diff options
Diffstat (limited to 'libavutil/x86')
| -rw-r--r-- | libavutil/x86/x86inc.asm | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/libavutil/x86/x86inc.asm b/libavutil/x86/x86inc.asm index 9944b8f447..6878b355b3 100644 --- a/libavutil/x86/x86inc.asm +++ b/libavutil/x86/x86inc.asm @@ -792,7 +792,11 @@ SECTION .note.GNU-stack noalloc noexec nowrite progbits %endif %endmacro -; merge mmx and sse* +; Merge mmx and sse* +; m# is a simd regsiter of the currently selected size +; xm# is the corresponding xmmreg (if selcted xmm or ymm size), or mmreg (if selected mmx) +; ym# is the corresponding ymmreg (if selcted xmm or ymm size), or mmreg (if selected mmx) +; (All 3 remain in sync through SWAP.) %macro CAT_XDEFINE 3 %xdefine %1%2 %3 @@ -869,6 +873,26 @@ SECTION .note.GNU-stack noalloc noexec nowrite progbits INIT_XMM +%macro DECLARE_MMCAST 1 + %define mmmm%1 mm%1 + %define mmxmm%1 mm%1 + %define mmymm%1 mm%1 + %define xmmmm%1 mm%1 + %define xmmxmm%1 xmm%1 + %define xmmymm%1 xmm%1 + %define ymmmm%1 mm%1 + %define ymmxmm%1 ymm%1 + %define ymmymm%1 ymm%1 + %define xm%1 xmm %+ m%1 + %define ym%1 ymm %+ m%1 +%endmacro + +%assign i 0 +%rep 16 + DECLARE_MMCAST i +%assign i i+1 +%endrep + ; I often want to use macros that permute their arguments. e.g. there's no ; efficient way to implement butterfly or transpose or dct without swapping some ; arguments. |