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avcodec/x86/h264_intrapred: Avoid reg-reg moves

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Possible if src of the PRED4x4_LOWPASS macro is not used lateron.
Saves 195B of .text here.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2026-06-14 13:54:29 +02:00
parent 485f195690
commit 93412ff602
1 changed files with 125 additions and 123 deletions
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libavcodec/x86/h264_intrapred.asm
+125 -123
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@@ -795,7 +795,9 @@ cglobal pred8x8_tm_vp8_8, 2,3,6
mova %5, %2
pavgb %2, %3
pxor %3, %5
%ifnidn %1, %4
mova %1, %4
%endif
pand %3, [pb_1]
psubusb %2, %3
pavgb %1, %2
@@ -828,8 +830,8 @@ cglobal pred8x8l_top_dc_8, 4,4,6
pxor m1, m5
.has_topright:
pxor m4, m4
PRED4x4_LOWPASS m0, m2, m1, m3, m5
psadbw m4, m0
PRED4x4_LOWPASS m3, m2, m1, m3, m5
psadbw m4, m3
paddw m4, [pw_4]
psrlw m4, 3
SPLATW m4, m4, 0
@@ -901,9 +903,9 @@ cglobal pred8x8l_dc_8, 4,5
.do_left:
movq mm0, mm4
PRED4x4_LOWPASS mm2, mm1, mm4, mm3, mm5
movq mm4, mm0
movq mm1, mm0
movq mm7, mm2
PRED4x4_LOWPASS mm1, mm3, mm0, mm4, mm5
PRED4x4_LOWPASS mm1, mm3, mm0, mm1, mm5
psllq mm1, 56
PALIGNR mm7, mm1, 7, mm3
movq mm0, [r0-8]
@@ -919,12 +921,12 @@ cglobal pred8x8l_dc_8, 4,5
jz .fix_tr_1
.body:
lea r1, [r0+r3*2]
PRED4x4_LOWPASS mm6, mm2, mm1, mm3, mm5
PRED4x4_LOWPASS mm3, mm2, mm1, mm3, mm5
pxor mm0, mm0
pxor mm1, mm1
lea r2, [r1+r3*2]
psadbw mm0, mm7
psadbw mm1, mm6
psadbw mm1, mm3
paddw mm0, [pw_8]
paddw mm0, mm1
lea r4, [r2+r3*2]
@@ -985,9 +987,9 @@ cglobal pred8x8l_horizontal_8, 4,4
PRED4x4_LOWPASS mm2, mm1, mm4, mm3, mm5
movq mm4, mm0
movq mm7, mm2
PRED4x4_LOWPASS mm1, mm3, mm0, mm4, mm5
psllq mm1, 56
PALIGNR mm7, mm1, 7, mm3
PRED4x4_LOWPASS mm4, mm3, mm0, mm4, mm5
psllq mm4, 56
PALIGNR mm7, mm4, 7, mm3
movq mm3, mm7
lea r1, [r0+r3*2]
movq mm7, mm3
@@ -1054,14 +1056,14 @@ cglobal pred8x8l_vertical_8, 4,4
psllq mm5, 56
pxor mm1, mm5
.body:
PRED4x4_LOWPASS mm0, mm2, mm1, mm3, mm5
PRED4x4_LOWPASS mm3, mm2, mm1, mm3, mm5
%rep 3
movq [r0+r3*1], mm0
movq [r0+r3*2], mm0
movq [r0+r3*1], mm3
movq [r0+r3*2], mm3
lea r0, [r0+r3*2]
%endrep
movq [r0+r3*1], mm0
movq [r0+r3*2], mm0
movq [r0+r3*1], mm3
movq [r0+r3*2], mm3
RET
%endmacro
