summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorJames Darnley <jdarnley@obe.tv>2017-11-06 15:43:39 +0100
committerJames Darnley <james.darnley@gmail.com>2017-12-24 22:02:41 +0100
commit8f86e6623811f7713d5e72c13797e20fffb3df62 (patch)
treed31ecebf39215db8fe7c1b0c2b29e0f98ea2db61
parente2218ed8ce6e2f208b9279acc80b7e2b7f1eae6c (diff)
avcodec: add stride alignment needed for AVX-512
-rwxr-xr-xconfigure2
-rw-r--r--libavcodec/internal.h4
2 files changed, 5 insertions, 1 deletions
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