diff options
Diffstat (limited to 'erts/emulator')
-rw-r--r-- | erts/emulator/beam/beam_debug.c | 102 | ||||
-rw-r--r-- | erts/emulator/beam/beam_emu.c | 1599 | ||||
-rw-r--r-- | erts/emulator/beam/beam_load.c | 151 | ||||
-rw-r--r-- | erts/emulator/beam/beam_load.h | 1 | ||||
-rw-r--r-- | erts/emulator/beam/erl_term.c | 6 | ||||
-rw-r--r-- | erts/emulator/beam/erl_term.h | 52 | ||||
-rw-r--r-- | erts/emulator/beam/erl_vm.h | 1 | ||||
-rw-r--r-- | erts/emulator/beam/ops.tab | 863 | ||||
-rwxr-xr-x | erts/emulator/utils/beam_makeops | 85 |
9 files changed, 1207 insertions, 1653 deletions
diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c index 8a35ad17c6..ea1f2cd012 100644 --- a/erts/emulator/beam/beam_debug.c +++ b/erts/emulator/beam/beam_debug.c @@ -432,39 +432,33 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr) while (*sign) { switch (*sign) { case 'r': /* x(0) */ - erts_print(to, to_arg, "x(0)"); + erts_print(to, to_arg, "r(0)"); break; case 'x': /* x(N) */ - if (reg_index(ap[0]) == 0) { - erts_print(to, to_arg, "x[0]"); - } else { - erts_print(to, to_arg, "x(%d)", reg_index(ap[0])); + { + Uint n = ap[0] / sizeof(Eterm); + erts_print(to, to_arg, "x(%d)", n); + ap++; } - ap++; break; case 'y': /* y(N) */ - erts_print(to, to_arg, "y(%d)", reg_index(ap[0]) - CP_SIZE); - ap++; + { + Uint n = ap[0] / sizeof(Eterm) - CP_SIZE; + erts_print(to, to_arg, "y(%d)", n); + ap++; + } break; case 'n': /* Nil */ erts_print(to, to_arg, "[]"); break; case 's': /* Any source (tagged constant or register) */ - tag = beam_reg_tag(*ap); - if (tag == X_REG_DEF) { - if (reg_index(*ap) == 0) { - erts_print(to, to_arg, "x[0]"); - } else { - erts_print(to, to_arg, "x(%d)", reg_index(*ap)); - } + tag = loader_tag(*ap); + if (tag == LOADER_X_REG) { + erts_print(to, to_arg, "x(%d)", loader_x_reg_index(*ap)); ap++; break; - } else if (tag == Y_REG_DEF) { - erts_print(to, to_arg, "y(%d)", reg_index(*ap) - CP_SIZE); - ap++; - break; - } else if (tag == R_REG_DEF) { - erts_print(to, to_arg, "x(0)"); + } else if (tag == LOADER_Y_REG) { + erts_print(to, to_arg, "y(%d)", loader_y_reg_index(*ap) - CP_SIZE); ap++; break; } @@ -481,20 +475,12 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr) ap++; break; case 'd': /* Destination (x(0), x(N), y(N)) */ - switch (beam_reg_tag(*ap)) { - case X_REG_DEF: - if (reg_index(*ap) == 0) { - erts_print(to, to_arg, "x[0]"); - } else { - erts_print(to, to_arg, "x(%d)", reg_index(*ap)); - } - break; - case Y_REG_DEF: - erts_print(to, to_arg, "y(%d)", reg_index(*ap) - CP_SIZE); - break; - case R_REG_DEF: - erts_print(to, to_arg, "x(0)"); - break; + if (*ap & 1) { + erts_print(to, to_arg, "y(%d)", + *ap / sizeof(Eterm) - CP_SIZE); + } else { + erts_print(to, to_arg, "x(%d)", + *ap / sizeof(Eterm)); } ap++; break; @@ -561,7 +547,7 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr) ap++; break; case 'l': /* fr(N) */ - erts_print(to, to_arg, "fr(%d)", reg_index(ap[0])); + erts_print(to, to_arg, "fr(%d)", loader_reg_index(ap[0])); ap++; break; default: @@ -580,7 +566,6 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr) unpacked = ap; ap = addr + size; switch (op) { - case op_i_select_val_lins_rfI: case op_i_select_val_lins_xfI: case op_i_select_val_lins_yfI: { @@ -600,7 +585,6 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr) } } break; - case op_i_select_val_bins_rfI: case op_i_select_val_bins_xfI: case op_i_select_val_bins_yfI: { @@ -614,7 +598,6 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr) } } break; - case op_i_select_tuple_arity_rfI: case op_i_select_tuple_arity_xfI: case op_i_select_tuple_arity_yfI: { @@ -639,7 +622,6 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr) } } break; - case op_i_jump_on_val_rfII: case op_i_jump_on_val_xfII: case op_i_jump_on_val_yfII: { @@ -651,7 +633,6 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr) } } break; - case op_i_jump_on_val_zero_rfI: case op_i_jump_on_val_zero_xfI: case op_i_jump_on_val_zero_yfI: { @@ -663,7 +644,6 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr) } } break; - case op_i_put_tuple_rI: case op_i_put_tuple_xI: case op_i_put_tuple_yI: case op_new_map_dII: @@ -673,20 +653,16 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr) int n = unpacked[-1]; while (n > 0) { - if (!is_header(ap[0])) { + switch (loader_tag(ap[0])) { + case LOADER_X_REG: + erts_print(to, to_arg, " x(%d)", loader_x_reg_index(ap[0])); + break; + case LOADER_Y_REG: + erts_print(to, to_arg, " x(%d)", loader_y_reg_index(ap[0])); + break; + default: erts_print(to, to_arg, " %T", (Eterm) ap[0]); - } else { - switch ((ap[0] >> 2) & 0x03) { - case R_REG_DEF: - erts_print(to, to_arg, " x(0)"); - break; - case X_REG_DEF: - erts_print(to, to_arg, " x(%d)", ap[0] >> 4); - break; - case Y_REG_DEF: - erts_print(to, to_arg, " y(%d)", ap[0] >> 4); - break; - } + break; } ap++, size++, n--; } @@ -699,18 +675,16 @@ print_op(int to, void *to_arg, int op, int size, BeamInstr* addr) while (n > 0) { if (n % 3 == 1) { erts_print(to, to_arg, " %X", ap[0]); - } else if (!is_header(ap[0])) { - erts_print(to, to_arg, " %T", (Eterm) ap[0]); } else { - switch ((ap[0] >> 2) & 0x03) { - case R_REG_DEF: - erts_print(to, to_arg, " x(0)"); + switch (loader_tag(ap[0])) { + case LOADER_X_REG: + erts_print(to, to_arg, " x(%d)", loader_x_reg_index(ap[0])); break; - case X_REG_DEF: - erts_print(to, to_arg, " x(%d)", ap[0] >> 4); + case LOADER_Y_REG: + erts_print(to, to_arg, " y(%d)", loader_y_reg_index(ap[0])); break; - case Y_REG_DEF: - erts_print(to, to_arg, " y(%d)", ap[0] >> 4); + default: + erts_print(to, to_arg, " %T", (Eterm) ap[0]); break; } } diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index 806b31654c..a296713a0a 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -99,10 +99,7 @@ do { \ do { \ int i_; \ int Arity_ = PC[-1]; \ - if (Arity_ > 0) { \ - CHECK_TERM(r(0)); \ - } \ - for (i_ = 1; i_ < Arity_; i_++) { \ + for (i_ = 0; i_ < Arity_; i_++) { \ CHECK_TERM(x(i_)); \ } \ } while (0) @@ -151,25 +148,21 @@ do { \ ASSERT(VALID_INSTR(* (Eterm *)(ip))); \ I = (ip) -#define FetchArgs(S1, S2) tmp_arg1 = (S1); tmp_arg2 = (S2) +/* + * Register target (X or Y register). + */ +#define REG_TARGET(Target) (*(((Target) & 1) ? &yb(Target-1) : &xb(Target))) /* * Store a result into a register given a destination descriptor. */ -#define StoreResult(Result, DestDesc) \ - do { \ - Eterm stb_reg; \ - stb_reg = (DestDesc); \ - CHECK_TERM(Result); \ - switch (beam_reg_tag(stb_reg)) { \ - case R_REG_DEF: \ - r(0) = (Result); break; \ - case X_REG_DEF: \ - xb(x_reg_offset(stb_reg)) = (Result); break; \ - default: \ - yb(y_reg_offset(stb_reg)) = (Result); break; \ - } \ +#define StoreResult(Result, DestDesc) \ + do { \ + Eterm stb_reg; \ + stb_reg = (DestDesc); \ + CHECK_TERM(Result); \ + REG_TARGET(stb_reg) = (Result); \ } while (0) #define StoreSimpleDest(Src, Dest) Dest = (Src) @@ -180,22 +173,16 @@ do { \ * be just before the next instruction. */ -#define StoreBifResult(Dst, Result) \ - do { \ - BeamInstr* stb_next; \ - Eterm stb_reg; \ - stb_reg = Arg(Dst); \ - I += (Dst) + 2; \ - stb_next = (BeamInstr *) *I; \ - CHECK_TERM(Result); \ - switch (beam_reg_tag(stb_reg)) { \ - case R_REG_DEF: \ - r(0) = (Result); Goto(stb_next); \ - case X_REG_DEF: \ - xb(x_reg_offset(stb_reg)) = (Result); Goto(stb_next); \ - default: \ - yb(y_reg_offset(stb_reg)) = (Result); Goto(stb_next); \ - } \ +#define StoreBifResult(Dst, Result) \ + do { \ + BeamInstr* stb_next; \ + Eterm stb_reg; \ + stb_reg = Arg(Dst); \ + I += (Dst) + 2; \ + stb_next = (BeamInstr *) *I; \ + CHECK_TERM(Result); \ + REG_TARGET(stb_reg) = (Result); \ + Goto(stb_next); \ } while (0) #define ClauseFail() goto jump_f @@ -293,7 +280,7 @@ void** beam_ops; #define Ib(N) (N) #define x(N) reg[N] #define y(N) E[N] -#define r(N) x##N +#define r(N) x(N) /* * Makes sure that there are StackNeed + HeapNeed + 1 words available @@ -309,12 +296,10 @@ void** beam_ops; needed = (StackNeed) + 1; \ if (E - HTOP < (needed + (HeapNeed))) { \ SWAPOUT; \ - reg[0] = r(0); \ PROCESS_MAIN_CHK_LOCKS(c_p); \ FCALLS -= erts_garbage_collect(c_p, needed + (HeapNeed), reg, (M)); \ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p); \ PROCESS_MAIN_CHK_LOCKS(c_p); \ - r(0) = reg[0]; \ SWAPIN; \ } \ E -= needed; \ @@ -363,12 +348,10 @@ void** beam_ops; unsigned need = (Nh); \ if ((E - HTOP < need) || (MSO(c_p).overhead + (VNh) >= BIN_VHEAP_SZ(c_p))) {\ SWAPOUT; \ - reg[0] = r(0); \ PROCESS_MAIN_CHK_LOCKS(c_p); \ FCALLS -= erts_garbage_collect(c_p, need, reg, (Live)); \ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p); \ PROCESS_MAIN_CHK_LOCKS(c_p); \ - r(0) = reg[0]; \ SWAPIN; \ } \ HEAP_SPACE_VERIFIED(need); \ @@ -386,12 +369,10 @@ void** beam_ops; unsigned need = (Nh); \ if (E - HTOP < need) { \ SWAPOUT; \ - reg[0] = r(0); \ PROCESS_MAIN_CHK_LOCKS(c_p); \ FCALLS -= erts_garbage_collect(c_p, need, reg, (Live)); \ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p); \ PROCESS_MAIN_CHK_LOCKS(c_p); \ - r(0) = reg[0]; \ SWAPIN; \ } \ HEAP_SPACE_VERIFIED(need); \ @@ -408,15 +389,11 @@ void** beam_ops; unsigned need = (Nh); \ if (E - HTOP < need) { \ SWAPOUT; \ - reg[0] = r(0); \ reg[Live] = Extra; \ PROCESS_MAIN_CHK_LOCKS(c_p); \ FCALLS -= erts_garbage_collect(c_p, need, reg, (Live)+1); \ ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p); \ PROCESS_MAIN_CHK_LOCKS(c_p); \ - if (Live > 0) { \ - r(0) = reg[0]; \ - } \ Extra = reg[Live]; \ SWAPIN; \ } \ @@ -439,7 +416,6 @@ void** beam_ops; #define MakeFun(FunP, NumFree) \ do { \ SWAPOUT; \ - reg[0] = r(0); \ r(0) = new_fun(c_p, reg, (ErlFunEntry *) FunP, NumFree); \ SWAPIN; \ } while (0) @@ -531,15 +507,19 @@ void** beam_ops; ASSERT(VALID_INSTR(Dst)); \ Goto(Dst) -#define GetR(pos, tr) \ - do { \ - tr = Arg(pos); \ - switch (beam_reg_tag(tr)) { \ - case R_REG_DEF: tr = r(0); break; \ - case X_REG_DEF: tr = xb(x_reg_offset(tr)); break; \ - case Y_REG_DEF: ASSERT(y_reg_offset(tr) >= 1); tr = yb(y_reg_offset(tr)); break; \ - } \ - CHECK_TERM(tr); \ +#define GetR(pos, tr) \ + do { \ + tr = Arg(pos); \ + switch (loader_tag(tr)) { \ + case LOADER_X_REG: \ + tr = x(loader_x_reg_index(tr)); \ + break; \ + case LOADER_Y_REG: \ + ASSERT(loader_y_reg_index(tr) >= 1); \ + tr = y(loader_y_reg_index(tr)); \ + break; \ + } \ + CHECK_TERM(tr); \ } while (0) #define GetArg1(N, Dst) GetR((N), Dst) @@ -557,24 +537,93 @@ void** beam_ops; HTOP += 2; \ } while (0) +#define Swap(R1, R2) \ + do { \ + Eterm V = R1; \ + R1 = R2; \ + R2 = V; \ + } while (0) + +#define SwapTemp(R1, R2, Tmp) \ + do { \ + Eterm V = R1; \ + R1 = R2; \ + R2 = Tmp = V; \ + } while (0) + #define Move(Src, Dst, Store) \ do { \ Eterm term = (Src); \ Store(term, Dst); \ } while (0) -#define Move2(S1, D1, S2, D2) D1 = (S1); D2 = (S2) +#define Move2Par(S1, D1, S2, D2) \ + do { \ + Eterm V1, V2; \ + V1 = (S1); V2 = (S2); D1 = V1; D2 = V2; \ + } while (0) + +#define MoveShift(Src, SD, D) \ + do { \ + Eterm V; \ + V = Src; D = SD; SD = V; \ + } while (0) + +#define MoveDup(Src, D1, D2) \ + do { \ + D1 = D2 = (Src); \ + } while (0) + #define Move3(S1, D1, S2, D2, S3, D3) D1 = (S1); D2 = (S2); D3 = (S3) -#define MoveGenDest(src, dstp) \ - if ((dstp) == NULL) { r(0) = (src); } else { *(dstp) = src; } +#define MoveWindow3(S1, S2, S3, D) \ + do { \ + Eterm xt0, xt1, xt2; \ + Eterm *y = &D; \ + xt0 = S1; \ + xt1 = S2; \ + xt2 = S3; \ + y[0] = xt0; \ + y[1] = xt1; \ + y[2] = xt2; \ + } while (0) + +#define MoveWindow4(S1, S2, S3, S4, D) \ + do { \ + Eterm xt0, xt1, xt2, xt3; \ + Eterm *y = &D; \ + xt0 = S1; \ + xt1 = S2; \ + xt2 = S3; \ + xt3 = S4; \ + y[0] = xt0; \ + y[1] = xt1; \ + y[2] = xt2; \ + y[3] = xt3; \ + } while (0) -#define MoveReturn(Src, Dest) \ - (Dest) = (Src); \ - I = c_p->cp; \ - ASSERT(VALID_INSTR(*c_p->cp)); \ - c_p->cp = 0; \ - CHECK_TERM(r(0)); \ +#define MoveWindow5(S1, S2, S3, S4, S5, D) \ + do { \ + Eterm xt0, xt1, xt2, xt3, xt4; \ + Eterm *y = &D; \ + xt0 = S1; \ + xt1 = S2; \ + xt2 = S3; \ + xt3 = S4; \ + xt4 = S5; \ + y[0] = xt0; \ + y[1] = xt1; \ + y[2] = xt2; \ + y[3] = xt3; \ + y[4] = xt4; \ + } while (0) + +#define MoveReturn(Src) \ + x(0) = (Src); \ + I = c_p->cp; \ + ASSERT(VALID_INSTR(*c_p->cp)); \ + c_p->cp = 0; \ + CHECK_TERM(r(0)); \ Goto(*I) #define DeallocateReturn(Deallocate) \ @@ -586,26 +635,26 @@ void** beam_ops; Goto(*I); \ } while (0) -#define MoveDeallocateReturn(Src, Dest, Deallocate) \ - (Dest) = (Src); \ +#define MoveDeallocateReturn(Src, Deallocate) \ + x(0) = (Src); \ DeallocateReturn(Deallocate) -#define MoveCall(Src, Dest, CallDest, Size) \ - (Dest) = (Src); \ +#define MoveCall(Src, CallDest, Size) \ + x(0) = (Src); \ SET_CP(c_p, I+Size+1); \ - SET_I((BeamInstr *) CallDest); \ + SET_I((BeamInstr *) CallDest); \ Dispatch(); -#define MoveCallLast(Src, Dest, CallDest, Deallocate) \ - (Dest) = (Src); \ - RESTORE_CP(E); \ - E = ADD_BYTE_OFFSET(E, (Deallocate)); \ - SET_I((BeamInstr *) CallDest); \ +#define MoveCallLast(Src, CallDest, Deallocate) \ + x(0) = (Src); \ + RESTORE_CP(E); \ + E = ADD_BYTE_OFFSET(E, (Deallocate)); \ + SET_I((BeamInstr *) CallDest); \ Dispatch(); -#define MoveCallOnly(Src, Dest, CallDest) \ - (Dest) = (Src); \ - SET_I((BeamInstr *) CallDest); \ +#define MoveCallOnly(Src, CallDest) \ + x(0) = (Src); \ + SET_I((BeamInstr *) CallDest); \ Dispatch(); #define MoveJump(Src) \ @@ -613,57 +662,56 @@ void** beam_ops; SET_I((BeamInstr *) Arg(0)); \ Goto(*I); -#define GetList(Src, H, T) do { \ - Eterm* tmp_ptr = list_val(Src); \ - H = CAR(tmp_ptr); \ - T = CDR(tmp_ptr); } while (0) - -#define GetTupleElement(Src, Element, Dest) \ - do { \ - tmp_arg1 = (Eterm) (((unsigned char *) tuple_val(Src)) + (Element));\ - (Dest) = (*(Eterm *) tmp_arg1); \ - } while (0) - -#define ExtractNextElement(Dest) \ - tmp_arg1 += sizeof(Eterm); \ - (Dest) = (* (Eterm *) (((unsigned char *) tmp_arg1))) - -#define ExtractNextElement2(Dest) \ - do { \ - Eterm* ene_dstp = &(Dest); \ - ene_dstp[0] = ((Eterm *) tmp_arg1)[1]; \ - ene_dstp[1] = ((Eterm *) tmp_arg1)[2]; \ - tmp_arg1 += sizeof(Eterm) + sizeof(Eterm); \ +#define GetList(Src, H, T) \ + do { \ + Eterm* tmp_ptr = list_val(Src); \ + Eterm hd, tl; \ + hd = CAR(tmp_ptr); \ + tl = CDR(tmp_ptr); \ + H = hd; T = tl; \ } while (0) -#define ExtractNextElement3(Dest) \ - do { \ - Eterm* ene_dstp = &(Dest); \ - ene_dstp[0] = ((Eterm *) tmp_arg1)[1]; \ - ene_dstp[1] = ((Eterm *) tmp_arg1)[2]; \ - ene_dstp[2] = ((Eterm *) tmp_arg1)[3]; \ - tmp_arg1 += 3*sizeof(Eterm); \ +#define GetTupleElement(Src, Element, Dest) \ + do { \ + Eterm* src; \ + src = ADD_BYTE_OFFSET(tuple_val(Src), (Element)); \ + (Dest) = *src; \ } while (0) -#define ExtractNextElement4(Dest) \ - do { \ - Eterm* ene_dstp = &(Dest); \ - ene_dstp[0] = ((Eterm *) tmp_arg1)[1]; \ - ene_dstp[1] = ((Eterm *) tmp_arg1)[2]; \ - ene_dstp[2] = ((Eterm *) tmp_arg1)[3]; \ - ene_dstp[3] = ((Eterm *) tmp_arg1)[4]; \ - tmp_arg1 += 4*sizeof(Eterm); \ +#define GetTupleElement2(Src, Element, Dest) \ + do { \ + Eterm* src; \ + Eterm* dst; \ + Eterm E1, E2; \ + src = ADD_BYTE_OFFSET(tuple_val(Src), (Element)); \ + dst = &(Dest); \ + E1 = src[0]; \ + E2 = src[1]; \ + dst[0] = E1; \ + dst[1] = E2; \ } while (0) -#define ExtractElement(Element, Dest) \ - do { \ - tmp_arg1 += (Element); \ - (Dest) = (* (Eterm *) tmp_arg1); \ +#define GetTupleElement3(Src, Element, Dest) \ + do { \ + Eterm* src; \ + Eterm* dst; \ + Eterm E1, E2, E3; \ + src = ADD_BYTE_OFFSET(tuple_val(Src), (Element)); \ + dst = &(Dest); \ + E1 = src[0]; \ + E2 = src[1]; \ + E3 = src[2]; \ + dst[0] = E1; \ + dst[1] = E2; \ + dst[2] = E3; \ } while (0) #define EqualImmed(X, Y, Action) if (X != Y) { Action; } #define NotEqualImmed(X, Y, Action) if (X == Y) { Action; } #define EqualExact(X, Y, Action) if (!EQ(X,Y)) { Action; } +#define NotEqualExact(X, Y, Action) if (EQ(X,Y)) { Action; } +#define Equal(X, Y, Action) if (!CMP_EQ(X,Y)) { Action; } +#define NotEqual(X, Y, Action) if (!CMP_NE(X,Y)) { Action; } #define IsLessThan(X, Y, Action) if (CMP_GE(X, Y)) { Action; } #define IsGreaterEqual(X, Y, Action) if (CMP_LT(X, Y)) { Action; } @@ -689,17 +737,26 @@ void** beam_ops; if (is_not_list(Src)) { Fail; } \ A(Need, Alive) -#define IsNonemptyListTestHeap(Src, Need, Alive, Fail) \ - if (is_not_list(Src)) { Fail; } \ +#define IsNonemptyListTestHeap(Need, Alive, Fail) \ + if (is_not_list(x(0))) { Fail; } \ TestHeap(Need, Alive) +#define IsNonemptyListGetList(Src, H, T, Fail) \ + if (is_not_list(Src)) { \ + Fail; \ + } else { \ + Eterm* tmp_ptr = list_val(Src); \ + Eterm hd, tl; \ + hd = CAR(tmp_ptr); \ + tl = CDR(tmp_ptr); \ + H = hd; T = tl; \ + } + #define IsTuple(X, Action) if (is_not_tuple(X)) Action -#define IsArity(Pointer, Arity, Fail) \ - if (*(Eterm *) \ - (tmp_arg1 = (Eterm) (tuple_val(Pointer))) != (Arity)) \ - { \ - Fail; \ +#define IsArity(Pointer, Arity, Fail) \ + if (*tuple_val(Pointer) != (Arity)) { \ + Fail; \ } #define IsMap(Src, Fail) if (!is_map(Src)) { Fail; } @@ -736,14 +793,21 @@ void** beam_ops; } \ } while (0) -#define IsTupleOfArity(Src, Arity, Fail) \ - do { \ - if (is_not_tuple(Src) || \ - *(Eterm *) \ - (tmp_arg1 = (Eterm) (tuple_val(Src))) != Arity) { \ - Fail; \ - } \ +#ifdef DEBUG +#define IsTupleOfArity(Src, Arityval, Fail) \ + do { \ + if (!(is_tuple(Src) && *tuple_val(Src) == Arityval)) { \ + Fail; \ + } \ + } while (0) +#else +#define IsTupleOfArity(Src, Arityval, Fail) \ + do { \ + if (!