https://bugs.llvm.org/show_bug.cgi?id=32839
Bug ID: 32839
Summary: [X86] Missing _mm256_zextpd128_pd256 et al. helper
intrinsics
Product: clang
Version: unspecified
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: Headers
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
ICC provides these helper intrinsics that are similar to their
'_mm256_castpd128_pd256' etc. siblings but guarantee zero extension of the
upper vector lanes.
avxintrin.h:
__m256d _mm256_zextpd128_pd256 (__m128d a)
__m256 _mm256_zextps128_ps256 (__m128 a)
__m256i _mm256_zextsi128_si256 (__m128i a)
avx512fintrin.h:
__m512d _mm512_zextpd128_pd512 (__m128d a)
__m512d _mm512_zextpd256_pd512 (__m256d a)
__m512 _mm512_zextps128_ps512 (__m128 a)
__m512 _mm512_zextps256_ps512 (__m256 a)
__m512i _mm512_zextsi128_si512 (__m128i a)
__m512i _mm512_zextsi256_si512 (__m256i a)
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