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ffmpeg-mt
Commit be9cdd8d authored by michael's avatar michael
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gcc does optimize writes to non volatile variables away if it didnt know that... 

gcc does optimize writes to non volatile variables away if it didnt know that they were read in between


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@209 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b
parent 7ed5fd36
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Showing with 4 additions and 4 deletions
libavcodec/libpostproc/postprocess.c
View file @ be9cdd8d
...@@ -116,8 +116,8 @@ Notes: ...@@ -116,8 +116,8 @@ Notes:
#define OPTIONS_ARRAY_SIZE 10 #define OPTIONS_ARRAY_SIZE 10
#ifdef HAVE_MMX #ifdef HAVE_MMX
static uint64_t __attribute__((aligned(8))) packedYOffset= 0x0000000000000000LL; static volatile uint64_t __attribute__((aligned(8))) packedYOffset= 0x0000000000000000LL;
static uint64_t __attribute__((aligned(8))) packedYScale= 0x0100010001000100LL; static volatile uint64_t __attribute__((aligned(8))) packedYScale= 0x0100010001000100LL;
static uint64_t __attribute__((aligned(8))) w05= 0x0005000500050005LL; static uint64_t __attribute__((aligned(8))) w05= 0x0005000500050005LL;
static uint64_t __attribute__((aligned(8))) w20= 0x0020002000200020LL; static uint64_t __attribute__((aligned(8))) w20= 0x0020002000200020LL;
static uint64_t __attribute__((aligned(8))) w1400= 0x1400140014001400LL; static uint64_t __attribute__((aligned(8))) w1400= 0x1400140014001400LL;
......
libavcodec/libpostproc/postprocess_template.c
View file @ be9cdd8d
...@@ -116,8 +116,8 @@ Notes: ...@@ -116,8 +116,8 @@ Notes:
#define OPTIONS_ARRAY_SIZE 10 #define OPTIONS_ARRAY_SIZE 10
#ifdef HAVE_MMX #ifdef HAVE_MMX
static uint64_t __attribute__((aligned(8))) packedYOffset= 0x0000000000000000LL; static volatile uint64_t __attribute__((aligned(8))) packedYOffset= 0x0000000000000000LL;
static uint64_t __attribute__((aligned(8))) packedYScale= 0x0100010001000100LL; static volatile uint64_t __attribute__((aligned(8))) packedYScale= 0x0100010001000100LL;
static uint64_t __attribute__((aligned(8))) w05= 0x0005000500050005LL; static uint64_t __attribute__((aligned(8))) w05= 0x0005000500050005LL;
static uint64_t __attribute__((aligned(8))) w20= 0x0020002000200020LL; static uint64_t __attribute__((aligned(8))) w20= 0x0020002000200020LL;
static uint64_t __attribute__((aligned(8))) w1400= 0x1400140014001400LL; static uint64_t __attribute__((aligned(8))) w1400= 0x1400140014001400LL;
......
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