(is_boxed(Src) && *tuple_val(Src) == Arityval)) { \ + Fail; \ + } \ } while (0) +#endif #define IsBoolean(X, Fail) if ((X) != am_true && (X) != am_false) { Fail; } @@ -770,6 +834,7 @@ void** beam_ops; #define BsGetFieldSize(Bits, Unit, Fail, Target) \ do { \ Sint _signed_size; Uint _uint_size; \ + Uint temp_bits; \ if (is_small(Bits)) { \ _signed_size = signed_val(Bits); \ if (_signed_size < 0) { Fail; } \ @@ -784,6 +849,7 @@ void** beam_ops; #define BsGetUncheckedFieldSize(Bits, Unit, Fail, Target) \ do { \ Sint _signed_size; Uint _uint_size; \ + Uint temp_bits; \ if (is_small(Bits)) { \ _signed_size = signed_val(Bits); \ if (_signed_size < 0) { Fail; } \ @@ -995,23 +1061,17 @@ init_emulator(void) */ #if defined(__GNUC__) && defined(sparc) && !defined(DEBUG) -# define REG_x0 asm("%l0") # define REG_xregs asm("%l1") # define REG_htop asm("%l2") # define REG_stop asm("%l3") # define REG_I asm("%l4") # define REG_fcalls asm("%l5") -# define REG_tmp_arg1 asm("%l6") -# define REG_tmp_arg2 asm("%l7") #else -# define REG_x0 # define REG_xregs # define REG_htop # define REG_stop # define REG_I # define REG_fcalls -# define REG_tmp_arg1 -# define REG_tmp_arg2 #endif #ifdef USE_VM_PROBES @@ -1129,11 +1189,6 @@ void process_main(void) ERTS_DECLARE_DUMMY(Eterm pid); #endif - /* - * X register zero; also called r(0) - */ - register Eterm x0 REG_x0 = NIL; - /* Pointer to X registers: x(1)..x(N); reg[0] is used when doing GC, * in all other cases x0 is used. */ @@ -1161,13 +1216,6 @@ void process_main(void) register Sint FCALLS REG_fcalls = 0; /* - * Temporaries used for picking up arguments for instructions. - */ - register Eterm tmp_arg1 REG_tmp_arg1 = NIL; - register Eterm tmp_arg2 REG_tmp_arg2 = NIL; - Eterm tmp_big[2]; - - /* * X registers and floating point registers are located in * scheduler specific data. */ @@ -1178,8 +1226,6 @@ void process_main(void) */ int neg_o_reds = 0; - Eterm (*arith_func)(Process* p, Eterm* reg, Uint live); - #ifdef ERTS_OPCODE_COUNTER_SUPPORT static void* counting_opcodes[] = { DEFINE_COUNTING_OPCODES }; #else @@ -1190,8 +1236,6 @@ void process_main(void) #endif #endif - Uint temp_bits; /* Temporary used by BsSkipBits2 & BsGetInteger2 */ - Eterm pt_arity; /* Used by do_put_tuple */ Uint64 start_time = 0; /* Monitor long schedule */ @@ -1265,7 +1309,7 @@ void process_main(void) int i; argp = c_p->arg_reg; - for (i = c_p->arity - 1; i > 0; i--) { + for (i = c_p->arity - 1; i >= 0; i--) { reg[i] = argp[i]; CHECK_TERM(reg[i]); } @@ -1289,12 +1333,6 @@ void process_main(void) } next = (BeamInstr *) *I; - r(0) = c_p->arg_reg[0]; -#ifdef HARDDEBUG - if (c_p->arity > 0) { - CHECK_TERM(r(0)); - } -#endif SWAPIN; ASSERT(VALID_INSTR(next)); @@ -1333,26 +1371,24 @@ void process_main(void) #endif #include "beam_hot.h" -#define STORE_ARITH_RESULT(res) StoreBifResult(2, (res)); -#define ARITH_FUNC(name) erts_gc_##name - { Eterm increment_reg_val; Eterm increment_val; Uint live; Eterm result; - OpCase(i_increment_yIId): - increment_reg_val = yb(Arg(0)); + OpCase(i_increment_rIId): + increment_reg_val = x(0); + I--; goto do_increment; OpCase(i_increment_xIId): increment_reg_val = xb(Arg(0)); goto do_increment; - OpCase(i_increment_rIId): - increment_reg_val = r(0); - I--; + OpCase(i_increment_yIId): + increment_reg_val = yb(Arg(0)); + goto do_increment; do_increment: increment_val = Arg(1); @@ -1361,229 +1397,133 @@ void process_main(void) ASSERT(MY_IS_SSMALL(i) == IS_SSMALL(i)); if (MY_IS_SSMALL(i)) { result = make_small(i); - store_result: StoreBifResult(3, result); } } live = Arg(2); SWAPOUT; - reg[0] = r(0); reg[live] = increment_reg_val; reg[live+1] = make_small(increment_val); result = erts_gc_mixed_plus(c_p, reg, live); - r(0) = reg[0]; SWAPIN; ERTS_HOLE_CHECK(c_p); if (is_value(result)) { - goto store_result; + StoreBifResult(3, result); } ASSERT(c_p->freason != BADMATCH || is_value(c_p->fvalue)); goto find_func_info; } -#define DO_BIG_ARITH(Func,Arg1,Arg2) \ - do { \ - Uint live = Arg(1); \ - SWAPOUT; \ - reg[0] = r(0); \ - reg[live] = (Arg1); \ - reg[live+1] = (Arg2); \ - result = (Func)(c_p, reg, live); \ - r(0) = reg[0]; \ - SWAPIN; \ - ERTS_HOLE_CHECK(c_p); \ - if (is_value(result)) { \ - StoreBifResult(4,result); \ - } \ - goto lb_Cl_error; \ - } while(0) +#define DO_OUTLINED_ARITH_2(name, Op1, Op2) \ + do { \ + Eterm result; \ + Uint live = Arg(1); \ + \ + SWAPOUT; \ + reg[live] = Op1; \ + reg[live+1] = Op2; \ + result = erts_gc_##name(c_p, reg, live); \ + SWAPIN; \ + ERTS_HOLE_CHECK(c_p); \ + if (is_value(result)) { \ + StoreBifResult(4, result); \ + } \ + goto lb_Cl_error; \ + } while (0) - OpCase(i_plus_jIxxd): { + Eterm PlusOp1, PlusOp2; Eterm result; - if (is_both_small(xb(Arg(2)), xb(Arg(3)))) { - Sint i = signed_val(xb(Arg(2))) + signed_val(xb(Arg(3))); + OpCase(i_plus_jIxxd): + PlusOp1 = xb(Arg(2)); + PlusOp2 = xb(Arg(3)); + goto do_plus; + + OpCase(i_plus_jIxyd): + PlusOp1 = xb(Arg(2)); + PlusOp2 = yb(Arg(3)); + goto do_plus; + + OpCase(i_plus_jIssd): + GetArg2(2, PlusOp1, PlusOp2); + goto do_plus; + + do_plus: + if (is_both_small(PlusOp1, PlusOp2)) { + Sint i = signed_val(PlusOp1) + signed_val(PlusOp2); ASSERT(MY_IS_SSMALL(i) == IS_SSMALL(i)); if (MY_IS_SSMALL(i)) { result = make_small(i); StoreBifResult(4, result); } } - DO_BIG_ARITH(ARITH_FUNC(mixed_plus), xb(Arg(2)), xb(Arg(3))); + DO_OUTLINED_ARITH_2(mixed_plus, PlusOp1, PlusOp2); } - OpCase(i_plus_jId): { + Eterm MinusOp1, MinusOp2; Eterm result; - if (is_both_small(tmp_arg1, tmp_arg2)) { - Sint i = signed_val(tmp_arg1) + signed_val(tmp_arg2); - ASSERT(MY_IS_SSMALL(i) == IS_SSMALL(i)); - if (MY_IS_SSMALL(i)) { - result = make_small(i); - STORE_ARITH_RESULT(result); - } - } - arith_func = ARITH_FUNC(mixed_plus); - goto do_big_arith2; - } - OpCase(i_minus_jIxxd): - { - Eterm result; - - if (is_both_small(xb(Arg(2)), xb(Arg(3)))) { - Sint i = signed_val(xb(Arg(2))) - signed_val(xb(Arg(3))); - ASSERT(MY_IS_SSMALL(i) == IS_SSMALL(i)); - if (MY_IS_SSMALL(i)) { - result = make_small(i); - StoreBifResult(4, result); - } - } - DO_BIG_ARITH(ARITH_FUNC(mixed_minus), xb(Arg(2)), xb(Arg(3))); - } + MinusOp1 = xb(Arg(2)); + MinusOp2 = xb(Arg(3)); + goto do_minus; - OpCase(i_minus_jId): - { - Eterm result; + OpCase(i_minus_jIssd): + GetArg2(2, MinusOp1, MinusOp2); + goto do_minus; - if (is_both_small(tmp_arg1, tmp_arg2)) { - Sint i = signed_val(tmp_arg1) - signed_val(tmp_arg2); + do_minus: + if (is_both_small(MinusOp1, MinusOp2)) { + Sint i = signed_val(MinusOp1) - signed_val(MinusOp2); ASSERT(MY_IS_SSMALL(i) == IS_SSMALL(i)); if (MY_IS_SSMALL(i)) { result = make_small(i); - STORE_ARITH_RESULT(result); + StoreBifResult(4, result); } } - arith_func = ARITH_FUNC(mixed_minus); - goto do_big_arith2; + DO_OUTLINED_ARITH_2(mixed_minus, MinusOp1, MinusOp2); } - OpCase(i_is_lt_f): - if (CMP_GE(tmp_arg1, tmp_arg2)) { - ClauseFail(); - } - Next(1); - - OpCase(i_is_ge_f): - if (CMP_LT(tmp_arg1, tmp_arg2)) { - ClauseFail(); - } - Next(1); - - OpCase(i_is_eq_f): - if (CMP_NE(tmp_arg1, tmp_arg2)) { - ClauseFail(); - } - Next(1); - - OpCase(i_is_ne_f): - if (CMP_EQ(tmp_arg1, tmp_arg2)) { - ClauseFail(); - } - Next(1); - - OpCase(i_is_eq_exact_f): - if (!EQ(tmp_arg1, tmp_arg2)) { - ClauseFail(); - } - Next(1); - { Eterm is_eq_exact_lit_val; - OpCase(i_is_eq_exact_literal_xfc): - is_eq_exact_lit_val = xb(Arg(0)); - I++; + OpCase(i_is_eq_exact_literal_fxc): + is_eq_exact_lit_val = xb(Arg(1)); goto do_is_eq_exact_literal; - OpCase(i_is_eq_exact_literal_yfc): - is_eq_exact_lit_val = yb(Arg(0)); - I++; + OpCase(i_is_eq_exact_literal_fyc): + is_eq_exact_lit_val = yb(Arg(1)); goto do_is_eq_exact_literal; - OpCase(i_is_eq_exact_literal_rfc): - is_eq_exact_lit_val = r(0); - do_is_eq_exact_literal: - if (!eq(Arg(1), is_eq_exact_lit_val)) { + if (!eq(Arg(2), is_eq_exact_lit_val)) { ClauseFail(); } - Next(2); + Next(3); } { Eterm is_ne_exact_lit_val; - OpCase(i_is_ne_exact_literal_xfc): - is_ne_exact_lit_val = xb(Arg(0)); - I++; + OpCase(i_is_ne_exact_literal_fxc): + is_ne_exact_lit_val = xb(Arg(1)); goto do_is_ne_exact_literal; - OpCase(i_is_ne_exact_literal_yfc): - is_ne_exact_lit_val = yb(Arg(0)); - I++; + OpCase(i_is_ne_exact_literal_fyc): + is_ne_exact_lit_val = yb(Arg(1)); goto do_is_ne_exact_literal; - OpCase(i_is_ne_exact_literal_rfc): - is_ne_exact_lit_val = r(0); - do_is_ne_exact_literal: - if (eq(Arg(1), is_ne_exact_lit_val)) { + if (eq(Arg(2), is_ne_exact_lit_val)) { ClauseFail(); } - Next(2); + Next(3); } - OpCase(move_window3_xxxy): { - BeamInstr *next; - Eterm xt0, xt1, xt2; - Eterm *y = (Eterm *)(((unsigned char *)E) + (Arg(3))); - PreFetch(4, next); - xt0 = xb(Arg(0)); - xt1 = xb(Arg(1)); - xt2 = xb(Arg(2)); - y[0] = xt0; - y[1] = xt1; - y[2] = xt2; - NextPF(4, next); - } - OpCase(move_window4_xxxxy): { - BeamInstr *next; - Eterm xt0, xt1, xt2, xt3; - Eterm *y = (Eterm *)(((unsigned char *)E) + (Arg(4))); - PreFetch(5, next); - xt0 = xb(Arg(0)); - xt1 = xb(Arg(1)); - xt2 = xb(Arg(2)); - xt3 = xb(Arg(3)); - y[0] = xt0; - y[1] = xt1; - y[2] = xt2; - y[3] = xt3; - NextPF(5, next); - } - OpCase(move_window5_xxxxxy): { - BeamInstr *next; - Eterm xt0, xt1, xt2, xt3, xt4; - Eterm *y = (Eterm *)(((unsigned char *)E) + (Arg(5))); - PreFetch(6, next); - xt0 = xb(Arg(0)); - xt1 = xb(Arg(1)); - xt2 = xb(Arg(2)); - xt3 = xb(Arg(3)); - xt4 = xb(Arg(4)); - y[0] = xt0; - y[1] = xt1; - y[2] = xt2; - y[3] = xt3; - y[4] = xt4; - NextPF(6, next); - } - - OpCase(i_move_call_only_fcr): { + OpCase(i_move_call_only_fc): { r(0) = Arg(1); } /* FALL THROUGH */ @@ -1593,7 +1533,7 @@ void process_main(void) Dispatch(); } - OpCase(i_move_call_last_fPcr): { + OpCase(i_move_call_last_fPc): { r(0) = Arg(2); } /* FALL THROUGH */ @@ -1605,7 +1545,7 @@ void process_main(void) Dispatch(); } - OpCase(i_move_call_crf): { + OpCase(i_move_call_cf): { r(0) = Arg(0); I++; } @@ -1617,7 +1557,7 @@ void process_main(void) Dispatch(); } - OpCase(i_move_call_ext_last_ePcr): { + OpCase(i_move_call_ext_last_ePc): { r(0) = Arg(2); } /* FALL THROUGH */ @@ -1633,7 +1573,7 @@ void process_main(void) DTRACE_GLOBAL_CALL_FROM_EXPORT(c_p, Arg(0)); Dispatchx(); - OpCase(i_move_call_ext_cre): { + OpCase(i_move_call_ext_ce): { r(0) = Arg(0); I++; } @@ -1643,7 +1583,7 @@ void process_main(void) DTRACE_GLOBAL_CALL_FROM_EXPORT(c_p, Arg(0)); Dispatchx(); - OpCase(i_move_call_ext_only_ecr): { + OpCase(i_move_call_ext_only_ec): { r(0) = Arg(1); } /* FALL THROUGH */ @@ -1709,7 +1649,6 @@ void process_main(void) PRE_BIF_SWAPOUT(c_p); c_p->fcalls = FCALLS - 1; - reg[0] = r(0); result = erl_send(c_p, r(0), x(1)); PreFetch(0, next); ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p); @@ -1717,7 +1656,6 @@ void process_main(void) PROCESS_MAIN_CHK_LOCKS(c_p); if (c_p->mbuf || MSO(c_p).overhead >= BIN_VHEAP_SZ(c_p)) { result = erts_gc_after_bif_call(c_p, result, reg, 2); - r(0) = reg[0]; E = c_p->stop; } HTOP = HEAP_TOP(c_p); @@ -1730,7 +1668,6 @@ void process_main(void) SET_CP(c_p, I+1); SET_I(c_p->i); SWAPIN; - r(0) = reg[0]; Dispatch(); } goto find_func_info; @@ -1740,29 +1677,23 @@ void process_main(void) Eterm element_index; Eterm element_tuple; - OpCase(i_element_xjsd): - element_tuple = xb(Arg(0)); - I++; + OpCase(i_element_jxsd): + element_tuple = xb(Arg(1)); goto do_element; - OpCase(i_element_yjsd): - element_tuple = yb(Arg(0)); - I++; + OpCase(i_element_jysd): + element_tuple = yb(Arg(1)); goto do_element; - OpCase(i_element_rjsd): - element_tuple = r(0); - /* Fall through */ - do_element: - GetArg1(1, element_index); + GetArg1(2, element_index); if (is_small(element_index) && is_tuple(element_tuple)) { Eterm* tp = tuple_val(element_tuple); if ((signed_val(element_index) >= 1) && (signed_val(element_index) <= arityval(*tp))) { Eterm result = tp[signed_val(element_index)]; - StoreBifResult(2, result); + StoreBifResult(3, result); } } } @@ -1776,29 +1707,24 @@ void process_main(void) { Eterm fast_element_tuple; - OpCase(i_fast_element_rjId): - fast_element_tuple = r(0); + OpCase(i_fast_element_jxId): + fast_element_tuple = xb(Arg(1)); + goto do_fast_element; + + OpCase(i_fast_element_jyId): + fast_element_tuple = yb(Arg(1)); + goto do_fast_element; do_fast_element: if (is_tuple(fast_element_tuple)) { Eterm* tp = tuple_val(fast_element_tuple); - Eterm pos = Arg(1); /* Untagged integer >= 1 */ + Eterm pos = Arg(2); /* Untagged integer >= 1 */ if (pos <= arityval(*tp)) { Eterm result = tp[pos]; - StoreBifResult(2, result); + StoreBifResult(3, result); } } goto badarg; - - OpCase(i_fast_element_xjId): - fast_element_tuple = xb(Arg(0)); - I++; - goto do_fast_element; - - OpCase(i_fast_element_yjId): - fast_element_tuple = yb(Arg(0)); - I++; - goto do_fast_element; } OpCase(catch_yf): @@ -1904,7 +1830,7 @@ void process_main(void) * Pick up the next message and place it in x(0). * If no message, jump to a wait or wait_timeout instruction. */ - OpCase(i_loop_rec_fr): + OpCase(i_loop_rec_f): { BeamInstr *next; ErlMessage* msgp; @@ -1938,13 +1864,11 @@ void process_main(void) ErtsMoveMsgAttachmentIntoProc(msgp, c_p, E, HTOP, FCALLS, { SWAPOUT; - reg[0] = r(0); PROCESS_MAIN_CHK_LOCKS(c_p); }, { ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p); PROCESS_MAIN_CHK_LOCKS(c_p); - r(0) = reg[0]; SWAPIN; }); if (is_non_value(ERL_MESSAGE_TERM(msgp))) { @@ -2218,10 +2142,6 @@ void process_main(void) select_val2 = xb(Arg(0)); goto do_select_tuple_arity2; - OpCase(i_select_tuple_arity2_rfAAff): - select_val2 = r(0); - I--; - do_select_tuple_arity2: if (is_not_tuple(select_val2)) { goto select_val2_fail; @@ -2237,10 +2157,6 @@ void process_main(void) select_val2 = xb(Arg(0)); goto do_select_val2; - OpCase(i_select_val2_rfccff): - select_val2 = r(0); - I--; - do_select_val2: if (select_val2 == Arg(2)) { I += 3; @@ -2264,10 +2180,6 @@ void process_main(void) select_val = yb(Arg(0)); goto do_select_tuple_arity; - OpCase(i_select_tuple_arity_rfI): - select_val = r(0); - I--; - do_select_tuple_arity: if (is_tuple(select_val)) { select_val = *tuple_val(select_val); @@ -2284,10 +2196,6 @@ void process_main(void) select_val = yb(Arg(0)); goto do_linear_search; - OpCase(i_select_val_lins_rfI): - select_val = r(0); - I--; - do_linear_search: { BeamInstr *vs = &Arg(3); int ix = 0; @@ -2314,10 +2222,6 @@ void process_main(void) select_val = yb(Arg(0)); goto do_binary_search; - OpCase(i_select_val_bins_rfI): - select_val = r(0); - I--; - do_binary_search: { struct Pairs { @@ -2378,10 +2282,6 @@ void process_main(void) jump_on_val_zero_index = xb(Arg(0)); goto do_jump_on_val_zero_index; - OpCase(i_jump_on_val_zero_rfI): - jump_on_val_zero_index = r(0); - I--; - do_jump_on_val_zero_index: if (is_small(jump_on_val_zero_index)) { jump_on_val_zero_index = signed_val(jump_on_val_zero_index); @@ -2406,10 +2306,6 @@ void process_main(void) jump_on_val_index = xb(Arg(0)); goto do_jump_on_val_index; - OpCase(i_jump_on_val_rfII): - jump_on_val_index = r(0); - I--; - do_jump_on_val_index: if (is_small(jump_on_val_index)) { jump_on_val_index = (Uint) (signed_val(jump_on_val_index) - Arg(3)); @@ -2429,15 +2325,12 @@ void process_main(void) do { Eterm term = *I++; - switch (term & _TAG_IMMED1_MASK) { - case (R_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER: - *hp++ = r(0); + switch (loader_tag(term)) { + case LOADER_X_REG: + *hp++ = x(loader_x_reg_index(term)); break; - case (X_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER: - *hp++ = x(term >> _TAG_IMMED1_SIZE); - break; - case (Y_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER: - *hp++ = y(term >> _TAG_IMMED1_SIZE); + case LOADER_Y_REG: + *hp++ = y(loader_y_reg_index(term)); break; default: *hp++ = term; @@ -2451,31 +2344,26 @@ void process_main(void) OpCase(new_map_dII): { Eterm res; - x(0) = r(0); SWAPOUT; res = new_map(c_p, reg, I-1); SWAPIN; - r(0) = x(0); StoreResult(res, Arg(0)); Next(3+Arg(2)); } -#define PUT_TERM_REG(term, desc) \ -do { \ - switch ((desc) & _TAG_IMMED1_MASK) { \ - case (R_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER: \ - r(0) = (term); \ - break; \ - case (X_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER: \ - x((desc) >> _TAG_IMMED1_SIZE) = (term); \ - break; \ - case (Y_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER: \ - y((desc) >> _TAG_IMMED1_SIZE) = (term); \ - break; \ - default: \ - ASSERT(0); \ - break; \ - } \ +#define PUT_TERM_REG(term, desc) \ +do { \ + switch (loader_tag(desc)) { \ + case LOADER_X_REG: \ + x(loader_x_reg_index(desc)) = (term); \ + break; \ + case LOADER_Y_REG: \ + y(loader_y_reg_index(desc)) = (term); \ + break; \ + default: \ + ASSERT(0); \ + break; \ + } \ } while(0) OpCase(i_get_map_elements_fsI): { @@ -2546,12 +2434,10 @@ do { \ Eterm map; GetArg1(1, map); - x(0) = r(0); SWAPOUT; res = update_map_assoc(c_p, reg, map, I); SWAPIN; if (is_value(res)) { - r(0) = x(0); StoreResult(res, Arg(2)); Next(5+Arg(4)); } else { @@ -2570,12 +2456,10 @@ do { \ Eterm map; GetArg1(1, map); - x(0) = r(0); SWAPOUT; res = update_map_exact(c_p, reg, map, I); SWAPIN; if (is_value(res)) { - r(0) = x(0); StoreResult(res, Arg(2)); Next(5+Arg(4)); } else { @@ -2657,13 +2541,10 @@ do { \ { typedef Eterm (*GcBifFunction)(Process*, Eterm*, Uint); GcBifFunction bf; - Eterm arg; Eterm result; Uint live = (Uint) Arg(3); - GetArg1(2, arg); - reg[0] = r(0); - reg[live] = arg; + GetArg1(2, x(live)); bf = (GcBifFunction) Arg(1); c_p->fcalls = FCALLS; SWAPOUT; @@ -2674,7 +2555,6 @@ do { \ ERTS_SMP_REQ_PROC_MAIN_LOCK(c_p); PROCESS_MAIN_CHK_LOCKS(c_p); SWAPIN; - r(0) = reg[0]; ERTS_HOLE_CHECK(c_p); FCALLS = c_p->fcalls; if (is_value(result)) { @@ -2684,12 +2564,12 @@ do { \ SET_I((BeamInstr *) Arg(0)); Goto(*I); } - reg[0] = arg; + x(0) = x(live); I = handle_error(c_p, I, reg, translate_gc_bif((void *) bf)); goto post_error_handling; } - OpCase(i_gc_bif2_jIId): /* Note, one less parameter than the i_gc_bif1 + OpCase(i_gc_bif2_jIIssd): /* Note, one less parameter than the i_gc_bif1 and i_gc_bif3 */ { typedef Eterm (*GcBifFunction)(Process*, Eterm*, Uint); @@ -2697,9 +2577,13 @@ do { \ Eterm result; Uint live = (Uint) Arg(2); - reg[0] = r(0); - reg[live++] = tmp_arg1; - reg[live] = tmp_arg2; + GetArg2(3, x(live), x(live+1)); + /* + * XXX This calling convention does not make sense. 