diff --git a/Lib/test/test_capi/test_opt.py b/Lib/test/test_capi/test_opt.py index 0a85b19e06f158..e4c9a463855a69 100644 --- a/Lib/test/test_capi/test_opt.py +++ b/Lib/test/test_capi/test_opt.py @@ -2432,6 +2432,24 @@ def testfunc(n): self.assertIn("_POP_TOP_FLOAT", uops) + def test_unary_negative_long_float_type(self): + def testfunc(n): + for _ in range(n): + a = 9397 + f = 9397.0 + x = -a + -a + y = -f + -f + + testfunc(TIER2_THRESHOLD) + + ex = get_first_executor(testfunc) + self.assertIsNotNone(ex) + uops = get_opnames(ex) + + self.assertNotIn("_GUARD_TOS_INT", uops) + self.assertNotIn("_GUARD_NOS_INT", uops) + self.assertNotIn("_GUARD_TOS_FLOAT", uops) + self.assertNotIn("_GUARD_NOS_FLOAT", uops) def global_identity(x): return x diff --git a/Misc/NEWS.d/next/Core_and_Builtins/2025-06-06-19-17-22.gh-issue-131798.XoV8Eb.rst b/Misc/NEWS.d/next/Core_and_Builtins/2025-06-06-19-17-22.gh-issue-131798.XoV8Eb.rst new file mode 100644 index 00000000000000..6a9d9c683f9a8c --- /dev/null +++ b/Misc/NEWS.d/next/Core_and_Builtins/2025-06-06-19-17-22.gh-issue-131798.XoV8Eb.rst @@ -0,0 +1 @@ +Optimize ``_UNARY_NEGATIVE`` in JIT-compiled code. diff --git a/Python/optimizer_bytecodes.c b/Python/optimizer_bytecodes.c index f8fbaf232ffa2e..f8a0484bdc2b04 100644 --- a/Python/optimizer_bytecodes.c +++ b/Python/optimizer_bytecodes.c @@ -452,7 +452,13 @@ dummy_func(void) { res = sym_new_compact_int(ctx); } else { - res = sym_new_not_null(ctx); + PyTypeObject *type = sym_get_type(value); + if (type == &PyLong_Type || type == &PyFloat_Type) { + res = sym_new_type(ctx, type); + } + else { + res = sym_new_not_null(ctx); + } } } diff --git a/Python/optimizer_cases.c.h b/Python/optimizer_cases.c.h index 1e581afadc9569..10767ccdbd57f5 100644 --- a/Python/optimizer_cases.c.h +++ b/Python/optimizer_cases.c.h @@ -190,7 +190,13 @@ res = sym_new_compact_int(ctx); } else { - res = sym_new_not_null(ctx); + PyTypeObject *type = sym_get_type(value); + if (type == &PyLong_Type || type == &PyFloat_Type) { + res = sym_new_type(ctx, type); + } + else { + res = sym_new_not_null(ctx); + } } stack_pointer[-1] = res; break;