diff options
Diffstat (limited to 'erts/emulator/beam/beam_emu.c')
| -rw-r--r-- | erts/emulator/beam/beam_emu.c | 88 |
1 files changed, 55 insertions, 33 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index 27d19d2504..507aa7636c 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -1080,6 +1080,7 @@ static BeamInstr* apply_fun(Process* p, Eterm fun, static Eterm new_fun(Process* p, Eterm* reg, ErlFunEntry* fe, int num_free) NOINLINE; static Eterm new_map(Process* p, Eterm* reg, BeamInstr* I) NOINLINE; +static Eterm new_small_map_lit(Process* p, Eterm* reg, Uint* n_exp, BeamInstr* I) NOINLINE; static Eterm update_map_assoc(Process* p, Eterm* reg, Eterm map, BeamInstr* I) NOINLINE; static Eterm update_map_exact(Process* p, Eterm* reg, @@ -2461,6 +2462,17 @@ void process_main(Eterm * x_reg_array, FloatDef* f_reg_array) Next(3+Arg(2)); } + OpCase(i_new_small_map_lit_dIq): { + Eterm res; + Uint n; + + HEAVY_SWAPOUT; + res = new_small_map_lit(c_p, reg, &n, I-1); + HEAVY_SWAPIN; + StoreResult(res, Arg(0)); + Next(3+n); + } + #define PUT_TERM_REG(term, desc) \ do { \ switch (loader_tag(desc)) { \ @@ -6369,7 +6381,7 @@ BeamInstr *I, Uint stack_offset) { int arity; Export* ep; - Eterm tmp, this; + Eterm tmp; /* * Check the arguments which should be of the form apply(Module, @@ -6392,20 +6404,8 @@ BeamInstr *I, Uint stack_offset) while (1) { Eterm m, f, a; - /* The module argument may be either an atom or an abstract module - * (currently implemented using tuples, but this might change). - */ - this = THE_NON_VALUE; - if (is_not_atom(module)) { - Eterm* tp; - - if (is_not_tuple(module)) goto error; - tp = tuple_val(module); - if (arityval(tp[0]) < 1) goto error; - this = module; - module = tp[1]; - if (is_not_atom(module)) goto error; - } + + if (is_not_atom(module)) goto error; if (module != am_erlang || function != am_apply) break; @@ -6440,9 +6440,7 @@ BeamInstr *I, Uint stack_offset) } /* * Walk down the 3rd parameter of apply (the argument list) and copy - * the parameters to the x registers (reg[]). If the module argument - * was an abstract module, add 1 to the function arity and put the - * module argument in the n+1st x register as a THIS reference. + * the parameters to the x registers (reg[]). */ tmp = args; @@ -6459,9 +6457,6 @@ BeamInstr *I, Uint stack_offset) if (is_not_nil(tmp)) { /* Must be well-formed list */ goto error; } - if (this != THE_NON_VALUE) { - reg[arity++] = this; - } /* * Get the index into the export table, or failing that the export @@ -6500,18 +6495,7 @@ fixed_apply(Process* p, Eterm* reg, Uint arity, return 0; } - /* The module argument may be either an atom or an abstract module - * (currently implemented using tuples, but this might change). - */ - if (is_not_atom(module)) { - Eterm* tp; - if (is_not_tuple(module)) goto error; - tp = tuple_val(module); - if (arityval(tp[0]) < 1) goto error; - module = tp[1]; - if (is_not_atom(module)) goto error; - ++arity; - } + if (is_not_atom(module)) goto error; /* Handle apply of apply/3... */ if (module == am_erlang && function == am_apply && arity == 3) @@ -7035,6 +7019,44 @@ new_map(Process* p, Eterm* reg, BeamInstr* I) } static Eterm +new_small_map_lit(Process* p, Eterm* reg, Uint* n_exp, BeamInstr* I) +{ + Eterm* keys = tuple_val(Arg(3)); + Uint n = arityval(*keys); + Uint need = n + 1 /* hdr */ + 1 /*size*/ + 1 /* ptr */ + 1 /* arity */; + Uint i; + BeamInstr *ptr; + flatmap_t *mp; + Eterm *mhp; + Eterm *E; + + *n_exp = n; + ptr = &Arg(4); + + ASSERT(n <= MAP_SMALL_MAP_LIMIT); + + if (HeapWordsLeft(p) < need) { + erts_garbage_collect(p, need, reg, Arg(2)); + } + + mhp = p->htop; + E = p->stop; + + mp = (flatmap_t *)mhp; mhp += MAP_HEADER_FLATMAP_SZ; + mp->thing_word = MAP_HEADER_FLATMAP; + mp->size = n; + mp->keys = Arg(3); + + for (i = 0; i < n; i++) { + GET_TERM(*ptr++, *mhp++); + } + + p->htop = mhp; + + return make_flatmap(mp); +} + +static Eterm update_map_assoc(Process* p, Eterm* reg, Eterm map, BeamInstr* I) { Uint n; |