checkasm in [FFmpeg-devel] [PATCH 1/4] checkasm/rv34dsp: add
rv34_inv_transform_dc test
From 1aa51d60def8d4313c1b11a50528662ec832530e Mon Sep 17 00:00:00 2001
From: sunyuechi <sunyue...@iscas.ac.cn>
Date: Tue, 13 Feb 2024 08:41:20 +0800
Subject: [PATCH] x86: Remove MMX assembly rv34_inv_transform_dc in rv34dsp
This asm will cause checkasm to fail.
---
libavcodec/x86/rv34dsp.asm | 12 ------------
libavcodec/x86/rv34dsp_init.c | 2 --
2 files changed, 14 deletions(-)
diff --git a/libavcodec/x86/rv34dsp.asm b/libavcodec/x86/rv34dsp.asm
index f29bfd715c..82704843e6 100644
--- a/libavcodec/x86/rv34dsp.asm
+++ b/libavcodec/x86/rv34dsp.asm
@@ -44,18 +44,6 @@ SECTION .text
sar %1, 10
%endmacro
-INIT_MMX mmxext
-cglobal rv34_idct_dc_noround, 1, 2, 0
- movsx r1, word [r0]
- IDCT_DC_NOROUND r1
- movd m0, r1d
- pshufw m0, m0, 0
- movq [r0+ 0], m0
- movq [r0+ 8], m0
- movq [r0+16], m0
- movq [r0+24], m0
- RET
-
; Load coeffs and perform row transform
; Output: coeffs in mm[0467], rounder in mm5
%macro ROW_TRANSFORM 1
diff --git a/libavcodec/x86/rv34dsp_init.c b/libavcodec/x86/rv34dsp_init.c
index caa5c2d653..b865201cd2 100644
--- a/libavcodec/x86/rv34dsp_init.c
+++ b/libavcodec/x86/rv34dsp_init.c
@@ -25,7 +25,6 @@
#include "libavcodec/rv34dsp.h"
void ff_rv34_idct_dc_mmxext(int16_t *block);
-void ff_rv34_idct_dc_noround_mmxext(int16_t *block);
void ff_rv34_idct_dc_add_sse2(uint8_t *dst, ptrdiff_t stride, int dc);
void ff_rv34_idct_dc_add_sse4(uint8_t *dst, ptrdiff_t stride, int dc);
void ff_rv34_idct_add_mmxext(uint8_t *dst, ptrdiff_t stride, int16_t *block);
@@ -35,7 +34,6 @@ av_cold void ff_rv34dsp_init_x86(RV34DSPContext* c)
int cpu_flags = av_get_cpu_flags();
if (EXTERNAL_MMXEXT(cpu_flags)) {
- c->rv34_inv_transform_dc = ff_rv34_idct_dc_noround_mmxext;
c->rv34_idct_add = ff_rv34_idct_add_mmxext;
}
if (EXTERNAL_SSE2(cpu_flags))
--
2.43.1
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