ref: 264a7ecfd8ed4938378928deb4233c187562dbe5
dir: /vpx_dsp/x86/fwd_txfm_sse2.h/
/* * Copyright (c) 2014 The WebM project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree. */ #ifndef VPX_VPX_DSP_X86_FWD_TXFM_SSE2_H_ #define VPX_VPX_DSP_X86_FWD_TXFM_SSE2_H_ #ifdef __cplusplus extern "C" { #endif #define pair_set_epi32(a, b) \ _mm_set_epi32((int)(b), (int)(a), (int)(b), (int)(a)) static INLINE __m128i k_madd_epi32(__m128i a, __m128i b) { __m128i buf0, buf1; buf0 = _mm_mul_epu32(a, b); a = _mm_srli_epi64(a, 32); b = _mm_srli_epi64(b, 32); buf1 = _mm_mul_epu32(a, b); return _mm_add_epi64(buf0, buf1); } static INLINE __m128i k_packs_epi64(__m128i a, __m128i b) { __m128i buf0 = _mm_shuffle_epi32(a, _MM_SHUFFLE(0, 0, 2, 0)); __m128i buf1 = _mm_shuffle_epi32(b, _MM_SHUFFLE(0, 0, 2, 0)); return _mm_unpacklo_epi64(buf0, buf1); } static INLINE int check_epi16_overflow_x2(const __m128i *preg0, const __m128i *preg1) { const __m128i max_overflow = _mm_set1_epi16(0x7fff); const __m128i min_overflow = _mm_set1_epi16((short)0x8000); __m128i cmp0 = _mm_or_si128(_mm_cmpeq_epi16(*preg0, max_overflow), _mm_cmpeq_epi16(*preg0, min_overflow)); __m128i cmp1 = _mm_or_si128(_mm_cmpeq_epi16(*preg1, max_overflow), _mm_cmpeq_epi16(*preg1, min_overflow)); cmp0 = _mm_or_si128(cmp0, cmp1); return _mm_movemask_epi8(cmp0); } static INLINE int check_epi16_overflow_x4(const __m128i *preg0, const __m128i *preg1, const __m128i *preg2, const __m128i *preg3) { const __m128i max_overflow = _mm_set1_epi16(0x7fff); const __m128i min_overflow = _mm_set1_epi16((short)0x8000); __m128i cmp0 = _mm_or_si128(_mm_cmpeq_epi16(*preg0, max_overflow), _mm_cmpeq_epi16(*preg0, min_overflow)); __m128i cmp1 = _mm_or_si128(_mm_cmpeq_epi16(*preg1, max_overflow), _mm_cmpeq_epi16(*preg1, min_overflow)); __m128i cmp2 = _mm_or_si128(_mm_cmpeq_epi16(*preg2, max_overflow), _mm_cmpeq_epi16(*preg2, min_overflow)); __m128i cmp3 = _mm_or_si128(_mm_cmpeq_epi16(*preg3, max_overflow), _mm_cmpeq_epi16(*preg3, min_overflow)); cmp0 = _mm_or_si128(_mm_or_si128(cmp0, cmp1), _mm_or_si128(cmp2, cmp3)); return _mm_movemask_epi8(cmp0); } static INLINE int check_epi16_overflow_x8( const __m128i *preg0, const __m128i *preg1, const __m128i *preg2, const __m128i *preg3, const __m128i *preg4, const __m128i *preg5, const __m128i *preg6, const __m128i *preg7) { int res0, res1; res0 = check_epi16_overflow_x4(preg0, preg1, preg2, preg3); res1 = check_epi16_overflow_x4(preg4, preg5, preg6, preg7); return res0 + res1; } static INLINE int check_epi16_overflow_x12( const __m128i *preg0, const __m128i *preg1, const __m128i *preg2, const __m128i *preg3, const __m128i *preg4, const __m128i *preg5, const __m128i *preg6, const __m128i *preg7, const __m128i *preg8, const __m128i *preg9, const __m128i *preg10, const __m128i *preg11) { int res0, res1; res0 = check_epi16_overflow_x4(preg0, preg1, preg2, preg3); res1 = check_epi16_overflow_x4(preg4, preg5, preg6, preg7); if (!res0) res0 = check_epi16_overflow_x4(preg8, preg9, preg10, preg11); return res0 + res1; } static INLINE int check_epi16_overflow_x16( const __m128i *preg0, const __m128i *preg1, const __m128i *preg2, const __m128i *preg3, const __m128i *preg4, const __m128i *preg5, const __m128i *preg6, const __m128i *preg7, const __m128i *preg8, const __m128i *preg9, const __m128i *preg10, const __m128i *preg11, const __m128i *preg12, const __m128i *preg13, const __m128i *preg14, const __m128i *preg15) { int res0, res1; res0 = check_epi16_overflow_x4(preg0, preg1, preg2, preg3); res1 = check_epi16_overflow_x4(preg4, preg5, preg6, preg7); if (!res0) { res0 = check_epi16_overflow_x4(preg8, preg9, preg10, preg11); if (!res1) res1 = check_epi16_overflow_x4(preg12, preg13, preg14, preg15); } return res0 + res1; } static INLINE int check_epi16_overflow_x32( const __m128i *preg0, const __m128i *preg1, const __m128i *preg2, const __m128i *preg3, const __m128i *preg4, const __m128i *preg5, const __m128i *preg6, const __m128i *preg7, const __m128i *preg8, const __m128i *preg9, const __m128i *preg10, const __m128i *preg11, const __m128i *preg12, const __m128i *preg13, const __m128i *preg14, const __m128i *preg15, const __m128i *preg16, const __m128i *preg17, const __m128i *preg18, const __m128i *preg19, const __m128i *preg20, const __m128i *preg21, const __m128i *preg22, const __m128i *preg23, const __m128i *preg24, const __m128i *preg25, const __m128i *preg26, const __m128i *preg27, const __m128i *preg28, const __m128i *preg29, const __m128i *preg30, const __m128i *preg31) { int res0, res1; res0 = check_epi16_overflow_x4(preg0, preg1, preg2, preg3); res1 = check_epi16_overflow_x4(preg4, preg5, preg6, preg7); if (!res0) { res0 = check_epi16_overflow_x4(preg8, preg9, preg10, preg11); if (!res1) { res1 = check_epi16_overflow_x4(preg12, preg13, preg14, preg15); if (!res0) { res0 = check_epi16_overflow_x4(preg16, preg17, preg18, preg19); if (!res1) { res1 = check_epi16_overflow_x4(preg20, preg21, preg22, preg23); if (!res0) { res0 = check_epi16_overflow_x4(preg24, preg25, preg26, preg27); if (!res1) res1 = check_epi16_overflow_x4(preg28, preg29, preg30, preg31); } } } } } return res0 + res1; } static INLINE int k_check_epi32_overflow_4(const __m128i *preg0, const __m128i *preg1, const __m128i *preg2, const __m128i *preg3, const __m128i *zero) { __m128i minus_one = _mm_set1_epi32(-1); // Check for overflows __m128i reg0_shifted = _mm_slli_epi64(*preg0, 1); __m128i reg1_shifted = _mm_slli_epi64(*preg1, 1); __m128i reg2_shifted = _mm_slli_epi64(*preg2, 1); __m128i reg3_shifted = _mm_slli_epi64(*preg3, 1); __m128i reg0_top_dwords = _mm_shuffle_epi32(reg0_shifted, _MM_SHUFFLE(0, 0, 3, 1)); __m128i reg1_top_dwords = _mm_shuffle_epi32(reg1_shifted, _MM_SHUFFLE(0, 