@@ -1114,14 +1116,14 @@ cglobal pred8x8l_down_left_8, 4,4
movq2dq xmm3, mm4
test r2d, r2d ; top_right
jz .fix_tr_2
movq mm0, [r0+8]
movq mm5, mm0
movq mm2, mm0
movq mm4, mm0
movq mm1, [r0+8]
movq mm5, mm1
movq mm2, mm1
movq mm4, mm1
psrlq mm5, 56
PALIGNR mm2, mm3, 7, mm3
PALIGNR mm5, mm4, 1, mm4
PRED4x4_LOWPASS mm1, mm2, mm5, mm0, mm4
PRED4x4_LOWPASS mm1, mm2, mm5, mm1, mm4
.do_topright:
movq2dq xmm4, mm1
psrlq mm1, 56
@@ -1137,24 +1139,24 @@ cglobal pred8x8l_down_left_8, 4,4
movdqa xmm1, xmm3
pslldq xmm1, 1
INIT_XMM cpuname
PRED4x4_LOWPASS xmm0, xmm1, xmm2, xmm3, xmm4
psrldq xmm0, 1
movq [r0+r3*1], xmm0
psrldq xmm0, 1
movq [r0+r3*2], xmm0
psrldq xmm0, 1
PRED4x4_LOWPASS xmm3, xmm1, xmm2, xmm3, xmm4
psrldq xmm3, 1
movq [r0+r3*1], xmm3
psrldq xmm3, 1
movq [r0+r3*2], xmm3
psrldq xmm3, 1
lea r0, [r2+r3*2]
movq [r1+r3*1], xmm0
psrldq xmm0, 1
movq [r1+r3*2], xmm0
psrldq xmm0, 1
movq [r2+r3*1], xmm0
psrldq xmm0, 1
movq [r2+r3*2], xmm0
psrldq xmm0, 1
movq [r0+r3*1], xmm0
psrldq xmm0, 1
movq [r0+r3*2], xmm0
movq [r1+r3*1], xmm3
psrldq xmm3, 1
movq [r1+r3*2], xmm3
psrldq xmm3, 1
movq [r2+r3*1], xmm3
psrldq xmm3, 1
movq [r2+r3*2], xmm3
psrldq xmm3, 1
movq [r0+r3*1], xmm3
psrldq xmm3, 1
movq [r0+r3*2], xmm3
RET
%endmacro
@@ -1222,10 +1224,10 @@ cglobal pred8x8l_down_right_8, 4,5
.do_left:
movq mm0, mm4
PRED4x4_LOWPASS mm2, mm1, mm4, mm3, mm5
movq mm4, mm0
movq mm1, mm0
movq mm7, mm2
movq2dq xmm3, mm2
PRED4x4_LOWPASS mm1, mm3, mm0, mm4, mm5
PRED4x4_LOWPASS mm1, mm3, mm0, mm1, mm5
psllq mm1, 56
PALIGNR mm7, mm1, 7, mm3
movq2dq xmm1, mm7
@@ -1241,8 +1243,8 @@ cglobal pred8x8l_down_right_8, 4,5
test r2d, r2d
jz .fix_tr_1
.do_top:
PRED4x4_LOWPASS mm4, mm2, mm1, mm3, mm5
movq2dq xmm4, mm4
PRED4x4_LOWPASS mm3, mm2, mm1, mm3, mm5
movq2dq xmm4, mm3
lea r1, [r0+r3*2]
movdqa xmm0, xmm3
pslldq xmm4, 8
@@ -1258,22 +1260,22 @@ cglobal pred8x8l_down_right_8, 4,5
movdqa xmm2, xmm3
psrldq xmm2, 1
INIT_XMM cpuname
PRED4x4_LOWPASS xmm0, xmm1, xmm2, xmm3, xmm4
movdqa xmm1, xmm0
PRED4x4_LOWPASS xmm3, xmm1, xmm2, xmm3, xmm4
movdqa xmm1, xmm3
psrldq xmm1, 1
movq [r0+r3*2], xmm0
movq [r0+r3*2], xmm3
movq [r0+r3*1], xmm1
psrldq xmm0, 2
psrldq xmm3, 2
psrldq xmm1, 2
movq [r2+r3*2], xmm0
movq [r2+r3*2], xmm3
movq [r2+r3*1], xmm1
psrldq xmm0, 2
psrldq xmm3, 2
psrldq xmm1, 2
movq [r1+r3*2], xmm0
