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| author | James Zern <jzern@google.com> | 2016-09-20 20:22:08 -0700 |
|---|---|---|
| committer | James Zern <jzern@google.com> | 2016-09-21 19:49:25 -0700 |
| commit | fdd1186f9775cec72bcaaf98739b4d5f2e08b0ac (patch) | |
| tree | 07d8e1d18f5d770681822cdd96e98293ce50b56e /vpx_dsp | |
| parent | b6e686b1ea0cb5d609de85836b829557660e7d55 (diff) | |
| download | libvpx-fdd1186f9775cec72bcaaf98739b4d5f2e08b0ac.tar libvpx-fdd1186f9775cec72bcaaf98739b4d5f2e08b0ac.tar.gz libvpx-fdd1186f9775cec72bcaaf98739b4d5f2e08b0ac.tar.bz2 libvpx-fdd1186f9775cec72bcaaf98739b4d5f2e08b0ac.zip | |
vpx_idct32x32_34_add_sse2: rm unneeded transposes
this change is neutral to mildly positive across various x86-64
platforms
Change-Id: I28fb5ae598fc1317b7a42c9a846ac5d57d104784
Diffstat (limited to 'vpx_dsp')
| -rw-r--r-- | vpx_dsp/x86/inv_txfm_sse2.c | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/vpx_dsp/x86/inv_txfm_sse2.c b/vpx_dsp/x86/inv_txfm_sse2.c index 330ae8d6a..cb56ad078 100644 --- a/vpx_dsp/x86/inv_txfm_sse2.c +++ b/vpx_dsp/x86/inv_txfm_sse2.c @@ -3066,17 +3066,7 @@ void vpx_idct32x32_34_add_sse2(const tran_low_t *input, uint8_t *dest, in[6] = load_input_data(input + 192); in[7] = load_input_data(input + 224); - for (i = 8; i < 32; ++i) { - in[i] = _mm_setzero_si128(); - } - array_transpose_8x8(in, in); - // TODO(hkuang): Following transposes are unnecessary. But remove them will - // lead to performance drop on some devices. - array_transpose_8x8(in + 8, in + 8); - array_transpose_8x8(in + 16, in + 16); - array_transpose_8x8(in + 24, in + 24); - IDCT32_34 // 1_D: Store 32 intermediate results for each 8x32 block. |