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avcodec/x86/h264_deblock: Avoid MMX in deblock_h_luma_8

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Old benchmarks:
h264_h_loop_filter_luma_8bpp_c:                         59.9 ( 1.00x)
h264_h_loop_filter_luma_8bpp_sse2:                      67.9 ( 0.88x)
h264_h_loop_filter_luma_8bpp_avx:                       67.4 ( 0.89x)

New benchmarks:
h264_h_loop_filter_luma_8bpp_c:                         60.0 ( 1.00x)
h264_h_loop_filter_luma_8bpp_sse2:                      65.4 ( 0.92x)
h264_h_loop_filter_luma_8bpp_avx:                       65.3 ( 0.92x)

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt
2026-01-07 15:11:06 +01:00
parent 9882973935
commit 8428a412bc
1 changed files with 56 additions and 57 deletions
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113
libavcodec/x86/h264_deblock.asm
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@@ -37,35 +37,25 @@ cextern pb_0
cextern pb_1
cextern pb_3
; in: 4 rows of 8 bytes in m0..m3
; out: 8 rows of 4 bytes in %1..%8
%macro TRANSPOSE8x4B_STORE 8
punpckhdq m4, m0, m0
punpckhdq m5, m1, m1
punpckhdq m6, m2, m2
punpcklbw m0, m1
punpcklbw m2, m3
punpcklwd m1, m0, m2
punpckhwd m0, m2
movh %1, m1
punpckhdq m1, m1
movh %2, m1
movh %3, m0
punpckhdq m0, m0
movh %4, m0
punpckhdq m3, m3
punpcklbw m4, m5
punpcklbw m6, m3
punpcklwd m5, m4, m6
punpckhwd m4, m6
movh %5, m5
punpckhdq m5, m5
movh %6, m5
movh %7, m4
punpckhdq m4, m4
movh %8, m4
; in: 2 rows of 8 words in %1, %2
; out: 8 rows of 4 bytes in %3..%10
%macro TRANSPOSE8x4B_STORE 10
punpcklwd m6, %1, %2
movd %3, m6
pshufd m7, m6, 00110001b
punpckhqdq m6, m6
movd %4, m7
punpckhqdq m7, m7
punpckhwd %1, %2
movd %5, m6
movd %6, m7
pshufd m6, %1, 00110001b
movd %7, %1
punpckhqdq %1, %1
movd %8, m6
punpckhqdq m6, m6
movd %9, %1
movd %10, m6
%endmacro
%macro SBUTTERFLY3 4
@@ -297,8 +287,8 @@ cglobal deblock_v_luma_8, 5,5,10, pix_, stride_, alpha_, beta_, base3_
; void ff_deblock_h_luma(uint8_t *pix, int stride, int alpha, int beta,
; int8_t *tc0)
;-----------------------------------------------------------------------------
INIT_MMX cpuname
cglobal deblock_h_luma_8, 5,9,0,0x60+16*WIN64
cglobal deblock_h_luma_8, 5,9,8,0x60+16*WIN64
INIT_MMX cpuname
movsxd r7, r1d
lea r8, [r7+r7*2]
lea r6, [r0-4]
@@ -325,25 +315,30 @@ cglobal deblock_h_luma_8, 5,9,0,0x60+16*WIN64
%endif
call deblock_v_luma_8
; transpose 16x4 -> original space (only the middle 4 rows were changed by the filter)
add r6, 2
add r5, 2
movq m0, [pix_tmp+0x18]
movq m1, [pix_tmp+0x28]
movq m2, [pix_tmp+0x38]
movq m3, [pix_tmp+0x48]
TRANSPOSE8x4B_STORE PASS8ROWS(r6, r5, r7, r8)
INIT_XMM cpuname
; transpose 16x4 (only the middle 4 rows were changed by the filter)
mova m0, [pix_tmp+0x10]
mova m1, [pix_tmp+0x20]
mova m2, [pix_tmp+0x30]
mova m3, [pix_tmp+0x40]
punpckhbw m4, m0, m1
punpckhbw m5, m2, m3
TRANSPOSE8x4B_STORE m4, m5, PASS8ROWS(r6, r5, r7, r8)
punpcklbw m0, m1
punpcklbw m2, m3
shl r7, 3
sub r6, r7
sub r5, r7
shr r7, 3
movq m0, [pix_tmp+0x10]
movq m1, [pix_tmp+0x20]
movq m2, [pix_tmp+0x30]
movq m3, [pix_tmp+0x40]
TRANSPOSE8x4B_STORE PASS8ROWS(r6, r5, r7, r8)
TRANSPOSE8x4B_STORE m0, m2, PASS8ROWS(r6, r5, r7, r8)
RET
%endmacro
@@ -499,8 +494,8 @@ cglobal deblock_v_luma_8, 5,5,8,2*%1
; void ff_deblock_h_luma(uint8_t *pix, int stride, int alpha, int beta,
; int8_t *tc0)
;-----------------------------------------------------------------------------
INIT_MMX cpuname
cglobal deblock_h_luma_8, 0,5,8,0x60+12
INIT_MMX cpuname
mov r0, r0mp
mov r3, r1m
lea r4, [r3*3]
@@ -524,24 +519,28 @@ cglobal deblock_h_luma_8, 0,5,8,0x60+12
call deblock_v_luma_8
ADD esp, 20
; transpose 16x4 -> original space (only the middle 4 rows were changed by the filter)
mov r0, r0mp
sub r0, 2
INIT_XMM cpuname
movq m0, [pix_tmp+0x10]
movq m1, [pix_tmp+0x20]
lea r1, [r0+r4]
movq m2, [pix_tmp+0x30]
movq m3, [pix_tmp+0x40]
TRANSPOSE8x4B_STORE PASS8ROWS(r0, r1, r3, r4)
; transpose 16x4 (only the middle 4 rows were changed by the filter)
mova m0, [pix_tmp+0x10]
mova m1, [pix_tmp+0x20]
mova m2, [pix_tmp+0x30]
mova m3, [pix_tmp+0x40]
mov r0, r0mp
punpcklbw m4, m0, m1
sub r0, 2
punpcklbw m5, m2, m3
lea r1, [r0+r4]
TRANSPOSE8x4B_STORE m4, m5, PASS8ROWS(r0, r1, r3, r4)
punpckhbw m0, m1
lea r0, [r0+r3*8]
punpckhbw m2, m3
lea r1, [r1+r3*8]
movq m0, [pix_tmp+0x18]
movq m1, [pix_tmp+0x28]
movq m2, [pix_tmp+0x38]
movq m3, [pix_tmp+0x48]
TRANSPOSE8x4B_STORE PASS8ROWS(r0, r1, r3, r4)
TRANSPOSE8x4B_STORE m0, m2, PASS8ROWS(r0, r1, r3, r4)
RET
%endmacro ; DEBLOCK_LUMA