'live' + * should point out the first argument, not the second + * (i.e. 'live' should not be incremented below). + */ + live++; bf = (GcBifFunction) Arg(1); c_p->fcalls = FCALLS; SWAPOUT; @@ -2710,35 +2594,37 @@ do { \ ERTS_SMP_REQ_PROC_MAIN_LOCK(c_p); PROCESS_MAIN_CHK_LOCKS(c_p); SWAPIN; - r(0) = reg[0]; ERTS_HOLE_CHECK(c_p); FCALLS = c_p->fcalls; if (is_value(result)) { - StoreBifResult(3, result); + StoreBifResult(5, result); } if (Arg(0) != 0) { SET_I((BeamInstr *) Arg(0)); Goto(*I); } - reg[0] = tmp_arg1; - reg[1] = tmp_arg2; + live--; + x(0) = x(live); + x(1) = x(live+1); I = handle_error(c_p, I, reg, translate_gc_bif((void *) bf)); goto post_error_handling; } - OpCase(i_gc_bif3_jIsId): + OpCase(i_gc_bif3_jIIssd): { typedef Eterm (*GcBifFunction)(Process*, Eterm*, Uint); GcBifFunction bf; - Eterm arg; Eterm result; - Uint live = (Uint) Arg(3); + Uint live = (Uint) Arg(2); - GetArg1(2, arg); - reg[0] = r(0); - reg[live++] = arg; - reg[live++] = tmp_arg1; - reg[live] = tmp_arg2; + x(live) = x(SCRATCH_X_REG); + GetArg2(3, x(live+1), x(live+2)); + /* + * XXX This calling convention does not make sense. 'live' + * should point out the first argument, not the third + * (i.e. 'live' should not be incremented below). + */ + live += 2; bf = (GcBifFunction) Arg(1); c_p->fcalls = FCALLS; SWAPOUT; @@ -2749,19 +2635,19 @@ do { \ ERTS_SMP_REQ_PROC_MAIN_LOCK(c_p); PROCESS_MAIN_CHK_LOCKS(c_p); SWAPIN; - r(0) = reg[0]; ERTS_HOLE_CHECK(c_p); FCALLS = c_p->fcalls; if (is_value(result)) { - StoreBifResult(4, result); + StoreBifResult(5, result); } if (Arg(0) != 0) { SET_I((BeamInstr *) Arg(0)); Goto(*I); } - reg[0] = arg; - reg[1] = tmp_arg1; - reg[2] = tmp_arg2; + live -= 2; + x(0) = x(live); + x(1) = x(live+1); + x(2) = x(live+2); I = handle_error(c_p, I, reg, translate_gc_bif((void *) bf)); goto post_error_handling; } @@ -2769,12 +2655,13 @@ do { \ /* * Guards bifs and, or, xor in guards. */ - OpCase(i_bif2_fbd): + OpCase(i_bif2_fbssd): { - Eterm tmp_reg[2] = {tmp_arg1, tmp_arg2}; + Eterm tmp_reg[2]; Eterm (*bf)(Process*, Eterm*); Eterm result; + GetArg2(2, tmp_reg[0], tmp_reg[1]); bf = (BifFunction) Arg(1); c_p->fcalls = FCALLS; PROCESS_MAIN_CHK_LOCKS(c_p); @@ -2786,7 +2673,7 @@ do { \ ERTS_HOLE_CHECK(c_p); FCALLS = c_p->fcalls; if (is_value(result)) { - StoreBifResult(2, result); + StoreBifResult(4, result); } SET_I((BeamInstr *) Arg(0)); Goto(*I); @@ -2795,12 +2682,13 @@ do { \ /* * Guards bifs and, or, xor, relational operators in body. */ - OpCase(i_bif2_body_bd): + OpCase(i_bif2_body_bssd): { - Eterm tmp_reg[2] = {tmp_arg1, tmp_arg2}; + Eterm tmp_reg[2]; Eterm (*bf)(Process*, Eterm*); Eterm result; + GetArg2(1, tmp_reg[0], tmp_reg[1]); bf = (BifFunction) Arg(0); PROCESS_MAIN_CHK_LOCKS(c_p); ASSERT(!ERTS_PROC_IS_EXITING(c_p)); @@ -2811,10 +2699,10 @@ do { \ ERTS_HOLE_CHECK(c_p); if (is_value(result)) { ASSERT(!is_CP(result)); - StoreBifResult(1, result); + StoreBifResult(3, result); } - reg[0] = tmp_arg1; - reg[1] = tmp_arg2; + reg[0] = tmp_reg[0]; + reg[1] = tmp_reg[1]; SWAPOUT; I = handle_error(c_p, I, reg, bf); goto post_error_handling; @@ -2838,7 +2726,6 @@ do { \ PreFetch(1, next); ASSERT(!ERTS_PROC_IS_EXITING(c_p)); ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p); - reg[0] = r(0); result = (*bf)(c_p, reg, I); ASSERT(!ERTS_PROC_IS_EXITING(c_p) || is_non_value(result)); ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p); @@ -2860,7 +2747,6 @@ do { \ SET_CP(c_p, I+2); SET_I(c_p->i); SWAPIN; - r(0) = reg[0]; Dispatch(); } @@ -2876,111 +2762,81 @@ do { \ * Arithmetic operations. */ - OpCase(i_times_jId): + OpCase(i_times_jIssd): { - arith_func = ARITH_FUNC(mixed_times); - goto do_big_arith2; + Eterm Op1, Op2; + GetArg2(2, Op1, Op2); + DO_OUTLINED_ARITH_2(mixed_times, Op1, Op2); } - OpCase(i_m_div_jId): + OpCase(i_m_div_jIssd): { - arith_func = ARITH_FUNC(mixed_div); - goto do_big_arith2; + Eterm Op1, Op2; + GetArg2(2, Op1, Op2); + DO_OUTLINED_ARITH_2(mixed_div, Op1, Op2); } - OpCase(i_int_div_jId): + OpCase(i_int_div_jIssd): { - Eterm result; + Eterm Op1, Op2; - if (tmp_arg2 == SMALL_ZERO) { + GetArg2(2, Op1, Op2); + if (Op2 == SMALL_ZERO) { goto badarith; - } else if (is_both_small(tmp_arg1, tmp_arg2)) { - Sint ires = signed_val(tmp_arg1) / signed_val(tmp_arg2); + } else if (is_both_small(Op1, Op2)) { + Sint ires = signed_val(Op1) / signed_val(Op2); if (MY_IS_SSMALL(ires)) { - result = make_small(ires); - STORE_ARITH_RESULT(result); + Eterm result = make_small(ires); + StoreBifResult(4, result); } } - arith_func = ARITH_FUNC(int_div); - goto do_big_arith2; + DO_OUTLINED_ARITH_2(int_div, Op1, Op2); } - OpCase(i_rem_jIxxd): { - Eterm result; + Eterm RemOp1, RemOp2; - if (xb(Arg(3)) == SMALL_ZERO) { - goto badarith; - } else if (is_both_small(xb(Arg(2)), xb(Arg(3)))) { - result = make_small(signed_val(xb(Arg(2))) % signed_val(xb(Arg(3)))); + OpCase(i_rem_jIxxd): + RemOp1 = xb(Arg(2)); + RemOp2 = xb(Arg(3)); + goto do_rem; + + OpCase(i_rem_jIssd): + GetArg2(2, RemOp1, RemOp2); + goto do_rem; + + do_rem: + if (RemOp2 == SMALL_ZERO) { + goto badarith; + } else if (is_both_small(RemOp1, RemOp2)) { + Eterm result = make_small(signed_val(RemOp1) % signed_val(RemOp2)); StoreBifResult(4, result); + } else { + DO_OUTLINED_ARITH_2(int_rem, RemOp1, RemOp2); } - DO_BIG_ARITH(ARITH_FUNC(int_rem),xb(Arg(2)),xb(Arg(3))); } - OpCase(i_rem_jId): { - Eterm result; - - if (tmp_arg2 == SMALL_ZERO) { - goto badarith; - } else if (is_both_small(tmp_arg1, tmp_arg2)) { - result = make_small(signed_val(tmp_arg1) % signed_val(tmp_arg2)); - STORE_ARITH_RESULT(result); - } else { - arith_func = ARITH_FUNC(int_rem); - goto do_big_arith2; - } - } + Eterm BandOp1, BandOp2; OpCase(i_band_jIxcd): - { - Eterm result; + BandOp1 = xb(Arg(2)); + BandOp2 = Arg(3); + goto do_band; + + OpCase(i_band_jIssd): + GetArg2(2, BandOp1, BandOp2); + goto do_band; - if (is_both_small(xb(Arg(2)), Arg(3))) { + do_band: + if (is_both_small(BandOp1, BandOp2)) { /* * No need to untag -- TAG & TAG == TAG. */ - result = xb(Arg(2)) & Arg(3); + Eterm result = BandOp1 & BandOp2; StoreBifResult(4, result); } - DO_BIG_ARITH(ARITH_FUNC(band),xb(Arg(2)),Arg(3)); - } - - OpCase(i_band_jId): - { - Eterm result; - - if (is_both_small(tmp_arg1, tmp_arg2)) { - /* - * No need to untag -- TAG & TAG == TAG. - */ - result = tmp_arg1 & tmp_arg2; - STORE_ARITH_RESULT(result); - } - arith_func = ARITH_FUNC(band); - goto do_big_arith2; - } - -#undef DO_BIG_ARITH - - do_big_arith2: - { - Eterm result; - Uint live = Arg(1); - - SWAPOUT; - reg[0] = r(0); - reg[live] = tmp_arg1; - reg[live+1] = tmp_arg2; - result = arith_func(c_p, reg, live); - r(0) = reg[0]; - SWAPIN; - ERTS_HOLE_CHECK(c_p); - if (is_value(result)) { - STORE_ARITH_RESULT(result); - } - goto lb_Cl_error; + DO_OUTLINED_ARITH_2(band, BandOp1, BandOp2); } /* @@ -3001,97 +2857,102 @@ do { \ goto find_func_info; } - OpCase(i_bor_jId): + OpCase(i_bor_jIssd): { - Eterm result; + Eterm Op1, Op2; - if (is_both_small(tmp_arg1, tmp_arg2)) { + GetArg2(2, Op1, Op2); + if (is_both_small(Op1, Op2)) { /* * No need to untag -- TAG | TAG == TAG. */ - result = tmp_arg1 | tmp_arg2; - STORE_ARITH_RESULT(result); + Eterm result = Op1 | Op2; + StoreBifResult(4, result); } - arith_func = ARITH_FUNC(bor); - goto do_big_arith2; + DO_OUTLINED_ARITH_2(bor, Op1, Op2); } - OpCase(i_bxor_jId): + OpCase(i_bxor_jIssd): { - Eterm result; + Eterm Op1, Op2; - if (is_both_small(tmp_arg1, tmp_arg2)) { + GetArg2(2, Op1, Op2); + if (is_both_small(Op1, Op2)) { /* * We could extract the tag from one argument, but a tag extraction * could mean a shift. Therefore, play it safe here. */ - result = make_small(signed_val(tmp_arg1) ^ signed_val(tmp_arg2)); - STORE_ARITH_RESULT(result); + Eterm result = make_small(signed_val(Op1) ^ signed_val(Op2)); + StoreBifResult(4, result); } - arith_func = ARITH_FUNC(bxor); - goto do_big_arith2; + DO_OUTLINED_ARITH_2(bxor, Op1, Op2); } { + Eterm Op1, Op2; Sint i; Sint ires; Eterm* bigp; + Eterm tmp_big[2]; - OpCase(i_bsr_jId): - if (is_small(tmp_arg2)) { - i = -signed_val(tmp_arg2); - if (is_small(tmp_arg1)) { + OpCase(i_bsr_jIssd): + GetArg2(2, Op1, Op2); + if (is_small(Op2)) { + i = -signed_val(Op2); + if (is_small(Op1)) { goto small_shift; - } else if (is_big(tmp_arg1)) { + } else if (is_big(Op1)) { if (i == 0) { - StoreBifResult(2, tmp_arg1); + StoreBifResult(4, Op1); } goto big_shift; } - } else if (is_big(tmp_arg2)) { + } else if (is_big(Op2)) { /* * N bsr NegativeBigNum == N bsl MAX_SMALL * N bsr PositiveBigNum == N bsl MIN_SMALL */ - tmp_arg2 = make_small(bignum_header_is_neg(*big_val(tmp_arg2)) ? + Op2 = make_small(bignum_header_is_neg(*big_val(Op2)) ? MAX_SMALL : MIN_SMALL); goto do_bsl; } goto badarith; - OpCase(i_bsl_jId): + OpCase(i_bsl_jIssd): + GetArg2(2, Op1, Op2); + do_bsl: - if (is_small(tmp_arg2)) { - i = signed_val(tmp_arg2); + if (is_small(Op2)) { + i = signed_val(Op2); - if (is_small(tmp_arg1)) { + if (is_small(Op1)) { small_shift: - ires = signed_val(tmp_arg1); + ires = signed_val(Op1); if (i == 0 || ires == 0) { - StoreBifResult(2, tmp_arg1); + StoreBifResult(4, Op1); } else if (i < 0) { /* Right shift */ i = -i; if (i >= SMALL_BITS-1) { - tmp_arg1 = (ires < 0) ? SMALL_MINUS_ONE : SMALL_ZERO; + Op1 = (ires < 0) ? SMALL_MINUS_ONE : SMALL_ZERO; } else { - tmp_arg1 = make_small(ires >> i); + Op1 = make_small(ires >> i); } - StoreBifResult(2, tmp_arg1); + StoreBifResult(4, Op1); } else if (i < SMALL_BITS-1) { /* Left shift */ if ((ires > 0 && ((~(Uint)0 << ((SMALL_BITS-1)-i)) & ires) == 0) || ((~(Uint)0 << ((SMALL_BITS-1)-i)) & ~ires) == 0) { - tmp_arg1 = make_small(ires << i); - StoreBifResult(2, tmp_arg1); + Op1 = make_small(ires << i); + StoreBifResult(4, Op1); } } - tmp_arg1 = small_to_big(ires, tmp_big); + Op1 = small_to_big(ires, tmp_big); big_shift: if (i > 0) { /* Left shift. */ - ires = big_size(tmp_arg1) + (i / D_EXP); + ires = big_size(Op1) + (i / D_EXP); } else { /* Right shift. */ - ires = big_size(tmp_arg1); + ires = big_size(Op1); if (ires <= (-i / D_EXP)) ires = 3; /* ??? */ else @@ -3109,14 +2970,14 @@ do { \ c_p->freason = SYSTEM_LIMIT; goto lb_Cl_error; } - TestHeapPreserve(ires+1, Arg(1), tmp_arg1); + TestHeapPreserve(ires+1, Arg(1), Op1); bigp = HTOP; - tmp_arg1 = big_lshift(tmp_arg1, i, bigp); - if (is_big(tmp_arg1)) { + Op1 = big_lshift(Op1, i, bigp); + if (is_big(Op1)) { HTOP += bignum_header_arity(*HTOP) + 1; } HEAP_SPACE_VERIFIED(0); - if (is_nil(tmp_arg1)) { + if (is_nil(Op1)) { /* * This result must have been only slight larger * than allowed since it wasn't caught by the @@ -3126,25 +2987,25 @@ do { \ goto lb_Cl_error; } ERTS_HOLE_CHECK(c_p); - StoreBifResult(2, tmp_arg1); + StoreBifResult(4, Op1); } - } else if (is_big(tmp_arg1)) { + } else if (is_big(Op1)) { if (i == 0) { - StoreBifResult(2, tmp_arg1); + StoreBifResult(4, Op1); } goto big_shift; } - } else if (is_big(tmp_arg2)) { - if (bignum_header_is_neg(*big_val(tmp_arg2))) { + } else if (is_big(Op2)) { + if (bignum_header_is_neg(*big_val(Op2))) { /* * N bsl NegativeBigNum is either 0 or -1, depending on * the sign of N. Since we don't believe this case * is common, do the calculation with the minimum * amount of code. */ - tmp_arg2 = make_small(MIN_SMALL); + Op2 = make_small(MIN_SMALL); goto do_bsl; - } else if (is_small(tmp_arg1) || is_big(tmp_arg1)) { + } else if (is_small(Op1) || is_big(Op1)) { /* * N bsl PositiveBigNum is too large to represent. */ @@ -3169,10 +3030,8 @@ do { \ } else { Uint live = Arg(2); SWAPOUT; - reg[0] = r(0); reg[live] = bnot_val; bnot_val = erts_gc_bnot(c_p, reg, live); - r(0) = reg[0]; SWAPIN; ERTS_HOLE_CHECK(c_p); if (is_nil(bnot_val)) { @@ -3192,7 +3051,6 @@ do { \ next = apply(c_p, r(0), x(1), x(2), reg); SWAPIN; if (next != NULL) { - r(0) = reg[0]; SET_CP(c_p, I+1); SET_I(next); Dispatch(); @@ -3207,7 +3065,6 @@ do { \ next = apply(c_p, r(0), x(1), x(2), reg); SWAPIN; if (next != NULL) { - r(0) = reg[0]; SET_CP(c_p, (BeamInstr *) E[0]); E = ADD_BYTE_OFFSET(E, Arg(0)); SET_I(next); @@ -3223,7 +3080,6 @@ do { \ next = apply(c_p, r(0), x(1), x(2), reg); SWAPIN; if (next != NULL) { - r(0) = reg[0]; SET_I(next); Dispatch(); } @@ -3234,12 +3090,10 @@ do { \ OpCase(apply_I): { BeamInstr *next; - reg[0] = r(0); SWAPOUT; next = fixed_apply(c_p, reg, Arg(0)); SWAPIN; if (next != NULL) { - r(0) = reg[0]; SET_CP(c_p, I+2); SET_I(next); Dispatch(); @@ -3251,12 +3105,10 @@ do { \ OpCase(apply_last_IP): { BeamInstr *next; - reg[0] = r(0); SWAPOUT; next = fixed_apply(c_p, reg, Arg(0)); SWAPIN; if (next != NULL) { - r(0) = reg[0]; SET_CP(c_p, (BeamInstr *) E[0]); E = ADD_BYTE_OFFSET(E, Arg(1)); SET_I(next); @@ -3273,7 +3125,6 @@ do { \ next = apply_fun(c_p, r(0), x(1), reg); SWAPIN; if (next != NULL) { - r(0) = reg[0]; SET_CP(c_p, I+1); SET_I(next); Dispatchfun(); @@ -3288,7 +3139,6 @@ do { \ next = apply_fun(c_p, r(0), x(1), reg); SWAPIN; if (next != NULL) { - r(0) = reg[0]; SET_CP(c_p, (BeamInstr *) E[0]); E = ADD_BYTE_OFFSET(E, Arg(0)); SET_I(next); @@ -3304,7 +3154,6 @@ do { \ next = apply_fun(c_p, r(0), x(1), reg); SWAPIN; if (next != NULL) { - r(0) = reg[0]; SET_I(next); Dispatchfun(); } @@ -3315,12 +3164,9 @@ do { \ BeamInstr *next; SWAPOUT; - reg[0] = r(0); - next = call_fun(c_p, Arg(0), reg, THE_NON_VALUE); SWAPIN; if (next != NULL) { - r(0) = reg[0]; SET_CP(c_p, I+2); SET_I(next); Dispatchfun(); @@ -3332,11 +3178,9 @@ do { \ BeamInstr *next; SWAPOUT; - reg[0] = r(0); next = call_fun(c_p, Arg(0), reg, THE_NON_VALUE); SWAPIN; if (next != NULL) { - r(0) = reg[0]; SET_CP(c_p, (BeamInstr *) E[0]); E = ADD_BYTE_OFFSET(E, Arg(1)); SET_I(next); @@ -3421,10 +3265,9 @@ do { \ */ argp = c_p->arg_reg; - for (i = c_p->arity - 1; i > 0; i--) { + for (i = c_p->arity - 1; i >= 0; i--) { argp[i] = reg[i]; } - c_p->arg_reg[0] = r(0); SWAPOUT; c_p->i = I; goto do_schedule1; @@ -3437,19 +3280,14 @@ do { \ Eterm* p; PreFetch(3, next); - GetArg2(0, element, tuple); + GetArg1(0, element); + tuple = REG_TARGET(Arg(1)); ASSERT(is_tuple(tuple)); p = (Eterm *) ((unsigned char *) tuple_val(tuple) + Arg(2)); *p = element; NextPF(3, next); } - OpCase(i_is_ne_exact_f): - if (EQ(tmp_arg1, tmp_arg2)) { - ClauseFail(); - } - Next(1); - OpCase(normal_exit): { SWAPOUT; c_p->freason = EXC_NORMAL; @@ -3516,25 +3354,14 @@ do { \ { Eterm badmatch_val; - OpCase(badmatch_y): - badmatch_val = yb(Arg(0)); - goto do_badmatch; - OpCase(badmatch_x): badmatch_val = xb(Arg(0)); - goto do_badmatch; - - OpCase(badmatch_r): - badmatch_val = r(0); - - do_badmatch: c_p->fvalue = badmatch_val; c_p->freason = BADMATCH; } /* Fall through here */ find_func_info: { - reg[0] = r(0); SWAPOUT; I = handle_error(c_p, I, reg, NULL); goto post_error_handling; @@ -3552,9 +3379,7 @@ do { \ * code[4]: Not used */ SWAPOUT; - reg[0] = r(0); I = call_error_handler(c_p, I-3, reg, am_undefined_function); - r(0) = reg[0]; SWAPIN; if (I) { Goto(*I); @@ -3563,14 +3388,12 @@ do { \ /* Fall through */ OpCase(error_action_code): { handle_error: - reg[0] = r(0); SWAPOUT; I = handle_error(c_p, NULL, reg, NULL); post_error_handling: if (I == 0) { goto do_schedule; } else { - r(0) = reg[0]; ASSERT(!is_value(r(0))); if (c_p->mbuf) { erts_garbage_collect(c_p, 0, reg+1, 3); @@ -3613,7 +3436,6 @@ do { \ NifF* fp = vbf = (NifF*) I[1]; struct enif_environment_t env; erts_pre_nif(&env, c_p, (struct erl_module_nif*)I[2]); - reg[0] = r(0); nif_bif_result = (*fp)(&env, bif_nif_arity, reg); if (env.exception_thrown) nif_bif_result = THE_NON_VALUE; @@ -3652,7 +3474,7 @@ do { \ bif_nif_arity = I[-1]; ASSERT(bif_nif_arity <= 4); ERTS_SMP_UNREQ_PROC_MAIN_LOCK(c_p); - reg[0] = r(0); + ERTS_VERIFY_UNUSED_TEMP_ALLOC(c_p); { Eterm (*bf)(Process*, Eterm*, BeamInstr*) = vbf; ASSERT(!ERTS_PROC_IS_EXITING(c_p)); @@ -3682,7 +3504,6 @@ do { \ Goto(*I); } else if (c_p->freason == TRAP) { SET_I(c_p->i); - r(0) = reg[0]; if (c_p->flags & F_HIBERNATE_SCHED) { c_p->flags &= ~F_HIBERNATE_SCHED; goto do_schedule; @@ -3709,16 +3530,6 @@ do { \ OpCase(case_end_x): case_end_val = xb(Arg(0)); - goto do_case_end; - - OpCase(case_end_y): - case_end_val = yb(Arg(0)); - goto do_case_end; - - OpCase(case_end_r): - case_end_val = r(0); - - do_case_end: c_p->fvalue = case_end_val; c_p->freason = EXC_CASE_CLAUSE; goto find_func_info; @@ -3766,19 +3577,13 @@ do { \ goto do_bs_init_bits_known; } - OpCase(i_bs_init_bits_fail_heap_IjId): { - /* tmp_arg1 was fetched by an i_fetch instruction */ - num_bits_term = tmp_arg1; - alloc = Arg(0); - I++; + OpCase(i_bs_init_bits_fail_heap_sIjId): { + GetArg1(0, num_bits_term); + alloc = Arg(1); + I += 2; goto do_bs_init_bits; } - OpCase(i_bs_init_bits_fail_rjId): { - num_bits_term = r(0); - alloc = 0; - goto do_bs_init_bits; - } OpCase(i_bs_init_bits_fail_yjId): { num_bits_term = yb(Arg(0)); I++; @@ -3898,52 +3703,48 @@ do { \ } { - OpCase(i_bs_init_fail_heap_IjId): { - /* tmp_arg1 was fetched by an i_fetch instruction */ - tmp_arg2 = Arg(0); - I++; - goto do_bs_init; - } + Eterm BsOp1, BsOp2; - OpCase(i_bs_init_fail_rjId): { - tmp_arg1 = r(0); - tmp_arg2 = 0; + OpCase(i_bs_init_fail_heap_sIjId): { + GetArg1(0, BsOp1); + BsOp2 = Arg(1); + I += 2; goto do_bs_init; } OpCase(i_bs_init_fail_yjId): { - tmp_arg1 = yb(Arg(0)); - tmp_arg2 = 0; + BsOp1 = yb(Arg(0)); + BsOp2 = 0; I++; goto do_bs_init; } OpCase(i_bs_init_fail_xjId): { - tmp_arg1 = xb(Arg(0)); - tmp_arg2 = 0; + BsOp1 = xb(Arg(0)); + BsOp2 = 0; I++; } /* FALL THROUGH */ do_bs_init: - if (is_small(tmp_arg1)) { - Sint size = signed_val(tmp_arg1); + if (is_small(BsOp1)) { + Sint size = signed_val(BsOp1); if (size < 0) { goto badarg; } - tmp_arg1 = (Eterm) size; + BsOp1 = (Eterm) size; } else { Uint bytes; - if (!term_to_Uint(tmp_arg1, &bytes)) { + if (!term_to_Uint(BsOp1, &bytes)) { c_p->freason = bytes; goto lb_Cl_error; } if ((bytes >> (8*sizeof(Uint)-3)) != 0) { goto system_limit; } - tmp_arg1 = (Eterm) bytes; + BsOp1 = (Eterm) bytes; } - if (tmp_arg1 <= ERL_ONHEAP_BIN_LIMIT) { + if (BsOp1 <= ERL_ONHEAP_BIN_LIMIT) { goto do_heap_bin_alloc; } else { goto do_proc_bin_alloc; @@ -3951,15 +3752,15 @@ do { \ OpCase(i_bs_init_heap_IIId): { - tmp_arg1 = Arg(0); - tmp_arg2 = Arg(1); + BsOp1 = Arg(0); + BsOp2 = Arg(1); I++; goto do_proc_bin_alloc; } OpCase(i_bs_init_IId): { - tmp_arg1 = Arg(0); - tmp_arg2 = 0; + BsOp1 = Arg(0); + BsOp2 = 0; } /* FALL THROUGH */ do_proc_bin_alloc: { @@ -3968,13 +3769,13 @@ do { \ erts_bin_offset = 0; erts_writable_bin = 0; - TestBinVHeap(tmp_arg1 / sizeof(Eterm), - tmp_arg2 + PROC_BIN_SIZE + ERL_SUB_BIN_SIZE, Arg(1)); + TestBinVHeap(BsOp1 / sizeof(Eterm), + BsOp2 + PROC_BIN_SIZE + ERL_SUB_BIN_SIZE, Arg(1)); /* * Allocate the binary struct itself. */ - bptr = erts_bin_nrml_alloc(tmp_arg1); + bptr = erts_bin_nrml_alloc(BsOp1); erts_refc_init(&bptr->refc, 1); erts_current_bin = (byte *) bptr->orig_bytes; @@ -3984,28 +3785,28 @@ do { \ pb = (ProcBin *) HTOP; HTOP += PROC_BIN_SIZE; pb->thing_word = HEADER_PROC_BIN; - pb->size = tmp_arg1; + pb->size = BsOp1; pb->next = MSO(c_p).first; MSO(c_p).first = (struct erl_off_heap_header*) pb; pb->val = bptr; pb->bytes = (byte*) bptr->orig_bytes; pb->flags = 0; - OH_OVERHEAD(&(MSO(c_p)), tmp_arg1 / sizeof(Eterm)); + OH_OVERHEAD(&(MSO(c_p)), BsOp1 / sizeof(Eterm)); StoreBifResult(2, make_binary(pb)); } OpCase(i_bs_init_heap_bin_heap_IIId): { - tmp_arg1 = Arg(0); - tmp_arg2 = Arg(1); + BsOp1 = Arg(0); + BsOp2 = Arg(1); I++; goto do_heap_bin_alloc; } OpCase(i_bs_init_heap_bin_IId): { - tmp_arg1 = Arg(0); - tmp_arg2 = 0; + BsOp1 = Arg(0); + BsOp2 = 0; } /* Fall through */ do_heap_bin_alloc: @@ -4013,33 +3814,36 @@ do { \ ErlHeapBin* hb; Uint bin_need; - bin_need = heap_bin_size(tmp_arg1); + bin_need = heap_bin_size(BsOp1); erts_bin_offset = 0; erts_writable_bin = 0; - TestHeap(bin_need+tmp_arg2+ERL_SUB_BIN_SIZE, Arg(1)); + TestHeap(bin_need+BsOp2+ERL_SUB_BIN_SIZE, Arg(1)); hb = (ErlHeapBin *) HTOP; HTOP += bin_need; - hb->thing_word = header_heap_bin(tmp_arg1); - hb->size = tmp_arg1; + hb->thing_word = header_heap_bin(BsOp1); + hb->size = BsOp1; erts_current_bin = (byte *) hb->data; - tmp_arg1 = make_binary(hb); - StoreBifResult(2, tmp_arg1); + BsOp1 = make_binary(hb); + StoreBifResult(2, BsOp1); } } - OpCase(i_bs_add_jId): { - Uint Unit = Arg(1); - if (is_both_small(tmp_arg1, tmp_arg2)) { - Sint Arg1 = signed_val(tmp_arg1); - Sint Arg2 = signed_val(tmp_arg2); + OpCase(bs_add_jssId): { + Eterm Op1, Op2; + Uint Unit = Arg(3); + + GetArg2(1, Op1, Op2); + if (is_both_small(Op1, Op2)) { + Sint Arg1 = signed_val(Op1); + Sint Arg2 = signed_val(Op2); if (Arg1 >= 0 && Arg2 >= 0) { - BsSafeMul(Arg2, Unit, goto system_limit, tmp_arg1); - tmp_arg1 += Arg1; + BsSafeMul(Arg2, Unit, goto system_limit, Op1); + Op1 += Arg1; store_bs_add_result: - if (MY_IS_SSMALL((Sint) tmp_arg1)) { - tmp_arg1 = make_small(tmp_arg1); + if (MY_IS_SSMALL((Sint) Op1)) { + Op1 = make_small(Op1); } else { /* * May generate a heap fragment, but in this @@ -4051,10 +3855,10 @@ do { \ * references (such as the heap). */ SWAPOUT; - tmp_arg1 = erts_make_integer(tmp_arg1, c_p); + Op1 = erts_make_integer(Op1, c_p); HTOP = HEAP_TOP(c_p); } - StoreBifResult(2, tmp_arg1); + StoreBifResult(4, Op1); } goto badarg; } else { @@ -4077,16 +3881,16 @@ do { \ * an Uint, the reason is SYSTEM_LIMIT. */ - if (!term_to_Uint(tmp_arg1, &a)) { + if (!term_to_Uint(Op1, &a)) { if (a == BADARG) { goto badarg; } - if (!term_to_Uint(tmp_arg2, &b)) { + if (!term_to_Uint(Op2, &b)) { c_p->freason = b; goto lb_Cl_error; } goto system_limit; - } else if (!term_to_Uint(tmp_arg2, &b)) { + } else if (!term_to_Uint(Op2, &b)) { c_p->freason = b; goto lb_Cl_error; } @@ -4096,8 +3900,8 @@ do { \ */ BsSafeMul(b, Unit, goto system_limit, c); - tmp_arg1 = a + c; - if (tmp_arg1 < a) { + Op1 = a + c; + if (Op1 < a) { /* * If the result is less than one of the * arguments, there must have been an overflow. @@ -4119,48 +3923,43 @@ do { \ } /* - * tmp_arg1 = Number of bytes to build - * tmp_arg2 = Source binary - * Operands: Fail ExtraHeap Live Unit Dst + * x(SCRATCH_X_REG); + * Operands: Fail ExtraHeap Live Unit Size Dst */ - OpCase(i_bs_append_jIIId): { + OpCase(i_bs_append_jIIIsd): { Uint live = Arg(2); Uint res; + Eterm Size; + GetArg1(4, Size); SWAPOUT; - reg[0] = r(0); - reg[live] = tmp_arg2; - res = erts_bs_append(c_p, reg, live, tmp_arg1, Arg(1), Arg(3)); - r(0) = reg[0]; + reg[live] = x(SCRATCH_X_REG); + res = erts_bs_append(c_p, reg, live, Size, Arg(1), Arg(3)); SWAPIN; if (is_non_value(res)) { /* c_p->freason is already set (may be either BADARG or SYSTEM_LIMIT). */ goto lb_Cl_error; } - StoreBifResult(4, res); + StoreBifResult(5, res); } /* - * tmp_arg1 = Number of bytes to build - * tmp_arg2 = Source binary - * Operands: Fail Unit Dst + * Operands: Fail Size Src Unit Dst */ - OpCase(i_bs_private_append_jId): { + OpCase(i_bs_private_append_jIssd): { Eterm res; + Eterm Size, Src; - res = erts_bs_private_append(c_p, tmp_arg2, tmp_arg1, Arg(1)); + GetArg2(2, Size, Src); + res = erts_bs_private_append(c_p, Src, Size, Arg(1)); if (is_non_value(res)) { /* c_p->freason is already set (may be either BADARG or SYSTEM_LIMIT). */ goto lb_Cl_error; } - StoreBifResult(2, res); + StoreBifResult(4, res); } - /* - * tmp_arg1 = Initial size of writable binary - * Operands: Live Dst - */ OpCase(bs_init_writable): { SWAPOUT; r(0) = erts_bs_init_writable(c_p, r(0)); @@ -4255,26 +4054,29 @@ do { \ /* * Only used for validating a value matched out. - * - * tmp_arg1 = Integer to validate - * tmp_arg2 = Match context */ - OpCase(i_bs_validate_unicode_retract_j): { - /* - * There is no need to untag the integer, but it IS necessary - * to make sure it is small (a bignum pointer could fall in - * the valid range). - */ - if (is_not_small(tmp_arg1) || tmp_arg1 > make_small(0x10FFFFUL) || - (make_small(0xD800UL) <= tmp_arg1 && - tmp_arg1 <= make_small(0xDFFFUL))) { - ErlBinMatchBuffer *mb = ms_matchbuffer(tmp_arg2); + OpCase(i_bs_validate_unicode_retract_jss): { + Eterm i; /* Integer to validate */ - mb->offset -= 32; - goto badarg; - } - Next(1); - } + /* + * There is no need to untag the integer, but it IS necessary + * to make sure it is small (a bignum pointer could fall in + * the valid range). + */ + + GetArg1(1, i); + if (is_not_small(i) || i > make_small(0x10FFFFUL) || + (make_small(0xD800UL) <= i && i <= make_small(0xDFFFUL))) { + Eterm ms; /* Match context */ + ErlBinMatchBuffer* mb; + + GetArg1(2, ms); + mb = ms_matchbuffer(ms); + mb->offset -= 32; + goto badarg; + } + Next(3); + } /* * Matching of binaries. @@ -4286,9 +4088,6 @@ do { \ Uint slots; Eterm context; - OpCase(i_bs_start_match2_rfIId): { - context = r(0); - do_start_match: slots = Arg(2); if (!is_boxed(context)) { @@ -4335,7 +4134,7 @@ do { \ ClauseFail(); } NextPF(4, next); - } + OpCase(i_bs_start_match2_xfIId): { context = xb(Arg(0)); I++; @@ -4348,18 +4147,6 @@ do { \ } } - OpCase(bs_test_zero_tail2_fr): { - BeamInstr *next; - ErlBinMatchBuffer *_mb; - - PreFetch(1, next); - _mb = (ErlBinMatchBuffer*) ms_matchbuffer(r(0)); - if (_mb->size != _mb->offset) { - ClauseFail(); - } - NextPF(1, next); - } - OpCase(bs_test_zero_tail2_fx): { BeamInstr *next; ErlBinMatchBuffer *_mb; @@ -4372,16 +4159,6 @@ do { \ NextPF(2, next); } - OpCase(bs_test_tail_imm2_frI): { - BeamInstr *next; - ErlBinMatchBuffer *_mb; - PreFetch(2, next); - _mb = ms_matchbuffer(r(0)); - if (_mb->size - _mb->offset != Arg(1)) { - ClauseFail(); - } - NextPF(2, next); - } OpCase(bs_test_tail_imm2_fxI): { BeamInstr *next; ErlBinMatchBuffer *_mb; @@ -4393,16 +4170,6 @@ do { \ NextPF(3, next); } - OpCase(bs_test_unit_frI): { - BeamInstr *next; - ErlBinMatchBuffer *_mb; - PreFetch(2, next); - _mb = ms_matchbuffer(r(0)); - if ((_mb->size - _mb->offset) % Arg(1)) { - ClauseFail(); - } - NextPF(2, next); - } OpCase(bs_test_unit_fxI): { BeamInstr *next; ErlBinMatchBuffer *_mb; @@ -4414,16 +4181,6 @@ do { \ NextPF(3, next); } - OpCase(bs_test_unit8_fr): { - BeamInstr *next; - ErlBinMatchBuffer *_mb; - PreFetch(1, next); - _mb = ms_matchbuffer(r(0)); - if ((_mb->size - _mb->offset) & 7) { - ClauseFail(); - } - NextPF(1, next); - } OpCase(bs_test_unit8_fx): { BeamInstr *next; ErlBinMatchBuffer *_mb; @@ -4438,19 +4195,11 @@ do { \ { Eterm bs_get_integer8_context; - OpCase(i_bs_get_integer_8_rfd): { - bs_get_integer8_context = r(0); - goto do_bs_get_integer_8; - } - OpCase(i_bs_get_integer_8_xfd): { - bs_get_integer8_context = xb(Arg(0)); - I++; - } - - do_bs_get_integer_8: { ErlBinMatchBuffer *_mb; Eterm _result; + bs_get_integer8_context = xb(Arg(0)); + I++; _mb = ms_matchbuffer(bs_get_integer8_context); if (_mb->size - _mb->offset < 8) { ClauseFail(); @@ -4468,15 +4217,10 @@ do { \ { Eterm bs_get_integer_16_context; - OpCase(i_bs_get_integer_16_rfd): - bs_get_integer_16_context = r(0); - goto do_bs_get_integer_16; - OpCase(i_bs_get_integer_16_xfd): bs_get_integer_16_context = xb(Arg(0)); I++; - do_bs_get_integer_16: { ErlBinMatchBuffer *_mb; Eterm _result; @@ -4497,17 +4241,10 @@ do { \ { Eterm bs_get_integer_32_context; - OpCase(i_bs_get_integer_32_rfId): - bs_get_integer_32_context = r(0); - goto do_bs_get_integer_32; - - OpCase(i_bs_get_integer_32_xfId): bs_get_integer_32_context = xb(Arg(0)); I++; - - do_bs_get_integer_32: { ErlBinMatchBuffer *_mb; Uint32 _integer; @@ -4536,103 +4273,82 @@ do { \ } } - /* Operands: Size Live Fail Flags Dst */ - OpCase(i_bs_get_integer_imm_rIIfId): { - tmp_arg1 = r(0); - /* Operands: Size Live Fail Flags Dst */ - goto do_bs_get_integer_imm_test_heap; - } + { + Eterm Ms, Sz; - /* Operands: x(Reg) Size Live Fail Flags Dst */ + /* Operands: x(Reg) Size Live Fail Flags Dst */ OpCase(i_bs_get_integer_imm_xIIfId): { - tmp_arg1 = xb(Arg(0)); - I++; - /* Operands: Size Live Fail Flags Dst */ - goto do_bs_get_integer_imm_test_heap; - } - - /* - * tmp_arg1 = match context - * Operands: Size Live Fail Flags Dst - */ - do_bs_get_integer_imm_test_heap: { - Uint wordsneeded; - tmp_arg2 = Arg(0); - wordsneeded = 1+WSIZE(NBYTES(tmp_arg2)); - TestHeapPreserve(wordsneeded, Arg(1), tmp_arg1); - I += 2; - /* Operands: Fail Flags Dst */ - goto do_bs_get_integer_imm; - } - - /* Operands: Size Fail Flags Dst */ - OpCase(i_bs_get_integer_small_imm_rIfId): { - tmp_arg1 = r(0); - tmp_arg2 = Arg(0); - I++; - /* Operands: Fail Flags Dst */ - goto do_bs_get_integer_imm; - } + Uint wordsneeded; + Ms = xb(Arg(0)); + Sz = Arg(1); + wordsneeded = 1+WSIZE(NBYTES(Sz)); + TestHeapPreserve(wordsneeded, Arg(2), Ms); + I += 3; + /* Operands: Fail Flags Dst */ + goto do_bs_get_integer_imm; + } - /* Operands: x(Reg) Size Fail Flags Dst */ + /* Operands: x(Reg) Size Fail Flags Dst */ OpCase(i_bs_get_integer_small_imm_xIfId): { - tmp_arg1 = xb(Arg(0)); - tmp_arg2 = Arg(1); - I += 2; - /* Operands: Fail Flags Dst */ - goto do_bs_get_integer_imm; - } + Ms = xb(Arg(0)); + Sz = Arg(1); + I += 2; + /* Operands: Fail Flags Dst */ + goto do_bs_get_integer_imm; + } - /* - * tmp_arg1 = match context - * tmp_arg2 = size of field - * Operands: Fail Flags Dst - */ + /* + * Ms = match context + * Sz = size of field + * Operands: Fail Flags Dst + */ do_bs_get_integer_imm: { - ErlBinMatchBuffer* mb; - Eterm result; + ErlBinMatchBuffer* mb; + Eterm result; - mb = ms_matchbuffer(tmp_arg1); - LIGHT_SWAPOUT; - result = erts_bs_get_integer_2(c_p, tmp_arg2, Arg(1), mb); - LIGHT_SWAPIN; - HEAP_SPACE_VERIFIED(0); - if (is_non_value(result)) { - ClauseFail(); + mb = ms_matchbuffer(Ms); + LIGHT_SWAPOUT; + result = erts_bs_get_integer_2(c_p, Sz, Arg(1), mb); + LIGHT_SWAPIN; + HEAP_SPACE_VERIFIED(0); + if (is_non_value(result)) { + ClauseFail(); + } + StoreBifResult(2, result); } - StoreBifResult(2, result); } /* - * tmp_arg1 = Match context - * tmp_arg2 = Size field - * Operands: Fail Live FlagsAndUnit Dst + * Operands: Fail Live FlagsAndUnit Ms Sz Dst */ - OpCase(i_bs_get_integer_fIId): { + OpCase(i_bs_get_integer_fIIssd): { Uint flags; Uint size; + Eterm Ms; + Eterm Sz; ErlBinMatchBuffer* mb; Eterm result; flags = Arg(2); - BsGetFieldSize(tmp_arg2, (flags >> 3), ClauseFail(), size); + GetArg2(3, Ms, Sz); + BsGetFieldSize(Sz, (flags >> 3), ClauseFail(), size); if (size >= SMALL_BITS) { Uint wordsneeded; - /* check bits size before potential gc. + /* Check bits size before potential gc. * We do not want a gc and then realize we don't need - * the allocated space (i.e. if the op fails) + * the allocated space (i.e. if the op fails). * - * remember to reacquire the matchbuffer after gc. + * Remember to re-acquire the matchbuffer after gc. */ - mb = ms_matchbuffer(tmp_arg1); + mb = ms_matchbuffer(Ms); if (mb->size - mb->offset < size) { ClauseFail(); } wordsneeded = 1+WSIZE(NBYTES((Uint) size)); - TestHeapPreserve(wordsneeded, Arg(1), tmp_arg1); + TestHeapPreserve(wordsneeded, Arg(1), Ms); } - mb = ms_matchbuffer(tmp_arg1); + mb = ms_matchbuffer(Ms); LIGHT_SWAPOUT; result = erts_bs_get_integer_2(c_p, size, flags, mb); LIGHT_SWAPIN; @@ -4640,18 +4356,13 @@ do { \ if (is_non_value(result)) { ClauseFail(); } - StoreBifResult(3, result); + StoreBifResult(5, result); } { Eterm get_utf8_context; /* Operands: MatchContext Fail Dst */ - OpCase(i_bs_get_utf8_rfd): { - get_utf8_context = r(0); - goto do_bs_get_utf8; - } - OpCase(i_bs_get_utf8_xfd): { get_utf8_context = xb(Arg(0)); I++; @@ -4662,7 +4373,7 @@ do { \ * Operands: Fail Dst */ - do_bs_get_utf8: { + { Eterm result = erts_bs_get_utf8(ms_matchbuffer(get_utf8_context)); if (is_non_value(result)) { ClauseFail(); @@ -4675,12 +4386,7 @@ do { \ Eterm get_utf16_context; /* Operands: MatchContext Fail Flags Dst */ - OpCase(i_bs_get_utf16_rfId): { - get_utf16_context = r(0); - goto do_bs_get_utf16; - } - - OpCase(i_bs_get_utf16_xfId): { + OpCase(i_bs_get_utf16_xfId): { get_utf16_context = xb(Arg(0)); I++; } @@ -4689,7 +4395,7 @@ do { \ * get_utf16_context = match_context * Operands: Fail Flags Dst */ - do_bs_get_utf16: { + { Eterm result = erts_bs_get_utf16(ms_matchbuffer(get_utf16_context), Arg(1)); if (is_non_value(result)) { @@ -4708,26 +4414,10 @@ do { \ Uint orig; Uint hole_size; - OpCase(bs_context_to_binary_r): { - context_to_binary_context = x0; - I -= 2; - goto do_context_to_binary; - } - - /* Unfortunately, inlining can generate this instruction. */ - OpCase(bs_context_to_binary_y): { - context_to_binary_context = yb(Arg(0)); - goto do_context_to_binary0; - } - - OpCase(bs_context_to_binary_x): { + OpCase(bs_context_to_binary_x): context_to_binary_context = xb(Arg(0)); - - do_context_to_binary0: I--; - } - do_context_to_binary: if (is_boxed(context_to_binary_context) && header_is_bin_matchstate(*boxed_val(context_to_binary_context))) { ErlBinMatchState* ms; @@ -4739,17 +4429,11 @@ do { \ } Next(2); - OpCase(i_bs_get_binary_all_reuse_rfI): { - context_to_binary_context = x0; - goto do_bs_get_binary_all_reuse; - } - OpCase(i_bs_get_binary_all_reuse_xfI): { context_to_binary_context = xb(Arg(0)); I++; } - do_bs_get_binary_all_reuse: mb = ms_matchbuffer(context_to_binary_context); size = mb->size - mb->offset; if (size % Arg(1) != 0) { @@ -4777,16 +4461,11 @@ do { \ { Eterm match_string_context; - OpCase(i_bs_match_string_rfII): { - match_string_context = r(0); - goto do_bs_match_string; - } OpCase(i_bs_match_string_xfII): { match_string_context = xb(Arg(0)); I++; } - do_bs_match_string: { BeamInstr *next; byte* bytes; @@ -4814,14 +4493,6 @@ do { \ } } - OpCase(i_bs_save2_rI): { - BeamInstr *next; - ErlBinMatchState *_ms; - PreFetch(1, next); - _ms = (ErlBinMatchState*) boxed_val((Eterm) r(0)); - _ms->save_offset[Arg(0)] = _ms->mb.offset; - NextPF(1, next); - } OpCase(i_bs_save2_xI): { BeamInstr *next; ErlBinMatchState *_ms; @@ -4831,14 +4502,6 @@ do { \ NextPF(2, next); } - OpCase(i_bs_restore2_rI): { - BeamInstr *next; - ErlBinMatchState *_ms; - PreFetch(1, next); - _ms = (ErlBinMatchState*) boxed_val((Eterm) r(0)); - _ms->mb.offset = _ms->save_offset[Arg(0)]; - NextPF(1, next); - } OpCase(i_bs_restore2_xI): { BeamInstr *next; ErlBinMatchState *_ms; @@ -4886,9 +4549,7 @@ do { \ BeamInstr real_I; ASSERT(I[-5] == (BeamInstr) BeamOp(op_i_func_info_IaaI)); SWAPOUT; - reg[0] = r(0); real_I = erts_generic_breakpoint(c_p, I, reg); - r(0) = reg[0]; SWAPIN; ASSERT(VALID_INSTR(real_I)); Goto(real_I); @@ -4948,7 +4609,7 @@ do { \ BeamInstr *next; PreFetch(2, next); - GetR(0, targ1); + targ1 = REG_TARGET(Arg(0)); /* Arg(0) == HEADER_FLONUM */ GET_DOUBLE(targ1, *(FloatDef*)ADD_BYTE_OFFSET(freg, fr)); NextPF(2, next); @@ -4968,7 +4629,7 @@ do { \ Eterm fr = Arg(1); BeamInstr *next; - GetR(0, targ1); + targ1 = REG_TARGET(Arg(0)); PreFetch(2, next); if (is_small(targ1)) { fb(fr) = (double) signed_val(targ1); @@ -5064,7 +4725,12 @@ do { \ #ifdef HIPE { - unsigned cmd; +#define HIPE_MODE_SWITCH(Cmd) \ + SWAPOUT; \ + c_p->fcalls = FCALLS; \ + c_p->def_arg_reg[4] = -neg_o_reds; \ + c_p = hipe_mode_switch(c_p, Cmd, reg); \ + goto L_post_hipe_mode_switch OpCase(hipe_trap_call): { /* @@ -5078,52 +4744,45 @@ do { \ */ ASSERT(I[-5] == (Uint) OpCode(i_func_info_IaaI)); c_p->hipe.u.ncallee = (void(*)(void)) I[-4]; - cmd = HIPE_MODE_SWITCH_CMD_CALL | (I[-1] << 8); ++hipe_trap_count; - goto L_hipe_mode_switch; + HIPE_MODE_SWITCH(HIPE_MODE_SWITCH_CMD_CALL | (I[-1] << 8)); } OpCase(hipe_trap_call_closure): { ASSERT(I[-5] == (Uint) OpCode(i_func_info_IaaI)); c_p->hipe.u.ncallee = (void(*)(void)) I[-4]; - cmd = HIPE_MODE_SWITCH_CMD_CALL_CLOSURE | (I[-1] << 8); ++hipe_trap_count; - goto L_hipe_mode_switch; + HIPE_MODE_SWITCH(HIPE_MODE_SWITCH_CMD_CALL_CLOSURE | (I[-1] << 8)); } OpCase(hipe_trap_return): { - cmd = HIPE_MODE_SWITCH_CMD_RETURN; - goto L_hipe_mode_switch; + HIPE_MODE_SWITCH(HIPE_MODE_SWITCH_CMD_RETURN); } OpCase(hipe_trap_throw): { - cmd = HIPE_MODE_SWITCH_CMD_THROW; - goto L_hipe_mode_switch; + HIPE_MODE_SWITCH(HIPE_MODE_SWITCH_CMD_THROW); } OpCase(hipe_trap_resume): { - cmd = HIPE_MODE_SWITCH_CMD_RESUME; - goto L_hipe_mode_switch; + HIPE_MODE_SWITCH(HIPE_MODE_SWITCH_CMD_RESUME); } - L_hipe_mode_switch: - /* XXX: this abuse of def_arg_reg[] is horrid! */ - SWAPOUT; - c_p->fcalls = FCALLS; - c_p->def_arg_reg[4] = -neg_o_reds; - reg[0] = r(0); - c_p = hipe_mode_switch(c_p, cmd, reg); +#undef HIPE_MODE_SWITCH + + L_post_hipe_mode_switch: reg = ERTS_PROC_GET_SCHDATA(c_p)->x_reg_array; freg = ERTS_PROC_GET_SCHDATA(c_p)->f_reg_array; ERL_BITS_RELOAD_STATEP(c_p); + /* XXX: this abuse of def_arg_reg[] is horrid! */ neg_o_reds = -c_p->def_arg_reg[4]; FCALLS = c_p->fcalls; SWAPIN; switch( c_p->def_arg_reg[3] ) { case HIPE_MODE_SWITCH_RES_RETURN: ASSERT(is_value(reg[0])); - MoveReturn(reg[0], r(0)); + SET_I(c_p->cp); + c_p->cp = 0; + Goto(*I); case HIPE_MODE_SWITCH_RES_CALL_EXPORTED: c_p->i = c_p->hipe.u.callee_exp->addressv[erts_active_code_ix()]; /*fall through*/ case HIPE_MODE_SWITCH_RES_CALL_BEAM: SET_I(c_p->i); - r(0) = reg[0]; Dispatch(); case HIPE_MODE_SWITCH_RES_CALL_CLOSURE: /* This can be used to call any function value, but currently it's @@ -5134,7 +4793,6 @@ do { \ next = call_fun(c_p, c_p->arity - 1, reg, THE_NON_VALUE); SWAPIN; if (next != NULL) { - r(0) = reg[0]; SET_I(next); Dispatchfun(); } @@ -5194,9 +4852,7 @@ do { \ OpCase(i_debug_breakpoint): { SWAPOUT; - reg[0] = r(0); I = call_error_handler(c_p, I-3, reg, am_breakpoint); - r(0) = reg[0]; SWAPIN; if (I) { Goto(*I); @@ -6587,23 +6243,20 @@ static Eterm get_map_element_hash(Eterm map, Eterm key, Uint32 hx) return vs ? *vs : THE_NON_VALUE; } -#define GET_TERM(term, dest) \ -do { \ - Eterm src = (Eterm)(term); \ - switch (src & _TAG_IMMED1_MASK) { \ - case (R_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER: \ - dest = x(0); \ - break; \ - case (X_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER: \ - dest = x(src >> _TAG_IMMED1_SIZE); \ - break; \ - case (Y_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER: \ - dest = y(src >> _TAG_IMMED1_SIZE); \ - break; \ - default: \ - dest = src; \ - break; \ - } \ +#define GET_TERM(term, dest) \ +do { \ + Eterm src = (Eterm)(term); \ + switch (loader_tag(src)) { \ + case LOADER_X_REG: \ + dest = x(loader_x_reg_index(src)); \ + break; \ + case LOADER_Y_REG: \ + dest = y(loader_y_reg_index(src)); \ + break; \ + default: \ + dest = src; \ + break; \ + } \ } while(0) diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c index 10baab506a..a9d47eb7b0 100644 --- a/erts/emulator/beam/beam_load.c +++ b/erts/emulator/beam/beam_load.c @@ -1847,9 +1847,7 @@ load_code(LoaderState* stp) case TAG_o: break; case TAG_x: - if (last_op->a[arg].val == 0) { - last_op->a[arg].type = TAG_r; - } else if (last_op->a[arg].val >= MAX_REG) { + if (last_op->a[arg].val >= MAX_REG) { LoadError1(stp, "invalid x register number: %u", last_op->a[arg].val); } @@ -2055,7 +2053,42 @@ load_code(LoaderState* stp) if (((opc[specific].mask[0] & mask[0]) == mask[0]) && ((opc[specific].mask[1] & mask[1]) == mask[1]) && ((opc[specific].mask[2] & mask[2]) == mask[2])) { - break; + + if (!opc[specific].involves_r) { + break; /* No complications - match */ + } + + /* + * The specific operation uses the 'r' operand, + * which is shorthand for x(0). Now things + * get complicated. First we must check whether + * all operands that should be of type 'r' use + * x(0) (as opposed to some other X register). + */ + for (arg = 0; arg < arity; arg++) { + if (opc[specific].involves_r & (1 << arg) && + tmp_op->a[arg].type == TAG_x) { + if (tmp_op->a[arg].val != 0) { + break; /* Other X register than 0 */ + } + } + } + + if (arg == arity) { + /* + * All 'r' operands use x(0) in the generic + * operation. That means a match. Now we + * will need to rewrite the generic instruction + * to actually use 'r' instead of 'x(0)'. + */ + for (arg = 0; arg < arity; arg++) { + if (opc[specific].involves_r & (1 << arg) && + tmp_op->a[arg].type == TAG_x) { + tmp_op->a[arg].type = TAG_r; + } + } + break; /* Match */ + } } specific++; } @@ -2166,14 +2199,11 @@ load_code(LoaderState* stp) break; case 's': /* Any source (tagged constant or register) */ switch (tag) { - case TAG_r: - code[ci++] = make_rreg(); - break; case TAG_x: - code[ci++] = make_xreg(tmp_op->a[arg].val); + code[ci++] = make_loader_x_reg(tmp_op->a[arg].val); break; case TAG_y: - code[ci++] = make_yreg(tmp_op->a[arg].val); + code[ci++] = make_loader_y_reg(tmp_op->a[arg].val); break; case TAG_i: code[ci++] = (BeamInstr) make_small((Uint)tmp_op->a[arg].val); @@ -2184,6 +2214,10 @@ load_code(LoaderState* stp) case TAG_n: code[ci++] = NIL; break; + case TAG_q: + new_literal_patch(stp, ci); + code[ci++] = tmp_op->a[arg].val; + break; default: LoadError1(stp, "bad tag %d for general source", tmp_op->a[arg].type); @@ -2192,14 +2226,11 @@ load_code(LoaderState* stp) break; case 'd': /* Destination (x(0), x(N), y(N) */ switch (tag) { - case TAG_r: - code[ci++] = make_rreg(); - break; case TAG_x: - code[ci++] = make_xreg(tmp_op->a[arg].val); + code[ci++] = tmp_op->a[arg].val * sizeof(Eterm); break; case TAG_y: - code[ci++] = make_yreg(tmp_op->a[arg].val); + code[ci++] = tmp_op->a[arg].val * sizeof(Eterm) + 1; break; default: LoadError1(stp, "bad tag %d for destination", @@ -2356,20 +2387,13 @@ load_code(LoaderState* stp) stp->labels[tmp_op->a[arg].val].patches = ci; ci++; break; - case TAG_r: - CodeNeed(1); - code[ci++] = (R_REG_DEF << _TAG_PRIMARY_SIZE) | - TAG_PRIMARY_HEADER; - break; case TAG_x: CodeNeed(1); - code[ci++] = (tmp_op->a[arg].val << _TAG_IMMED1_SIZE) | - (X_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER; + code[ci++] = make_loader_x_reg(tmp_op->a[arg].val); break; case TAG_y: CodeNeed(1); - code[ci++] = (tmp_op->a[arg].val << _TAG_IMMED1_SIZE) | - (Y_REG_DEF << _TAG_PRIMARY_SIZE) | TAG_PRIMARY_HEADER; + code[ci++] = make_loader_y_reg(tmp_op->a[arg].val); break; case TAG_n: CodeNeed(1); @@ -2457,7 +2481,6 @@ load_code(LoaderState* stp) stp->on_load = ci; break; case op_bs_put_string_II: - case op_i_bs_match_string_rfII: case op_i_bs_match_string_xfII: new_string_patch(stp, ci-1); break; @@ -2679,6 +2702,12 @@ same_label(LoaderState* stp, GenOpArg Target, GenOpArg Label) Target.val == Label.val; } +static int +is_killed(LoaderState* stp, GenOpArg Reg, GenOpArg Live) +{ + return Reg.type == TAG_x && Live.type == TAG_u && + Live.val <= Reg.val; +} /* * Generate an instruction for element/2. @@ -2695,17 +2724,17 @@ gen_element(LoaderState* stp, GenOpArg Fail, GenOpArg Index, op->next = NULL; if (Index.type == TAG_i && Index.val > 0 && - (Tuple.type == TAG_r || Tuple.type == TAG_x || Tuple.type == TAG_y)) { + (Tuple.type == TAG_x || Tuple.type == TAG_y)) { op->op = genop_i_fast_element_4; - op->a[0] = Tuple; - op->a[1] = Fail; + op->a[0] = Fail; + op->a[1] = Tuple; op->a[2].type = TAG_u; op->a[2].val = Index.val; op->a[3] = Dst; } else { op->op = genop_i_element_4; - op->a[0] = Tuple; - op->a[1] = Fail; + op->a[0] = Fail; + op->a[1] = Tuple; op->a[2] = Index; op->a[3] = Dst; } @@ -2831,23 +2860,16 @@ gen_get_integer2(LoaderState* stp, GenOpArg Fail, GenOpArg Ms, GenOpArg Live, goto generic; } } else { - GenOp* op2; - NEW_GENOP(stp, op2); - - op->op = genop_i_fetch_2; - op->arity = 2; - op->a[0] = Ms; - op->a[1] = Size; - op->next = op2; - - op2->op = genop_i_bs_get_integer_4; - op2->arity = 4; - op2->a[0] = Fail; - op2->a[1] = Live; - op2->a[2].type = TAG_u; - op2->a[2].val = (Unit.val << 3) | Flags.val; - op2->a[3] = Dst; - op2->next = NULL; + op->op = genop_i_bs_get_integer_6; + op->arity = 6; + op->a[0] = Fail; + op->a[1] = Live; + op->a[2].type = TAG_u; + op->a[2].val = (Unit.val << 3) | Flags.val; + op->a[3] = Ms; + op->a[4] = Size; + op->a[5] = Dst; + op->next = NULL; return op; } op->next = NULL; @@ -3898,9 +3920,7 @@ gen_make_fun2(LoaderState* stp, GenOpArg idx) /* * Rewrite gc_bifs with one parameter (the common case). Utilized * in ops.tab to rewrite instructions calling bif's in guards - * to use a garbage collecting implementation. The instructions - * are sometimes once again rewritten to handle literals (putting the - * parameter in the mostly unused r[0] before the instruction is executed). + * to use a garbage collecting implementation. */ static GenOp* gen_guard_bif1(LoaderState* stp, GenOpArg Fail, GenOpArg Live, GenOpArg Bif, @@ -3955,10 +3975,6 @@ gen_guard_bif1(LoaderState* stp, GenOpArg Fail, GenOpArg Live, GenOpArg Bif, /* * This is used by the ops.tab rule that rewrites gc_bifs with two parameters. - * The instruction returned is then again rewritten to an i_load instruction - * followed by i_gc_bif2_jIId, to handle literals properly. - * As opposed to the i_gc_bif1_jIsId, the instruction i_gc_bif2_jIId is - * always rewritten, regardless of if there actually are any literals. */ static GenOp* gen_guard_bif2(LoaderState* stp, GenOpArg Fail, GenOpArg Live, GenOpArg Bif, @@ -3985,23 +4001,19 @@ gen_guard_bif2(LoaderState* stp, GenOpArg Fail, GenOpArg Live, GenOpArg Bif, op->a[2].val = stp->import[Bif.val].arity; return op; } - op->op = genop_ii_gc_bif2_6; + op->op = genop_i_gc_bif2_6; op->arity = 6; op->a[0] = Fail; op->a[1].type = TAG_u; - op->a[2] = S1; - op->a[3] = S2; - op->a[4] = Live; + op->a[2] = Live; + op->a[3] = S1; + op->a[4] = S2; op->a[5] = Dst; return op; } /* * This is used by the ops.tab rule that rewrites gc_bifs with three parameters. - * The instruction returned is then again rewritten to a move instruction that - * uses r[0] for temp storage, followed by an i_load instruction, - * followed by i_gc_bif3_jIsId, to handle literals properly. Rewriting - * always occur, as with the gc_bif2 counterpart. */ static GenOp* gen_guard_bif3(LoaderState* stp, GenOpArg Fail, GenOpArg Live, GenOpArg Bif, @@ -4032,10 +4044,10 @@ gen_guard_bif3(LoaderState* stp, GenOpArg Fail, GenOpArg Live, GenOpArg Bif, op->arity = 7; op->a[0] = Fail; op->a[1].type = TAG_u; - op->a[2] = S1; - op->a[3] = S2; - op->a[4] = S3; - op->a[5] = Live; + op->a[2] = Live; + op->a[3] = S1; + op->a[4] = S2; + op->a[5] = S3; op->a[6] = Dst; op->next = NULL; return op; @@ -4322,7 +4334,7 @@ gen_has_map_fields(LoaderState* stp, GenOpArg Fail, GenOpArg Src, for (i = 0; i < n; i++) { op->a[3+2*i] = Rest[i]; op->a[3+2*i+1].type = TAG_x; - op->a[3+2*i+1].val = 0; /* x(0); normally not used */ + op->a[3+2*i+1].val = SCRATCH_X_REG; /* Ignore result */ } return op; } @@ -4800,7 +4812,8 @@ transform_engine(LoaderState* st) if (var[i].type != instr->a[ap].type) goto restart; switch (var[i].type) { - case TAG_r: case TAG_n: break; + case TAG_n: + break; default: if (var[i].val != instr->a[ap].val) goto restart; @@ -5867,7 +5880,7 @@ make_stub(BeamInstr* fp, Eterm mod, Eterm func, Uint arity, Uint native, BeamIns fp[4] = arity; #ifdef HIPE if (native) { - fp[5] = BeamOpCode(op_move_return_nr); + fp[5] = BeamOpCode(op_move_return_n); hipe_mfa_save_orig_beam_op(mod, func, arity, fp+5); } #endif @@ -6303,7 +6316,7 @@ erts_make_stub_module(Process* p, Eterm Mod, Eterm Beam, Eterm Info) #ifdef HIPE op = (Eterm) BeamOpCode(op_hipe_trap_call); /* Might be changed later. */ #else - op = (Eterm) BeamOpCode(op_move_return_nr); + op = (Eterm) BeamOpCode(op_move_return_n); #endif fp = make_stub(fp, Mod, func, arity, (Uint)native_address, op); } diff --git a/erts/emulator/beam/beam_load.h b/erts/emulator/beam/beam_load.h index d5af634fad..eedb5ee4cd 100644 --- a/erts/emulator/beam/beam_load.h +++ b/erts/emulator/beam/beam_load.h @@ -52,6 +52,7 @@ extern BeamInstr* em_call_error_handler; extern BeamInstr* em_apply_bif; extern BeamInstr* em_call_nif; + /* * The following variables keep a sorted list of address ranges for * each module. It allows us to quickly find a function given an diff --git a/erts/emulator/beam/erl_term.c b/erts/emulator/beam/erl_term.c index 89459fb278..3a5fbcc284 100644 --- a/erts/emulator/beam/erl_term.c +++ b/erts/emulator/beam/erl_term.c @@ -173,9 +173,7 @@ ET_DEFINE_CHECKED(Uint,external_thing_data_words,ExternalThing*,is_thing_ptr); ET_DEFINE_CHECKED(Eterm,make_cp,UWord *,_is_taggable_pointer); ET_DEFINE_CHECKED(UWord *,cp_val,Eterm,is_CP); ET_DEFINE_CHECKED(Uint,catch_val,Eterm,is_catch); -ET_DEFINE_CHECKED(Uint,x_reg_offset,Uint,_is_xreg); -ET_DEFINE_CHECKED(Uint,y_reg_offset,Uint,_is_yreg); -ET_DEFINE_CHECKED(Uint,x_reg_index,Uint,_is_xreg); -ET_DEFINE_CHECKED(Uint,y_reg_index,Uint,_is_yreg); +ET_DEFINE_CHECKED(Uint,loader_x_reg_index,Uint,_is_loader_x_reg); +ET_DEFINE_CHECKED(Uint,loader_y_reg_index,Uint,_is_loader_y_reg); #endif /* ET_DEBUG */ diff --git a/erts/emulator/beam/erl_term.h b/erts/emulator/beam/erl_term.h index b928e4ca1e..089eecf024 100644 --- a/erts/emulator/beam/erl_term.h +++ b/erts/emulator/beam/erl_term.h @@ -1027,44 +1027,40 @@ _ET_DECLARE_CHECKED(Uint,catch_val,Eterm) /* * Overloaded tags. * - * SMALL = 15 - * ATOM/NIL=7 + * In the loader, we want to tag a term in a way so that it can + * be any literal (atom/integer/float/tuple/list/binary) or a + * register. * - * Note that the two least significant bits in SMALL/ATOM/NIL always are 3; - * thus, we can distinguish register from literals by looking at only these - * two bits. + * We can achive that by overloading the PID and PORT tags to + * mean X and Y registers. That works because there are no + * pid or port literals. */ -#define X_REG_DEF 0 -#define Y_REG_DEF 1 -#define R_REG_DEF 2 +#define _LOADER_TAG_XREG _TAG_IMMED1_PID +#define _LOADER_TAG_YREG _TAG_IMMED1_PORT +#define _LOADER_TAG_SIZE _TAG_IMMED1_SIZE +#define _LOADER_MASK _TAG_IMMED1_MASK -#define beam_reg_tag(x) ((x) & 3) +#define LOADER_X_REG _LOADER_TAG_XREG +#define LOADER_Y_REG _LOADER_TAG_YREG -#define make_rreg() R_REG_DEF -#define make_xreg(ix) (((ix) * sizeof(Eterm)) | X_REG_DEF) -#define make_yreg(ix) (((ix) * sizeof(Eterm)) | Y_REG_DEF) +#define make_loader_x_reg(R) (((R) << _LOADER_TAG_SIZE) | _LOADER_TAG_XREG) +#define make_loader_y_reg(R) (((R) << _LOADER_TAG_SIZE) | _LOADER_TAG_YREG) -#define _is_xreg(x) (beam_reg_tag(x) == X_REG_DEF) -#define _is_yreg(x) (beam_reg_tag(x) == Y_REG_DEF) +#define loader_reg_index(R) ((R) >> _LOADER_TAG_SIZE) -#define _unchecked_x_reg_offset(R) ((R) - X_REG_DEF) -_ET_DECLARE_CHECKED(Uint,x_reg_offset,Uint) -#define x_reg_offset(R) _ET_APPLY(x_reg_offset,(R)) +#define loader_tag(T) ((T) & _LOADER_MASK) -#define _unchecked_y_reg_offset(R) ((R) - Y_REG_DEF) -_ET_DECLARE_CHECKED(Uint,y_reg_offset,Uint) -#define y_reg_offset(R) _ET_APPLY(y_reg_offset,(R)) +#define _is_loader_x_reg(x) (loader_tag(x) == _LOADER_TAG_XREG) +#define _is_loader_y_reg(x) (loader_tag(x) == _LOADER_TAG_YREG) -#define reg_index(R) ((R) / sizeof(Eterm)) +#define _unchecked_loader_x_reg_index(R) ((R) >> _LOADER_TAG_SIZE) +_ET_DECLARE_CHECKED(Uint,loader_x_reg_index,Uint) +#define loader_x_reg_index(R) _ET_APPLY(loader_x_reg_index,(R)) -#define _unchecked_x_reg_index(R) ((R) >> 2) -_ET_DECLARE_CHECKED(Uint,x_reg_index,Uint) -#define x_reg_index(R) _ET_APPLY(x_reg_index,(R)) - -#define _unchecked_y_reg_index(R) ((R) >> 2) -_ET_DECLARE_CHECKED(Uint,y_reg_index,Uint) -#define y_reg_index(R) _ET_APPLY(y_reg_index,(R)) +#define _unchecked_loader_y_reg_index(R) ((R) >> _LOADER_TAG_SIZE) +_ET_DECLARE_CHECKED(Uint,loader_y_reg_index,Uint) +#define loader_y_reg_index(R) _ET_APPLY(loader_y_reg_index,(R)) /* * Backwards compatibility definitions: diff --git a/erts/emulator/beam/erl_vm.h b/erts/emulator/beam/erl_vm.h index cfc978b5a5..98f27a1725 100644 --- a/erts/emulator/beam/erl_vm.h +++ b/erts/emulator/beam/erl_vm.h @@ -141,6 +141,7 @@ typedef struct op_entry { char* name; /* Name of instruction. */ Uint32 mask[3]; /* Signature mask. */ + unsigned involves_r; /* Needs special attention when matching. */ int sz; /* Number of loaded words. */ char* pack; /* Instructions for packing engine. */ char* sign; /* Signature string. */ diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab index 1d32e72247..46fefb88af 100644 --- a/erts/emulator/beam/ops.tab +++ b/erts/emulator/beam/ops.tab @@ -39,8 +39,8 @@ too_old_compiler | never() => # necessary.) Since the instructions don't work correctly in R12B, simply # refuse to load the module. -func_info M=a a==am_module_info A=u==0 | label L | move n r => too_old_compiler -func_info M=a a==am_module_info A=u==1 | label L | move n r => too_old_compiler +func_info M=a a==am_module_info A=u==0 | label L | move n x==0 => too_old_compiler +func_info M=a a==am_module_info A=u==1 | label L | move n x==0 => too_old_compiler # The undocumented and unsupported guard BIF is_constant/1 was removed # in R13. The is_constant/2 operation is marked as obsolete in genop.tab, @@ -76,17 +76,6 @@ return # with the following call instruction, we need to make sure that # there is no line/1 instruction between the move and the call. # - -move S r | line Loc | call_ext Ar Func => \ - line Loc | move S r | call_ext Ar Func -move S r | line Loc | call_ext_last Ar Func=u$is_bif D => \ - line Loc | move S r | call_ext_last Ar Func D -move S r | line Loc | call_ext_only Ar Func=u$is_bif => \ - line Loc | move S r | call_ext_only Ar Func -move S r | line Loc | call Ar Func => \ - line Loc | move S r | call Ar Func - -# # A tail-recursive call to an external function (non-BIF) will # never be saved on the stack, so there is no reason to keep # the line instruction. (The compiler did not remove the line @@ -94,10 +83,14 @@ move S r | line Loc | call Ar Func => \ # BIFs and ordinary Erlang functions.) # -line Loc | call_ext_last Ar Func=u$is_not_bif D => \ - call_ext_last Ar Func D -line Loc | call_ext_only Ar Func=u$is_not_bif => \ - call_ext_only Ar Func +move S X0=x==0 | line Loc | call_ext Ar Func => \ + line Loc | move S X0 | call_ext Ar Func +move S X0=x==0 | line Loc | call_ext_last Ar Func=u$is_not_bif D => \ + move S X0 | call_ext_last Ar Func D +move S X0=x==0 | line Loc | call_ext_only Ar Func=u$is_not_bif => \ + move S X0 | call_ext_only Ar Func +move S X0=x==0 | line Loc | call Ar Func => \ + line Loc | move S X0 | call Ar Func line Loc | func_info M F A => func_info M F A | line Loc @@ -167,31 +160,24 @@ is_tuple Fail=f S | select_tuple_arity S=d Fail=f Size=u Rest=* => \ select_tuple_arity S=d Fail=f Size=u Rest=* => \ gen_select_tuple_arity(S, Fail, Size, Rest) -i_select_val_bins r f I i_select_val_bins x f I i_select_val_bins y f I -i_select_val_lins r f I i_select_val_lins x f I i_select_val_lins y f I -i_select_val2 r f c c f f i_select_val2 x f c c f f i_select_val2 y f c c f f -i_select_tuple_arity r f I i_select_tuple_arity x f I i_select_tuple_arity y f I -i_select_tuple_arity2 r f A A f f i_select_tuple_arity2 x f A A f f i_select_tuple_arity2 y f A A f f -i_jump_on_val_zero r f I i_jump_on_val_zero x f I i_jump_on_val_zero y f I -i_jump_on_val r f I I i_jump_on_val x f I I i_jump_on_val y f I I @@ -203,30 +189,21 @@ is_ne_exact L1 S1 S2 | jump Fail | label L2 | same_label(L1, L2) => \ %macro: get_list GetList -pack get_list x x x get_list x x y -get_list x x r get_list x y x get_list x y y -get_list x y r -get_list x r x -get_list x r y get_list y x x get_list y x y -get_list y x r get_list y y x get_list y y y -get_list y y r -get_list y r x -get_list y r y +# The following get_list instructions using x(0) are frequently used. get_list r x x +get_list r r y +get_list x r x get_list r x y -get_list r x r -get_list r y x -get_list r y y get_list r y r -get_list r r x -get_list r r y +get_list r x r # Old-style catch. catch y f @@ -237,33 +214,31 @@ try Y F => catch Y F try_case Y => try_end Y try_end y -try_case_end Literal=q => move Literal x | try_case_end x try_case_end s # Destructive set tuple element -set_tuple_element Lit=q Tuple Pos => move Lit x | set_tuple_element x Tuple Pos set_tuple_element s d P # Get tuple element %macro: i_get_tuple_element GetTupleElement -pack i_get_tuple_element x P x -i_get_tuple_element r P x i_get_tuple_element y P x -i_get_tuple_element x P r -i_get_tuple_element y P r %cold -i_get_tuple_element r P r i_get_tuple_element x P y -i_get_tuple_element r P y i_get_tuple_element y P y %hot +%macro: i_get_tuple_element2 GetTupleElement2 -pack +i_get_tuple_element2 x P x + +%macro: i_get_tuple_element3 GetTupleElement3 -pack +i_get_tuple_element3 x P x + %macro: is_number IsNumber -fail_action %cold -is_number f r is_number f x is_number f y %hot @@ -273,16 +248,12 @@ is_number Fail Literal=q => move Literal x | is_number Fail x jump f -case_end Literal=cq => move Literal x | case_end x -badmatch Literal=cq => move Literal x | badmatch x +case_end NotInX=cy => move NotInX x | case_end x +badmatch NotInX=cy => move NotInX x | badmatch x -case_end r case_end x -case_end y -badmatch r badmatch x -badmatch y if_end raise s s @@ -291,7 +262,7 @@ raise s s badarg j system_limit j -move C=cxy r | jump Lbl => move_jump Lbl C +move C=cxy x==0 | jump Lbl => move_jump Lbl C %macro: move_jump MoveJump -nonext move_jump f n @@ -309,8 +280,6 @@ move_window/6 # x -> y -move S1=r S2=y | move X1=x Y1=y => move2 S1 S2 X1 Y1 - move X1=x Y1=y | move X2=x Y2=y | move X3=x Y3=y | succ(Y1,Y2) | succ(Y2,Y3) => \ move_window X1 X2 X3 Y1 Y3 @@ -323,24 +292,76 @@ move_window X1=x X2=x X3=x X4=x Y1=y Y4=y | move X5=x Y5=y | succ(Y4,Y5) => \ move_window X1=x X2=x X3=x Y1=y Y3=y => move_window3 X1 X2 X3 Y1 move_window X1=x X2=x X3=x X4=x Y1=y Y4=y => move_window4 X1 X2 X3 X4 Y1 +%macro: move_window3 MoveWindow3 -pack +%macro: move_window4 MoveWindow4 -pack +%macro: move_window5 MoveWindow5 -pack + move_window3 x x x y move_window4 x x x x y move_window5 x x x x x y -move X1=x Y1=y | move X2=x Y2=y => move2 X1 Y1 X2 Y2 -move Y1=y X1=x | move Y2=y X2=x => move2 Y1 X1 Y2 X2 -move X1=x X2=x | move X3=x X4=x => move2 X1 X2 X3 X4 +# Swap registers. +move R1=x Tmp=x | move R2=xy R1 | move Tmp R2 => swap_temp R1 R2 Tmp + +swap_temp R1 R2 Tmp | line Loc | apply Live | is_killed(Tmp, Live) => \ + swap R1 R2 | line Loc | apply Live + +swap_temp R1 R2 Tmp | line Loc | call Live Addr | is_killed(Tmp, Live) => \ + swap R1 R2 | line Loc | call Live Addr +swap_temp R1 R2 Tmp | call_only Live Addr | \ + is_killed(Tmp, Live) => swap R1 R2 | call_only Live Addr +swap_temp R1 R2 Tmp | call_last Live Addr D | \ + is_killed(Tmp, Live) => swap R1 R2 | call_last Live Addr D -move S1=x S2=r | move S3=x S4=x => move2 S1 S2 S3 S4 -move S1=x S2=r | move X1=x Y1=y => move2 S1 S2 X1 Y1 -move S1=y S2=r | move X1=x Y1=y => move2 S1 S2 X1 Y1 +swap_temp R1 R2 Tmp | line Loc | call_ext Live Addr | is_killed(Tmp, Live) => \ + swap R1 R2 | line Loc | call_ext Live Addr +swap_temp R1 R2 Tmp | line Loc | call_ext_only Live Addr | \ + is_killed(Tmp, Live) => swap R1 R2 | line Loc | call_ext_only Live Addr +swap_temp R1 R2 Tmp | line Loc | call_ext_last Live Addr D | \ + is_killed(Tmp, Live) => swap R1 R2 | line Loc | call_ext_last Live Addr D -move Y1=y X1=x | move S1=r D1=x => move2 Y1 X1 S1 D1 -move S1=r D1=x | move Y1=y X1=x => move2 S1 D1 Y1 X1 +%macro: swap_temp SwapTemp -pack +swap_temp x x x +swap_temp x y x -move2 X1=x Y1=y X2=x Y2=y | move X3=x Y3=y => move3 X1 Y1 X2 Y2 X3 Y3 -move2 Y1=y X1=x Y2=y X2=x | move Y3=y X3=x => move3 Y1 X1 Y2 X2 Y3 X3 -move2 X1=x X2=x X3=x X4=x | move X5=x X6=x => move3 X1 X2 X3 X4 X5 X6 +%macro: swap Swap -pack +swap x x +swap x y + +move Src=x D1=x | move Src=x D2=x => move_dup Src D1 D2 +move Src=x SD=x | move SD=x D=x => move_dup Src SD D +move Src=x D1=x | move Src=x D2=y => move_dup Src D1 D2 +move Src=y SD=x | move SD=x D=y => move_dup Src SD D +move Src=x SD=x | move SD=x D=y => move_dup Src SD D +move Src=y SD=x | move SD=x D=x => move_dup Src SD D + +move SD=x D=x | move Src=xy SD=x => move_shift Src SD D +move SD=y D=x | move Src=x SD=y => move_shift Src SD D +move SD=x D=y | move Src=x SD=x => move_shift Src SD D + +# The transformations above guarantee that the source for +# the second move is not the same as the destination for +# the first move. That means that we can do the moves in +# parallel (fetch both values, then store them) which could +# be faster. + +move X1=x Y1=y | move X2=x Y2=y => move2_par X1 Y1 X2 Y2 +move Y1=y X1=x | move Y2=y X2=x => move2_par Y1 X1 Y2 X2 + +move X1=x X2=x | move X3=x X4=x => move2_par X1 X2 X3 X4 + +move X1=x X2=x | move X3=x Y1=y => move2_par X1 X2 X3 Y1 + +move S1=x S2=x | move X1=x Y1=y => move2_par S1 S2 X1 Y1 + +move S1=y S2=x | move X1=x Y1=y => move2_par S1 S2 X1 Y1 + +move Y1=y X1=x | move S1=x D1=x => move2_par Y1 X1 S1 D1 +move S1=x D1=x | move Y1=y X1=x => move2_par S1 D1 Y1 X1 + +move2_par X1=x Y1=y X2=x Y2=y | move X3=x Y3=y => move3 X1 Y1 X2 Y2 X3 Y3 +move2_par Y1=y X1=x Y2=y X2=x | move Y3=y X3=x => move3 Y1 X1 Y2 X2 Y3 X3 +move2_par X1=x X2=x X3=x X4=x | move X5=x X6=x => move3 X1 X2 X3 X4 X5 X6 move C=aiq X=x==1 => move_x1 C move C=aiq X=x==2 => move_x2 C @@ -348,21 +369,32 @@ move C=aiq X=x==2 => move_x2 C move_x1 c move_x2 c -%macro: move2 Move2 -pack -move2 x y x y -move2 y x y x -move2 x x x x +%macro: move_shift MoveShift -pack +move_shift x x x +move_shift y x x +move_shift x y x +move_shift x x y + +%macro: move_dup MoveDup -pack +move_dup x x x +move_dup x x y +move_dup y x x +move_dup y x y -move2 x r x x +%macro: move2_par Move2Par -pack -move2 x r x y -move2 r y x y -move2 y r x y +move2_par x y x y +move2_par y x y x +move2_par x x x x -move2 r x y x -move2 y x r x +move2_par x x x y -%macro: move3 Move3 +move2_par y x x y + +move2_par x x y x +move2_par y x x x + +%macro: move3 Move3 -pack move3 x y x y x y move3 y x y x y x move3 x x x x x x @@ -375,20 +407,22 @@ move S=c D=y => move S x | move x D %macro:move Move -pack -gen_dest move x x move x y -move x r move y x -move y r -move r x -move r y -move c r move c x move n x -move n r move y y +# The following move instructions using x(0) are frequently used. + +move x r +move r x +move y r +move c r +move r y + # Receive operations. -loop_rec Fail Src | smp_mark_target_label(Fail) => i_loop_rec Fail Src +loop_rec Fail x==0 | smp_mark_target_label(Fail) => i_loop_rec Fail label L | wait_timeout Fail Src | smp_already_locked(L) => label L | i_wait_timeout_locked Fail Src wait_timeout Fail Src => i_wait_timeout Fail Src @@ -403,7 +437,7 @@ label L | timeout | smp_already_locked(L) => label L | timeout_locked remove_message timeout timeout_locked -i_loop_rec f r +i_loop_rec f loop_rec_end f wait f wait_locked f @@ -421,93 +455,57 @@ send # Optimized comparisons with one immediate/literal operand. # -is_eq_exact Lbl R=rxy C=ian => i_is_eq_exact_immed Lbl R C -is_eq_exact Lbl R=rxy C=q => i_is_eq_exact_literal R Lbl C +is_eq_exact Lbl R=xy C=ian => i_is_eq_exact_immed Lbl R C +is_eq_exact Lbl R=xy C=q => i_is_eq_exact_literal Lbl R C -is_ne_exact Lbl R=rxy C=ian => i_is_ne_exact_immed Lbl R C -is_ne_exact Lbl R=rxy C=q => i_is_ne_exact_literal R Lbl C +is_ne_exact Lbl R=xy C=ian => i_is_ne_exact_immed Lbl R C +is_ne_exact Lbl R=xy C=q => i_is_ne_exact_literal Lbl R C %macro: i_is_eq_exact_immed EqualImmed -fail_action i_is_eq_exact_immed f r c i_is_eq_exact_immed f x c i_is_eq_exact_immed f y c -i_is_eq_exact_literal r f c -i_is_eq_exact_literal x f c -i_is_eq_exact_literal y f c +i_is_eq_exact_literal f x c +i_is_eq_exact_literal f y c %macro: i_is_ne_exact_immed NotEqualImmed -fail_action -i_is_ne_exact_immed f r c i_is_ne_exact_immed f x c i_is_ne_exact_immed f y c -i_is_ne_exact_literal r f c -i_is_ne_exact_literal x f c -i_is_ne_exact_literal y f c - -# -# Common Compare Specializations -# We don't do all of them since we want -# to keep the instruction set small-ish -# - -is_eq_exact Lbl S1=xy S2=r => is_eq_exact Lbl S2 S1 -is_eq_exact Lbl S1=rx S2=xy => i_is_eq_exact_spec Lbl S1 S2 -%macro: i_is_eq_exact_spec EqualExact -fail_action - -i_is_eq_exact_spec f x x -i_is_eq_exact_spec f x y -i_is_eq_exact_spec f r x -i_is_eq_exact_spec f r y -%cold -i_is_eq_exact_spec f r r -%hot +i_is_ne_exact_literal f x c +i_is_ne_exact_literal f y c -is_lt Lbl S1=rxc S2=rxc => i_is_lt_spec Lbl S1 S2 +is_eq_exact Lbl Y=y X=x => is_eq_exact Lbl X Y +%macro: is_eq_exact EqualExact -fail_action -pack +is_eq_exact f x x +is_eq_exact f x y +is_eq_exact f s s -%macro: i_is_lt_spec IsLessThan -fail_action - -i_is_lt_spec f x x -i_is_lt_spec f x r -i_is_lt_spec f x c -i_is_lt_spec f r x -i_is_lt_spec f r c -i_is_lt_spec f c x -i_is_lt_spec f c r +%macro: is_lt IsLessThan -fail_action +is_lt f x x +is_lt f x c +is_lt f c x %cold -i_is_lt_spec f r r -i_is_lt_spec f c c +is_lt f s s %hot -is_ge Lbl S1=xc S2=xc => i_is_ge_spec Lbl S1 S2 - -%macro: i_is_ge_spec IsGreaterEqual -fail_action - -i_is_ge_spec f x x -i_is_ge_spec f x c -i_is_ge_spec f c x +%macro: is_ge IsGreaterEqual -fail_action +is_ge f x x +is_ge f x c +is_ge f c x %cold -i_is_ge_spec f c c +is_ge f s s %hot -# -# All other comparisons. -# +%macro: is_ne_exact NotEqualExact -fail_action +is_ne_exact f s s -is_eq_exact Lbl S1 S2 => i_fetch S1 S2 | i_is_eq_exact Lbl -is_ne_exact Lbl S1 S2 => i_fetch S1 S2 | i_is_ne_exact Lbl +%macro: is_eq Equal -fail_action +is_eq f s s -is_lt Lbl S1 S2 => i_fetch S1 S2 | i_is_lt Lbl -is_ge Lbl S1 S2 => i_fetch S1 S2 | i_is_ge Lbl -is_eq Lbl S1 S2 => i_fetch S1 S2 | i_is_eq Lbl -is_ne Lbl S1 S2 => i_fetch S1 S2 | i_is_ne Lbl - -i_is_eq_exact f -i_is_ne_exact f -i_is_lt f -i_is_ge f -i_is_eq f -i_is_ne f +%macro: is_ne NotEqual -fail_action +is_ne f s s # # Putting things. @@ -525,7 +523,6 @@ i_put_tuple Dst Arity Puts=* | put S => \ i_put_tuple/2 %macro:i_put_tuple PutTuple -pack -goto:do_put_tuple -i_put_tuple r I i_put_tuple x I i_put_tuple y I @@ -542,74 +539,36 @@ put_list x n x put_list y n x put_list x x x put_list y x x -put_list x x r -put_list y r r put_list y y x put_list x y x -put_list r x x -put_list r y x -put_list r x r -put_list y y r -put_list y r x -put_list r n x -put_list x r x -put_list x y r -put_list y x r put_list y x x -put_list x r r - # put_list SrcReg Constant Dst -put_list r c r -put_list r c x -put_list r c y -put_list x c r put_list x c x put_list x c y -put_list y c r put_list y c x -put_list y c y # put_list Constant SrcReg Dst -put_list c r r -put_list c r x -put_list c r y -put_list c x r put_list c x x -put_list c x y - -put_list c y r put_list c y x -put_list c y y -%cold -put_list s s d -%hot +# The following put_list instructions using x(0) are frequently used. -%macro: i_fetch FetchArgs -pack -i_fetch c r -i_fetch c x -i_fetch c y -i_fetch r c -i_fetch r x -i_fetch r y -i_fetch x c -i_fetch x r -i_fetch x x -i_fetch x y -i_fetch y c -i_fetch y r -i_fetch y x -i_fetch y y +put_list y r r +put_list x r r +put_list r n r +put_list r n x +put_list r x x +put_list r x r +put_list x x r %cold -i_fetch c c -i_fetch s s +put_list s s d %hot # @@ -631,27 +590,27 @@ return_trace # Note: There is no 'move_return y r', since there never are any y registers # when we do move_return (if we have y registers, we must do move_deallocate_return). -move S r | return => move_return S r +move S x==0 | return => move_return S %macro: move_return MoveReturn -nonext -move_return x r -move_return c r -move_return n r +move_return x +move_return c +move_return n -move S r | deallocate D | return => move_deallocate_return S r D +move S x==0 | deallocate D | return => move_deallocate_return S D %macro: move_deallocate_return MoveDeallocateReturn -pack -nonext -move_deallocate_return x r Q -move_deallocate_return y r Q -move_deallocate_return c r Q -move_deallocate_return n r Q +move_deallocate_return x Q +move_deallocate_return y Q +move_deallocate_return c Q +move_deallocate_return n Q deallocate D | return => deallocate_return D %macro: deallocate_return DeallocateReturn -nonext deallocate_return Q -test_heap Need u==1 | put_list Y=y r r => test_heap_1_put_list Need Y +test_heap Need u==1 | put_list Y=y x==0 x==0 => test_heap_1_put_list Need Y %macro: test_heap_1_put_list TestHeapPutList -pack test_heap_1_put_list I y @@ -660,18 +619,18 @@ test_heap_1_put_list I y is_tuple Fail Literal=q => move Literal x | is_tuple Fail x is_tuple Fail=f c => jump Fail -is_tuple Fail=f S=rxy | test_arity Fail=f S=rxy Arity => is_tuple_of_arity Fail S Arity +is_tuple Fail=f S=xy | test_arity Fail=f S=xy Arity => is_tuple_of_arity Fail S Arity %macro:is_tuple_of_arity IsTupleOfArity -fail_action +is_tuple_of_arity f r A is_tuple_of_arity f x A is_tuple_of_arity f y A -is_tuple_of_arity f r A %macro: is_tuple IsTuple -fail_action +is_tuple f r is_tuple f x is_tuple f y -is_tuple f r test_arity Fail Literal=q Arity => move Literal x | test_arity Fail x Arity test_arity Fail=f c Arity => jump Fail @@ -679,95 +638,63 @@ test_arity Fail=f c Arity => jump Fail %macro: test_arity IsArity -fail_action test_arity f x A test_arity f y A -test_arity f r A - -is_tuple_of_arity Fail=f Reg Arity | get_tuple_element Reg P=u==0 Dst=xy => \ - is_tuple_of_arity Fail Reg Arity | extract_next_element Dst | original_reg Reg P - -test_arity Fail Reg Arity | get_tuple_element Reg P=u==0 Dst=xy => \ - test_arity Fail Reg Arity | extract_next_element Dst | original_reg Reg P - -original_reg Reg P1 | get_tuple_element Reg P2 Dst=xy | succ(P1, P2) => \ - extract_next_element Dst | original_reg Reg P2 - -get_tuple_element Reg P Dst => i_get_tuple_element Reg P Dst | original_reg Reg P - -original_reg Reg Pos => - -original_reg/2 - -extract_next_element D1=xy | original_reg Reg P1 | get_tuple_element Reg P2 D2=xy | \ -succ(P1, P2) | succ(D1, D2) => \ - extract_next_element2 D1 | original_reg Reg P2 - -extract_next_element2 D1=xy | original_reg Reg P1 | get_tuple_element Reg P2 D2=xy | \ -succ(P1, P2) | succ2(D1, D2) => \ - extract_next_element3 D1 | original_reg Reg P2 - -#extract_next_element3 D1=xy | original_reg Reg P1 | get_tuple_element Reg P2 D2=xy | \ -#succ(P1, P2) | succ3(D1, D2) => \ -# extract_next_element4 D1 | original_reg Reg P2 - -%macro: extract_next_element ExtractNextElement -pack -extract_next_element x -extract_next_element y -%macro: extract_next_element2 ExtractNextElement2 -pack -extract_next_element2 x -extract_next_element2 y +get_tuple_element Reg=x P1 D1=x | get_tuple_element Reg=x P2 D2=x | \ + get_tuple_element Reg=x P3 D3=x | \ + succ(P1, P2) | succ(P2, P3) | \ + succ(D1, D2) | succ(D2, D3) => i_get_tuple_element3 Reg P1 D1 -%macro: extract_next_element3 ExtractNextElement3 -pack -extract_next_element3 x -extract_next_element3 y +get_tuple_element Reg=x P1 D1=x | get_tuple_element Reg=x P2 D2=x | \ + succ(P1, P2) | succ(D1, D2) => i_get_tuple_element2 Reg P1 D1 -#%macro: extract_next_element4 ExtractNextElement4 -pack -#extract_next_element4 x -#extract_next_element4 y +get_tuple_element Reg P Dst => i_get_tuple_element Reg P Dst is_integer Fail=f i => is_integer Fail=f an => jump Fail is_integer Fail Literal=q => move Literal x | is_integer Fail x -is_integer Fail=f S=rx | allocate Need Regs => is_integer_allocate Fail S Need Regs +is_integer Fail=f S=x | allocate Need Regs => is_integer_allocate Fail S Need Regs %macro: is_integer_allocate IsIntegerAllocate -fail_action is_integer_allocate f x I I -is_integer_allocate f r I I %macro: is_integer IsInteger -fail_action is_integer f x is_integer f y -is_integer f r is_list Fail=f n => is_list Fail Literal=q => move Literal x | is_list Fail x is_list Fail=f c => jump Fail %macro: is_list IsList -fail_action -is_list f r is_list f x %cold is_list f y %hot -is_nonempty_list Fail=f S=rx | allocate Need Rs => is_nonempty_list_allocate Fail S Need Rs +is_nonempty_list Fail=f S=x | allocate Need Rs => is_nonempty_list_allocate Fail S Need Rs %macro:is_nonempty_list_allocate IsNonemptyListAllocate -fail_action -pack -is_nonempty_list_allocate f x I t is_nonempty_list_allocate f r I t +is_nonempty_list_allocate f x I t -is_nonempty_list F=f r | test_heap I1 I2 => is_non_empty_list_test_heap F r I1 I2 +is_nonempty_list F=f x==0 | test_heap I1 I2 => is_non_empty_list_test_heap F I1 I2 %macro: is_non_empty_list_test_heap IsNonemptyListTestHeap -fail_action -pack -is_non_empty_list_test_heap f r I t +is_non_empty_list_test_heap f I t + +is_nonempty_list Fail=f S=x | get_list S D1=x D2=x => \ + is_nonempty_list_get_list Fail S D1 D2 + +%macro: is_nonempty_list_get_list IsNonemptyListGetList -fail_action -pack +is_nonempty_list_get_list f r x x +is_nonempty_list_get_list f x x x %macro: is_nonempty_list IsNonemptyList -fail_action is_nonempty_list f x is_nonempty_list f y -is_nonempty_list f r %macro: is_atom IsAtom -fail_action is_atom f x -is_atom f r %cold is_atom f y %hot @@ -775,7 +702,6 @@ is_atom Fail=f a => is_atom Fail=f niq => jump Fail %macro: is_float IsFloat -fail_action -is_float f r is_float f x %cold is_float f y @@ -789,12 +715,10 @@ is_nil Fail=f qia => jump Fail %macro: is_nil IsNil -fail_action is_nil f x is_nil f y -is_nil f r is_binary Fail Literal=q => move Literal x | is_binary Fail x is_binary Fail=f c => jump Fail %macro: is_binary IsBinary -fail_action -is_binary f r is_binary f x %cold is_binary f y @@ -806,7 +730,6 @@ is_bitstr Fail Term => is_bitstring Fail Term is_bitstring Fail Literal=q => move Literal x | is_bitstring Fail x is_bitstring Fail=f c => jump Fail %macro: is_bitstring IsBitstring -fail_action -is_bitstring f r is_bitstring f x %cold is_bitstring f y @@ -814,7 +737,6 @@ is_bitstring f y is_reference Fail=f cq => jump Fail %macro: is_reference IsRef -fail_action -is_reference f r is_reference f x %cold is_reference f y @@ -822,7 +744,6 @@ is_reference f y is_pid Fail=f cq => jump Fail %macro: is_pid IsPid -fail_action -is_pid f r is_pid f x %cold is_pid f y @@ -830,7 +751,6 @@ is_pid f y is_port Fail=f cq => jump Fail %macro: is_port IsPort -fail_action -is_port f r is_port f x %cold is_port f y @@ -842,14 +762,12 @@ is_boolean Fail=f ac => jump Fail %cold %macro: is_boolean IsBoolean -fail_action -is_boolean f r is_boolean f x is_boolean f y %hot is_function2 Fail=f acq Arity => jump Fail is_function2 Fail=f Fun a => jump Fail -is_function2 Fail Fun Literal=q => move Literal x | is_function2 Fail Fun x is_function2 f s s %macro: is_function2 IsFunction2 -fail_action @@ -989,76 +907,76 @@ call_ext_only u==3 u$func:erlang:hibernate/3 => i_hibernate %unless USE_VM_PROBES call_ext Arity u$func:erlang:dt_get_tag/0 => \ - move a=am_undefined r + move a=am_undefined x=0 call_ext_last Arity u$func:erlang:dt_get_tag/0 D => \ - move a=am_undefined r | deallocate D | return + move a=am_undefined x=0 | deallocate D | return call_ext_only Arity u$func:erlang:dt_get_tag/0 => \ - move a=am_undefined r | return - -move Any r | call_ext Arity u$func:erlang:dt_put_tag/1 => \ - move a=am_undefined r -move Any r | call_ext_last Arity u$func:erlang:dt_put_tag/1 D => \ - move a=am_undefined r | deallocate D | return -move Any r | call_ext_only Arity u$func:erlang:dt_put_tag/1 => \ - move a=am_undefined r | return + move a=am_undefined x=0 | return + +move Any x==0 | call_ext Arity u$func:erlang:dt_put_tag/1 => \ + move a=am_undefined x=0 +move Any x==0 | call_ext_last Arity u$func:erlang:dt_put_tag/1 D => \ + move a=am_undefined x=0 | deallocate D | return +move Any x==0 | call_ext_only Arity u$func:erlang:dt_put_tag/1 => \ + move a=am_undefined x=0 | return call_ext Arity u$func:erlang:dt_put_tag/1 => \ - move a=am_undefined r + move a=am_undefined x=0 call_ext_last Arity u$func:erlang:dt_put_tag/1 D => \ - move a=am_undefined r | deallocate D | return + move a=am_undefined x=0 | deallocate D | return call_ext_only Arity u$func:erlang:dt_put_tag/1 => \ - move a=am_undefined r | return + move a=am_undefined x=0 | return call_ext Arity u$func:erlang:dt_get_tag_data/0 => \ - move a=am_undefined r + move a=am_undefined x=0 call_ext_last Arity u$func:erlang:dt_get_tag_data/0 D => \ - move a=am_undefined r | deallocate D | return + move a=am_undefined x=0 | deallocate D | return call_ext_only Arity u$func:erlang:dt_get_tag_data/0 => \ - move a=am_undefined r | return - -move Any r | call_ext Arity u$func:erlang:dt_spread_tag/1 => \ - move a=am_true r -move Any r | call_ext_last Arity u$func:erlang:dt_spread_tag/1 D => \ - move a=am_true r | deallocate D | return -move Any r | call_ext_only Arity u$func:erlang:dt_spread_tag/1 => \ - move a=am_true r | return + move a=am_undefined x=0 | return + +move Any x==0 | call_ext Arity u$func:erlang:dt_spread_tag/1 => \ + move a=am_true x=0 +move Any x==0 | call_ext_last Arity u$func:erlang:dt_spread_tag/1 D => \ + move a=am_true x=0 | deallocate D | return +move Any x==0 | call_ext_only Arity u$func:erlang:dt_spread_tag/1 => \ + move a=am_true x=0 | return call_ext Arity u$func:erlang:dt_spread_tag/1 => \ - move a=am_true r + move a=am_true x=0 call_ext_last Arity u$func:erlang:dt_spread_tag/1 D => \ - move a=am_true r | deallocate D | return + move a=am_true x=0 | deallocate D | return call_ext_only Arity u$func:erlang:dt_spread_tag/1 => \ - move a=am_true r | return - -move Any r | call_ext Arity u$func:erlang:dt_restore_tag/1 => \ - move a=am_true r -move Any r | call_ext_last Arity u$func:erlang:dt_restore_tag/1 D => \ - move a=am_true r | deallocate D | return -move Any r | call_ext_only Arity u$func:erlang:dt_restore_tag/1 => \ - move a=am_true r | return + move a=am_true x=0 | return + +move Any x==0 | call_ext Arity u$func:erlang:dt_restore_tag/1 => \ + move a=am_true x=0 +move Any x==0 | call_ext_last Arity u$func:erlang:dt_restore_tag/1 D => \ + move a=am_true x=0 | deallocate D | return +move Any x==0 | call_ext_only Arity u$func:erlang:dt_restore_tag/1 => \ + move a=am_true x=0 | return call_ext Arity u$func:erlang:dt_restore_tag/1 => \ - move a=am_true r + move a=am_true x=0 call_ext_last Arity u$func:erlang:dt_restore_tag/1 D => \ - move a=am_true r | deallocate D | return + move a=am_true x=0 | deallocate D | return call_ext_only Arity u$func:erlang:dt_restore_tag/1 => \ - move a=am_true r | return - -move Any r | call_ext Arity u$func:erlang:dt_prepend_vm_tag_data/1 => \ - move Any r -move Any r | call_ext_last Arity u$func:erlang:dt_prepend_vm_tag_data/1 D => \ - move Any r | deallocate D | return -move Any r | call_ext_only Arity u$func:erlang:dt_prepend_vm_tag_data/1 => \ - move Any r | return + move a=am_true x=0 | return + +move Any x==0 | call_ext Arity u$func:erlang:dt_prepend_vm_tag_data/1 => \ + move Any x=0 +move Any x==0 | call_ext_last Arity u$func:erlang:dt_prepend_vm_tag_data/1 D => \ + move Any x=0 | deallocate D | return +move Any x==0 | call_ext_only Arity u$func:erlang:dt_prepend_vm_tag_data/1 => \ + move Any x=0 | return call_ext Arity u$func:erlang:dt_prepend_vm_tag_data/1 => call_ext_last Arity u$func:erlang:dt_prepend_vm_tag_data/1 D => \ deallocate D | return call_ext_only Arity u$func:erlang:dt_prepend_vm_tag_data/1 => \ return -move Any r | call_ext Arity u$func:erlang:dt_append_vm_tag_data/1 => \ - move Any r -move Any r | call_ext_last Arity u$func:erlang:dt_append_vm_tag_data/1 D => \ - move Any r | deallocate D | return -move Any r | call_ext_only Arity u$func:erlang:dt_append_vm_tag_data/1 => \ - move Any r | return +move Any x==0 | call_ext Arity u$func:erlang:dt_append_vm_tag_data/1 => \ + move Any x=0 +move Any x==0 | call_ext_last Arity u$func:erlang:dt_append_vm_tag_data/1 D => \ + move Any x=0 | deallocate D | return +move Any x==0 | call_ext_only Arity u$func:erlang:dt_append_vm_tag_data/1 => \ + move Any x=0 | return call_ext Arity u$func:erlang:dt_append_vm_tag_data/1 => call_ext_last Arity u$func:erlang:dt_append_vm_tag_data/1 D => \ deallocate D | return @@ -1066,7 +984,7 @@ call_ext_only Arity u$func:erlang:dt_append_vm_tag_data/1 => \ return # Can happen after one of the transformations above. -move Discarded r | move Something r => move Something r +move Discarded x==0 | move Something x==0 => move Something x=0 %endif @@ -1091,9 +1009,9 @@ call_ext_only Ar=u Bif=u$is_bif => \ # with call instructions. # -move S=c r | call_ext Ar=u Func=u$is_not_bif => i_move_call_ext S r Func -move S=c r | call_ext_last Ar=u Func=u$is_not_bif D => i_move_call_ext_last Func D S r -move S=c r | call_ext_only Ar=u Func=u$is_not_bif => i_move_call_ext_only Func S r +move S=c x==0 | call_ext Ar=u Func=u$is_not_bif => i_move_call_ext S Func +move S=c x==0 | call_ext_last Ar=u Func=u$is_not_bif D => i_move_call_ext_last Func D S +move S=c x==0 | call_ext_only Ar=u Func=u$is_not_bif => i_move_call_ext_only Func S call_ext Ar Func => i_call_ext Func call_ext_last Ar Func D => i_call_ext_last Func D @@ -1120,78 +1038,71 @@ bif0 u$bif:erlang:node/0 Dst=d => node Dst bif1 Fail Bif=u$bif:erlang:get/1 Src=s Dst=d => i_get Src Dst -bif2 Jump=j u$bif:erlang:element/2 S1=s S2=rxy Dst=d => gen_element(Jump, S1, S2, Dst) +bif2 Jump=j u$bif:erlang:element/2 S1=s S2=xy Dst=d => gen_element(Jump, S1, S2, Dst) -bif1 Fail Bif Literal=q Dst => move Literal x | bif1 Fail Bif x Dst bif1 p Bif S1 Dst => bif1_body Bif S1 Dst -bif1_body Bif Literal=q Dst => move Literal x | bif1_body Bif x Dst - -bif2 p Bif S1 S2 Dst => i_fetch S1 S2 | i_bif2_body Bif Dst -bif2 Fail Bif S1 S2 Dst => i_fetch S1 S2 | i_bif2 Fail Bif Dst +bif2 p Bif S1 S2 Dst => i_bif2_body Bif S1 S2 Dst +bif2 Fail Bif S1 S2 Dst => i_bif2 Fail Bif S1 S2 Dst i_get s d %macro: self Self -self r self x self y %macro: node Node -node r node x %cold node y %hot -i_fast_element r j I d -i_fast_element x j I d -i_fast_element y j I d +i_fast_element j x I d +i_fast_element j y I d -i_element r j s d -i_element x j s d -i_element y j s d +i_element j x s d +i_element j y s d bif1 f b s d bif1_body b s d -i_bif2 f b d -i_bif2_body b d +i_bif2 f b s s d +i_bif2_body b s s d # # Internal calls. # -move S=c r | call Ar P=f => i_move_call S r P -move S=s r | call Ar P=f => move_call S r P +move S=c x==0 | call Ar P=f => i_move_call S P +move S=s x==0 | call Ar P=f => move_call S P -i_move_call c r f +i_move_call c f %macro:move_call MoveCall -arg_f -size -nonext -move_call/3 +move_call/2 -move_call x r f -move_call y r f +move_call x f +move_call y f -move S=c r | call_last Ar P=f D => i_move_call_last P D S r -move S r | call_last Ar P=f D => move_call_last S r P D +move S=c x==0 | call_last Ar P=f D => i_move_call_last P D S +move S x==0 | call_last Ar P=f D => move_call_last S P D -i_move_call_last f P c r +i_move_call_last f P c %macro:move_call_last MoveCallLast -arg_f -nonext -pack -move_call_last/4 -move_call_last x r f Q -move_call_last y r f Q +move_call_last/3 +move_call_last x f Q +move_call_last y f Q -move S=c r | call_only Ar P=f => i_move_call_only P S r -move S=x r | call_only Ar P=f => move_call_only S r P +move S=c x==0 | call_only Ar P=f => i_move_call_only P S +move S=x x==0 | call_only Ar P=f => move_call_only S P -i_move_call_only f c r +i_move_call_only f c %macro:move_call_only MoveCallOnly -arg_f -nonext -move_call_only/3 +move_call_only/2 -move_call_only x r f +move_call_only x f call Ar Func => i_call Func call_last Ar Func D => i_call_last Func D @@ -1205,9 +1116,9 @@ i_call_ext e i_call_ext_last e P i_call_ext_only e -i_move_call_ext c r e -i_move_call_ext_last e P c r -i_move_call_ext_only e c r +i_move_call_ext c e +i_move_call_ext_last e P c +i_move_call_ext_only e c # Fun calls. @@ -1227,7 +1138,6 @@ i_make_fun I t %macro: is_function IsFunction -fail_action is_function f x is_function f y -is_function f r is_function Fail=f c => jump Fail func_info M F A => i_func_info u M F A @@ -1239,131 +1149,105 @@ func_info M F A => i_func_info u M F A %cold bs_start_match2 Fail=f ica X Y D => jump Fail bs_start_match2 Fail Bin X Y D => i_bs_start_match2 Bin Fail X Y D -i_bs_start_match2 r f I I d i_bs_start_match2 x f I I d i_bs_start_match2 y f I I d bs_save2 Reg Index => gen_bs_save(Reg, Index) -i_bs_save2 r I i_bs_save2 x I bs_restore2 Reg Index => gen_bs_restore(Reg, Index) -i_bs_restore2 r I i_bs_restore2 x I # Matching integers bs_match_string Fail Ms Bits Val => i_bs_match_string Ms Fail Bits Val -i_bs_match_string r f I I i_bs_match_string x f I I # Fetching integers from binaries. -bs_get_integer2 Fail=f Ms=rx Live=u Sz=sq Unit=u Flags=u Dst=d => \ +bs_get_integer2 Fail=f Ms=x Live=u Sz=sq Unit=u Flags=u Dst=d => \ gen_get_integer2(Fail, Ms, Live, Sz, Unit, Flags, Dst) -i_bs_get_integer_small_imm r I f I d i_bs_get_integer_small_imm x I f I d -i_bs_get_integer_imm r I I f I d i_bs_get_integer_imm x I I f I d -i_bs_get_integer f I I d -i_bs_get_integer_8 r f d +i_bs_get_integer f I I s s d i_bs_get_integer_8 x f d -i_bs_get_integer_16 r f d i_bs_get_integer_16 x f d -i_bs_get_integer_32 r f I d i_bs_get_integer_32 x f I d # Fetching binaries from binaries. -bs_get_binary2 Fail=f Ms=rx Live=u Sz=sq Unit=u Flags=u Dst=d => \ +bs_get_binary2 Fail=f Ms=x Live=u Sz=sq Unit=u Flags=u Dst=d => \ gen_get_binary2(Fail, Ms, Live, Sz, Unit, Flags, Dst) %macro: i_bs_get_binary_imm2 BsGetBinaryImm_2 -fail_action -gen_dest %macro: i_bs_get_binary2 BsGetBinary_2 -fail_action -gen_dest %macro: i_bs_get_binary_all2 BsGetBinaryAll_2 -fail_action -gen_dest -i_bs_get_binary_imm2 f r I I I d i_bs_get_binary_imm2 f x I I I d -i_bs_get_binary2 f r I s I d i_bs_get_binary2 f x I s I d -i_bs_get_binary_all2 f r I I d i_bs_get_binary_all2 f x I I d -i_bs_get_binary_all_reuse r f I i_bs_get_binary_all_reuse x f I # Fetching float from binaries. -bs_get_float2 Fail=f Ms=rx Live=u Sz=s Unit=u Flags=u Dst=d => \ +bs_get_float2 Fail=f Ms=x Live=u Sz=s Unit=u Flags=u Dst=d => \ gen_get_float2(Fail, Ms, Live, Sz, Unit, Flags, Dst) -bs_get_float2 Fail=f Ms=rx Live=u Sz=q Unit=u Flags=u Dst=d => jump Fail +bs_get_float2 Fail=f Ms=x Live=u Sz=q Unit=u Flags=u Dst=d => jump Fail %macro: i_bs_get_float2 BsGetFloat2 -fail_action -gen_dest -i_bs_get_float2 f r I s I d i_bs_get_float2 f x I s I d # Miscellanous -bs_skip_bits2 Fail=f Ms=rx Sz=s Unit=u Flags=u => \ - gen_skip_bits2(Fail, Ms, Sz, Unit, Flags) -bs_skip_bits2 Fail=f Ms=rx Sz=q Unit=u Flags=u => \ +bs_skip_bits2 Fail=f Ms=x Sz=sq Unit=u Flags=u => \ gen_skip_bits2(Fail, Ms, Sz, Unit, Flags) %macro: i_bs_skip_bits_imm2 BsSkipBitsImm2 -fail_action -i_bs_skip_bits_imm2 f r I i_bs_skip_bits_imm2 f x I %macro: i_bs_skip_bits2 BsSkipBits2 -fail_action -i_bs_skip_bits2 f r x I -i_bs_skip_bits2 f r y I i_bs_skip_bits2 f x x I -i_bs_skip_bits2 f x r I i_bs_skip_bits2 f x y I %macro: i_bs_skip_bits_all2 BsSkipBitsAll2 -fail_action -i_bs_skip_bits_all2 f r I i_bs_skip_bits_all2 f x I -bs_test_tail2 Fail=f Ms=rx Bits=u==0 => bs_test_zero_tail2 Fail Ms -bs_test_tail2 Fail=f Ms=rx Bits=u => bs_test_tail_imm2 Fail Ms Bits -bs_test_zero_tail2 f r +bs_test_tail2 Fail=f Ms=x Bits=u==0 => bs_test_zero_tail2 Fail Ms +bs_test_tail2 Fail=f Ms=x Bits=u => bs_test_tail_imm2 Fail Ms Bits bs_test_zero_tail2 f x -bs_test_tail_imm2 f r I bs_test_tail_imm2 f x I bs_test_unit F Ms Unit=u==8 => bs_test_unit8 F Ms -bs_test_unit f r I bs_test_unit f x I -bs_test_unit8 f r bs_test_unit8 f x -bs_context_to_binary r +# An y register operand for bs_context_to_binary is rare, +# but can happen because of inlining. + +bs_context_to_binary Y=y => move Y x | bs_context_to_binary x + bs_context_to_binary x -bs_context_to_binary y # # Utf8/utf16/utf32 support. (R12B-5) # -bs_get_utf8 Fail=f Ms=rx u u Dst=d => i_bs_get_utf8 Ms Fail Dst -i_bs_get_utf8 r f d +bs_get_utf8 Fail=f Ms=x u u Dst=d => i_bs_get_utf8 Ms Fail Dst i_bs_get_utf8 x f d -bs_skip_utf8 Fail=f Ms=rx u u => i_bs_get_utf8 Ms Fail x +bs_skip_utf8 Fail=f Ms=x u u => i_bs_get_utf8 Ms Fail x -bs_get_utf16 Fail=f Ms=rx u Flags=u Dst=d => i_bs_get_utf16 Ms Fail Flags Dst -bs_skip_utf16 Fail=f Ms=rx u Flags=u => i_bs_get_utf16 Ms Fail Flags x +bs_get_utf16 Fail=f Ms=x u Flags=u Dst=d => i_bs_get_utf16 Ms Fail Flags Dst +bs_skip_utf16 Fail=f Ms=x u Flags=u => i_bs_get_utf16 Ms Fail Flags x -i_bs_get_utf16 r f I d i_bs_get_utf16 x f I d -bs_get_utf32 Fail=f Ms=rx Live=u Flags=u Dst=d => \ +bs_get_utf32 Fail=f Ms=x Live=u Flags=u Dst=d => \ bs_get_integer2 Fail Ms Live i=32 u=1 Flags Dst | \ - i_fetch Dst Ms | \ - i_bs_validate_unicode_retract Fail -bs_skip_utf32 Fail=f Ms=rx Live=u Flags=u => \ + i_bs_validate_unicode_retract Fail Dst Ms +bs_skip_utf32 Fail=f Ms=x Live=u Flags=u => \ bs_get_integer2 Fail Ms Live i=32 u=1 Flags x | \ - i_fetch x Ms | \ - i_bs_validate_unicode_retract Fail + i_bs_validate_unicode_retract Fail x Ms -i_bs_validate_unicode_retract j +i_bs_validate_unicode_retract j s s %hot # @@ -1385,13 +1269,12 @@ bs_init2 Fail Sz=u Words Regs Flags Dst => \ bs_init2 Fail Sz Words=u==0 Regs Flags Dst => \ i_bs_init_fail Sz Fail Regs Dst bs_init2 Fail Sz Words Regs Flags Dst => \ - i_fetch Sz r | i_bs_init_fail_heap Words Fail Regs Dst + i_bs_init_fail_heap Sz Words Fail Regs Dst -i_bs_init_fail r j I d i_bs_init_fail x j I d i_bs_init_fail y j I d -i_bs_init_fail_heap I j I d +i_bs_init_fail_heap s I j I d i_bs_init I I d i_bs_init_heap_bin I I d @@ -1408,39 +1291,35 @@ bs_init_bits Fail Sz=u Words Regs Flags Dst => i_bs_init_bits_heap Sz Words Reg bs_init_bits Fail Sz Words=u==0 Regs Flags Dst => \ i_bs_init_bits_fail Sz Fail Regs Dst bs_init_bits Fail Sz Words Regs Flags Dst => \ - i_fetch Sz r | i_bs_init_bits_fail_heap Words Fail Regs Dst + i_bs_init_bits_fail_heap Sz Words Fail Regs Dst -i_bs_init_bits_fail r j I d i_bs_init_bits_fail x j I d i_bs_init_bits_fail y j I d -i_bs_init_bits_fail_heap I j I d +i_bs_init_bits_fail_heap s I j I d i_bs_init_bits I I d i_bs_init_bits_heap I I I d bs_add Fail S1=i==0 S2 Unit=u==1 D => move S2 D -bs_add Fail S1 S2 Unit D => i_fetch S1 S2 | i_bs_add Fail Unit D -i_bs_add j I d +bs_add j s s I d bs_append Fail Size Extra Live Unit Bin Flags Dst => \ - i_fetch Size Bin | i_bs_append Fail Extra Live Unit Dst + move Bin x | i_bs_append Fail Extra Live Unit Size Dst bs_private_append Fail Size Unit Bin Flags Dst => \ - i_fetch Size Bin | i_bs_private_append Fail Unit Dst + i_bs_private_append Fail Unit Size Bin Dst bs_init_writable -i_bs_append j I I I d -i_bs_private_append j I d +i_bs_append j I I I s d +i_bs_private_append j I s s d # # Storing integers into binaries. # -bs_put_integer Fail=j Sz=s Unit=u Flags=u Literal=q => \ - move Literal x | bs_put_integer Fail Sz Unit Flags x bs_put_integer Fail=j Sz=sq Unit=u Flags=u Src=s => \ gen_put_integer(Fail, Sz, Unit, Flags, Src) @@ -1454,32 +1333,22 @@ i_new_bs_put_integer_imm j I I s # Utf8/utf16/utf32 support. (R12B-5) # -bs_utf8_size Fail Literal=q Dst=d => \ - move Literal x | bs_utf8_size Fail x Dst bs_utf8_size j Src=s Dst=d => i_bs_utf8_size Src Dst i_bs_utf8_size s d -bs_utf16_size Fail Literal=q Dst=d => \ - move Literal x | bs_utf16_size Fail x Dst bs_utf16_size j Src=s Dst=d => i_bs_utf16_size Src Dst i_bs_utf16_size s d -bs_put_utf8 Fail=j Flags=u Literal=q => \ - move Literal x | bs_put_utf8 Fail Flags x bs_put_utf8 Fail u Src=s => i_bs_put_utf8 Fail Src i_bs_put_utf8 j s -bs_put_utf16 Fail=j Flags=u Literal=q => \ - move Literal x | bs_put_utf16 Fail Flags x bs_put_utf16 Fail Flags=u Src=s => i_bs_put_utf16 Fail Flags Src i_bs_put_utf16 j I s -bs_put_utf32 Fail=j Flags=u Literal=q => \ - move Literal x | bs_put_utf32 Fail Flags x bs_put_utf32 Fail=j Flags=u Src=s => \ i_bs_validate_unicode Fail Src | bs_put_integer Fail i=32 u=1 Flags Src @@ -1490,9 +1359,6 @@ i_bs_validate_unicode j s # bs_put_float Fail Sz=q Unit Flags Val => badarg Fail -bs_put_float Fail=j Sz Unit=u Flags=u Literal=q => \ - move Literal x | bs_put_float Fail Sz Unit Flags x - bs_put_float Fail=j Sz=s Unit=u Flags=u Src=s => \ gen_put_float(Fail, Sz, Unit, Flags, Src) @@ -1506,8 +1372,6 @@ i_new_bs_put_float_imm j I I s # Storing binaries into binaries. # -bs_put_binary Fail Sz Unit Flags Literal=q => \ - move Literal x | bs_put_binary Fail Sz Unit Flags x bs_put_binary Fail=j Sz=s Unit=u Flags=u Src=s => \ gen_put_binary(Fail, Sz, Unit, Flags, Src) @@ -1600,7 +1464,6 @@ is_map Fail Lit=q | literal_is_map(Lit) => is_map Fail cq => jump Fail %macro: is_map IsMap -fail_action -is_map f r is_map f x is_map f y @@ -1611,101 +1474,120 @@ has_map_fields Fail Src Size Rest=* => \ ## Transform get_map_elements(s) #{ K1 := V1, K2 := V2 } -get_map_elements Fail Src=rxy Size=u==2 Rest=* => \ +get_map_elements Fail Src=xy Size=u==2 Rest=* => \ gen_get_map_element(Fail, Src, Size, Rest) get_map_elements Fail Src Size Rest=* | map_key_sort(Size, Rest) => \ gen_get_map_elements(Fail, Src, Size, Rest) i_get_map_elements f s I -i_get_map_element Fail Src=rxy Key=ry Dst => \ +i_get_map_element Fail Src=xy Key=y Dst => \ move Key x | i_get_map_element Fail Src x Dst %macro: i_get_map_element_hash GetMapElementHash -fail_action -i_get_map_element_hash f r c I r -i_get_map_element_hash f x c I r -i_get_map_element_hash f y c I r -i_get_map_element_hash f r c I x i_get_map_element_hash f x c I x i_get_map_element_hash f y c I x -i_get_map_element_hash f r c I y i_get_map_element_hash f x c I y i_get_map_element_hash f y c I y %macro: i_get_map_element GetMapElement -fail_action -i_get_map_element f r x r -i_get_map_element f x x r -i_get_map_element f y x r -i_get_map_element f r x x i_get_map_element f x x x i_get_map_element f y x x -i_get_map_element f r x y i_get_map_element f x x y i_get_map_element f y x y # +# Convert the plus operations to a generic plus instruction. +# +gen_plus/5 +gen_minus/5 + +gc_bif1 Fail Live u$bif:erlang:splus/1 Src Dst => \ + gen_plus Fail Live Src i Dst +gc_bif2 Fail Live u$bif:erlang:splus/2 S1 S2 Dst => \ + gen_plus Fail Live S1 S2 Dst + +gc_bif1 Fail Live u$bif:erlang:sminus/1 Src Dst => \ + gen_minus Fail Live i Src Dst +gc_bif2 Fail Live u$bif:erlang:sminus/2 S1 S2 Dst => \ + gen_minus Fail Live S1 S2 Dst + +# # Optimize addition and subtraction of small literals using # the i_increment/4 instruction (in bodies, not in guards). # -gc_bif2 p Live u$bif:erlang:splus/2 Int=i Reg=d Dst => \ +gen_plus p Live Int=i Reg=d Dst => \ gen_increment(Reg, Int, Live, Dst) -gc_bif2 p Live u$bif:erlang:splus/2 Reg=d Int=i Dst => \ +gen_plus p Live Reg=d Int=i Dst => \ gen_increment(Reg, Int, Live, Dst) -gc_bif2 p Live u$bif:erlang:sminus/2 Reg=d Int=i Dst | \ - negation_is_small(Int) => \ +gen_minus p Live Reg=d Int=i Dst | negation_is_small(Int) => \ gen_increment_from_minus(Reg, Int, Live, Dst) # # GCing arithmetic instructions. # -gc_bif2 Fail I u$bif:erlang:splus/2 S1=x S2=x Dst=d => i_plus Fail I S1 S2 Dst -gc_bif2 Fail I u$bif:erlang:splus/2 S1 S2 Dst=d => i_fetch S1 S2 | i_plus Fail I Dst -gc_bif2 Fail I u$bif:erlang:sminus/2 S1=x S2=x Dst=d => i_minus Fail I S1 S2 Dst -gc_bif2 Fail I u$bif:erlang:sminus/2 S1 S2 Dst=d => i_fetch S1 S2 | i_minus Fail I Dst -gc_bif2 Fail I u$bif:erlang:stimes/2 S1 S2 Dst=d => i_fetch S1 S2 | i_times Fail I Dst -gc_bif2 Fail I u$bif:erlang:div/2 S1 S2 Dst=d => i_fetch S1 S2 | i_m_div Fail I Dst +gen_plus Fail Live Y=y X=x Dst => i_plus Fail Live X Y Dst +gen_plus Fail Live S1 S2 Dst => i_plus Fail Live S1 S2 Dst -gc_bif2 Fail I u$bif:erlang:intdiv/2 S1 S2 Dst=d => i_fetch S1 S2 | i_int_div Fail I Dst -gc_bif2 Fail I u$bif:erlang:rem/2 S1=x S2=x Dst=d => i_rem Fail I S1 S2 Dst -gc_bif2 Fail I u$bif:erlang:rem/2 S1 S2 Dst=d => i_fetch S1 S2 | i_rem Fail I Dst +gen_minus Fail Live S1 S2 Dst => i_minus Fail Live S1 S2 Dst -gc_bif2 Fail I u$bif:erlang:bsl/2 S1 S2 Dst=d => i_fetch S1 S2 | i_bsl Fail I Dst -gc_bif2 Fail I u$bif:erlang:bsr/2 S1 S2 Dst=d => i_fetch S1 S2 | i_bsr Fail I Dst +gc_bif2 Fail Live u$bif:erlang:stimes/2 S1 S2 Dst => \ + i_times Fail Live S1 S2 Dst -gc_bif2 Fail I u$bif:erlang:band/2 S1=x S2=c Dst=d => i_band Fail I S1 S2 Dst -gc_bif2 Fail I u$bif:erlang:band/2 S1 S2 Dst=d => i_fetch S1 S2 | i_band Fail I Dst -gc_bif2 Fail I u$bif:erlang:bor/2 S1 S2 Dst=d => i_fetch S1 S2 | i_bor Fail I Dst -gc_bif2 Fail I u$bif:erlang:bxor/2 S1 S2 Dst=d => i_fetch S1 S2 | i_bxor Fail I Dst +gc_bif2 Fail Live u$bif:erlang:div/2 S1 S2 Dst => \ + i_m_div Fail Live S1 S2 Dst +gc_bif2 Fail Live u$bif:erlang:intdiv/2 S1 S2 Dst => \ + i_int_div Fail Live S1 S2 Dst -gc_bif1 Fail I u$bif:erlang:bnot/1 Src Dst=d => i_int_bnot Fail Src I Dst +gc_bif2 Fail Live u$bif:erlang:rem/2 S1 S2 Dst => \ + i_rem Fail Live S1 S2 Dst + +gc_bif2 Fail Live u$bif:erlang:bsl/2 S1 S2 Dst => \ + i_bsl Fail Live S1 S2 Dst +gc_bif2 Fail Live u$bif:erlang:bsr/2 S1 S2 Dst => \ + i_bsr Fail Live S1 S2 Dst + +gc_bif2 Fail Live u$bif:erlang:band/2 S1 S2 Dst => \ + i_band Fail Live S1 S2 Dst + +gc_bif2 Fail Live u$bif:erlang:bor/2 S1 S2 Dst => \ + i_bor Fail Live S1 S2 Dst -gc_bif1 Fail I u$bif:erlang:sminus/1 Src Dst=d => i_fetch i Src | i_minus Fail I Dst -gc_bif1 Fail I u$bif:erlang:splus/1 Src Dst=d => i_fetch i Src | i_plus Fail I Dst +gc_bif2 Fail Live u$bif:erlang:bxor/2 S1 S2 Dst => \ + i_bxor Fail Live S1 S2 Dst + +gc_bif1 Fail I u$bif:erlang:bnot/1 Src Dst=d => i_int_bnot Fail Src I Dst i_increment r I I d i_increment x I I d i_increment y I I d i_plus j I x x d -i_plus j I d +i_plus j I x y d +i_plus j I s s d + i_minus j I x x d -i_minus j I d -i_times j I d -i_m_div j I d -i_int_div j I d +i_minus j I s s d + +i_times j I s s d + +i_m_div j I s s d +i_int_div j I s s d + i_rem j I x x d -i_rem j I d +i_rem j I s s d -i_bsl j I d -i_bsr j I d +i_bsl j I s s d +i_bsr j I s s d i_band j I x c d -i_band j I d -i_bor j I d -i_bxor j I d +i_band j I s s d + +i_bor j I s s d +i_bxor j I s s d i_int_bnot j s I d @@ -1731,21 +1613,18 @@ gc_bif2 Fail I Bif S1 S2 Dst => \ gc_bif3 Fail I Bif S1 S2 S3 Dst => \ gen_guard_bif3(Fail, I, Bif, S1, S2, S3, Dst) -i_gc_bif1 Fail Bif V=q Live D => move V x | i_gc_bif1 Fail Bif x Live D - i_gc_bif1 j I s I d -ii_gc_bif2/6 - -ii_gc_bif2 Fail Bif S1 S2 Live D => i_fetch S1 S2 | i_gc_bif2 Fail Bif Live D - -i_gc_bif2 j I I d +i_gc_bif2 j I I s s d ii_gc_bif3/7 -ii_gc_bif3 Fail Bif S1 S2 S3 Live D => move S1 x | i_fetch S2 S3 | i_gc_bif3 Fail Bif x Live D +# A specific instruction can only have 6 operands, so we must +# pass one of the arguments in an x register. +ii_gc_bif3 Fail Bif Live S1 S2 S3 Dst => \ + move S1 x | i_gc_bif3 Fail Bif Live S2 S3 Dst -i_gc_bif3 j I s I d +i_gc_bif3 j I I s s d # # The following instruction is specially handled in beam_load.c diff --git a/erts/emulator/utils/beam_makeops b/erts/emulator/utils/beam_makeops index e90ed94187..f805e7cc64 100755 --- a/erts/emulator/utils/beam_makeops +++ b/erts/emulator/utils/beam_makeops @@ -48,12 +48,17 @@ $pack_shift[4] = ['0', 'BEAM_LOOSE_SHIFT', # Only for 64 bit wordsize '(3*BEAM_LOOSE_SHIFT)']; $pack_mask[2] = ['BEAM_LOOSE_MASK', $WHOLE_WORD]; -$pack_mask[3] = ['BEAM_TIGHT_MASK', 'BEAM_TIGHT_MASK', 'BEAM_TIGHT_MASK']; +$pack_mask[3] = ['BEAM_TIGHT_MASK', 'BEAM_TIGHT_MASK', $WHOLE_WORD]; $pack_mask[4] = ['BEAM_LOOSE_MASK', # Only for 64 bit wordsize 'BEAM_LOOSE_MASK', 'BEAM_LOOSE_MASK', $WHOLE_WORD]; +# Mapping from packagable arguments to number of packed arguments per +# word. Initialized after the wordsize is known. + +my @args_per_word; + # There are two types of instructions: generic and specific. # The generic instructions are those generated by the Beam compiler. # Corresponding to each generic instruction, there is generally a @@ -176,11 +181,12 @@ sub define_type_bit { } # Composed types. - define_type_bit('d', $type_bit{'x'} | $type_bit{'y'} | $type_bit{'r'}); + define_type_bit('d', $type_bit{'x'} | $type_bit{'y'}); define_type_bit('c', $type_bit{'i'} | $type_bit{'a'} | $type_bit{'n'} | $type_bit{'q'}); define_type_bit('s', $type_bit{'d'} | $type_bit{'i'} | - $type_bit{'a'} | $type_bit{'n'}); + $type_bit{'a'} | $type_bit{'n'} | + $type_bit{'q'}); define_type_bit('j', $type_bit{'f'} | $type_bit{'p'}); # Aliases (for matching purposes). @@ -236,6 +242,20 @@ while (@ARGV && $ARGV[0] =~ /^-(.*)/) { } # +# Initialize number of arguments per packed word. +# + +$args_per_word[2] = 2; +$args_per_word[3] = 3; +$args_per_word[4] = 2; +$args_per_word[5] = 3; +$args_per_word[6] = 3; + +if ($wordsize == 64) { + $args_per_word[4] = 4; +} + +# # Parse the input files. # @@ -527,12 +547,16 @@ sub emulator_output { my(@bits) = (0) x ($max_spec_operands/2); my($i); + my $involves_r = 0; for ($i = 0; $i < $max_spec_operands && defined $args[$i]; $i++) { my $t = $args[$i]; - if (defined $type_bit{$t}) { - my $shift = $max_genop_types * ($i % 2); - $bits[int($i/2)] |= $type_bit{$t} << $shift; + my $bits = $type_bit{$t}; + if ($t eq 'r') { + $bits |= $type_bit{'x'}; + $involves_r |= 1 << $i; } + my $shift = $max_genop_types * ($i % 2); + $bits[int($i/2)] |= $bits << $shift; } printf "/* %3d */ ", $spec_opnum; @@ -544,7 +568,7 @@ sub emulator_output { $sep = ","; } $init .= "}"; - &init_item($print_name, $init, $size, $pack, $sign, 0); + init_item($print_name, $init, $involves_r, $size, $pack, $sign, 0); $op_to_name[$spec_opnum] = $instr; $spec_opnum++; } @@ -601,11 +625,12 @@ sub emulator_output { print "#define MAX_GENERIC_OPCODE ", $num_file_opcodes-1, "\n"; print "#define NUM_GENERIC_OPS ", scalar(@gen_opname), "\n"; print "#define NUM_SPECIFIC_OPS ", scalar(@op_to_name), "\n"; + print "#define SCRATCH_X_REG 1023\n"; print "\n"; print "#ifdef ARCH_64\n"; print "# define BEAM_WIDE_MASK 0xFFFFUL\n"; - print "# define BEAM_LOOSE_MASK 0x1FFFUL\n"; - print "# define BEAM_TIGHT_MASK 0x1FF8UL\n"; + print "# define BEAM_LOOSE_MASK 0xFFFFUL\n"; + print "# define BEAM_TIGHT_MASK 0xFFFFUL\n"; print "# define BEAM_WIDE_SHIFT 32\n"; print "# define BEAM_LOOSE_SHIFT 16\n"; print "# define BEAM_TIGHT_SHIFT 16\n"; @@ -730,7 +755,7 @@ sub init_item { print "${sep}NULL"; } elsif (/^\{/) { print "$sep$_"; - } elsif (/^-?\d/) { + } elsif (/^-?\d+$/) { print "$sep$_"; } else { print "$sep\"$_\""; @@ -892,6 +917,7 @@ sub basic_generator { my($var_decls) = ''; my($gen_dest_arg) = 'StoreSimpleDest'; my($i); + my($no_prefetch) = 0; # The following argument types should be included as macro arguments. my(%incl_arg) = ('c' => 1, @@ -990,6 +1016,7 @@ sub basic_generator { # $flags =~ /-fail_action/ and do { + $no_prefetch = 1; if (!defined $fail_type) { my($i); for ($i = 0; $i < @f_types; $i++) { @@ -1036,6 +1063,12 @@ sub basic_generator { "I += $size + 1;", "goto $goto;", "}"); + } elsif ($no_prefetch) { + $code = join("\n", + "{ $var_decls", + $macro_code, + "Next($size);", + "}", ""); } else { $code = join("\n", "{ $var_decls", @@ -1057,6 +1090,7 @@ sub do_pack { my($packable_args) = 0; my @is_packable; # Packability (boolean) for each argument. my $wide_packing = 0; + my(@orig_args) = @args; # # Count the number of packable arguments. If we encounter any 's' or 'd' @@ -1077,6 +1111,18 @@ sub do_pack { } } elsif ($arg =~ /^[sd]/) { return ('', '', @args); + } elsif ($arg =~ /^[scq]/ and $packable_args > 0) { + # When packing, this operand will be picked up from the + # code array, put onto the packing stack, and later put + # back into a different location in the code. The problem + # is that if this operand is a literal, the original + # location in the code would have been remembered in a + # literal patch. For packing to work, we would have to + # adjust the position in the literal patch. For the + # moment, adding additional instructions to the packing + # engine to handle this does not seem worth it, so we will + # just turn off packing. + return ('', '', @args); } else { push @is_packable, 0; } @@ -1086,7 +1132,6 @@ sub do_pack { # Get out of here if too few or too many arguments. # return ('', '', @args) if $packable_args < 2; - &error("too many packable arguments") if $packable_args > 4; my($size) = 0; my($pack_prefix) = ''; @@ -1094,14 +1139,8 @@ sub do_pack { # beginning). my($up) = ''; # Pack commands (storing back while # moving forward). - my $args_per_word; - if ($packable_args < 4 or $wordsize == 64) { - $args_per_word = $packable_args; - } else { - # 4 packable argument, 32 bit wordsize. Need 2 words. - $args_per_word = 2; - } + my $args_per_word = $args_per_word[$packable_args]; my @shift; my @mask; my @instr; @@ -1295,6 +1334,8 @@ sub tr_parse_op { foreach (split('', $type)) { &error("bad type in $op") unless defined $type_bit{$_} or $type eq '*'; + $_ eq 'r' and + error("$op: 'r' is not allowed in transformations") } } @@ -1328,7 +1369,10 @@ sub tr_parse_op { } # Get an optional value. (In destination.) + $type_val = $type eq 'x' ? 1023 : 0; if (/^=(.*)/) { + error("value not allowed in source: $op") + if $src; $type_val = $1; $_ = ''; } @@ -1347,11 +1391,6 @@ sub tr_parse_op { if $var && $type; } - # Test that source has no values. - if ($src) { - error("value not allowed in source: $op") - if $type_val; - } ($var,$type,$type_val,$cond,$cond_val); } |