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[Headers][X86] _mm_cmpgt_epi64 is only available on SSE42 targets #160491

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Merged
merged 1 commit into from
Sep 24, 2025
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[Headers][X86] _mm_cmpgt_epi64 is only available on SSE42 targets #160491

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7 changes: 7 additions & 0 deletions clang/lib/Headers/smmintrin.h
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Original file line number Diff line number Diff line change
Expand Up @@ -1534,9 +1534,16 @@ static __inline__ __m128i __DEFAULT_FN_ATTRS _mm_minpos_epu16(__m128i __V) {
so we'll do the same. */

#undef __DEFAULT_FN_ATTRS
#undef __DEFAULT_FN_ATTRS_CONSTEXPR
#define __DEFAULT_FN_ATTRS \
__attribute__((__always_inline__, __nodebug__, __target__("sse4.2")))

#if defined(__cplusplus) && (__cplusplus >= 201103L)
#define __DEFAULT_FN_ATTRS_CONSTEXPR __DEFAULT_FN_ATTRS constexpr
#else
#define __DEFAULT_FN_ATTRS_CONSTEXPR __DEFAULT_FN_ATTRS
#endif

/* These specify the type of data that we're comparing. */
#define _SIDD_UBYTE_OPS 0x00
#define _SIDD_UWORD_OPS 0x01
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