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

11 years ago · eba2233b58
parent 67bc1ba5d7
commit eba2233b58
2 changed files with 4 additions and 4 deletions
--- a/6
+++ b/6
@ -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

--- 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