shithub: libvpx

Info  •  Files  •  Log  •  Branches

vp8_loop_filter_bh_y_sse2: save/restore xmm registers

xmm[6-11] should be saved and restored for Windows x64; prevents an
encoder mismatch and some datarate issues.

Change-Id: I03c38eb18ec20c6c441cae19416393058baad1ee

--- a/vp8/common/x86/loopfilter_block_sse2.asm

+++ b/vp8/common/x86/loopfilter_block_sse2.asm

@@ -150,6 +150,7 @@

     push    rbp

     mov     rbp, rsp

+    SAVE_XMM 11

     push    r12

     push    r13

     mov     thresh, arg(4)

@@ -258,6 +259,7 @@

 %ifidn __OUTPUT_FORMAT__,x64

     pop    r13

     pop    r12

+    RESTORE_XMM

     pop    rbp

 %endif

-- 

⑨