x86/v210dec: don't reserve more xmm regs than needed

Prevents pointless register saving on win64 for the sse3 and avx versions of the function. Signed-off-by: James Almer <jamrial@gmail.com>
6 years ago · abf1aa87ab
parent b0e29357ba
commit abf1aa87ab
1 changed files with 1 additions and 1 deletions
--- a/libavcodec/x86/v210.asm
+++ b/libavcodec/x86/v210.asm
@ -39,7 +39,7 @@ SECTION .text
 %macro v210_planar_unpack 1

 ; v210_planar_unpack(const uint32_t *src, uint16_t *y, uint16_t *u, uint16_t *v, int width)
-cglobal v210_planar_unpack_%1, 5, 5, 8
+cglobal v210_planar_unpack_%1, 5, 5, 6 + 2 * cpuflag(avx2)
    movsxdifnidn r4, r4d
    lea    r1, [r1+2*r4]
    add    r2, r4