disable slower assembly code

This commit is contained in:
Miroslav Lichvar 2013-06-03 13:32:01 +02:00
parent c70f69a90a
commit 35436149fe
2 changed files with 29 additions and 0 deletions

27
flac-no_rice_asm.patch Normal file
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@ -0,0 +1,27 @@
From 4e5a0bacf021737fb1a8366ad07dc66f3286b1be Mon Sep 17 00:00:00 2001
From: Miroslav Lichvar <mlichvar@redhat.com>
Date: Mon, 3 Jun 2013 13:25:47 +0200
Subject: [PATCH 2/2] Don't use
FLAC__bitreader_read_rice_signed_block_asm_ia32_bswap.
It seems to be slower than the C function.
---
src/libFLAC/stream_decoder.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/src/libFLAC/stream_decoder.c b/src/libFLAC/stream_decoder.c
index f987c27..bc9c715 100644
--- a/src/libFLAC/stream_decoder.c
+++ b/src/libFLAC/stream_decoder.c
@@ -400,7 +400,7 @@ static FLAC__StreamDecoderInitStatus init_stream_internal_(
#ifdef FLAC__CPU_IA32
FLAC__ASSERT(decoder->private_->cpuinfo.type == FLAC__CPUINFO_TYPE_IA32);
#ifdef FLAC__HAS_NASM
-#if 1 /*@@@@@@ OPT: not clearly faster, needs more testing */
+#if 0 /*@@@@@@ OPT: not clearly faster, needs more testing */
if(decoder->private_->cpuinfo.data.ia32.bswap)
decoder->private_->local_bitreader_read_rice_signed_block = FLAC__bitreader_read_rice_signed_block_asm_ia32_bswap;
#endif
--
1.8.1.4

View File

@ -18,6 +18,7 @@ BuildRequires: nasm >= 2.0
%endif
Patch1: flac-metaflac_strcat.patch
Patch2: flac-no_rice_asm.patch
%description
FLAC stands for Free Lossless Audio Codec. Grossly oversimplified, FLAC
@ -57,6 +58,7 @@ will use the Free Lossless Audio Codec.
%prep
%setup -q
%patch1 -p1 -b .metaflac-strcat
%patch2 -p1 -b .no_rice_asm
%build
# use our libtool to avoid problems with RPATH