diff options
Diffstat (limited to 'erts')
| -rw-r--r-- | erts/emulator/beam/beam_emu.c | 46 | ||||
| -rw-r--r-- | erts/emulator/beam/beam_load.c | 42 | ||||
| -rw-r--r-- | erts/emulator/beam/ops.tab | 26 |
3 files changed, 95 insertions, 19 deletions
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c index 4e64dce95c..5f49032e23 100644 --- a/erts/emulator/beam/beam_emu.c +++ b/erts/emulator/beam/beam_emu.c @@ -710,6 +710,15 @@ void** beam_ops; Dst = _res; \ } while (0) +#define GetMapElementHash(Src, Key, Hx, Dst, Fail) \ + do { \ + Eterm _res = get_map_element_hash(Src, Key, Hx); \ + if (is_non_value(_res)) { \ + Fail; \ + } \ + Dst = _res; \ + } while (0) + #define IsFunction(X, Action) \ do { \ if ( !(is_any_fun(X)) ) { \ @@ -959,6 +968,7 @@ static Eterm update_map_assoc(Process* p, Eterm* reg, static Eterm update_map_exact(Process* p, Eterm* reg, Eterm map, BeamInstr* I) NOINLINE; static Eterm get_map_element(Eterm map, Eterm key); +static Eterm get_map_element_hash(Eterm map, Eterm key, Uint32 hx); /* * Functions not directly called by process_main(). OK to inline. @@ -6441,6 +6451,42 @@ static Eterm get_map_element(Eterm map, Eterm key) return vs ? *vs : THE_NON_VALUE; } +static Eterm get_map_element_hash(Eterm map, Eterm key, Uint32 hx) +{ + const Eterm *vs; + + if (is_flatmap(map)) { + flatmap_t *mp; + Eterm *ks; + Uint i; + Uint n; + + mp = (flatmap_t *)flatmap_val(map); + ks = flatmap_get_keys(mp); + vs = flatmap_get_values(mp); + n = flatmap_get_size(mp); + if (is_immed(key)) { + for (i = 0; i < n; i++) { + if (ks[i] == key) { + return vs[i]; + } + } + } else { + for (i = 0; i < n; i++) { + if (EQ(ks[i], key)) { + return vs[i]; + } + } + } + return THE_NON_VALUE; + } + + ASSERT(is_hashmap(map)); + ASSERT(hx == hashmap_make_hash(key)); + vs = erts_hashmap_get(hx, key, map); + return vs ? *vs : THE_NON_VALUE; +} + #define GET_TERM(term, dest) \ do { \ Eterm src = (Eterm)(term); \ diff --git a/erts/emulator/beam/beam_load.c b/erts/emulator/beam/beam_load.c index 1a6c6c16ad..ee319d0a78 100644 --- a/erts/emulator/beam/beam_load.c +++ b/erts/emulator/beam/beam_load.c @@ -4161,9 +4161,30 @@ map_key_sort(LoaderState* stp, GenOpArg Size, GenOpArg* Rest) return 1; } +static int +hash_genop_arg(LoaderState* stp, GenOpArg Key, Uint32* hx) +{ + switch (Key.type) { + case TAG_a: + *hx = hashmap_make_hash(Key.val); + return 1; + case TAG_i: + *hx = hashmap_make_hash(make_small(Key.val)); + return 1; + case TAG_n: + *hx = hashmap_make_hash(NIL); + return 1; + case TAG_q: + *hx = hashmap_make_hash(stp->literals[Key.val].term); + return 1; + default: + return 0; + } +} + /* * Replace a get_map_elements with one key to an instruction with one - * element + * element. */ static GenOp* @@ -4171,18 +4192,29 @@ gen_get_map_element(LoaderState* stp, GenOpArg Fail, GenOpArg Src, GenOpArg Size, GenOpArg* Rest) { GenOp* op; + GenOpArg Key; + Uint32 hx = 0; ASSERT(Size.type == TAG_u); NEW_GENOP(stp, op); op->next = NULL; - op->op = genop_get_map_element_4; - op->arity = 4; - op->a[0] = Fail; op->a[1] = Src; op->a[2] = Rest[0]; - op->a[3] = Rest[1]; + + Key = Rest[0]; + if (hash_genop_arg(stp, Key, &hx)) { + op->arity = 5; + op->op = genop_i_get_map_element_hash_5; + op->a[3].type = TAG_u; + op->a[3].val = (BeamInstr) hx; + op->a[4] = Rest[1]; + } else { + op->arity = 4; + op->op = genop_i_get_map_element_4; + op->a[3] = Rest[1]; + } return op; } diff --git a/erts/emulator/beam/ops.tab b/erts/emulator/beam/ops.tab index 23f5b75b7a..456f879ab5 100644 --- a/erts/emulator/beam/ops.tab +++ b/erts/emulator/beam/ops.tab @@ -1512,8 +1512,6 @@ has_map_fields Fail Src Size Rest=* => \ ## Transform get_map_elements(s) #{ K1 := V1, K2 := V2 } -get_map_element/4 - get_map_elements Fail Src=rxy Size=u==2 Rest=* => \ gen_get_map_element(Fail, Src, Size, Rest) get_map_elements Fail Src Size Rest=* | map_key_sort(Size, Rest) => \ @@ -1521,21 +1519,21 @@ get_map_elements Fail Src Size Rest=* | map_key_sort(Size, Rest) => \ i_get_map_elements f s I -get_map_element Fail Src=rxy Key=cx Dst => i_get_map_element Fail Src Key Dst -get_map_element Fail Src=rxy Key=ry Dst => \ +i_get_map_element Fail Src=rxy Key=ry Dst => \ move Key x | i_get_map_element Fail Src x Dst -get_map_element Fail Src Key Dst => jump Fail + +%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 c r -i_get_map_element f x c r -i_get_map_element f y c r -i_get_map_element f r c x -i_get_map_element f x c x -i_get_map_element f y c x -i_get_map_element f r c y -i_get_map_element f x c y -i_get_map_element f y c y i_get_map_element f r x r i_get_map_element f x x r i_get_map_element f y x r |