From fdd1186f9775cec72bcaaf98739b4d5f2e08b0ac Mon Sep 17 00:00:00 2001 From: James Zern Date: Tue, 20 Sep 2016 20:22:08 -0700 Subject: vpx_idct32x32_34_add_sse2: rm unneeded transposes this change is neutral to mildly positive across various x86-64 platforms Change-Id: I28fb5ae598fc1317b7a42c9a846ac5d57d104784 --- vpx_dsp/x86/inv_txfm_sse2.c | 10 ---------- 1 file changed, 10 deletions(-) (limited to 'vpx_dsp') 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. -- cgit v1.2.3