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GH-111485: Generate instruction and uop metadata (GH-113287)

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Mark Shannon 2023-12-20 14:27:25 +00:00 • committed by GitHub
parent a545a86ec6
commit e96f26083b
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27 changed files with 1738 additions and 1269 deletions
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37
Python/compile.c
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@ -796,35 +796,12 @@ stack_effect(int opcode, int oparg, int jump)
// Specialized instructions are not supported.
return PY_INVALID_STACK_EFFECT;
}
int popped, pushed;
if (jump > 0) {
popped = _PyOpcode_num_popped(opcode, oparg, true);
pushed = _PyOpcode_num_pushed(opcode, oparg, true);
}
else {
popped = _PyOpcode_num_popped(opcode, oparg, false);
pushed = _PyOpcode_num_pushed(opcode, oparg, false);
}
int popped = _PyOpcode_num_popped(opcode, oparg);
int pushed = _PyOpcode_num_pushed(opcode, oparg);
if (popped < 0 || pushed < 0) {
return PY_INVALID_STACK_EFFECT;
}
if (jump >= 0) {
return pushed - popped;
}
if (jump < 0) {
// Compute max(pushed - popped, alt_pushed - alt_popped)
int alt_popped = _PyOpcode_num_popped(opcode, oparg, true);
int alt_pushed = _PyOpcode_num_pushed(opcode, oparg, true);
if (alt_popped < 0 || alt_pushed < 0) {
return PY_INVALID_STACK_EFFECT;
}
int diff = pushed - popped;
int alt_diff = alt_pushed - alt_popped;
if (alt_diff > diff) {
return alt_diff;
}
return diff;
}
return pushed - popped;
}
// Pseudo ops
@ -1125,7 +1102,7 @@ compiler_addop_name(struct compiler_unit *u, location loc,
arg <<= 1;
}
if (opcode == LOAD_METHOD) {
assert(SAME_OPCODE_METADATA(LOAD_METHOD, LOAD_ATTR));
assert(is_pseudo_target(LOAD_METHOD, LOAD_ATTR));
opcode = LOAD_ATTR;
arg <<= 1;
arg |= 1;
@ -1135,18 +1112,18 @@ compiler_addop_name(struct compiler_unit *u, location loc,
arg |= 2;
}
if (opcode == LOAD_SUPER_METHOD) {
assert(SAME_OPCODE_METADATA(LOAD_SUPER_METHOD, LOAD_SUPER_ATTR));
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(SAME_OPCODE_METADATA(LOAD_ZERO_SUPER_ATTR, LOAD_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(SAME_OPCODE_METADATA(LOAD_ZERO_SUPER_METHOD, LOAD_SUPER_ATTR));
assert(is_pseudo_target(LOAD_ZERO_SUPER_METHOD, LOAD_SUPER_ATTR));
opcode = LOAD_SUPER_ATTR;
arg <<= 2;
arg |= 1;