From 8f86e6623811f7713d5e72c13797e20fffb3df62 Mon Sep 17 00:00:00 2001 From: James Darnley Date: Mon, 6 Nov 2017 15:43:39 +0100 Subject: avcodec: add stride alignment needed for AVX-512 --- configure | 2 ++ libavcodec/internal.h | 4 +++- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/configure b/configure index 07fb825f91..d3187d71ed 100755 --- a/configure +++ b/configure @@ -1892,6 +1892,7 @@ ARCH_FEATURES=" local_aligned simd_align_16 simd_align_32 + simd_align_64 " BUILTIN_LIST=" @@ -2394,6 +2395,7 @@ fast_clz_if_any="aarch64 alpha avr32 mips ppc x86" fast_unaligned_if_any="aarch64 ppc x86" simd_align_16_if_any="altivec neon sse" simd_align_32_if_any="avx" +simd_align_64_if_any="avx512" # system capabilities symver_if_any="symver_asm_label symver_gnu_asm" diff --git a/libavcodec/internal.h b/libavcodec/internal.h index 30cb9a0de1..fcbdb6c04d 100644 --- a/libavcodec/internal.h +++ b/libavcodec/internal.h @@ -87,7 +87,9 @@ #define FF_SIGNBIT(x) ((x) >> CHAR_BIT * sizeof(x) - 1) -#if HAVE_SIMD_ALIGN_32 +#if HAVE_SIMD_ALIGN_64 +# define STRIDE_ALIGN 64 /* AVX-512 */ +#elif HAVE_SIMD_ALIGN_32 # define STRIDE_ALIGN 32 #elif HAVE_SIMD_ALIGN_16 # define STRIDE_ALIGN 16 -- cgit v1.2.3