From eba2233b58c2c4b468c58287d6537b2f1188a8cd Mon Sep 17 00:00:00 2001
From: Diego Biurrun <diego@biurrun.de>
Date: Mon, 21 Jul 2014 13:58:55 -0700
Subject: [PATCH] build: Add define for SIMD extensions requiring 16-byte
aligned buffers
---
configure | 6 +++---
libavcodec/utils.c | 2 +-
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/configure b/configure
index 1cc226530d0..6736f76c4f8 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 2abc37696fe..16c30c3497b 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
--
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