diff options
Diffstat (limited to 'chromium/third_party/libvpx/source/libvpx/vp9/common/arm/neon/vp9_iht8x8_add_neon.c')
| -rw-r--r-- | chromium/third_party/libvpx/source/libvpx/vp9/common/arm/neon/vp9_iht8x8_add_neon.c | 668 |
1 files changed, 170 insertions, 498 deletions
diff --git a/chromium/third_party/libvpx/source/libvpx/vp9/common/arm/neon/vp9_iht8x8_add_neon.c b/chromium/third_party/libvpx/source/libvpx/vp9/common/arm/neon/vp9_iht8x8_add_neon.c index 1c739861c38..19163bc8780 100644 --- a/chromium/third_party/libvpx/source/libvpx/vp9/common/arm/neon/vp9_iht8x8_add_neon.c +++ b/chromium/third_party/libvpx/source/libvpx/vp9/common/arm/neon/vp9_iht8x8_add_neon.c @@ -14,527 +14,199 @@ #include "./vp9_rtcd.h" #include "./vpx_config.h" #include "vp9/common/vp9_common.h" +#include "vpx_dsp/arm/idct_neon.h" +#include "vpx_dsp/arm/mem_neon.h" #include "vpx_dsp/arm/transpose_neon.h" -static int16_t cospi_2_64 = 16305; -static int16_t cospi_4_64 = 16069; -static int16_t cospi_6_64 = 15679; -static int16_t cospi_8_64 = 15137; -static int16_t cospi_10_64 = 14449; -static int16_t cospi_12_64 = 13623; -static int16_t cospi_14_64 = 12665; -static int16_t cospi_16_64 = 11585; -static int16_t cospi_18_64 = 10394; -static int16_t cospi_20_64 = 9102; -static int16_t cospi_22_64 = 7723; -static int16_t cospi_24_64 = 6270; -static int16_t cospi_26_64 = 4756; -static int16_t cospi_28_64 = 3196; -static int16_t cospi_30_64 = 1606; - -static INLINE void IDCT8x8_1D(int16x8_t *q8s16, int16x8_t *q9s16, - int16x8_t *q10s16, int16x8_t *q11s16, - int16x8_t *q12s16, int16x8_t *q13s16, - int16x8_t *q14s16, int16x8_t *q15s16) { - int16x4_t d0s16, d1s16, d2s16, d3s16; - int16x4_t d8s16, d9s16, d10s16, d11s16, d12s16, d13s16, d14s16, d15s16; - int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16; - int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16; - int16x8_t q0s16, q1s16, q2s16, q3s16, q4s16, q5s16, q6s16, q7s16; - int32x4_t q2s32, q3s32, q5s32, q6s32, q8s32, q9s32; - int32x4_t q10s32, q11s32, q12s32, q13s32, q15s32; - - d0s16 = vdup_n_s16(cospi_28_64); - d1s16 = vdup_n_s16(cospi_4_64); - d2s16 = vdup_n_s16(cospi_12_64); - d3s16 = vdup_n_s16(cospi_20_64); - - d16s16 = vget_low_s16(*q8s16); - d17s16 = vget_high_s16(*q8s16); - d18s16 = vget_low_s16(*q9s16); - d19s16 = vget_high_s16(*q9s16); - d20s16 = vget_low_s16(*q10s16); - d21s16 = vget_high_s16(*q10s16); - d22s16 = vget_low_s16(*q11s16); - d23s16 = vget_high_s16(*q11s16); - d24s16 = vget_low_s16(*q12s16); - d25s16 = vget_high_s16(*q12s16); - d26s16 = vget_low_s16(*q13s16); - d27s16 = vget_high_s16(*q13s16); - d28s16 = vget_low_s16(*q14s16); - d29s16 = vget_high_s16(*q14s16); - d30s16 = vget_low_s16(*q15s16); - d31s16 = vget_high_s16(*q15s16); - - q2s32 = vmull_s16(d18s16, d0s16); - q3s32 = vmull_s16(d19s16, d0s16); - q5s32 = vmull_s16(d26s16, d2s16); - q6s32 = vmull_s16(d27s16, d2s16); - - q2s32 = vmlsl_s16(q2s32, d30s16, d1s16); - q3s32 = vmlsl_s16(q3s32, d31s16, d1s16); - q5s32 = vmlsl_s16(q5s32, d22s16, d3s16); - q6s32 = vmlsl_s16(q6s32, d23s16, d3s16); - - d8s16 = vrshrn_n_s32(q2s32, 14); - d9s16 = vrshrn_n_s32(q3s32, 14); - d10s16 = vrshrn_n_s32(q5s32, 14); - d11s16 = vrshrn_n_s32(q6s32, 14); - q4s16 = vcombine_s16(d8s16, d9s16); - q5s16 = vcombine_s16(d10s16, d11s16); - - q2s32 = vmull_s16(d18s16, d1s16); - q3s32 = vmull_s16(d19s16, d1s16); - q9s32 = vmull_s16(d26s16, d3s16); - q13s32 = vmull_s16(d27s16, d3s16); - - q2s32 = vmlal_s16(q2s32, d30s16, d0s16); - q3s32 = vmlal_s16(q3s32, d31s16, d0s16); - q9s32 = vmlal_s16(q9s32, d22s16, d2s16); - q13s32 = vmlal_s16(q13s32, d23s16, d2s16); - - d14s16 = vrshrn_n_s32(q2s32, 14); - d15s16 = vrshrn_n_s32(q3s32, 14); - d12s16 = vrshrn_n_s32(q9s32, 14); - d13s16 = vrshrn_n_s32(q13s32, 14); - q6s16 = vcombine_s16(d12s16, d13s16); - q7s16 = vcombine_s16(d14s16, d15s16); - - d0s16 = vdup_n_s16(cospi_16_64); - - q2s32 = vmull_s16(d16s16, d0s16); - q3s32 = vmull_s16(d17s16, d0s16); - q13s32 = vmull_s16(d16s16, d0s16); - q15s32 = vmull_s16(d17s16, d0s16); - - q2s32 = vmlal_s16(q2s32, d24s16, d0s16); - q3s32 = vmlal_s16(q3s32, d25s16, d0s16); - q13s32 = vmlsl_s16(q13s32, d24s16, d0s16); - q15s32 = vmlsl_s16(q15s32, d25s16, d0s16); - - d0s16 = vdup_n_s16(cospi_24_64); - d1s16 = vdup_n_s16(cospi_8_64); - - d18s16 = vrshrn_n_s32(q2s32, 14); - d19s16 = vrshrn_n_s32(q3s32, 14); - d22s16 = vrshrn_n_s32(q13s32, 14); - d23s16 = vrshrn_n_s32(q15s32, 14); - *q9s16 = vcombine_s16(d18s16, d19s16); - *q11s16 = vcombine_s16(d22s16, d23s16); - - q2s32 = vmull_s16(d20s16, d0s16); - q3s32 = vmull_s16(d21s16, d0s16); - q8s32 = vmull_s16(d20s16, d1s16); - q12s32 = vmull_s16(d21s16, d1s16); - - q2s32 = vmlsl_s16(q2s32, d28s16, d1s16); - q3s32 = vmlsl_s16(q3s32, d29s16, d1s16); - q8s32 = vmlal_s16(q8s32, d28s16, d0s16); - q12s32 = vmlal_s16(q12s32, d29s16, d0s16); - - d26s16 = vrshrn_n_s32(q2s32, 14); - d27s16 = vrshrn_n_s32(q3s32, 14); - d30s16 = vrshrn_n_s32(q8s32, 14); - d31s16 = vrshrn_n_s32(q12s32, 14); - *q13s16 = vcombine_s16(d26s16, d27s16); - *q15s16 = vcombine_s16(d30s16, d31s16); - - q0s16 = vaddq_s16(*q9s16, *q15s16); - q1s16 = vaddq_s16(*q11s16, *q13s16); - q2s16 = vsubq_s16(*q11s16, *q13s16); - q3s16 = vsubq_s16(*q9s16, *q15s16); - - *q13s16 = vsubq_s16(q4s16, q5s16); - q4s16 = vaddq_s16(q4s16, q5s16); - *q14s16 = vsubq_s16(q7s16, q6s16); - q7s16 = vaddq_s16(q7s16, q6s16); - d26s16 = vget_low_s16(*q13s16); - d27s16 = vget_high_s16(*q13s16); - d28s16 = vget_low_s16(*q14s16); - d29s16 = vget_high_s16(*q14s16); - - d16s16 = vdup_n_s16(cospi_16_64); - - q9s32 = vmull_s16(d28s16, d16s16); - q10s32 = vmull_s16(d29s16, d16s16); - q11s32 = vmull_s16(d28s16, d16s16); - q12s32 = vmull_s16(d29s16, d16s16); - - q9s32 = vmlsl_s16(q9s32, d26s16, d16s16); - q10s32 = vmlsl_s16(q10s32, d27s16, d16s16); - q11s32 = vmlal_s16(q11s32, d26s16, d16s16); - q12s32 = vmlal_s16(q12s32, d27s16, d16s16); - - d10s16 = vrshrn_n_s32(q9s32, 14); - d11s16 = vrshrn_n_s32(q10s32, 14); - d12s16 = vrshrn_n_s32(q11s32, 14); - d13s16 = vrshrn_n_s32(q12s32, 14); - q5s16 = vcombine_s16(d10s16, d11s16); - q6s16 = vcombine_s16(d12s16, d13s16); - - *q8s16 = vaddq_s16(q0s16, q7s16); - *q9s16 = vaddq_s16(q1s16, q6s16); - *q10s16 = vaddq_s16(q2s16, q5s16); - *q11s16 = vaddq_s16(q3s16, q4s16); - *q12s16 = vsubq_s16(q3s16, q4s16); - *q13s16 = vsubq_s16(q2s16, q5s16); - *q14s16 = vsubq_s16(q1s16, q6s16); - *q15s16 = vsubq_s16(q0s16, q7s16); +static INLINE void iadst_half_butterfly_neon(int16x8_t *const x, + const int16x4_t c) { + const int16x8_t sum = vaddq_s16(x[0], x[1]); + const int16x8_t sub = vsubq_s16(x[0], x[1]); + int32x4_t t0[2], t1[2]; + + t0[0] = vmull_lane_s16(vget_low_s16(sum), c, 0); + t0[1] = vmull_lane_s16(vget_high_s16(sum), c, 0); + t1[0] = vmull_lane_s16(vget_low_s16(sub), c, 0); + t1[1] = vmull_lane_s16(vget_high_s16(sub), c, 0); + x[0] = dct_const_round_shift_low_8(t0); + x[1] = dct_const_round_shift_low_8(t1); } -static INLINE void IADST8X8_1D(int16x8_t *q8s16, int16x8_t *q9s16, - int16x8_t *q10s16, int16x8_t *q11s16, - int16x8_t *q12s16, int16x8_t *q13s16, - int16x8_t *q14s16, int16x8_t *q15s16) { - int16x4_t d0s16, d1s16, d2s16, d3s16, d4s16, d5s16, d6s16, d7s16; - int16x4_t d8s16, d9s16, d10s16, d11s16, d12s16, d13s16, d14s16, d15s16; - int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16; - int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16; - int16x8_t q2s16, q4s16, q5s16, q6s16; - int32x4_t q0s32, q1s32, q2s32, q3s32, q4s32, q5s32, q6s32, q7s32, q8s32; - int32x4_t q9s32, q10s32, q11s32, q12s32, q13s32, q14s32, q15s32; - - d16s16 = vget_low_s16(*q8s16); - d17s16 = vget_high_s16(*q8s16); - d18s16 = vget_low_s16(*q9s16); - d19s16 = vget_high_s16(*q9s16); - d20s16 = vget_low_s16(*q10s16); - d21s16 = vget_high_s16(*q10s16); - d22s16 = vget_low_s16(*q11s16); - d23s16 = vget_high_s16(*q11s16); - d24s16 = vget_low_s16(*q12s16); - d25s16 = vget_high_s16(*q12s16); - d26s16 = vget_low_s16(*q13s16); - d27s16 = vget_high_s16(*q13s16); - d28s16 = vget_low_s16(*q14s16); - d29s16 = vget_high_s16(*q14s16); - d30s16 = vget_low_s16(*q15s16); - d31s16 = vget_high_s16(*q15s16); - - d14s16 = vdup_n_s16(cospi_2_64); - d15s16 = vdup_n_s16(cospi_30_64); - - q1s32 = vmull_s16(d30s16, d14s16); - q2s32 = vmull_s16(d31s16, d14s16); - q3s32 = vmull_s16(d30s16, d15s16); - q4s32 = vmull_s16(d31s16, d15s16); - - d30s16 = vdup_n_s16(cospi_18_64); - d31s16 = vdup_n_s16(cospi_14_64); - - q1s32 = vmlal_s16(q1s32, d16s16, d15s16); - q2s32 = vmlal_s16(q2s32, d17s16, d15s16); - q3s32 = vmlsl_s16(q3s32, d16s16, d14s16); - q4s32 = vmlsl_s16(q4s32, d17s16, d14s16); - - q5s32 = vmull_s16(d22s16, d30s16); - q6s32 = vmull_s16(d23s16, d30s16); - q7s32 = vmull_s16(d22s16, d31s16); - q8s32 = vmull_s16(d23s16, d31s16); - - q5s32 = vmlal_s16(q5s32, d24s16, d31s16); - q6s32 = vmlal_s16(q6s32, d25s16, d31s16); - q7s32 = vmlsl_s16(q7s32, d24s16, d30s16); - q8s32 = vmlsl_s16(q8s32, d25s16, d30s16); - - q11s32 = vaddq_s32(q1s32, q5s32); - q12s32 = vaddq_s32(q2s32, q6s32); - q1s32 = vsubq_s32(q1s32, q5s32); - q2s32 = vsubq_s32(q2s32, q6s32); - - d22s16 = vrshrn_n_s32(q11s32, 14); - d23s16 = vrshrn_n_s32(q12s32, 14); - *q11s16 = vcombine_s16(d22s16, d23s16); - - q12s32 = vaddq_s32(q3s32, q7s32); - q15s32 = vaddq_s32(q4s32, q8s32); - q3s32 = vsubq_s32(q3s32, q7s32); - q4s32 = vsubq_s32(q4s32, q8s32); - - d2s16 = vrshrn_n_s32(q1s32, 14); - d3s16 = vrshrn_n_s32(q2s32, 14); - d24s16 = vrshrn_n_s32(q12s32, 14); - d25s16 = vrshrn_n_s32(q15s32, 14); - d6s16 = vrshrn_n_s32(q3s32, 14); - d7s16 = vrshrn_n_s32(q4s32, 14); - *q12s16 = vcombine_s16(d24s16, d25s16); - - d0s16 = vdup_n_s16(cospi_10_64); - d1s16 = vdup_n_s16(cospi_22_64); - q4s32 = vmull_s16(d26s16, d0s16); - q5s32 = vmull_s16(d27s16, d0s16); - q2s32 = vmull_s16(d26s16, d1s16); - q6s32 = vmull_s16(d27s16, d1s16); - - d30s16 = vdup_n_s16(cospi_26_64); - d31s16 = vdup_n_s16(cospi_6_64); - - q4s32 = vmlal_s16(q4s32, d20s16, d1s16); - q5s32 = vmlal_s16(q5s32, d21s16, d1s16); - q2s32 = vmlsl_s16(q2s32, d20s16, d0s16); - q6s32 = vmlsl_s16(q6s32, d21s16, d0s16); - - q0s32 = vmull_s16(d18s16, d30s16); - q13s32 = vmull_s16(d19s16, d30s16); - - q0s32 = vmlal_s16(q0s32, d28s16, d31s16); - q13s32 = vmlal_s16(q13s32, d29s16, d31s16); - - q10s32 = vmull_s16(d18s16, d31s16); - q9s32 = vmull_s16(d19s16, d31s16); - - q10s32 = vmlsl_s16(q10s32, d28s16, d30s16); - q9s32 = vmlsl_s16(q9s32, d29s16, d30s16); - - q14s32 = vaddq_s32(q2s32, q10s32); - q15s32 = vaddq_s32(q6s32, q9s32); - q2s32 = vsubq_s32(q2s32, q10s32); - q6s32 = vsubq_s32(q6s32, q9s32); - - d28s16 = vrshrn_n_s32(q14s32, 14); - d29s16 = vrshrn_n_s32(q15s32, 14); - d4s16 = vrshrn_n_s32(q2s32, 14); - d5s16 = vrshrn_n_s32(q6s32, 14); - *q14s16 = vcombine_s16(d28s16, d29s16); - - q9s32 = vaddq_s32(q4s32, q0s32); - q10s32 = vaddq_s32(q5s32, q13s32); - q4s32 = vsubq_s32(q4s32, q0s32); - q5s32 = vsubq_s32(q5s32, q13s32); - - d30s16 = vdup_n_s16(cospi_8_64); - d31s16 = vdup_n_s16(cospi_24_64); - - d18s16 = vrshrn_n_s32(q9s32, 14); - d19s16 = vrshrn_n_s32(q10s32, 14); - d8s16 = vrshrn_n_s32(q4s32, 14); - d9s16 = vrshrn_n_s32(q5s32, 14); - *q9s16 = vcombine_s16(d18s16, d19s16); - - q5s32 = vmull_s16(d2s16, d30s16); - q6s32 = vmull_s16(d3s16, d30s16); - q7s32 = vmull_s16(d2s16, d31s16); - q0s32 = vmull_s16(d3s16, d31s16); - - q5s32 = vmlal_s16(q5s32, d6s16, d31s16); - q6s32 = vmlal_s16(q6s32, d7s16, d31s16); - q7s32 = vmlsl_s16(q7s32, d6s16, d30s16); - q0s32 = vmlsl_s16(q0s32, d7s16, d30s16); - - q1s32 = vmull_s16(d4s16, d30s16); - q3s32 = vmull_s16(d5s16, d30s16); - q10s32 = vmull_s16(d4s16, d31s16); - q2s32 = vmull_s16(d5s16, d31s16); - - q1s32 = vmlsl_s16(q1s32, d8s16, d31s16); - q3s32 = vmlsl_s16(q3s32, d9s16, d31s16); - q10s32 = vmlal_s16(q10s32, d8s16, d30s16); - q2s32 = vmlal_s16(q2s32, d9s16, d30s16); - - *q8s16 = vaddq_s16(*q11s16, *q9s16); - *q11s16 = vsubq_s16(*q11s16, *q9s16); - q4s16 = vaddq_s16(*q12s16, *q14s16); - *q12s16 = vsubq_s16(*q12s16, *q14s16); - - q14s32 = vaddq_s32(q5s32, q1s32); - q15s32 = vaddq_s32(q6s32, q3s32); - q5s32 = vsubq_s32(q5s32, q1s32); - q6s32 = vsubq_s32(q6s32, q3s32); - - d18s16 = vrshrn_n_s32(q14s32, 14); - d19s16 = vrshrn_n_s32(q15s32, 14); - d10s16 = vrshrn_n_s32(q5s32, 14); - d11s16 = vrshrn_n_s32(q6s32, 14); - *q9s16 = vcombine_s16(d18s16, d19s16); - - q1s32 = vaddq_s32(q7s32, q10s32); - q3s32 = vaddq_s32(q0s32, q2s32); - q7s32 = vsubq_s32(q7s32, q10s32); - q0s32 = vsubq_s32(q0s32, q2s32); - - d28s16 = vrshrn_n_s32(q1s32, 14); - d29s16 = vrshrn_n_s32(q3s32, 14); - d14s16 = vrshrn_n_s32(q7s32, 14); - d15s16 = vrshrn_n_s32(q0s32, 14); - *q14s16 = vcombine_s16(d28s16, d29s16); - - d30s16 = vdup_n_s16(cospi_16_64); - - d22s16 = vget_low_s16(*q11s16); - d23s16 = vget_high_s16(*q11s16); - q2s32 = vmull_s16(d22s16, d30s16); - q3s32 = vmull_s16(d23s16, d30s16); - q13s32 = vmull_s16(d22s16, d30s16); - q1s32 = vmull_s16(d23s16, d30s16); +static INLINE void iadst_butterfly_lane_0_1_neon(const int16x8_t in0, + const int16x8_t in1, + const int16x4_t c, + int32x4_t *const s0, + int32x4_t *const s1) { + s0[0] = vmull_lane_s16(vget_low_s16(in0), c, 0); + s0[1] = vmull_lane_s16(vget_high_s16(in0), c, 0); + s1[0] = vmull_lane_s16(vget_low_s16(in0), c, 1); + s1[1] = vmull_lane_s16(vget_high_s16(in0), c, 1); + + s0[0] = vmlal_lane_s16(s0[0], vget_low_s16(in1), c, 1); + s0[1] = vmlal_lane_s16(s0[1], vget_high_s16(in1), c, 1); + s1[0] = vmlsl_lane_s16(s1[0], vget_low_s16(in1), c, 0); + s1[1] = vmlsl_lane_s16(s1[1], vget_high_s16(in1), c, 0); +} - d24s16 = vget_low_s16(*q12s16); - d25s16 = vget_high_s16(*q12s16); - q2s32 = vmlal_s16(q2s32, d24s16, d30s16); - q3s32 = vmlal_s16(q3s32, d25s16, d30s16); - q13s32 = vmlsl_s16(q13s32, d24s16, d30s16); - q1s32 = vmlsl_s16(q1s32, d25s16, d30s16); +static INLINE void iadst_butterfly_lane_2_3_neon(const int16x8_t in0, + const int16x8_t in1, + const int16x4_t c, + int32x4_t *const s0, + int32x4_t *const s1) { + s0[0] = vmull_lane_s16(vget_low_s16(in0), c, 2); + s0[1] = vmull_lane_s16(vget_high_s16(in0), c, 2); + s1[0] = vmull_lane_s16(vget_low_s16(in0), c, 3); + s1[1] = vmull_lane_s16(vget_high_s16(in0), c, 3); + + s0[0] = vmlal_lane_s16(s0[0], vget_low_s16(in1), c, 3); + s0[1] = vmlal_lane_s16(s0[1], vget_high_s16(in1), c, 3); + s1[0] = vmlsl_lane_s16(s1[0], vget_low_s16(in1), c, 2); + s1[1] = vmlsl_lane_s16(s1[1], vget_high_s16(in1), c, 2); +} - d4s16 = vrshrn_n_s32(q2s32, 14); - d5s16 = vrshrn_n_s32(q3s32, 14); - d24s16 = vrshrn_n_s32(q13s32, 14); - d25s16 = vrshrn_n_s32(q1s32, 14); - q2s16 = vcombine_s16(d4s16, d5s16); - *q12s16 = vcombine_s16(d24s16, d25s16); +static INLINE void iadst_butterfly_lane_3_2_neon(const int16x8_t in0, + const int16x8_t in1, + const int16x4_t c, + int32x4_t *const s0, + int32x4_t *const s1) { + s0[0] = vmull_lane_s16(vget_low_s16(in0), c, 