[X86] _mm_addsub_pd is not valid for constexpr (#167363)

RKSimon · web-flow · commit e9d3340b5749 · 2025-11-10T18:56:13.000Z
Typo in #156822 Part of #166814
diff --git a/clang/lib/Headers/pmmintrin.h b/clang/lib/Headers/pmmintrin.h
@@ -166,7 +166,7 @@ _mm_moveldup_ps(__m128 __a)
 ///    A 128-bit vector of [2 x double] containing the right source operand.
 /// \returns A 128-bit vector of [2 x double] containing the alternating sums
 ///    and differences of both operands.
-static __inline__ __m128d __DEFAULT_FN_ATTRS_CONSTEXPR
+static __inline__ __m128d __DEFAULT_FN_ATTRS
 _mm_addsub_pd(__m128d __a, __m128d __b) {
   return __builtin_ia32_addsubpd((__v2df)__a, (__v2df)__b);
 }

Original file line number	Diff line number	Diff line change
`@@ -166,7 +166,7 @@ _mm_moveldup_ps(__m128 __a)`
`166`	`166`	`/// A 128-bit vector of [2 x double] containing the right source operand.`
`167`	`167`	`/// \returns A 128-bit vector of [2 x double] containing the alternating sums`
`168`	`168`	`/// and differences of both operands.`
`169`		`-static __inline__ __m128d __DEFAULT_FN_ATTRS_CONSTEXPR`
	`169`	`+static __inline__ __m128d __DEFAULT_FN_ATTRS`
`170`	`170`	`_mm_addsub_pd(__m128d __a, __m128d __b) {`
`171`	`171`	`return __builtin_ia32_addsubpd((__v2df)__a, (__v2df)__b);`
`172`	`172`	`}`