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Use MMX ASM fucntions instead of SSE4.1 if available

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These SSE4.1 functions are not always faster than their MMX ASM counterparts,
so let's use ASM functions if they're available.
This commit is contained in:
lvqcl 2019-03-02 23:56:03 +03:00 committed by Erik de Castro Lopo
parent b936e398e2
commit 12ec86c618
1 changed files with 2 additions and 0 deletions
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2
src/libFLAC/stream_decoder.c
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@ -396,8 +396,10 @@ static FLAC__StreamDecoderInitStatus init_stream_internal_(
#if FLAC__HAS_X86INTRIN && ! defined FLAC__INTEGER_ONLY_LIBRARY
# if defined FLAC__SSE4_1_SUPPORTED
if (decoder->private_->cpuinfo.x86.sse41) {
# if !defined FLAC__HAS_NASM /* these are not undoubtedly faster than their MMX ASM counterparts */
decoder->private_->local_lpc_restore_signal = FLAC__lpc_restore_signal_intrin_sse41;
decoder->private_->local_lpc_restore_signal_16bit = FLAC__lpc_restore_signal_16_intrin_sse41;
# endif
decoder->private_->local_lpc_restore_signal_64bit = FLAC__lpc_restore_signal_wide_intrin_sse41;
}
# endif