diff options
| author | Mark Shannon <mark@hotpy.org> | 2024-03-26 09:35:11 (GMT) |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-03-26 09:35:11 (GMT) |
| commit | bf82f77957a31c3731b4ec470c406f5708ca9ba3 (patch) | |
| tree | 89b5e94311e0ae020754155b243be49607af4bf4 /Python/optimizer_cases.c.h | |
| parent | 61599a48f52e951d8813877ee311d2a830ba2cd8 (diff) | |
| download | cpython-bf82f77957a31c3731b4ec470c406f5708ca9ba3.zip cpython-bf82f77957a31c3731b4ec470c406f5708ca9ba3.tar.gz cpython-bf82f77957a31c3731b4ec470c406f5708ca9ba3.tar.bz2 | |
GH-116422: Tier2 hot/cold splitting (GH-116813)
Splits the "cold" path, deopts and exits, from the "hot" path, reducing the size of most jitted instructions, at the cost of slower exits.
Diffstat (limited to 'Python/optimizer_cases.c.h')
| -rw-r--r-- | Python/optimizer_cases.c.h | 57 |
1 files changed, 17 insertions, 40 deletions
diff --git a/Python/optimizer_cases.c.h b/Python/optimizer_cases.c.h index 6aeea51..df73cc0 100644 --- a/Python/optimizer_cases.c.h +++ b/Python/optimizer_cases.c.h @@ -769,14 +769,7 @@ break; } - case _LOAD_NAME: { - _Py_UopsSymbol *v; - v = sym_new_not_null(ctx); - if (v == NULL) goto out_of_space; - stack_pointer[0] = v; - stack_pointer += 1; - break; - } + /* _LOAD_NAME is not a viable micro-op for tier 2 */ case _LOAD_GLOBAL: { _Py_UopsSymbol *res; @@ -900,14 +893,7 @@ break; } - case _BUILD_SET: { - _Py_UopsSymbol *set; - set = sym_new_not_null(ctx); - if (set == NULL) goto out_of_space; - stack_pointer[-oparg] = set; - stack_pointer += 1 - oparg; - break; - } + /* _BUILD_SET is not a viable micro-op for tier 2 */ case _BUILD_MAP: { _Py_UopsSymbol *map; @@ -1408,31 +1394,9 @@ /* _FOR_ITER_GEN is not a viable micro-op for tier 2 */ - case _BEFORE_ASYNC_WITH: { - _Py_UopsSymbol *exit; - _Py_UopsSymbol *res; - exit = sym_new_not_null(ctx); - if (exit == NULL) goto out_of_space; - res = sym_new_not_null(ctx); - if (res == NULL) goto out_of_space; - stack_pointer[-1] = exit; - stack_pointer[0] = res; - stack_pointer += 1; - break; - } + /* _BEFORE_ASYNC_WITH is not a viable micro-op for tier 2 */ - case _BEFORE_WITH: { - _Py_UopsSymbol *exit; - _Py_UopsSymbol *res; - exit = sym_new_not_null(ctx); - if (exit == NULL) goto out_of_space; - res = sym_new_not_null(ctx); - if (res == NULL) goto out_of_space; - stack_pointer[-1] = exit; - stack_pointer[0] = res; - stack_pointer += 1; - break; - } + /* _BEFORE_WITH is not a viable micro-op for tier 2 */ case _WITH_EXCEPT_START: { _Py_UopsSymbol *res; @@ -2029,3 +1993,16 @@ break; } + case _DEOPT: { + break; + } + + case _SIDE_EXIT: { + break; + } + + case _ERROR_POP_N: { + stack_pointer += -oparg; + break; + } + |