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avcodec/x86/pngdsp: Remove obsolete ff_add_bytes_l2_mmx() 

It is overridden by ff_add_bytes_l2_sse2() on any non-ancient CPU.

Reviewed-by: Henrik Gramner <henrik@gramner.com>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2022-07-25 05:41:37 +02:00
parent 39a538f430
commit cddb25c848
2 changed files with 2 additions and 21 deletions
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16
libavcodec/x86/pngdsp.asm
View File

@ -29,9 +29,8 @@ cextern pw_255
SECTION .text
; %1 = nr. of xmm registers used
%macro ADD_BYTES_FN 1
cglobal add_bytes_l2, 4, 6, %1, dst, src1, src2, wa, w, i
INIT_XMM sse2
cglobal add_bytes_l2, 4, 6, 2, dst, src1, src2, wa, w, i
%if ARCH_X86_64
movsxd waq, wad
%endif
@ -53,7 +52,6 @@ cglobal add_bytes_l2, 4, 6, %1, dst, src1, src2, wa, w, i
cmp iq, waq
jl .loop_v
%if mmsize == 16
; vector loop
mov waq, wq
and waq, ~7
@ -66,7 +64,6 @@ cglobal add_bytes_l2, 4, 6, %1, dst, src1, src2, wa, w, i
.end_l:
cmp iq, waq
jl .loop_l
%endif
; scalar loop for leftover
jmp .end_s
@ -79,15 +76,6 @@ cglobal add_bytes_l2, 4, 6, %1, dst, src1, src2, wa, w, i
cmp iq, wq
jl .loop_s
REP_RET
%endmacro
%if ARCH_X86_32
INIT_MMX mmx
ADD_BYTES_FN 0
%endif
INIT_XMM sse2
ADD_BYTES_FN 2
%macro ADD_PAETH_PRED_FN 1
cglobal add_png_paeth_prediction, 5, 7, %1, dst, src, top, w, bpp, end, cntr

7
libavcodec/x86/pngdsp_init.c
View File

@ -20,7 +20,6 @@
*/
#include <stdint.h>
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/x86/cpu.h"
#include "libavcodec/pngdsp.h"
@ -29,8 +28,6 @@ void ff_add_png_paeth_prediction_mmxext(uint8_t *dst, uint8_t *src,
uint8_t *top, int w, int bpp);
void ff_add_png_paeth_prediction_ssse3(uint8_t *dst, uint8_t *src,
uint8_t *top, int w, int bpp);
void ff_add_bytes_l2_mmx (uint8_t *dst, uint8_t *src1,
uint8_t *src2, int w);
void ff_add_bytes_l2_sse2(uint8_t *dst, uint8_t *src1,
uint8_t *src2, int w);
@ -38,10 +35,6 @@ av_cold void ff_pngdsp_init_x86(PNGDSPContext *dsp)
{
int cpu_flags = av_get_cpu_flags();
#if ARCH_X86_32
if (EXTERNAL_MMX(cpu_flags))
dsp->add_bytes_l2 = ff_add_bytes_l2_mmx;
#endif
if (EXTERNAL_MMXEXT(cpu_flags))
dsp->add_paeth_prediction = ff_add_png_paeth_prediction_mmxext;
if (EXTERNAL_SSE2(cpu_flags))