[FFmpeg-cvslog] r24510 - trunk/libavcodec/x86/vp8dsp.asm
rbultje
subversion
Mon Jul 26 16:00:15 CEST 2010
Author: rbultje
Date: Mon Jul 26 16:00:15 2010
New Revision: 24510
Log:
Save a register (or regsize of stackspace for x86-32) for the no-loop
mbedge loopfilter functions, by re-using space that holds a variable
that we no longer need.
Modified:
trunk/libavcodec/x86/vp8dsp.asm
Modified: trunk/libavcodec/x86/vp8dsp.asm
==============================================================================
--- trunk/libavcodec/x86/vp8dsp.asm Mon Jul 26 15:56:51 2010 (r24509)
+++ trunk/libavcodec/x86/vp8dsp.asm Mon Jul 26 16:00:15 2010 (r24510)
@@ -2200,11 +2200,15 @@ cglobal vp8_%2_loop_filter16y_mbedge_%1,
; align stack
mov stack_reg, rsp ; backup stack pointer
and rsp, ~(mmsize-1) ; align stack
+%ifidn %2, sse2
+ sub rsp, mmsize * 7
+%else
sub rsp, mmsize * 8 ; stack layout: [0]=E, [1]=I, [2]=hev_thr
; [3]=hev() result
; [4]=filter tmp result
; [5]/[6] = p2/q2 backup
; [7]=lim_res sign result
+%endif
%define flim_E [rsp]
%define flim_I [rsp+mmsize]
@@ -2215,7 +2219,11 @@ cglobal vp8_%2_loop_filter16y_mbedge_%1,
%define q0backup [rsp+mmsize*4]
%define p2backup [rsp+mmsize*5]
%define q2backup [rsp+mmsize*6]
+%ifidn %2, sse2
+%define lim_sign [rsp]
+%else
%define lim_sign [rsp+mmsize*7]
+%endif
mova flim_E, m0
mova flim_I, m1
@@ -2232,7 +2240,7 @@ cglobal vp8_%2_loop_filter16y_mbedge_%1,
%define q0backup m8
%define p2backup m13
%define q2backup m14
-%define lim_sign m15
+%define lim_sign m9
; splat function arguments
SPLATB_REG flim_E, E_reg, m7 ; E
@@ -2638,8 +2646,8 @@ cglobal vp8_%2_loop_filter16y_mbedge_%1,
pmullw m1, [pw_9]
paddw m6, m7
paddw m1, m7
-%ifdef m15
- SWAP 7, 15
+%ifdef m9
+ SWAP 7, 9
%else
mova m7, lim_sign
%endif
@@ -2749,29 +2757,29 @@ MBEDGE_LOOPFILTER mmxext, h, 6, 8, 0
INIT_XMM
%define SPLATB_REG SPLATB_REG_SSE2
%define WRITE_8W WRITE_8W_SSE2
-MBEDGE_LOOPFILTER sse2, v, 5, 16, 16
+MBEDGE_LOOPFILTER sse2, v, 5, 16, 15
%ifdef m8
-MBEDGE_LOOPFILTER sse2, h, 5, 16, 16
+MBEDGE_LOOPFILTER sse2, h, 5, 16, 15
%else
-MBEDGE_LOOPFILTER sse2, h, 6, 16, 16
+MBEDGE_LOOPFILTER sse2, h, 6, 16, 15
%endif
-MBEDGE_LOOPFILTER sse2, v, 6, 8, 16
-MBEDGE_LOOPFILTER sse2, h, 6, 8, 16
+MBEDGE_LOOPFILTER sse2, v, 6, 8, 15
+MBEDGE_LOOPFILTER sse2, h, 6, 8, 15
%define SPLATB_REG SPLATB_REG_SSSE3
-MBEDGE_LOOPFILTER ssse3, v, 5, 16, 16
+MBEDGE_LOOPFILTER ssse3, v, 5, 16, 15
%ifdef m8
-MBEDGE_LOOPFILTER ssse3, h, 5, 16, 16
+MBEDGE_LOOPFILTER ssse3, h, 5, 16, 15
%else
-MBEDGE_LOOPFILTER ssse3, h, 6, 16, 16
+MBEDGE_LOOPFILTER ssse3, h, 6, 16, 15
%endif
-MBEDGE_LOOPFILTER ssse3, v, 6, 8, 16
-MBEDGE_LOOPFILTER ssse3, h, 6, 8, 16
+MBEDGE_LOOPFILTER ssse3, v, 6, 8, 15
+MBEDGE_LOOPFILTER ssse3, h, 6, 8, 15
%define WRITE_8W WRITE_8W_SSE4
%ifdef m8
-MBEDGE_LOOPFILTER sse4, h, 5, 16, 16
+MBEDGE_LOOPFILTER sse4, h, 5, 16, 15
%else
-MBEDGE_LOOPFILTER sse4, h, 6, 16, 16
+MBEDGE_LOOPFILTER sse4, h, 6, 16, 15
%endif
-MBEDGE_LOOPFILTER sse4, h, 6, 8, 16
+MBEDGE_LOOPFILTER sse4, h, 6, 8, 15
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