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author | Michael Niedermayer <michaelni@gmx.at> | 2013-04-24 10:00:58 +0200 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2013-04-24 10:01:15 +0200 |
commit | c2a0833c09629176c3b1aee520c5575ff4835f45 (patch) | |
tree | 10d0fb08d370b191b489307f6652307c4d7d2027 /libavcodec/x86/dsputil_mmx.h | |
parent | 03b81df9e6734f405ab833b587337f9f602d15ae (diff) | |
parent | 6a8561dbd7c078eb75985f7011ad1ad3fda9e223 (diff) |
Merge commit '6a8561dbd7c078eb75985f7011ad1ad3fda9e223'
* commit '6a8561dbd7c078eb75985f7011ad1ad3fda9e223':
x86: Factorize duplicated inline assembly snippets
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/x86/dsputil_mmx.h')
-rw-r--r-- | libavcodec/x86/dsputil_mmx.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/libavcodec/x86/dsputil_mmx.h b/libavcodec/x86/dsputil_mmx.h index f3e32f38e3..1b68161faa 100644 --- a/libavcodec/x86/dsputil_mmx.h +++ b/libavcodec/x86/dsputil_mmx.h @@ -72,6 +72,82 @@ extern const double ff_pd_2[2]; "pcmpeqd %%" #regd ", %%" #regd " \n\t" \ "psrlw $15, %%" #regd ::) +#define JUMPALIGN() __asm__ volatile (".p2align 3"::) +#define MOVQ_ZERO(regd) __asm__ volatile ("pxor %%"#regd", %%"#regd ::) + +#define MOVQ_BFE(regd) \ + __asm__ volatile ( \ + "pcmpeqd %%"#regd", %%"#regd" \n\t" \ + "paddb %%"#regd", %%"#regd" \n\t" ::) + +#ifndef PIC +#define MOVQ_BONE(regd) __asm__ volatile ("movq %0, %%"#regd" \n\t" :: "m"(ff_bone)) +#define MOVQ_WTWO(regd) __asm__ volatile ("movq %0, %%"#regd" \n\t" :: "m"(ff_wtwo)) +#else +// for shared library it's better to use this way for accessing constants +// pcmpeqd -> -1 +#define MOVQ_BONE(regd) \ + __asm__ volatile ( \ + "pcmpeqd %%"#regd", %%"#regd" \n\t" \ + "psrlw $15, %%"#regd" \n\t" \ + "packuswb %%"#regd", %%"#regd" \n\t" ::) + +#define MOVQ_WTWO(regd) \ + __asm__ volatile ( \ + "pcmpeqd %%"#regd", %%"#regd" \n\t" \ + "psrlw $15, %%"#regd" \n\t" \ + "psllw $1, %%"#regd" \n\t"::) + +#endif + +// using regr as temporary and for the output result +// first argument is unmodifed and second is trashed +// regfe is supposed to contain 0xfefefefefefefefe +#define PAVGB_MMX_NO_RND(rega, regb, regr, regfe) \ + "movq "#rega", "#regr" \n\t" \ + "pand "#regb", "#regr" \n\t" \ + "pxor "#rega", "#regb" \n\t" \ + "pand "#regfe", "#regb" \n\t" \ + "psrlq $1, "#regb" \n\t" \ + "paddb "#regb", "#regr" \n\t" + +#define PAVGB_MMX(rega, regb, regr, regfe) \ + "movq "#rega", "#regr" \n\t" \ + "por "#regb", "#regr" \n\t" \ + "pxor "#rega", "#regb" \n\t" \ + "pand "#regfe", "#regb" \n\t" \ + "psrlq $1, "#regb" \n\t" \ + "psubb "#regb", "#regr" \n\t" + +// mm6 is supposed to contain 0xfefefefefefefefe +#define PAVGBP_MMX_NO_RND(rega, regb, regr, regc, regd, regp) \ + "movq "#rega", "#regr" \n\t" \ + "movq "#regc", "#regp" \n\t" \ + "pand "#regb", "#regr" \n\t" \ + "pand "#regd", "#regp" \n\t" \ + "pxor "#rega", "#regb" \n\t" \ + "pxor "#regc", "#regd" \n\t" \ + "pand %%mm6, "#regb" \n\t" \ + "pand %%mm6, "#regd" \n\t" \ + "psrlq $1, "#regb" \n\t" \ + "psrlq $1, "#regd" \n\t" \ + "paddb "#regb", "#regr" \n\t" \ + "paddb "#regd", "#regp" \n\t" + +#define PAVGBP_MMX(rega, regb, regr, regc, regd, regp) \ + "movq "#rega", "#regr" \n\t" \ + "movq "#regc", "#regp" \n\t" \ + "por "#regb", "#regr" \n\t" \ + "por "#regd", "#regp" \n\t" \ + "pxor "#rega", "#regb" \n\t" \ + "pxor "#regc", "#regd" \n\t" \ + "pand %%mm6, "#regb" \n\t" \ + "pand %%mm6, "#regd" \n\t" \ + "psrlq $1, "#regd" \n\t" \ + "psrlq $1, "#regb" \n\t" \ + "psubb "#regb", "#regr" \n\t" \ + "psubb "#regd", "#regp" \n\t" + void ff_dsputilenc_init_mmx(DSPContext* c, AVCodecContext *avctx); void ff_dsputil_init_pix_mmx(DSPContext* c, AVCodecContext *avctx); |