movq [r1+r3*2], xmm3
movq [r1+r3*1], xmm1
psrldq xmm0, 2
psrldq xmm3, 2
psrldq xmm1, 2
movq [r4+r3*2], xmm0
movq [r4+r3*2], xmm3
movq [r4+r3*1], xmm1
RET
%endmacro
@@ -1340,8 +1342,8 @@ cglobal pred8x8l_vertical_right_8, 4,5,6
jmp .do_top
.do_left:
movq mm0, mm4
PRED4x4_LOWPASS mm2, mm1, mm4, mm3, mm5
movq2dq xmm0, mm2
PRED4x4_LOWPASS mm3, mm1, mm4, mm3, mm5
movq2dq xmm0, mm3
movq mm0, [r0-8]
movq mm3, [r0]
movq mm1, [r0+8]
@@ -1354,9 +1356,9 @@ cglobal pred8x8l_vertical_right_8, 4,5,6
test r2d, r2d
jz .fix_tr_1
.do_top:
PRED4x4_LOWPASS mm6, mm2, mm1, mm3, mm5
PRED4x4_LOWPASS mm3, mm2, mm1, mm3, mm5
lea r1, [r0+r3*2]
movq2dq xmm4, mm6
movq2dq xmm4, mm3
pslldq xmm4, 8
por xmm0, xmm4
movdqa xmm1, xmm0
@@ -1367,19 +1369,19 @@ cglobal pred8x8l_vertical_right_8, 4,5,6
pslldq xmm1, 2
pavgb xmm2, xmm0
INIT_XMM cpuname
PRED4x4_LOWPASS xmm4, xmm3, xmm1, xmm0, xmm5
movdqa xmm0, [pw_ff00]
pandn xmm0, xmm4
movdqa xmm5, xmm4
psrlw xmm4, 8
packuswb xmm0, xmm4
movhlps xmm4, xmm0
PRED4x4_LOWPASS xmm0, xmm3, xmm1, xmm0, xmm5
movdqa xmm4, [pw_ff00]
pandn xmm4, xmm0
movdqa xmm5, xmm0
psrlw xmm0, 8
packuswb xmm4, xmm0
movhlps xmm0, xmm4
movhps [r0+r3*2], xmm5
movhps [r0+r3*1], xmm2
psrldq xmm5, 4
movss xmm5, xmm0
movss xmm5, xmm4
psrldq xmm2, 4
movss xmm2, xmm4
movss xmm2, xmm0
lea r0, [r2+r3*2]
psrldq xmm5, 1
psrldq xmm2, 1
@@ -1445,14 +1447,14 @@ cglobal pred8x8l_vertical_left_8, 4,4
movq2dq xmm4, mm4
test r2d, r2d
jz .fix_tr_2
movq mm0, [r0+8]
movq mm5, mm0
movq mm2, mm0
movq mm4, mm0
movq mm1, [r0+8]
movq mm5, mm1
movq mm2, mm1
movq mm4, mm1
psrlq mm5, 56
PALIGNR mm2, mm3, 7, mm3
PALIGNR mm5, mm4, 1, mm4
PRED4x4_LOWPASS mm1, mm2, mm5, mm0, mm4
PRED4x4_LOWPASS mm1, mm2, mm5, mm1, mm4
.do_topright:
movq2dq xmm3, mm1
lea r1, [r0+r3*2]
@@ -1466,23 +1468,23 @@ cglobal pred8x8l_vertical_left_8, 4,4
pavgb xmm3, xmm2
lea r2, [r1+r3*2]
INIT_XMM cpuname
PRED4x4_LOWPASS xmm0, xmm1, xmm2, xmm4, xmm5
psrldq xmm0, 1
PRED4x4_LOWPASS xmm4, xmm1, xmm2, xmm4, xmm5
psrldq xmm4, 1
movq [r0+r3*1], xmm3
movq [r0+r3*2], xmm0
movq [r0+r3*2], xmm4
lea r0, [r2+r3*2]
psrldq xmm3, 1
psrldq xmm0, 1
psrldq xmm4, 1
movq [r1+r3*1], xmm3
movq [r1+r3*2], xmm0
movq [r1+r3*2], xmm4
psrldq xmm3, 1
psrldq xmm0, 1
psrldq xmm4, 1
movq [r2+r3*1], xmm3
movq [r2+r3*2], xmm0
movq [r2+r3*2], xmm4
psrldq xmm3, 1
