diff options
Diffstat (limited to 'third_party/aom/aom_dsp/x86/fwd_txfm_sse2.h')
| -rw-r--r-- | third_party/aom/aom_dsp/x86/fwd_txfm_sse2.h | 155 |
1 files changed, 155 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/x86/fwd_txfm_sse2.h b/third_party/aom/aom_dsp/x86/fwd_txfm_sse2.h new file mode 100644 index 000000000..260d8dd58 --- /dev/null +++ b/third_party/aom/aom_dsp/x86/fwd_txfm_sse2.h @@ -0,0 +1,155 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#ifndef AOM_AOM_DSP_X86_FWD_TXFM_SSE2_H_ +#define AOM_AOM_DSP_X86_FWD_TXFM_SSE2_H_ + +#ifdef __cplusplus +extern "C" { +#endif + +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(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(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 void store_output(const __m128i *poutput, tran_low_t *dst_ptr) { + if (sizeof(tran_low_t) == 4) { + 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); + } +} + +#ifdef __cplusplus +} // extern "C" +#endif + +#endif // AOM_AOM_DSP_X86_FWD_TXFM_SSE2_H_ |