[FFmpeg-devel] [PATCH] Remove some 3dnow remnants (PR #20748)

[mkver via ffmpeg-devel <ffmpeg-devel@ffmpeg.org>]

PR #20748 opened by mkver
URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20748
Patch URL: https://code.ffmpeg.org/FFmpeg/FFmpeg/pulls/20748.patch


>From 9a9edd8024bb57fcda318ba5e3f73f8a85611466 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Sat, 25 Oct 2025 07:04:39 +0200
Subject: [PATCH 1/2] configure: Remove 3dnow

The last 3dnow functions have been removed in commit
5ef613bcb0508f16bd5b190168183326391de9b0. So remove 3dnow
from configure; the only thing kept is that --disable-amd3dnow
is still accepted, but no longer advertised by --help.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
 configure | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/configure b/configure
index 9052f18bb9..0667083a3e 100755
--- a/configure
+++ b/configure
@@ -452,8 +452,6 @@ Optimization options (experts only):
   --disable-altivec        disable AltiVec optimizations
   --disable-vsx            disable VSX optimizations
   --disable-power8         disable POWER8 optimizations
-  --disable-amd3dnow       disable 3DNow! optimizations
-  --disable-amd3dnowext    disable 3DNow! extended optimizations
   --disable-mmx            disable MMX optimizations
   --disable-mmxext         disable MMXEXT optimizations
   --disable-sse            disable SSE optimizations
@@ -2861,8 +2859,6 @@ simd128_deps="wasm"
 x86_64_select="i686"
 x86_64_suggest="fast_cmov"
 
-amd3dnow_deps="mmx"
-amd3dnowext_deps="amd3dnow"
 i686_deps="x86"
 mmx_deps="x86"
 mmxext_deps="mmx"
@@ -8177,8 +8173,6 @@ if enabled x86; then
     echo "x86 assembler             ${x86asmexe}"
     echo "MMX enabled               ${mmx-no}"
     echo "MMXEXT enabled            ${mmxext-no}"
-    echo "3DNow! enabled            ${amd3dnow-no}"
-    echo "3DNow! extended enabled   ${amd3dnowext-no}"
     echo "SSE enabled               ${sse-no}"
     echo "SSSE3 enabled             ${ssse3-no}"
     echo "AESNI enabled             ${aesni-no}"
-- 
2.49.1


>From 7b5b29910ad39e8666f41ccc64cfb4064f4e08f6 Mon Sep 17 00:00:00 2001
From: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
Date: Sat, 25 Oct 2025 07:27:11 +0200
Subject: [PATCH 2/2] avutil/x86/cpu: Remove 3dnow flags, macros

Unused since 5ef613bcb0508f16bd5b190168183326391de9b0.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
---
 libavutil/x86/cpu.h | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/libavutil/x86/cpu.h b/libavutil/x86/cpu.h
index 40a1eef0ab..00e82255b1 100644
--- a/libavutil/x86/cpu.h
+++ b/libavutil/x86/cpu.h
@@ -22,11 +22,6 @@
 #include "libavutil/cpu.h"
 #include "libavutil/cpu_internal.h"
 
-#define AV_CPU_FLAG_AMD3DNOW    AV_CPU_FLAG_3DNOW
-#define AV_CPU_FLAG_AMD3DNOWEXT AV_CPU_FLAG_3DNOWEXT
-
-#define X86_AMD3DNOW(flags)         CPUEXT(flags, AMD3DNOW)
-#define X86_AMD3DNOWEXT(flags)      CPUEXT(flags, AMD3DNOWEXT)
 #define X86_MMX(flags)              CPUEXT(flags, MMX)
 #define X86_MMXEXT(flags)           CPUEXT(flags, MMXEXT)
 #define X86_SSE(flags)              CPUEXT(flags, SSE)
@@ -51,8 +46,6 @@
 #define X86_AESNI(flags)            CPUEXT(flags, AESNI)
 #define X86_AVX512(flags)           CPUEXT(flags, AVX512)
 
-#define EXTERNAL_AMD3DNOW(flags)    CPUEXT_SUFFIX(flags, _EXTERNAL, AMD3DNOW)
-#define EXTERNAL_AMD3DNOWEXT(flags) CPUEXT_SUFFIX(flags, _EXTERNAL, AMD3DNOWEXT)
 #define EXTERNAL_MMX(flags)         CPUEXT_SUFFIX(flags, _EXTERNAL, MMX)
 #define EXTERNAL_MMXEXT(flags)      CPUEXT_SUFFIX(flags, _EXTERNAL, MMXEXT)
 #define EXTERNAL_SSE(flags)         CPUEXT_SUFFIX(flags, _EXTERNAL, SSE)
@@ -82,8 +75,6 @@
 #define EXTERNAL_AVX512(flags)      CPUEXT_SUFFIX(flags, _EXTERNAL, AVX512)
 #define EXTERNAL_AVX512ICL(flags)   CPUEXT_SUFFIX(flags, _EXTERNAL, AVX512ICL)
 
-#define INLINE_AMD3DNOW(flags)      CPUEXT_SUFFIX(flags, _INLINE, AMD3DNOW)
-#define INLINE_AMD3DNOWEXT(flags)   CPUEXT_SUFFIX(flags, _INLINE, AMD3DNOWEXT)
 #define INLINE_MMX(flags)           CPUEXT_SUFFIX(flags, _INLINE, MMX)
 #define INLINE_MMXEXT(flags)        CPUEXT_SUFFIX(flags, _INLINE, MMXEXT)
 #define INLINE_SSE(flags)           CPUEXT_SUFFIX(flags, _INLINE, SSE)
-- 
2.49.1

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