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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 | |
| 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')
| -rw-r--r-- | libavcodec/x86/constants.c | 2 | ||||
| -rw-r--r-- | libavcodec/x86/constants.h | 2 | ||||
| -rw-r--r-- | libavcodec/x86/fft.asm | 7 | ||||
| -rw-r--r-- | libavcodec/x86/sbrdsp.asm | 2 |
4 files changed, 9 insertions, 4 deletions
diff --git a/libavcodec/x86/constants.c b/libavcodec/x86/constants.c index bfb0ff3036..5d2c2372da 100644 --- a/libavcodec/x86/constants.c +++ b/libavcodec/x86/constants.c @@ -56,3 +56,5 @@ DECLARE_ALIGNED(32, const ymm_reg, ff_pb_3) = { 0x0303030303030303ULL, 0x030 0x0303030303030303ULL, 0x0303030303030303ULL }; DECLARE_ALIGNED(16, const xmm_reg, ff_pb_80) = { 0x8080808080808080ULL, 0x8080808080808080ULL }; DECLARE_ALIGNED(8, const uint64_t, ff_pb_FC) = 0xFCFCFCFCFCFCFCFCULL; + +DECLARE_ALIGNED(16, const xmm_reg, ff_ps_neg) = { 0x8000000080000000ULL, 0x8000000080000000ULL }; diff --git a/libavcodec/x86/constants.h b/libavcodec/x86/constants.h index f73a9f26ec..e75fff9b9a 100644 --- a/libavcodec/x86/constants.h +++ b/libavcodec/x86/constants.h @@ -55,4 +55,6 @@ extern const xmm_reg ff_pb_80; extern const xmm_reg ff_pb_F8; extern const uint64_t ff_pb_FC; +extern const xmm_reg ff_ps_neg; + #endif /* AVCODEC_X86_CONSTANTS_H */ 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 diff --git a/libavcodec/x86/sbrdsp.asm b/libavcodec/x86/sbrdsp.asm index d556f27112..6f2e4f48d9 100644 --- a/libavcodec/x86/sbrdsp.asm +++ b/libavcodec/x86/sbrdsp.asm @@ -25,13 +25,13 @@ SECTION_RODATA ; mask equivalent for multiply by -1.0 1.0 ps_mask times 2 dd 1<<31, 0 ps_mask2 times 2 dd 0, 1<<31 -ps_neg times 4 dd 1<<31 ps_noise0 times 2 dd 1.0, 0.0, ps_noise2 times 2 dd -1.0, 0.0 ps_noise13 dd 0.0, 1.0, 0.0, -1.0 dd 0.0, -1.0, 0.0, 1.0 dd 0.0, 1.0, 0.0, -1.0 cextern sbr_noise_table +cextern ps_neg SECTION_TEXT |