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| author | Christophe Gisquet <christophe.gisquet@gmail.com> | 2014-08-06 07:43:43 +0000 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-08-06 19:25:08 +0200 |
| commit | 75837e9add4ea55c6c8906b5de8ba0d9641bd3a2 (patch) | |
| tree | 325b3f7b6e417dadb0e9fe3861d718d01052f1ee /libavcodec/x86/fft.asm | |
| parent | 51dd80e7510ea0f024c3ebffa43bfe47db259e01 (diff) | |
| download | ffmpeg-75837e9add4ea55c6c8906b5de8ba0d9641bd3a2.tar.gz | |
x86: sbrdsp/fft: reuse ps_neg constant
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/x86/fft.asm')
| -rw-r--r-- | libavcodec/x86/fft.asm | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/libavcodec/x86/fft.asm b/libavcodec/x86/fft.asm index cae404c1a2..877997e7a6 100644 --- a/libavcodec/x86/fft.asm +++ b/libavcodec/x86/fft.asm @@ -68,9 +68,10 @@ perm1: dd 0x00, 0x02, 0x03, 0x01, 0x03, 0x00, 0x02, 0x01 perm2: dd 0x00, 0x01, 0x02, 0x03, 0x01, 0x00, 0x02, 0x03 ps_p1p1m1p1root2: dd 1.0, 1.0, -1.0, 1.0, M_SQRT1_2, M_SQRT1_2, M_SQRT1_2, M_SQRT1_2 ps_m1m1p1m1p1m1m1m1: dd 1<<31, 1<<31, 0, 1<<31, 0, 1<<31, 1<<31, 1<<31 -ps_m1m1m1m1: times 4 dd 1<<31 ps_m1p1: dd 1<<31, 0 +cextern ps_neg + %assign i 16 %rep 13 cextern cos_ %+ i @@ -685,7 +686,7 @@ cglobal imdct_calc, 3,5,3 mov r2, r3 sub r3, mmsize neg r2 - mova m2, [ps_m1m1m1m1] + mova m2, [ps_neg] .loop: %if mmsize == 8 PSWAPD m0, [r1 + r3] @@ -998,7 +999,7 @@ cglobal imdct_half, 3,12,8; FFTContext *s, FFTSample *output, const FFTSample *i sub r4, r3 %endif %if notcpuflag(3dnowext) && mmsize == 8 - movd m7, [ps_m1m1m1m1] + movd m7, [ps_neg] %endif .pre: %if ARCH_X86_64 == 0 |