psrldq xmm0, 1
psrldq xmm4, 1
movq [r0+r3*1], xmm3
movq [r0+r3*2], xmm0
movq [r0+r3*2], xmm4
RET
%endmacro
@@ -1527,9 +1529,9 @@ cglobal pred8x8l_horizontal_up_8, 4,4
PALIGNR mm1, mm2, 1, mm2
movq mm0, mm4
PRED4x4_LOWPASS mm2, mm1, mm4, mm3, mm5
movq mm4, mm0
movq mm1, mm0
movq mm7, mm2
PRED4x4_LOWPASS mm1, mm3, mm0, mm4, mm5
PRED4x4_LOWPASS mm1, mm3, mm0, mm1, mm5
psllq mm1, 56
PALIGNR mm7, mm1, 7, mm3
lea r1, [r0+r3*2]
@@ -1643,8 +1645,8 @@ cglobal pred8x8l_horizontal_down_8, 4,5
PRED4x4_LOWPASS mm2, mm1, mm4, mm3, mm5
movq2dq xmm0, mm2
pslldq xmm0, 8
movq mm4, mm0
PRED4x4_LOWPASS mm1, mm3, mm0, mm4, mm5
movq mm1, mm0
PRED4x4_LOWPASS mm1, mm3, mm0, mm1, mm5
movq2dq xmm2, mm1
pslldq xmm2, 15
psrldq xmm2, 8
@@ -1665,14 +1667,14 @@ cglobal pred8x8l_horizontal_down_8, 4,5
movq2dq xmm1, mm4
test r2d, r2d
jz .fix_tr_2
movq mm0, [r0+8]
movq mm5, mm0
movq mm2, mm0
movq mm4, mm0
movq mm1, [r0+8]
movq mm5, mm1
movq mm2, mm1
movq mm4, mm1
psrlq mm5, 56
PALIGNR mm2, mm3, 7, mm3
PALIGNR mm5, mm4, 1, mm4
PRED4x4_LOWPASS mm1, mm2, mm5, mm0, mm4
PRED4x4_LOWPASS mm1, mm2, mm5, mm1, mm4
.do_topright:
movq2dq xmm5, mm1
pslldq xmm5, 8
@@ -1688,23 +1690,23 @@ INIT_XMM cpuname
movdqa xmm4, xmm1
pavgb xmm4, xmm3
lea r0, [r1+r3*2]
PRED4x4_LOWPASS xmm0, xmm1, xmm2, xmm3, xmm5
punpcklbw xmm4, xmm0
movhlps xmm0, xmm4
PRED4x4_LOWPASS xmm3, xmm1, xmm2, xmm3, xmm5
punpcklbw xmm4, xmm3
movhlps xmm3, xmm4
movq [r0+r3*2], xmm4
movq [r2+r3*2], xmm0
movq [r2+r3*2], xmm3
psrldq xmm4, 2
psrldq xmm0, 2
psrldq xmm3, 2
movq [r0+r3*1], xmm4
movq [r2+r3*1], xmm0
movq [r2+r3*1], xmm3
psrldq xmm4, 2
psrldq xmm0, 2
psrldq xmm3, 2
movq [r1+r3*2], xmm4
movq [r4+r3*2], xmm0
movq [r4+r3*2], xmm3
psrldq xmm4, 2
psrldq xmm0, 2
psrldq xmm3, 2
movq [r1+r3*1], xmm4
movq [r4+r3*1], xmm0
movq [r4+r3*1], xmm3
RET
%endmacro
@@ -1824,11 +1826,11 @@ cglobal pred4x4_vertical_vp8_8, 3,3
punpckldq m0, [r1] ;t0 t1 t2 t3 t4 t5 t6 t7
lea r1, [r0+r2*2]
psrlq m0, 8 ;t1 t2 t3 t4
PRED4x4_LOWPASS m3, m1, m0, m2, m4
movd [r0+r2*1], m3
movd [r0+r2*2], m3
movd [r1+r2*1], m3
movd [r1+r2*2], m3
PRED4x4_LOWPASS m2, m1, m0, m2, m4
movd [r0+r2*1], m2
movd [r0+r2*2], m2
movd [r1+r2*1], m2
movd [r1+r2*2], m2
RET
;-----------------------------------------------------------------------------
@@ -1841,12 +1843,12 @@ cglobal pred4x4_down_left_8, 3,3
