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gh-119676: remove several pseudo instructions which are use only in codegen (#119677)

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Irit Katriel 2024-05-28 20:05:38 +01:00 • committed by GitHub
parent 6b240c2308
commit ae9140f32a
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5 changed files with 23 additions and 71 deletions
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18
Python/compile.c
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@ -723,9 +723,6 @@ stack_effect(int opcode, int oparg, int jump)
case JUMP_NO_INTERRUPT:
return 0;
case EXIT_INIT_CHECK:
return -1;
/* Exception handling pseudo-instructions */
case SETUP_FINALLY:
/* 0 in the normal flow.
@ -746,12 +743,6 @@ stack_effect(int opcode, int oparg, int jump)
return -1;
case LOAD_CLOSURE:
return 1;
case LOAD_METHOD:
return 1;
case LOAD_SUPER_METHOD:
case LOAD_ZERO_SUPER_METHOD:
case LOAD_ZERO_SUPER_ATTR:
return -1;
default:
return PY_INVALID_STACK_EFFECT;
}
@ -997,6 +988,11 @@ compiler_addop_o(struct compiler_unit *u, location loc,
return codegen_addop_i(u->u_instr_sequence, opcode, arg, loc);
}
#define LOAD_METHOD -1
#define LOAD_SUPER_METHOD -2
#define LOAD_ZERO_SUPER_ATTR -3
#define LOAD_ZERO_SUPER_METHOD -4
static int
compiler_addop_name(struct compiler_unit *u, location loc,
int opcode, PyObject *dict, PyObject *o)
@ -1014,7 +1010,6 @@ compiler_addop_name(struct compiler_unit *u, location loc,
arg <<= 1;
}
if (opcode == LOAD_METHOD) {
assert(is_pseudo_target(LOAD_METHOD, LOAD_ATTR));
opcode = LOAD_ATTR;
arg <<= 1;
arg |= 1;
@ -1024,18 +1019,15 @@ compiler_addop_name(struct compiler_unit *u, location loc,
arg |= 2;
}
if (opcode == LOAD_SUPER_METHOD) {
assert(is_pseudo_target(LOAD_SUPER_METHOD, LOAD_SUPER_ATTR));
opcode = LOAD_SUPER_ATTR;
arg <<= 2;
arg |= 3;
}
if (opcode == LOAD_ZERO_SUPER_ATTR) {
assert(is_pseudo_target(LOAD_ZERO_SUPER_ATTR, LOAD_SUPER_ATTR));
opcode = LOAD_SUPER_ATTR;
arg <<= 2;
}
if (opcode == LOAD_ZERO_SUPER_METHOD) {
assert(is_pseudo_target(LOAD_ZERO_SUPER_METHOD, LOAD_SUPER_ATTR));
opcode = LOAD_SUPER_ATTR;
arg <<= 2;
arg |= 1;