[FFmpeg-cvslog] avutil/mem_internal: local align should always work
Zhao Zhili
git at videolan.org
Fri Nov 29 07:16:25 EET 2024
ffmpeg | branch: master | Zhao Zhili <zhilizhao at tencent.com> | Fri Nov 15 18:56:27 2024 +0800| [59057aa807c4ee14d158ce6b55ecfa69f3541aea] | committer: Zhao Zhili
avutil/mem_internal: local align should always work
Signed-off-by: Zhao Zhili <zhilizhao at tencent.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=59057aa807c4ee14d158ce6b55ecfa69f3541aea
---
configure | 7 -------
libavutil/mem_internal.h | 28 ++++------------------------
2 files changed, 4 insertions(+), 31 deletions(-)
diff --git a/configure b/configure
index 44829b8eb9..d7b7b49f92 100755
--- a/configure
+++ b/configure
@@ -2246,7 +2246,6 @@ ARCH_FEATURES="
fast_clz
fast_cmov
fast_float16
- local_aligned
simd_align_16
simd_align_32
simd_align_64
@@ -5382,7 +5381,6 @@ elif enabled arm; then
elif enabled loongarch; then
- enable local_aligned
enable simd_align_32
enable fast_64bit
enable fast_clz
@@ -5449,7 +5447,6 @@ elif enabled mips; then
;;
# Cores from Loongson
loongson2e|loongson2f|loongson3*)
- enable local_aligned
enable simd_align_16
enable fast_64bit
enable fast_clz
@@ -6373,8 +6370,6 @@ elif enabled parisc; then
elif enabled ppc; then
- enable local_aligned
-
check_inline_asm dcbzl '"dcbzl 0, %0" :: "r"(0)'
check_inline_asm ibm_asm '"add 0, 0, 0"'
check_inline_asm ppc4xx '"maclhw r10, r11, r12"'
@@ -6413,8 +6408,6 @@ elif enabled x86; then
check_builtin rdtsc intrin.h "__rdtsc()"
check_builtin mm_empty mmintrin.h "_mm_empty()"
- enable local_aligned
-
# check whether EBP is available on x86
# As 'i' is stored on the stack, this program will crash
# if the base pointer is used to access it because the
diff --git a/libavutil/mem_internal.h b/libavutil/mem_internal.h
index 49262abf4b..249ec3a642 100644
--- a/libavutil/mem_internal.h
+++ b/libavutil/mem_internal.h
@@ -111,38 +111,18 @@
// to be forced to tokenize __VA_ARGS__
#define E1(x) x
-#define LOCAL_ALIGNED_A(a, t, v, s, o, ...) \
- uint8_t la_##v[sizeof(t s o) + (a)]; \
- t (*v) o = (void *)FFALIGN((uintptr_t)la_##v, a)
-
#define LOCAL_ALIGNED_D(a, t, v, s, o, ...) \
DECLARE_ALIGNED(a, t, la_##v) s o; \
t (*v) o = la_##v
#define LOCAL_ALIGNED(a, t, v, ...) LOCAL_ALIGNED_##a(t, v, __VA_ARGS__)
-#if HAVE_LOCAL_ALIGNED
-# define LOCAL_ALIGNED_4(t, v, ...) E1(LOCAL_ALIGNED_D(4, t, v, __VA_ARGS__,,))
-#else
-# define LOCAL_ALIGNED_4(t, v, ...) E1(LOCAL_ALIGNED_A(4, t, v, __VA_ARGS__,,))
-#endif
+#define LOCAL_ALIGNED_4(t, v, ...) E1(LOCAL_ALIGNED_D(4, t, v, __VA_ARGS__,,))
-#if HAVE_LOCAL_ALIGNED
-# define LOCAL_ALIGNED_8(t, v, ...) E1(LOCAL_ALIGNED_D(8, t, v, __VA_ARGS__,,))
-#else
-# define LOCAL_ALIGNED_8(t, v, ...) E1(LOCAL_ALIGNED_A(8, t, v, __VA_ARGS__,,))
-#endif
+#define LOCAL_ALIGNED_8(t, v, ...) E1(LOCAL_ALIGNED_D(8, t, v, __VA_ARGS__,,))
-#if HAVE_LOCAL_ALIGNED
-# define LOCAL_ALIGNED_16(t, v, ...) E1(LOCAL_ALIGNED_D(16, t, v, __VA_ARGS__,,))
-#else
-# define LOCAL_ALIGNED_16(t, v, ...) E1(LOCAL_ALIGNED_A(16, t, v, __VA_ARGS__,,))
-#endif
+#define LOCAL_ALIGNED_16(t, v, ...) E1(LOCAL_ALIGNED_D(16, t, v, __VA_ARGS__,,))
-#if HAVE_LOCAL_ALIGNED
-# define LOCAL_ALIGNED_32(t, v, ...) E1(LOCAL_ALIGNED_D(32, t, v, __VA_ARGS__,,))
-#else
-# define LOCAL_ALIGNED_32(t, v, ...) E1(LOCAL_ALIGNED_A(32, t, v, __VA_ARGS__,,))
-#endif
+#define LOCAL_ALIGNED_32(t, v, ...) E1(LOCAL_ALIGNED_D(32, t, v, __VA_ARGS__,,))
#endif /* AVUTIL_MEM_INTERNAL_H */
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