[SCM] libav/experimental: build: Add define for SIMD extensions requiring 16-byte aligned buffers
siretart at users.alioth.debian.org
siretart at users.alioth.debian.org
Sun Aug 10 16:03:59 UTC 2014
The following commit has been merged in the experimental branch:
commit eba2233b58c2c4b468c58287d6537b2f1188a8cd
Author: Diego Biurrun <diego at biurrun.de>
Date: Mon Jul 21 13:58:55 2014 -0700
build: Add define for SIMD extensions requiring 16-byte aligned buffers
diff --git a/configure b/configure
index 1cc2265..6736f76 100755
--- a/configure
+++ b/configure
@@ -1340,6 +1340,7 @@ ARCH_FEATURES="
fast_cmov
local_aligned_8
local_aligned_16
+ simd_align_16
"
BUILTIN_LIST="
@@ -1701,8 +1702,7 @@ aligned_stack_if_any="aarch64 ppc x86"
fast_64bit_if_any="aarch64 alpha ia64 mips64 parisc64 ppc64 sparc64 x86_64"
fast_clz_if_any="aarch64 alpha avr32 mips ppc x86"
fast_unaligned_if_any="aarch64 ppc x86"
-
-need_memalign="altivec neon sse"
+simd_align_16_if_any="altivec neon sse"
# system capabilities
log2_deps="!libc_msvcrt"
@@ -4430,7 +4430,7 @@ enabled_all dxva2 CoTaskMemFree &&
enable dxva2_lib
! enabled_any memalign posix_memalign aligned_malloc &&
- enabled_any $need_memalign && enable memalign_hack
+ enabled $simd_align_16 && enable memalign_hack
map 'enabled $v && intrinsics=${v#intrinsics_}' $INTRINSICS_LIST
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 2abc376..16c30c3 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -189,7 +189,7 @@ int ff_side_data_update_matrix_encoding(AVFrame *frame,
return 0;
}
-#if HAVE_NEON || ARCH_PPC || HAVE_MMX
+#if HAVE_SIMD_ALIGN_16
# define STRIDE_ALIGN 16
#else
# define STRIDE_ALIGN 8
--
Libav/FFmpeg packaging
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