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[Runtime] Fix overload resolution when targeting Haswell. #84221

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Merged
merged 1 commit into from
Sep 12, 2025
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[Runtime] Fix overload resolution when targeting Haswell. #84221

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4 changes: 2 additions & 2 deletions stdlib/public/runtime/Float16Support.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -71,11 +71,11 @@ static _Float16 fromEncoding(unsigned short s) {
// but who knows what could go wrong, and they're tiny functions.
# include <immintrin.h>

SWIFT_RUNTIME_EXPORT float __gnu_h2f_ieee(short h) {
SWIFT_RUNTIME_EXPORT float __gnu_h2f_ieee(unsigned short h) {
return _mm_cvtss_f32(_mm_cvtph_ps(_mm_set_epi64x(0,h)));
}

SWIFT_RUNTIME_EXPORT short __gnu_f2h_ieee(float f) {
SWIFT_RUNTIME_EXPORT unsigned short __gnu_f2h_ieee(float f) {
return (unsigned short)_mm_cvtsi128_si32(
_mm_cvtps_ph(_mm_set_ss(f), _MM_FROUND_CUR_DIRECTION)
);
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