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Use psadbw to get the sum of bytes in a line.

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Thanks Jason for pointing that out on #vp8. ;-).

Change-Id: I5330a753e752a8704b78a409597472628e0b26a5
This commit is contained in:
Ronald S. Bultje
2011-04-27 13:49:21 -07:00
parent 085fb4b737
commit 1e7ded69cf
1 changed files with 4 additions and 18 deletions
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22
vp8/common/x86/recon_sse2.asm
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@@ -251,15 +251,8 @@ sym(vp8_intra_pred_uv_dc_mmx2):
movsxd rax, dword ptr arg(3) ;src_stride; movsxd rax, dword ptr arg(3) ;src_stride;
sub rsi, rax sub rsi, rax
pxor mm0, mm0 pxor mm0, mm0
movd mm1, [rsi] movq mm1, [rsi]
movd mm2, [rsi+4] psadbw mm1, mm0
punpcklbw mm1, mm0
punpcklbw mm2, mm0
paddw mm1, mm2
pshufw mm2, mm1, 0x0e
paddw mm1, mm2
pshufw mm2, mm1, 0x01
paddw mm1, mm2
; from left ; from left
dec rsi dec rsi
@@ -331,15 +324,8 @@ sym(vp8_intra_pred_uv_dctop_mmx2):
movsxd rax, dword ptr arg(3) ;src_stride; movsxd rax, dword ptr arg(3) ;src_stride;
sub rsi, rax sub rsi, rax
pxor mm0, mm0 pxor mm0, mm0
movd mm1, [rsi] movq mm1, [rsi]
movd mm2, [rsi+4] psadbw mm1, mm0
punpcklbw mm1, mm0
punpcklbw mm2, mm0
paddw mm1, mm2
pshufw mm2, mm1, 0x0e
paddw mm1, mm2
pshufw mm2, mm1, 0x01
paddw mm1, mm2
; add up ; add up
paddw mm1, [GLOBAL(dc_4)] paddw mm1, [GLOBAL(dc_4)]