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Add and use DECLARE_ASM_CONST for constants used in assembler code.

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Should make it easier to work around compilation problems with e.g. ICC.

Originally committed as revision 11641 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2008-01-27 20:50:16 +00:00
parent 038f0f9b34
commit 766324fc49
4 changed files with 7 additions and 5 deletions
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2
libavcodec/h264.c
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@ -5303,7 +5303,7 @@ static inline int get_cabac_cbf_ctx( H264Context *h, int cat, int idx ) {
return ctx + 4 * cat;
}
static const attribute_used uint8_t last_coeff_flag_offset_8x8[63] = {
DECLARE_ASM_CONST(1, const uint8_t, last_coeff_flag_offset_8x8[63]) = {
0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,

4
libavcodec/i386/motion_est_mmx.c
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@ -24,13 +24,13 @@
#include "dsputil.h"
#include "x86_cpu.h"
static const __attribute__ ((aligned(8))) uint64_t round_tab[3]={
DECLARE_ASM_CONST(8, uint64_t, round_tab[3])={
0x0000000000000000ULL,
0x0001000100010001ULL,
0x0002000200020002ULL,
};
static attribute_used __attribute__ ((aligned(8))) uint64_t bone= 0x0101010101010101LL;
DECLARE_ASM_CONST(8, uint64_t, bone)= 0x0101010101010101LL;
static inline void sad8_1_mmx(uint8_t *blk1, uint8_t *blk2, int stride, int h)
{

4
libavcodec/i386/simple_idct_mmx.c
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@ -48,8 +48,8 @@
#define ROW_SHIFT 11
#define COL_SHIFT 20 // 6
static const uint64_t attribute_used __attribute__((aligned(8))) wm1010= 0xFFFF0000FFFF0000ULL;
static const uint64_t attribute_used __attribute__((aligned(8))) d40000= 0x0000000000040000ULL;
DECLARE_ASM_CONST(8, uint64_t, wm1010)= 0xFFFF0000FFFF0000ULL;
DECLARE_ASM_CONST(8, uint64_t, d40000)= 0x0000000000040000ULL;
DECLARE_ALIGNED(8, static const int16_t, coeffs[])= {
1<<(ROW_SHIFT-1), 0, 1<<(ROW_SHIFT-1), 0,

2
libavutil/mem.h
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@ -28,8 +28,10 @@
#ifdef __GNUC__
#define DECLARE_ALIGNED(n,t,v) t v __attribute__ ((aligned (n)))
#define DECLARE_ASM_CONST(n,t,v) static const t v attribute_used __attribute__ ((aligned (n)))
#else
#define DECLARE_ALIGNED(n,t,v) __declspec(align(n)) t v
#define DECLARE_ASM_CONST(n,t,v) __declspec(align(n)) static const t v
#endif
/**