movq m1, [r0]
punpckldq m1, [r1]
movq m2, m1
movq m3, m1
movq m0, m1
psllq m1, 8
pxor m2, m1
psrlq m2, 8
pxor m2, m3
PRED4x4_LOWPASS m0, m1, m2, m3, m4
pxor m2, m0
PRED4x4_LOWPASS m0, m1, m2, m0, m3
lea r1, [r0+r2*2]
psrlq m0, 8
movd [r0+r2*1], m0
@@ -1868,13 +1870,13 @@ cglobal pred4x4_vertical_left_8, 3,3
sub r0, r2
movq m1, [r0]
punpckldq m1, [r1]
movq m3, m1
movq m0, m1
movq m2, m1
psrlq m3, 8
psrlq m0, 8
psrlq m2, 16
movq m4, m3
movq m4, m0
pavgb m4, m1
PRED4x4_LOWPASS m0, m1, m2, m3, m5
PRED4x4_LOWPASS m0, m1, m2, m0, m5
lea r1, [r0+r2*2]
movh [r0+r2*1], m4
movh [r0+r2*2], m0
@@ -1908,8 +1910,8 @@ cglobal pred4x4_horizontal_up_8, 3,3
psrlq m2, 16
psrlq m3, 8
pavgb m7, m3
PRED4x4_LOWPASS m4, m0, m2, m3, m5
punpcklbw m7, m4
PRED4x4_LOWPASS m3, m0, m2, m3, m5
punpcklbw m7, m3
movd [r0+r2*1], m7
psrlq m7, 16
movd [r0+r2*2], m7
@@ -1943,16 +1945,16 @@ cglobal pred4x4_horizontal_down_8, 3,3
psrlq m0, 16 ; .. .. t2 t1 t0 lt l0 l1
psrlq m2, 8 ; .. t2 t1 t0 lt l0 l1 l2
pavgb m5, m2
PRED4x4_LOWPASS m3, m1, m0, m2, m4
punpcklbw m5, m3
psrlq m3, 32
PALIGNR m3, m5, 6, m4
PRED4x4_LOWPASS m2, m1, m0, m2, m4
punpcklbw m5, m2
psrlq m2, 32
PALIGNR m2, m5, 6, m4
movh [r1+r2*2], m5
psrlq m5, 16
movh [r1+r2*1], m5
psrlq m5, 16
movh [r0+r2*2], m5
movh [r0+r2*1], m3
movh [r0+r2*1], m2
RET
;-----------------------------------------------------------------------------
@@ -1974,17 +1976,17 @@ cglobal pred4x4_vertical_right_8, 3,3
PALIGNR m0, [r0+r2*2-8], 7, m2 ; ..t3t2t1t0ltl0l1
movq m2, m0
PALIGNR m0, [r1+r2*1-8], 7, m3 ; t3t2t1t0ltl0l1l2
PRED4x4_LOWPASS m3, m1, m0, m2, m4
movq m1, m3
psrlq m3, 16
PRED4x4_LOWPASS m2, m1, m0, m2, m4
movq m1, m2
psrlq m2, 16
psllq m1, 48
movh [r0+r2*1], m5
movh [r0+r2*2], m3
PALIGNR m5, m1, 7, m2
movh [r0+r2*2], m2
PALIGNR m5, m1, 7, m3
psllq m1, 8
movh [r1+r2*1], m5
PALIGNR m3, m1, 7, m1
movh [r1+r2*2], m3
PALIGNR m2, m1, 7, m1
movh [r1+r2*2], m2
RET
;-----------------------------------------------------------------------------
@@ -2004,9 +2006,9 @@ cglobal pred4x4_down_right_8, 3,3
PALIGNR m3, m1, 5, m1
movq m1, m3
PALIGNR m3, [r1+r2*1-8], 7, m4
movq m2, m3
movq m0, m3
PALIGNR m3, [r1+r2*2-8], 7, m4
PRED4x4_LOWPASS m0, m3, m1, m2, m4
PRED4x4_LOWPASS m0, m3, m1, m0, m4
movh [r1+r2*2], m0
psrlq m0, 8
movh [r1+r2*1], m0