3); + s0[1] = vmull_lane_s16(vget_high_s16(in0), c, 3); + s1[0] = vmull_lane_s16(vget_low_s16(in0), c, 2); + s1[1] = vmull_lane_s16(vget_high_s16(in0), c, 2); + + s0[0] = vmlal_lane_s16(s0[0], vget_low_s16(in1), c, 2); + s0[1] = vmlal_lane_s16(s0[1], vget_high_s16(in1), c, 2); + s1[0] = vmlsl_lane_s16(s1[0], vget_low_s16(in1), c, 3); + s1[1] = vmlsl_lane_s16(s1[1], vget_high_s16(in1), c, 3); +} - q13s32 = vmull_s16(d10s16, d30s16); - q1s32 = vmull_s16(d11s16, d30s16); - q11s32 = vmull_s16(d10s16, d30s16); - q0s32 = vmull_s16(d11s16, d30s16); +static INLINE int16x8_t add_dct_const_round_shift_low_8( + const int32x4_t *const in0, const int32x4_t *const in1) { + int32x4_t sum[2]; - q13s32 = vmlal_s16(q13s32, d14s16, d30s16); - q1s32 = vmlal_s16(q1s32, d15s16, d30s16); - q11s32 = vmlsl_s16(q11s32, d14s16, d30s16); - q0s32 = vmlsl_s16(q0s32, d15s16, d30s16); + sum[0] = vaddq_s32(in0[0], in1[0]); + sum[1] = vaddq_s32(in0[1], in1[1]); + return dct_const_round_shift_low_8(sum); +} - d20s16 = vrshrn_n_s32(q13s32, 14); - d21s16 = vrshrn_n_s32(q1s32, 14); - d12s16 = vrshrn_n_s32(q11s32, 14); - d13s16 = vrshrn_n_s32(q0s32, 14); - *q10s16 = vcombine_s16(d20s16, d21s16); - q6s16 = vcombine_s16(d12s16, d13s16); +static INLINE int16x8_t sub_dct_const_round_shift_low_8( + const int32x4_t *const in0, const int32x4_t *const in1) { + int32x4_t sum[2]; - q5s16 = vdupq_n_s16(0); + sum[0] = vsubq_s32(in0[0], in1[0]); + sum[1] = vsubq_s32(in0[1], in1[1]); + return dct_const_round_shift_low_8(sum); +} - *q9s16 = vsubq_s16(q5s16, *q9s16); - *q11s16 = vsubq_s16(q5s16, q2s16); - *q13s16 = vsubq_s16(q5s16, q6s16); - *q15s16 = vsubq_s16(q5s16, q4s16); +static INLINE void iadst8(int16x8_t *const io) { + const int16x4_t c0 = + create_s16x4_neon(cospi_2_64, cospi_30_64, cospi_10_64, cospi_22_64); + const int16x4_t c1 = + create_s16x4_neon(cospi_18_64, cospi_14_64, cospi_26_64, cospi_6_64); + const int16x4_t c2 = + create_s16x4_neon(cospi_16_64, 0, cospi_8_64, cospi_24_64); + int16x8_t x[8], t[4]; + int32x4_t s0[2], s1[2], s2[2], s3[2], s4[2], s5[2], s6[2], s7[2]; + + x[0] = io[7]; + x[1] = io[0]; + x[2] = io[5]; + x[3] = io[2]; + x[4] = io[3]; + x[5] = io[4]; + x[6] = io[1]; + x[7] = io[6]; + + // stage 1 + iadst_butterfly_lane_0_1_neon(x[0], x[1], c0, s0, s1); + iadst_butterfly_lane_2_3_neon(x[2], x[3], c0, s2, s3); + iadst_butterfly_lane_0_1_neon(x[4], x[5], c1, s4, s5); + iadst_butterfly_lane_2_3_neon(x[6], x[7], c1, s6, s7); + + x[0] = add_dct_const_round_shift_low_8(s0, s4); + x[1] = add_dct_const_round_shift_low_8(s1, s5); + x[2] = add_dct_const_round_shift_low_8(s2, s6); + x[3] = add_dct_const_round_shift_low_8(s3, s7); + x[4] = sub_dct_const_round_shift_low_8(s0, s4); + x[5] = sub_dct_const_round_shift_low_8(s1, s5); + x[6] = sub_dct_const_round_shift_low_8(s2, s6); + x[7] = sub_dct_const_round_shift_low_8(s3, s7); + + // stage 2 + t[0] = x[0]; + t[1] = x[1]; + t[2] = x[2]; + t[3] = x[3]; + iadst_butterfly_lane_2_3_neon(x[4], x[5], c2, s4, s5); + iadst_butterfly_lane_3_2_neon(x[7], x[6], c2, s7, s6); + + x[0] = vaddq_s16(t[0], t[2]); + x[1] = vaddq_s16(t[1], t[3]); + x[2] = vsubq_s16(t[0], t[2]); + x[3] = vsubq_s16(t[1], t[3]); + x[4] = add_dct_const_round_shift_low_8(s4, s6); + x[5] = add_dct_const_round_shift_low_8(s5, s7); + x[6] = sub_dct_const_round_shift_low_8(s4, s6); + x[7] = sub_dct_const_round_shift_low_8(s5, s7); + + // stage 3 + iadst_half_butterfly_neon(x + 2, c2); + iadst_half_butterfly_neon(x + 6, c2); + + io[0] = x[0]; + io[1] = vnegq_s16(x[4]); + io[2] = x[6]; + io[3] = vnegq_s16(x[2]); + io[4] = x[3]; + io[5] = vnegq_s16(x[7]); + io[6] = x[5]; + io[7] = vnegq_s16(x[1]); } void vp9_iht8x8_64_add_neon(const tran_low_t *input, uint8_t *dest, int stride, int tx_type) { - int i; - uint8_t *d1, *d2; - uint8x8_t d0u8, d1u8, d2u8, d3u8; - uint64x1_t d0u64, d1u64, d2u64, d3u64; - int16x8_t q8s16, q9s16, q10s16, q11s16, q12s16, q13s16, q14s16, q15s16; - uint16x8_t q8u16, q9u16, q10u16, q11u16; - - q8s16 = vld1q_s16(input); - q9s16 = vld1q_s16(input + 8); - q10s16 = vld1q_s16(input + 8 * 2); - q11s16 = vld1q_s16(input + 8 * 3); - q12s16 = vld1q_s16(input + 8 * 4); - q13s16 = vld1q_s16(input + 8 * 5); - q14s16 = vld1q_s16(input + 8 * 6); - q15s16 = vld1q_s16(input + 8 * 7); - - transpose_s16_8x8(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, - &q15s16); + const int16x8_t cospis = vld1q_s16(kCospi); + const int16x4_t cospis0 = vget_low_s16(cospis); // cospi 0, 8, 16, 24 + const int16x4_t cospis1 = vget_high_s16(cospis); // cospi 4, 12, 20, 28 + int16x8_t a[8]; + + a[0] = load_tran_low_to_s16q(input + 0 * 8); + a[1] = load_tran_low_to_s16q(input + 1 * 8); + a[2] = load_tran_low_to_s16q(input + 2 * 8); + a[3] = load_tran_low_to_s16q(input + 3 * 8); + a[4] = load_tran_low_to_s16q(input + 4 * 8); + a[5] = load_tran_low_to_s16q(input + 5 * 8); + a[6] = load_tran_low_to_s16q(input + 6 * 8); + a[7] = load_tran_low_to_s16q(input + 7 * 8); + + transpose_s16_8x8(&a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &a[6], &a[7]); switch (tx_type) { - case 0: // idct_idct is not supported. Fall back to C - vp9_iht8x8_64_add_c(input, dest, stride, tx_type); - return; - case 1: // iadst_idct - // generate IDCT constants - // GENERATE_IDCT_CONSTANTS - - // first transform rows - IDCT8x8_1D(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, - &q15s16); - - // transpose the matrix - transpose_s16_8x8(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, - &q14s16, &q15s16); - - // generate IADST constants - // GENERATE_IADST_CONSTANTS - - // then transform columns - IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, - &q15s16); + case DCT_DCT: + idct8x8_64_1d_bd8_kernel(cospis0, cospis1, a); + transpose_s16_8x8(&a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &a[6], &a[7]); + idct8x8_64_1d_bd8_kernel(cospis0, cospis1, a); break; - case 2: // idct_iadst - // generate IADST constants - // GENERATE_IADST_CONSTANTS - - // first transform rows - IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, - &q15s16); - - // transpose the matrix - transpose_s16_8x8(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, - &q14s16, &q15s16); - // generate IDCT constants - // GENERATE_IDCT_CONSTANTS - - // then transform columns - IDCT8x8_1D(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, - &q15s16); + case ADST_DCT: + idct8x8_64_1d_bd8_kernel(cospis0, cospis1, a); + transpose_s16_8x8(&a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &a[6], &a[7]); + iadst8(a); break; - case 3: // iadst_iadst - // generate IADST constants - // GENERATE_IADST_CONSTANTS - - // first transform rows - IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, - &q15s16); - - // transpose the matrix - transpose_s16_8x8(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, - &q14s16, &q15s16); - // then transform columns - IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, - &q15s16); + case DCT_ADST: + iadst8(a); + transpose_s16_8x8(&a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &a[6], &a[7]); + idct8x8_64_1d_bd8_kernel(cospis0, cospis1, a); break; - default: // iadst_idct - assert(0); + + default: + assert(tx_type == ADST_ADST); + iadst8(a); + transpose_s16_8x8(&a[0], &a[1], &a[2], &a[3], &a[4], &a[5], &a[6], &a[7]); + iadst8(a); break; } - q8s16 = vrshrq_n_s16(q8s16, 5); - q9s16 = vrshrq_n_s16(q9s16, 5); - q10s16 = vrshrq_n_s16(q10s16, 5); - q11s16 = vrshrq_n_s16(q11s16, 5); - q12s16 = vrshrq_n_s16(q12s16, 5); - q13s16 = vrshrq_n_s16(q13s16, 5); - q14s16 = vrshrq_n_s16(q14s16, 5); - q15s16 = vrshrq_n_s16(q15s16, 5); - - for (d1 = d2 = dest, i = 0; i < 2; i++) { - if (i != 0) { - q8s16 = q12s16; - q9s16 = q13s16; - q10s16 = q14s16; - q11s16 = q15s16; - } - - d0u64 = vld1_u64((uint64_t *)d1); - d1 += stride; - d1u64 = vld1_u64((uint64_t *)d1); - d1 += stride; - d2u64 = vld1_u64((uint64_t *)d1); - d1 += stride; - d3u64 = vld1_u64((uint64_t *)d1); - d1 += stride; - - q8u16 = vaddw_u8(vreinterpretq_u16_s16(q8s16), vreinterpret_u8_u64(d0u64)); - q9u16 = vaddw_u8(vreinterpretq_u16_s16(q9s16), vreinterpret_u8_u64(d1u64)); - q10u16 = - vaddw_u8(vreinterpretq_u16_s16(q10s16), vreinterpret_u8_u64(d2u64)); - q11u16 = - vaddw_u8(vreinterpretq_u16_s16(q11s16), vreinterpret_u8_u64(d3u64)); - - d0u8 = vqmovun_s16(vreinterpretq_s16_u16(q8u16)); - d1u8 = vqmovun_s16(vreinterpretq_s16_u16(q9u16)); - d2u8 = vqmovun_s16(vreinterpretq_s16_u16(q10u16)); - d3u8 = vqmovun_s16(vreinterpretq_s16_u16(q11u16)); - - vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d0u8)); - d2 += stride; - vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d1u8)); - d2 += stride; - vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d2u8)); - d2 += stride; - vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d3u8)); - d2 += stride; - } + idct8x8_add8x8_neon(a, dest, stride); } |