diff options
Diffstat (limited to 'erts/emulator/beam/arith_instrs.tab')
-rw-r--r-- | erts/emulator/beam/arith_instrs.tab | 105 |
1 files changed, 49 insertions, 56 deletions
diff --git a/erts/emulator/beam/arith_instrs.tab b/erts/emulator/beam/arith_instrs.tab index b828e86788..574fceec5b 100644 --- a/erts/emulator/beam/arith_instrs.tab +++ b/erts/emulator/beam/arith_instrs.tab @@ -19,21 +19,22 @@ // %CopyrightEnd% // -OUTLINED_ARITH_2(Fail, Live, Name, BIF, Op1, Op2, Dst) { +OUTLINED_ARITH_2(Fail, Name, BIF, Op1, Op2, Dst) { Eterm result; - Uint live = $Live; - HEAVY_SWAPOUT; - reg[live] = $Op1; - reg[live+1] = $Op2; - result = erts_gc_$Name (c_p, reg, live); - HEAVY_SWAPIN; +#ifdef DEBUG + Eterm* orig_htop = HTOP; + Eterm* orig_stop = E; +#endif + DEBUG_SWAPOUT; + result = erts_$Name (c_p, $Op1, $Op2); + DEBUG_SWAPIN; + ASSERT(orig_htop == HTOP && orig_stop == E); ERTS_HOLE_CHECK(c_p); if (ERTS_LIKELY(is_value(result))) { - $REFRESH_GEN_DEST(); $Dst = result; $NEXT0(); } - $BIF_ERROR_ARITY_2($Fail, $BIF, reg[live], reg[live+1]); + $BIF_ERROR_ARITY_2($Fail, $BIF, $Op1, $Op2); } @@ -48,7 +49,7 @@ plus.fetch(Op1, Op2) { PlusOp2 = $Op2; } -plus.execute(Fail, Live, Dst) { +plus.execute(Fail, Dst) { if (ERTS_LIKELY(is_both_small(PlusOp1, PlusOp2))) { Sint i = signed_val(PlusOp1) + signed_val(PlusOp2); if (ERTS_LIKELY(IS_SSMALL(i))) { @@ -56,7 +57,7 @@ plus.execute(Fail, Live, Dst) { $NEXT0(); } } - $OUTLINED_ARITH_2($Fail, $Live, mixed_plus, BIF_splus_2, PlusOp1, PlusOp2, $Dst); + $OUTLINED_ARITH_2($Fail, mixed_plus, BIF_splus_2, PlusOp1, PlusOp2, $Dst); } i_minus := minus.fetch.execute; @@ -70,7 +71,7 @@ minus.fetch(Op1, Op2) { MinusOp2 = $Op2; } -minus.execute(Fail, Live, Dst) { +minus.execute(Fail, Dst) { if (ERTS_LIKELY(is_both_small(MinusOp1, MinusOp2))) { Sint i = signed_val(MinusOp1) - signed_val(MinusOp2); if (ERTS_LIKELY(IS_SSMALL(i))) { @@ -78,7 +79,7 @@ minus.execute(Fail, Live, Dst) { $NEXT0(); } } - $OUTLINED_ARITH_2($Fail, $Live, mixed_minus, BIF_sminus_2, MinusOp1, MinusOp2, $Dst); + $OUTLINED_ARITH_2($Fail, mixed_minus, BIF_sminus_2, MinusOp1, MinusOp2, $Dst); } i_increment := increment.fetch.execute; @@ -91,9 +92,8 @@ increment.fetch(Src) { increment_reg_val = $Src; } -increment.execute(IncrementVal, Live, Dst) { +increment.execute(IncrementVal, Dst) { Eterm increment_val = $IncrementVal; - Uint live; Eterm result; if (ERTS_LIKELY(is_small(increment_reg_val))) { @@ -103,15 +103,9 @@ increment.execute(IncrementVal, Live, Dst) { $NEXT0(); } } - live = $Live; - HEAVY_SWAPOUT; - reg[live] = increment_reg_val; - reg[live+1] = make_small(increment_val); - result = erts_gc_mixed_plus(c_p, reg, live); - HEAVY_SWAPIN; + result = erts_mixed_plus(c_p, increment_reg_val, make_small(increment_val)); ERTS_HOLE_CHECK(c_p); if (ERTS_LIKELY(is_value(result))) { - $REFRESH_GEN_DEST(); $Dst = result; $NEXT0(); } @@ -119,19 +113,19 @@ increment.execute(IncrementVal, Live, Dst) { goto find_func_info; } -i_times(Fail, Live, Op1, Op2, Dst) { +i_times(Fail, Op1, Op2, Dst) { Eterm op1 = $Op1; Eterm op2 = $Op2; - $OUTLINED_ARITH_2($Fail, $Live, mixed_times, BIF_stimes_2, op1, op2, $Dst); + $OUTLINED_ARITH_2($Fail, mixed_times, BIF_stimes_2, op1, op2, $Dst); } -i_m_div(Fail, Live, Op1, Op2, Dst) { +i_m_div(Fail, Op1, Op2, Dst) { Eterm op1 = $Op1; Eterm op2 = $Op2; - $OUTLINED_ARITH_2($Fail, $Live, mixed_div, BIF_div_2, op1, op2, $Dst); + $OUTLINED_ARITH_2($Fail, mixed_div, BIF_div_2, op1, op2, $Dst); } -i_int_div(Fail, Live, Op1, Op2, Dst) { +i_int_div(Fail, Op1, Op2, Dst) { Eterm op1 = $Op1; Eterm op2 = $Op2; if (ERTS_UNLIKELY(op2 == SMALL_ZERO)) { @@ -144,7 +138,7 @@ i_int_div(Fail, Live, Op1, Op2, Dst) { $NEXT0(); } } - $OUTLINED_ARITH_2($Fail, $Live, int_div, BIF_intdiv_2, op1, op2, $Dst); + $OUTLINED_ARITH_2($Fail, int_div, BIF_intdiv_2, op1, op2, $Dst); } i_rem := rem.fetch.execute; @@ -158,7 +152,7 @@ rem.fetch(Src1, Src2) { RemOp2 = $Src2; } -rem.execute(Fail, Live, Dst) { +rem.execute(Fail, Dst) { if (ERTS_UNLIKELY(RemOp2 == SMALL_ZERO)) { c_p->freason = BADARITH; $BIF_ERROR_ARITY_2($Fail, BIF_rem_2, RemOp1, RemOp2); @@ -166,7 +160,7 @@ rem.execute(Fail, Live, Dst) { $Dst = make_small(signed_val(RemOp1) % signed_val(RemOp2)); $NEXT0(); } else { - $OUTLINED_ARITH_2($Fail, $Live, int_rem, BIF_rem_2, RemOp1, RemOp2, $Dst); + $OUTLINED_ARITH_2($Fail, int_rem, BIF_rem_2, RemOp1, RemOp2, $Dst); } } @@ -181,7 +175,7 @@ band.fetch(Src1, Src2) { BandOp2 = $Src2; } -band.execute(Fail, Live, Dst) { +band.execute(Fail, Dst) { if (ERTS_LIKELY(is_both_small(BandOp1, BandOp2))) { /* * No need to untag -- TAG & TAG == TAG. @@ -189,10 +183,10 @@ band.execute(Fail, Live, Dst) { $Dst = BandOp1 & BandOp2; $NEXT0(); } - $OUTLINED_ARITH_2($Fail, $Live, band, BIF_band_2, BandOp1, BandOp2, $Dst); + $OUTLINED_ARITH_2($Fail, band, BIF_band_2, BandOp1, BandOp2, $Dst); } -i_bor(Fail, Live, Src1, Src2, Dst) { +i_bor(Fail, Src1, Src2, Dst) { if (ERTS_LIKELY(is_both_small($Src1, $Src2))) { /* * No need to untag -- TAG | TAG == TAG. @@ -200,10 +194,10 @@ i_bor(Fail, Live, Src1, Src2, Dst) { $Dst = $Src1 | $Src2; $NEXT0(); } - $OUTLINED_ARITH_2($Fail, $Live, bor, BIF_bor_2, $Src1, $Src2, $Dst); + $OUTLINED_ARITH_2($Fail, bor, BIF_bor_2, $Src1, $Src2, $Dst); } -i_bxor(Fail, Live, Src1, Src2, Dst) { +i_bxor(Fail, Src1, Src2, Dst) { if (ERTS_LIKELY(is_both_small($Src1, $Src2))) { /* * TAG ^ TAG == 0. @@ -214,7 +208,7 @@ i_bxor(Fail, Live, Src1, Src2, Dst) { $Dst = ($Src1 ^ $Src2) | make_small(0); $NEXT0(); } - $OUTLINED_ARITH_2($Fail, $Live, bxor, BIF_bxor_2, $Src1, $Src2, $Dst); + $OUTLINED_ARITH_2($Fail, bxor, BIF_bxor_2, $Src1, $Src2, $Dst); } i_bsl := shift.setup_bsl.execute; @@ -265,7 +259,7 @@ shift.setup_bsl(Src1, Src2) { } } -shift.execute(Fail, Live, Dst) { +shift.execute(Fail, Dst) { Uint big_words_needed; if (ERTS_LIKELY(is_small(Op1))) { @@ -320,7 +314,9 @@ shift.execute(Fail, Live, Dst) { } { Eterm tmp_big[2]; - Sint big_need_size = BIG_NEED_SIZE(big_words_needed+1); + Sint big_need_size = 1 + BIG_NEED_SIZE(big_words_needed+1); + Eterm* hp; + Eterm* hp_end; /* * Slightly conservative check the size to avoid @@ -331,15 +327,16 @@ shift.execute(Fail, Live, Dst) { if (big_need_size-8 > BIG_ARITY_MAX) { $SYSTEM_LIMIT($Fail); } - $GC_TEST_PRESERVE(big_need_size+1, $Live, Op1); + hp = HeapFragOnlyAlloc(c_p, big_need_size); if (is_small(Op1)) { Op1 = small_to_big(signed_val(Op1), tmp_big); } - Op1 = big_lshift(Op1, shift_left_count, HTOP); + Op1 = big_lshift(Op1, shift_left_count, hp); + hp_end = hp + big_need_size; if (is_big(Op1)) { - HTOP += bignum_header_arity(*HTOP) + 1; + hp += bignum_header_arity(*hp) + 1; } - HEAP_SPACE_VERIFIED(0); + HRelease(c_p, hp_end, hp); if (ERTS_UNLIKELY(is_nil(Op1))) { /* * This result must have been only slighty larger @@ -349,7 +346,6 @@ shift.execute(Fail, Live, Dst) { $SYSTEM_LIMIT($Fail); } ERTS_HOLE_CHECK(c_p); - $REFRESH_GEN_DEST(); $Dst = Op1; $NEXT0(); } @@ -366,31 +362,28 @@ shift.execute(Fail, Live, Dst) { reg[0] = Op1; reg[1] = Op2; SWAPOUT; - if (IsOpCode(I[0], i_bsl_ssjtd)) { + if (IsOpCode(I[0], i_bsl_ssjd)) { I = handle_error(c_p, I, reg, &bif_export[BIF_bsl_2]->info.mfa); } else { - ASSERT(IsOpCode(I[0], i_bsr_ssjtd)); + ASSERT(IsOpCode(I[0], i_bsr_ssjd)); I = handle_error(c_p, I, reg, &bif_export[BIF_bsr_2]->info.mfa); } goto post_error_handling; } } -i_int_bnot(Fail, Src, Live, Dst) { +i_int_bnot(Fail, Src, Dst) { Eterm bnot_val = $Src; + Eterm result; + if (ERTS_LIKELY(is_small(bnot_val))) { - bnot_val = make_small(~signed_val(bnot_val)); + result = make_small(~signed_val(bnot_val)); } else { - Uint live = $Live; - HEAVY_SWAPOUT; - reg[live] = bnot_val; - bnot_val = erts_gc_bnot(c_p, reg, live); - HEAVY_SWAPIN; + result = erts_bnot(c_p, bnot_val); ERTS_HOLE_CHECK(c_p); - if (ERTS_UNLIKELY(is_nil(bnot_val))) { - $BIF_ERROR_ARITY_1($Fail, BIF_bnot_1, reg[live]); + if (ERTS_UNLIKELY(is_nil(result))) { + $BIF_ERROR_ARITY_1($Fail, BIF_bnot_1, bnot_val); } - $REFRESH_GEN_DEST(); } - $Dst = bnot_val; + $Dst = result; } |