[FFmpeg-cvslog] avcodec/x86/huffyuvdsp: Remove obsolete MMX functions
Andreas Rheinhardt
git at videolan.org
Wed Jun 22 15:29:48 EEST 2022
ffmpeg | branch: master | Andreas Rheinhardt <andreas.rheinhardt at outlook.com> | Mon Jun 20 06:41:42 2022 +0200| [4b6ffc2880e33d05ed1ab6bbc38e5a795f14b504] | committer: Andreas Rheinhardt
avcodec/x86/huffyuvdsp: Remove obsolete MMX functions
The only systems 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 at outlook.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=4b6ffc2880e33d05ed1ab6bbc38e5a795f14b504
---
libavcodec/x86/huffyuvdsp.asm | 23 +----------------------
libavcodec/x86/huffyuvdsp_init.c | 8 --------
2 files changed, 1 insertion(+), 30 deletions(-)
diff --git a/libavcodec/x86/huffyuvdsp.asm b/libavcodec/x86/huffyuvdsp.asm
index a1231f1b22..c5c40e991b 100644
--- a/libavcodec/x86/huffyuvdsp.asm
+++ b/libavcodec/x86/huffyuvdsp.asm
@@ -32,24 +32,15 @@ SECTION .text
%macro ADD_INT16 0
cglobal add_int16, 4,4,5, dst, src, mask, w, tmp
-%if mmsize > 8
test srcq, mmsize-1
jnz .unaligned
test dstq, mmsize-1
jnz .unaligned
-%endif
INT16_LOOP a, add
-%if mmsize > 8
.unaligned:
INT16_LOOP u, add
-%endif
%endmacro
-%if ARCH_X86_32
-INIT_MMX mmx
-ADD_INT16
-%endif
-
INIT_XMM sse2
ADD_INT16
@@ -60,7 +51,7 @@ ADD_INT16
; void add_hfyu_left_pred_bgr32(uint8_t *dst, const uint8_t *src,
; intptr_t w, uint8_t *left)
-%macro LEFT_BGR32 0
+INIT_XMM sse2
cglobal add_hfyu_left_pred_bgr32, 4,4,3, dst, src, w, left
shl wq, 2
movd m0, [leftq]
@@ -71,17 +62,12 @@ cglobal add_hfyu_left_pred_bgr32, 4,4,3, dst, src, w, left
.loop:
movu m1, [srcq+wq]
mova m2, m1
-%if mmsize == 8
- punpckhdq m0, m0
-%endif
LSHIFT m1, 4
paddb m1, m2
-%if mmsize == 16
pshufd m0, m0, q3333
mova m2, m1
LSHIFT m1, 8
paddb m1, m2
-%endif
paddb m0, m1
movu [dstq+wq], m0
add wq, mmsize
@@ -89,14 +75,7 @@ cglobal add_hfyu_left_pred_bgr32, 4,4,3, dst, src, w, left
movd m0, [dstq-4]
movd [leftq], m0
REP_RET
-%endmacro
-%if ARCH_X86_32
-INIT_MMX mmx
-LEFT_BGR32
-%endif
-INIT_XMM sse2
-LEFT_BGR32
; void add_hfyu_median_prediction_mmxext(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int mask, int w, int *left, int *left_top)
INIT_MMX mmxext
diff --git a/libavcodec/x86/huffyuvdsp_init.c b/libavcodec/x86/huffyuvdsp_init.c
index eb10de383d..239d3ca313 100644
--- a/libavcodec/x86/huffyuvdsp_init.c
+++ b/libavcodec/x86/huffyuvdsp_init.c
@@ -26,12 +26,9 @@
#include "libavutil/x86/cpu.h"
#include "libavcodec/huffyuvdsp.h"
-void ff_add_int16_mmx(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
void ff_add_int16_sse2(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
void ff_add_int16_avx2(uint16_t *dst, const uint16_t *src, unsigned mask, int w);
-void ff_add_hfyu_left_pred_bgr32_mmx(uint8_t *dst, const uint8_t *src,
- intptr_t w, uint8_t *left);
void ff_add_hfyu_left_pred_bgr32_sse2(uint8_t *dst, const uint8_t *src,
intptr_t w, uint8_t *left);
void ff_add_hfyu_median_pred_int16_mmxext(uint16_t *dst, const uint16_t *top, const uint16_t *diff, unsigned mask, int w, int *left, int *left_top);
@@ -41,11 +38,6 @@ av_cold void ff_huffyuvdsp_init_x86(HuffYUVDSPContext *c, enum AVPixelFormat pix
int cpu_flags = av_get_cpu_flags();
const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(pix_fmt);
- if (ARCH_X86_32 && EXTERNAL_MMX(cpu_flags)) {
- c->add_hfyu_left_pred_bgr32 = ff_add_hfyu_left_pred_bgr32_mmx;
- c->add_int16 = ff_add_int16_mmx;
- }
-
if (EXTERNAL_MMXEXT(cpu_flags) && pix_desc && pix_desc->comp[0].depth<16) {
c->add_hfyu_median_pred_int16 = ff_add_hfyu_median_pred_int16_mmxext;
}
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