Stowage/cpython
2
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-10-31 21:51:50 +00:00
Code Issues Projects Releases Packages Wiki Activity

gh-105481: add pseudo-instructions to the bytecodes DSL (#105506)

Browse source
This commit is contained in:
Irit Katriel 2023-06-11 22:31:59 +01:00 • committed by GitHub
parent 20a56d8bec
commit 58f5227d7c
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
8 changed files with 507 additions and 267 deletions
Download patch file Download diff file Expand all files Collapse all files

12
Python/compile.c
View file

@ -134,7 +134,8 @@ enum {
int
_PyCompile_InstrSize(int opcode, int oparg)
{
assert(!IS_PSEUDO_OPCODE(opcode));
assert(IS_PSEUDO_OPCODE(opcode) == IS_PSEUDO_INSTR(opcode));
assert(!IS_PSEUDO_INSTR(opcode));
assert(HAS_ARG(opcode) || oparg == 0);
int extended_args = (0xFFFFFF < oparg) + (0xFFFF < oparg) + (0xFF < oparg);
int caches = _PyOpcode_Caches[opcode];
@ -241,9 +242,14 @@ instr_sequence_use_label(instr_sequence *seq, int lbl) {
return SUCCESS;
}
#define MAX_OPCODE 511
static int
instr_sequence_addop(instr_sequence *seq, int opcode, int oparg, location loc)
{
assert(0 <= opcode && opcode <= MAX_OPCODE);
assert(IS_PSEUDO_OPCODE(opcode) == IS_PSEUDO_INSTR(opcode));
assert(IS_WITHIN_OPCODE_RANGE(opcode));
assert(HAS_ARG(opcode) || HAS_TARGET(opcode) || oparg == 0);
assert(0 <= oparg && oparg < (1 << 30));
@ -1055,6 +1061,7 @@ compiler_addop_name(struct compiler_unit *u, location loc,
arg <<= 1;
}
if (opcode == LOAD_METHOD) {
assert(SAME_OPCODE_METADATA(LOAD_METHOD, LOAD_ATTR));
opcode = LOAD_ATTR;
arg <<= 1;
arg |= 1;
@ -1064,15 +1071,18 @@ 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));
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));
opcode = LOAD_SUPER_ATTR;
arg <<= 2;
}
if (opcode == LOAD_ZERO_SUPER_METHOD) {
assert(SAME_OPCODE_METADATA(LOAD_ZERO_SUPER_METHOD, LOAD_SUPER_ATTR));
opcode = LOAD_SUPER_ATTR;
arg <<= 2;
arg |= 1;