[FFmpeg-devel] [PATCH v2] libswscale/x86/yuv2rgb: Add missing EMMS

[Mario Hros]

Previous rewrite from inline assembly into nasm (commit e934194) missed the required EMMS instruction to bring the x87 FPU back into usable state.
This needs to be done for 8-byte MMX or Extended MMX only.

Signed-off-by: Mario Hros <k3x-devel at outlook.com>
---
 libswscale/x86/yuv_2_rgb.asm | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libswscale/x86/yuv_2_rgb.asm b/libswscale/x86/yuv_2_rgb.asm
index e3470fd9ad..5926133af8 100644
--- a/libswscale/x86/yuv_2_rgb.asm
+++ b/libswscale/x86/yuv_2_rgb.asm
@@ -354,6 +354,10 @@ add imageq, 8 * depth * time_num
 add indexq, 4 * time_num
 js .loop0
 
+%if mmsize == 8
+emms
+%endif
+
 RET
 
 %endmacro
-- 
2.39.3 (Apple Git-146)