0, 3, 1)); __m128i reg2_top_dwords = _mm_shuffle_epi32(reg2_shifted, _MM_SHUFFLE(0, 0, 3, 1)); __m128i reg3_top_dwords = _mm_shuffle_epi32(reg3_shifted, _MM_SHUFFLE(0, 0, 3, 1)); __m128i top_dwords_01 = _mm_unpacklo_epi64(reg0_top_dwords, reg1_top_dwords); __m128i top_dwords_23 = _mm_unpacklo_epi64(reg2_top_dwords, reg3_top_dwords); __m128i valid_positve_01 = _mm_cmpeq_epi32(top_dwords_01, *zero); __m128i valid_positve_23 = _mm_cmpeq_epi32(top_dwords_23, *zero); __m128i valid_negative_01 = _mm_cmpeq_epi32(top_dwords_01, minus_one); __m128i valid_negative_23 = _mm_cmpeq_epi32(top_dwords_23, minus_one); int overflow_01 = _mm_movemask_epi8(_mm_cmpeq_epi32(valid_positve_01, valid_negative_01)); int overflow_23 = _mm_movemask_epi8(_mm_cmpeq_epi32(valid_positve_23, valid_negative_23)); return (overflow_01 + overflow_23); } static INLINE int k_check_epi32_overflow_8( const __m128i *preg0, const __m128i *preg1, const __m128i *preg2, const __m128i *preg3, const __m128i *preg4, const __m128i *preg5, const __m128i *preg6, const __m128i *preg7, const __m128i *zero) { int overflow = k_check_epi32_overflow_4(preg0, preg1, preg2, preg3, zero); if (!overflow) { overflow = k_check_epi32_overflow_4(preg4, preg5, preg6, preg7, zero); } return overflow; } static INLINE int k_check_epi32_overflow_16( const __m128i *preg0, const __m128i *preg1, const __m128i *preg2, const __m128i *preg3, const __m128i *preg4, const __m128i *preg5, const __m128i *preg6, const __m128i *preg7, const __m128i *preg8, const __m128i *preg9, const __m128i *preg10, const __m128i *preg11, const __m128i *preg12, const __m128i *preg13, const __m128i *preg14, const __m128i *preg15, const __m128i *zero) { int overflow = k_check_epi32_overflow_4(preg0, preg1, preg2, preg3, zero); if (!overflow) { overflow = k_check_epi32_overflow_4(preg4, preg5, preg6, preg7, zero); if (!overflow) { overflow = k_check_epi32_overflow_4(preg8, preg9, preg10, preg11, zero); if (!overflow) { overflow = k_check_epi32_overflow_4(preg12, preg13, preg14, preg15, zero); } } } return overflow; } static INLINE int k_check_epi32_overflow_32( const __m128i *preg0, const __m128i *preg1, const __m128i *preg2, const __m128i *preg3, const __m128i *preg4, const __m128i *preg5, const __m128i *preg6, const __m128i *preg7, const __m128i *preg8, const __m128i *preg9, const __m128i *preg10, const __m128i *preg11, const __m128i *preg12, const __m128i *preg13, const __m128i *preg14, const __m128i *preg15, const __m128i *preg16, const __m128i *preg17, const __m128i *preg18, const __m128i *preg19, const __m128i *preg20, const __m128i *preg21, const __m128i *preg22, const __m128i *preg23, const __m128i *preg24, const __m128i *preg25, const __m128i *preg26, const __m128i *preg27, const __m128i *preg28, const __m128i *preg29, const __m128i *preg30, const __m128i *preg31, const __m128i *zero) { int overflow = k_check_epi32_overflow_4(preg0, preg1, preg2, preg3, zero); if (!overflow) { overflow = k_check_epi32_overflow_4(preg4, preg5, preg6, preg7, zero); if (!overflow) { overflow = k_check_epi32_overflow_4(preg8, preg9, preg10, preg11, zero); if (!overflow) { overflow = k_check_epi32_overflow_4(preg12, preg13, preg14, preg15, zero); if (!overflow) { overflow = k_check_epi32_overflow_4(preg16, preg17, preg18, preg19, zero); if (!overflow) { overflow = k_check_epi32_overflow_4(preg20, preg21, preg22, preg23, zero); if (!overflow) { overflow = k_check_epi32_overflow_4(preg24, preg25, preg26, preg27, zero); if (!overflow) { overflow = k_check_epi32_overflow_4(preg28, preg29, preg30, preg31, zero); } } } } } } } return overflow; } static INLINE void store_output(const __m128i *poutput, tran_low_t *dst_ptr) { #if CONFIG_VP9_HIGHBITDEPTH const __m128i zero = _mm_setzero_si128(); const __m128i sign_bits = _mm_cmplt_epi16(*poutput, zero); __m128i out0 = _mm_unpacklo_epi16(*poutput, sign_bits); __m128i out1 = _mm_unpackhi_epi16(*poutput, sign_bits); _mm_store_si128((__m128i *)(dst_ptr), out0); _mm_store_si128((__m128i *)(dst_ptr + 4), out1); #else _mm_store_si128((__m128i *)(dst_ptr), *poutput); #endif // CONFIG_VP9_HIGHBITDEPTH } static INLINE void storeu_output(const __m128i *poutput, tran_low_t *dst_ptr) { #if CONFIG_VP9_HIGHBITDEPTH const __m128i zero = _mm_setzero_si128(); const __m128i sign_bits = _mm_cmplt_epi16(*poutput, zero); __m128i out0 = _mm_unpacklo_epi16(*poutput, sign_bits); __m128i out1 = _mm_unpackhi_epi16(*poutput, sign_bits); _mm_storeu_si128((__m128i *)(dst_ptr), out0); _mm_storeu_si128((__m128i *)(dst_ptr + 4), out1); #else _mm_storeu_si128((__m128i *)(dst_ptr), *poutput); #endif // CONFIG_VP9_HIGHBITDEPTH } static INLINE __m128i mult_round_shift(const __m128i *pin0, const __m128i *pin1, const __m128i *pmultiplier, const __m128i *prounding, const int shift) { const __m128i u0 = _mm_madd_epi16(*pin0, *pmultiplier); const __m128i u1 = _mm_madd_epi16(*pin1, *pmultiplier); const __m128i v0 = _mm_add_epi32(u0, *prounding); const __m128i v1 = _mm_add_epi32(u1, *prounding); const __m128i w0 = _mm_srai_epi32(v0, shift); const __m128i w1 = _mm_srai_epi32(v1, shift); return _mm_packs_epi32(w0, w1); } static INLINE void transpose_and_output8x8( const __m128i *pin00, const __m128i *pin01, const __m128i *pin02, const __m128i *pin03, const __m128i *pin04, const __m128i *pin05, const __m128i *pin06, const __m128i *pin07, const int pass, int16_t *out0_ptr, tran_low_t *out1_ptr) { // 00 01 02 03 04 05 06 07 // 10 11 12 13 14 15 16 17 // 20 21 22 23 24 25 26 27 // 30 31 32 33 34 35 36 37 // 40 41 42 43 44 45 46 47 // 50 51 52 53 54 55 56 57 // 60 61 62 63 64 65 66 67 // 70 71 72 73 74 75 76 77 const __m128i tr0_0 = _mm_unpacklo_epi16(*pin00, *pin01); const __m128i tr0_1 = _mm_unpacklo_epi16(*pin02, *pin03); const __m128i tr0_2 = _mm_unpackhi_epi16(*pin00, *pin01); const __m128i tr0_3 = _mm_unpackhi_epi16(*pin02, *pin03); const __m128i tr0_4 = _mm_unpacklo_epi16(*pin04, *pin05); const __m128i tr0_5 = _mm_unpacklo_epi16(*pin06, *pin07); const __m128i tr0_6 = _mm_unpackhi_epi16(*pin04, *pin05); const __m128i tr0_7 = _mm_unpackhi_epi16(*pin06, *pin07); // 00 10 01 11 02 12 03 13 // 20 30 21 31 22 32 23 33 // 04 14 05 15 06 16 07 17 // 24 34 25 35 26 36 27 37 // 40 50 41 51 42 52 43 53 // 60 70 61 71 62 72 63 73 // 54 54 55 55 56 56 57 57 // 64 74 65 75 66 76 67 77 const __m128i tr1_0 = _mm_unpacklo_epi32(tr0_0, tr0_1); const __m128i tr1_1 = _mm_unpacklo_epi32(tr0_2, tr0_3); const __m128i tr1_2 = _mm_unpackhi_epi32(tr0_0, tr0_1); const __m128i tr1_3 = _mm_unpackhi_epi32(tr0_2, tr0_3); const __m128i tr1_4 = _mm_unpacklo_epi32(tr0_4, tr0_5); const __m128i tr1_5 = _mm_unpacklo_epi32(tr0_6, tr0_7); const __m128i tr1_6 = _mm_unpackhi_epi32(tr0_4, tr0_5); const __m128i tr1_7 = _mm_unpackhi_epi32(tr0_6, tr0_7); // 00 10 20 30 01 11 21 31 // 40 50 60 70 41 51 61 71 // 02 12 22 32 03 13 23 33 // 42 52 62 72 43 53 63 73 // 04 14 24 34 05 15 21 36 // 44 54 64 74 45 55 61 76 // 06 16 26 36 07 17 27 37 // 46 56 66 76 47 57 67 77 const __m128i tr2_0 = _mm_unpacklo_epi64(tr1_0, tr1_4); const __m128i tr2_1 = _mm_unpackhi_epi64(tr1_0, tr1_4); const __m128i tr2_2 = _mm_unpacklo_epi64(tr1_2, tr1_6); const __m128i tr2_3 = _mm_unpackhi_epi64(tr1_2, tr1_6); const __m128i tr2_4 = _mm_unpacklo_epi64(tr1_1, tr1_5); const __m128i tr2_5 = _mm_unpackhi_epi64(tr1_1, tr1_5); const __m128i tr2_6 = _mm_unpacklo_epi64(tr1_3, tr1_7); const __m128i tr2_7 = _mm_unpackhi_epi64(tr1_3, tr1_7); // 00 10 20 30 40 50 60 70 // 01 11 21 31 41 51 61 71 // 02 12 22 32 42 52 62 72 // 03 13 23 33 43 53 63 73 // 04 14 24 34 44 54 64 74 // 05 15 25 35 45 55 65 75 // 06 16 26 36 46 56 66 76 // 07 17 27 37 47 57 67 77 if (pass == 0) { _mm_storeu_si128((__m128i *)(out0_ptr + 0 * 16), tr2_0); _mm_storeu_si128((__m128i *)(out0_ptr + 1 * 16), tr2_1); _mm_storeu_si128((__m128i *)(out0_ptr + 2 * 16), tr2_2); _mm_storeu_si128((__m128i *)(out0_ptr + 3 * 16), tr2_3); _mm_storeu_si128((__m128i *)(out0_ptr + 4 * 16), tr2_4); _mm_storeu_si128((__m128i *)(out0_ptr + 5 * 16), tr2_5); _mm_storeu_si128((__m128i *)(out0_ptr + 6 * 16), tr2_6); _mm_storeu_si128((__m128i *)(out0_ptr + 7 * 16), tr2_7); } else { storeu_output(&tr2_0, (out1_ptr + 0 * 16)); storeu_output(&tr2_1, (out1_ptr + 1 * 16)); storeu_output(&tr2_2, (out1_ptr + 2 * 16)); storeu_output(&tr2_3, (out1_ptr + 3 * 16)); storeu_output(&tr2_4, (out1_ptr + 4 * 16)); storeu_output(&tr2_5, (out1_ptr + 5 * 16)); storeu_output(&tr2_6, (out1_ptr + 6 * 16)); storeu_output(&tr2_7, (out1_ptr + 7 * 16)); } } #ifdef __cplusplus } // extern "C" #endif #endif // VPX_VPX_DSP_X86_FWD_TXFM_SSE2_H_