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build: Add define for SIMD extensions requiring 16-byte aligned buffers

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This commit is contained in:
Diego Biurrun 2014-07-21 13:58:55 -07:00
parent 67bc1ba5d7
commit eba2233b58
2 changed files with 4 additions and 4 deletions
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6
configure vendored
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@ -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

2
libavcodec/utils.c
View File

@ -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