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Fix Cycles AVX unit test still failing to build with old GCC

This commit is contained in:
Brecht Van Lommel 2020-04-02 18:19:28 +02:00
parent b8d9b5e331
commit 12628e0794
1 changed files with 2 additions and 2 deletions
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4
intern/cycles/util/util_simd.h
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@ -589,8 +589,8 @@ __forceinline __m128 _mm_round_ps_emu(__m128 value, const int flags)
# endif /* !(defined(__KERNEL_SSE41__) || defined(__SSE4_1__) || defined(__SSE4_2__)) */
/* Older GCC versions do not have _mm256_cvtss_f32 yet, so define it ourselves.
* _mm256_castps256_ps128 generates no instructions so this is jus as efficient. */
# ifdef __KERNEL_AVX__
* _mm256_castps256_ps128 generates no instructions so this is just as efficient. */
# if defined(__KERNEL_AVX__) || defined(__KERNEL_AVX2__)
# undef _mm256_cvtss_f32
# define _mm256_cvtss_f32(a) (_mm_cvtss_f32(_mm256_castps256_ps128(a)))
# endif