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Code Issues Releases Activity

avcodec/x86/vp3dsp: Remove obsolete MMX functions

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The only system which benefit from these are truely ancient
32bit x86s as all other systems use at least the SSE2 versions
(this includes all x64 cpus (which is why this code is restricted
to x86-32)).

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-06-13 16:57:39 +02:00
parent ed42a51930
commit eefec06634
2 changed files with 0 additions and 69 deletions
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62
libavcodec/x86/vp3dsp.asm
View File

@ -571,40 +571,25 @@ cglobal vp3_idct_put, 3, 4, 9
mova m1, [r2+mmsize*2+%%i]
mova m2, [r2+mmsize*4+%%i]
mova m3, [r2+mmsize*6+%%i]
%if mmsize == 8
packsswb m0, [r2+mmsize*8+%%i]
packsswb m1, [r2+mmsize*10+%%i]
packsswb m2, [r2+mmsize*12+%%i]
packsswb m3, [r2+mmsize*14+%%i]
%else
packsswb m0, [r2+mmsize*1+%%i]
packsswb m1, [r2+mmsize*3+%%i]
packsswb m2, [r2+mmsize*5+%%i]
packsswb m3, [r2+mmsize*7+%%i]
%endif
paddb m0, m4
paddb m1, m4
paddb m2, m4
paddb m3, m4
movq [r0 ], m0
%if mmsize == 8
movq [r0+r1 ], m1
movq [r0+r1*2], m2
movq [r0+r3 ], m3
%else
movhps [r0+r1 ], m0
movq [r0+r1*2], m1
movhps [r0+r3 ], m1
%endif
%if %%i == 0
lea r0, [r0+r1*4]
%endif
%if mmsize == 16
movq [r0 ], m2
movhps [r0+r1 ], m2
movq [r0+r1*2], m3
movhps [r0+r3 ], m3
%endif
%assign %%i %%i+8
%endrep
@ -621,7 +606,6 @@ cglobal vp3_idct_add, 3, 4, 9
lea r3, [r1*3]
pxor m4, m4
%if mmsize == 16
%assign %%i 0
%rep 2
movq m0, [r0]
@ -647,47 +631,6 @@ cglobal vp3_idct_add, 3, 4, 9
%endif
%assign %%i %%i+64
%endrep
%else
%assign %%i 0
%rep 2
movq m0, [r0]
movq m1, [r0+r1]
movq m2, [r0+r1*2]
movq m3, [r0+r3]
movq m5, m0
movq m6, m1
movq m7, m2
punpcklbw m0, m4
punpcklbw m1, m4
punpcklbw m2, m4
punpckhbw m5, m4
punpckhbw m6, m4
punpckhbw m7, m4
paddsw m0, [r2+ 0+%%i]
paddsw m1, [r2+16+%%i]
paddsw m2, [r2+32+%%i]
paddsw m5, [r2+64+%%i]
paddsw m6, [r2+80+%%i]
paddsw m7, [r2+96+%%i]
packuswb m0, m5
movq m5, m3
punpcklbw m3, m4
punpckhbw m5, m4
packuswb m1, m6
paddsw m3, [r2+48+%%i]
paddsw m5, [r2+112+%%i]
packuswb m2, m7
packuswb m3, m5
movq [r0 ], m0
movq [r0+r1 ], m1
movq [r0+r1*2], m2
movq [r0+r3 ], m3
%if %%i == 0
lea r0, [r0+r1*4]
%endif
%assign %%i %%i+8
%endrep
%endif
%assign %%i 0
%rep 128/mmsize
mova [r2+%%i], m4
@ -696,11 +639,6 @@ cglobal vp3_idct_add, 3, 4, 9
RET
%endmacro
%if ARCH_X86_32
INIT_MMX mmx
vp3_idct_funcs
%endif
INIT_XMM sse2
vp3_idct_funcs

7
libavcodec/x86/vp3dsp_init.c
View File

@ -26,9 +26,6 @@
#include "libavcodec/avcodec.h"
#include "libavcodec/vp3dsp.h"
void ff_vp3_idct_put_mmx(uint8_t *dest, ptrdiff_t stride, int16_t *block);
void ff_vp3_idct_add_mmx(uint8_t *dest, ptrdiff_t stride, int16_t *block);
void ff_vp3_idct_put_sse2(uint8_t *dest, ptrdiff_t stride, int16_t *block);
void ff_vp3_idct_add_sse2(uint8_t *dest, ptrdiff_t stride, int16_t *block);
@ -49,10 +46,6 @@ av_cold void ff_vp3dsp_init_x86(VP3DSPContext *c, int flags)
if (EXTERNAL_MMX(cpu_flags)) {
c->put_no_rnd_pixels_l2 = ff_put_vp_no_rnd_pixels8_l2_mmx;
#if ARCH_X86_32
c->idct_put = ff_vp3_idct_put_mmx;
c->idct_add = ff_vp3_idct_add_mmx;
#endif
}
if (EXTERNAL_MMXEXT(cpu_flags)) {