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gh-87729: improve hit rate of LOAD_SUPER_ATTR specialization (#104270)

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Carl Meyer 2023-05-11 08:08:13 -06:00 • committed by GitHub
parent ddc0e70a32
commit 77262458fe
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13 changed files with 374 additions and 352 deletions
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11
Python/opcode_metadata.h
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@ -209,6 +209,8 @@ _PyOpcode_num_popped(int opcode, int oparg, bool jump) {
return 2;
case LOAD_SUPER_ATTR:
return 3;
case LOAD_SUPER_ATTR_ATTR:
return 3;
case LOAD_SUPER_ATTR_METHOD:
return 3;
case LOAD_ATTR:
@ -599,6 +601,8 @@ _PyOpcode_num_pushed(int opcode, int oparg, bool jump) {
return 0;
case LOAD_SUPER_ATTR:
return ((oparg & 1) ? 1 : 0) + 1;
case LOAD_SUPER_ATTR_ATTR:
return ((oparg & 1) ? 1 : 0) + 1;
case LOAD_SUPER_ATTR_METHOD:
return 2;
case LOAD_ATTR:
@ -783,7 +787,7 @@ _PyOpcode_num_pushed(int opcode, int oparg, bool jump) {
}
#endif
enum InstructionFormat { INSTR_FMT_IB, INSTR_FMT_IBC, INSTR_FMT_IBC00, INSTR_FMT_IBC000, INSTR_FMT_IBC00000000, INSTR_FMT_IBIB, INSTR_FMT_IX, INSTR_FMT_IXC, INSTR_FMT_IXC000, INSTR_FMT_IXC00000000 };
enum InstructionFormat { INSTR_FMT_IB, INSTR_FMT_IBC, INSTR_FMT_IBC00, INSTR_FMT_IBC000, INSTR_FMT_IBC00000000, INSTR_FMT_IBIB, INSTR_FMT_IX, INSTR_FMT_IXC, INSTR_FMT_IXC000 };
struct opcode_metadata {
bool valid_entry;
enum InstructionFormat instr_format;
@ -892,8 +896,9 @@ const struct opcode_metadata _PyOpcode_opcode_metadata[256] = {
[DICT_UPDATE] = { true, INSTR_FMT_IB },
[DICT_MERGE] = { true, INSTR_FMT_IB },
[MAP_ADD] = { true, INSTR_FMT_IB },
[LOAD_SUPER_ATTR] = { true, INSTR_FMT_IBC00000000 },
[LOAD_SUPER_ATTR_METHOD] = { true, INSTR_FMT_IXC00000000 },
[LOAD_SUPER_ATTR] = { true, INSTR_FMT_IBC },
[LOAD_SUPER_ATTR_ATTR] = { true, INSTR_FMT_IBC },
[LOAD_SUPER_ATTR_METHOD] = { true, INSTR_FMT_IBC },
[LOAD_ATTR] = { true, INSTR_FMT_IBC00000000 },
[LOAD_ATTR_INSTANCE_VALUE] = { true, INSTR_FMT_IBC00000000 },
[LOAD_ATTR_MODULE] = { true, INSTR_FMT_IBC00000000 },