static INLINE void IDCT4x4_1D(int16x4_t *d0s16, int16x4_t *d1s16, int16x4_t *d2s16, int16x8_t *q8s16, int16x8_t *q9s16) { int16x4_t d16s16, d17s16, d18s16, d19s16, d23s16, d24s16; int16x4_t d26s16, d27s16, d28s16, d29s16; int32x4_t q10s32, q13s32, q14s32, q15s32; int16x8_t q13s16, q14s16; d16s16 = vget_low_s16(*q8s16); d17s16 = vget_high_s16(*q8s16); d18s16 = vget_low_s16(*q9s16); d19s16 = vget_high_s16(*q9s16); d23s16 = vadd_s16(d16s16, d18s16); d24s16 = vsub_s16(d16s16, d18s16); q15s32 = vmull_s16(d17s16, *d2s16); q10s32 = vmull_s16(d17s16, *d0s16); q13s32 = vmull_s16(d23s16, *d1s16); q14s32 = vmull_s16(d24s16, *d1s16); q15s32 = vmlsl_s16(q15s32, d19s16, *d0s16); q10s32 = vmlal_s16(q10s32, d19s16, *d2s16); d26s16 = vqrshrn_n_s32(q13s32, 14); d27s16 = vqrshrn_n_s32(q14s32, 14); d29s16 = vqrshrn_n_s32(q15s32, 14); d28s16 = vqrshrn_n_s32(q10s32, 14); q13s16 = vcombine_s16(d26s16, d27s16); q14s16 = vcombine_s16(d28s16, d29s16); *q8s16 = vaddq_s16(q13s16, q14s16); *q9s16 = vsubq_s16(q13s16, q14s16); *q9s16 = vcombine_s16(vget_high_s16(*q9s16), vget_low_s16(*q9s16)); // vswp return; }
void test_vmlsls16 (void) { int32x4_t out_int32x4_t; int32x4_t arg0_int32x4_t; int16x4_t arg1_int16x4_t; int16x4_t arg2_int16x4_t; out_int32x4_t = vmlsl_s16 (arg0_int32x4_t, arg1_int16x4_t, arg2_int16x4_t); }
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 = vqrshrn_n_s32(q2s32, 14); d9s16 = vqrshrn_n_s32(q3s32, 14); d10s16 = vqrshrn_n_s32(q5s32, 14); d11s16 = vqrshrn_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 = vqrshrn_n_s32(q2s32, 14); d15s16 = vqrshrn_n_s32(q3s32, 14); d12s16 = vqrshrn_n_s32(q9s32, 14); d13s16 = vqrshrn_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 = vqrshrn_n_s32(q2s32, 14); d19s16 = vqrshrn_n_s32(q3s32, 14); d22s16 = vqrshrn_n_s32(q13s32, 14); d23s16 = vqrshrn_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 = vqrshrn_n_s32(q2s32, 14); d27s16 = vqrshrn_n_s32(q3s32, 14); d30s16 = vqrshrn_n_s32(q8s32, 14); d31s16 = vqrshrn_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 = vqrshrn_n_s32(q9s32, 14); d11s16 = vqrshrn_n_s32(q10s32, 14); d12s16 = vqrshrn_n_s32(q11s32, 14); d13s16 = vqrshrn_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); return; }
void vpx_idct8x8_12_add_neon( int16_t *input, uint8_t *dest, int dest_stride) { uint8_t *d1, *d2; uint8x8_t d0u8, d1u8, d2u8, d3u8; int16x4_t d10s16, d11s16, d12s16, d13s16, d16s16; int16x4_t d26s16, d27s16, d28s16, d29s16; uint64x1_t d0u64, d1u64, d2u64, d3u64; int16x8_t q0s16, q1s16, q2s16, q3s16, q4s16, q5s16, q6s16, q7s16; int16x8_t q8s16, q9s16, q10s16, q11s16, q12s16, q13s16, q14s16, q15s16; uint16x8_t q8u16, q9u16, q10u16, q11u16; int32x4_t q9s32, q10s32, q11s32, q12s32; q8s16 = vld1q_s16(input); q9s16 = vld1q_s16(input + 8); q10s16 = vld1q_s16(input + 16); q11s16 = vld1q_s16(input + 24); q12s16 = vld1q_s16(input + 32); q13s16 = vld1q_s16(input + 40); q14s16 = vld1q_s16(input + 48); q15s16 = vld1q_s16(input + 56); TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, &q15s16); // First transform rows // stage 1 q0s16 = vdupq_n_s16(cospi_28_64 * 2); q1s16 = vdupq_n_s16(cospi_4_64 * 2); q4s16 = vqrdmulhq_s16(q9s16, q0s16); q0s16 = vdupq_n_s16(-cospi_20_64 * 2); q7s16 = vqrdmulhq_s16(q9s16, q1s16); q1s16 = vdupq_n_s16(cospi_12_64 * 2); q5s16 = vqrdmulhq_s16(q11s16, q0s16); q0s16 = vdupq_n_s16(cospi_16_64 * 2); q6s16 = vqrdmulhq_s16(q11s16, q1s16); // stage 2 & stage 3 - even half q1s16 = vdupq_n_s16(cospi_24_64 * 2); q9s16 = vqrdmulhq_s16(q8s16, q0s16); q0s16 = vdupq_n_s16(cospi_8_64 * 2); q13s16 = vqrdmulhq_s16(q10s16, q1s16); q15s16 = vqrdmulhq_s16(q10s16, q0s16); // stage 3 -odd half q0s16 = vaddq_s16(q9s16, q15s16); q1s16 = vaddq_s16(q9s16, q13s16); q2s16 = vsubq_s16(q9s16, q13s16); q3s16 = vsubq_s16(q9s16, q15s16); // stage 2 - odd half 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 = vqrshrn_n_s32(q9s32, 14); d11s16 = vqrshrn_n_s32(q10s32, 14); d12s16 = vqrshrn_n_s32(q11s32, 14); d13s16 = vqrshrn_n_s32(q12s32, 14); q5s16 = vcombine_s16(d10s16, d11s16); q6s16 = vcombine_s16(d12s16, d13s16); // stage 4 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); TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, &q15s16); IDCT8x8_1D(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16, &q15s16); 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); d1 = d2 = dest; d0u64 = vld1_u64((uint64_t *)d1); d1 += dest_stride; d1u64 = vld1_u64((uint64_t *)d1); d1 += dest_stride; d2u64 = vld1_u64((uint64_t *)d1); d1 += dest_stride; d3u64 = vld1_u64((uint64_t *)d1); d1 += dest_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 += dest_stride; vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d1u8)); d2 += dest_stride; vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d2u8)); d2 += dest_stride; vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d3u8)); d2 += dest_stride; q8s16 = q12s16; q9s16 = q13s16; q10s16 = q14s16; q11s16 = q15s16; d0u64 = vld1_u64((uint64_t *)d1); d1 += dest_stride; d1u64 = vld1_u64((uint64_t *)d1); d1 += dest_stride; d2u64 = vld1_u64((uint64_t *)d1); d1 += dest_stride; d3u64 = vld1_u64((uint64_t *)d1); d1 += dest_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 += dest_stride; vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d1u8)); d2 += dest_stride; vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d2u8)); d2 += dest_stride; vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d3u8)); d2 += dest_stride; return; }
void aom_idct4x4_16_add_neon(int16_t *input, uint8_t *dest, int dest_stride) { uint8x8_t d26u8, d27u8; uint32x2_t d26u32, d27u32; uint16x8_t q8u16, q9u16; int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16; int16x4_t d22s16, d23s16, d24s16, d26s16, d27s16, d28s16, d29s16; int16x8_t q8s16, q9s16, q13s16, q14s16; int32x4_t q1s32, q13s32, q14s32, q15s32; int16x4x2_t d0x2s16, d1x2s16; int32x4x2_t q0x2s32; uint8_t *d; d26u32 = d27u32 = vdup_n_u32(0); q8s16 = vld1q_s16(input); q9s16 = vld1q_s16(input + 8); d16s16 = vget_low_s16(q8s16); d17s16 = vget_high_s16(q8s16); d18s16 = vget_low_s16(q9s16); d19s16 = vget_high_s16(q9s16); d0x2s16 = vtrn_s16(d16s16, d17s16); d1x2s16 = vtrn_s16(d18s16, d19s16); q8s16 = vcombine_s16(d0x2s16.val[0], d0x2s16.val[1]); q9s16 = vcombine_s16(d1x2s16.val[0], d1x2s16.val[1]); d20s16 = vdup_n_s16((int16_t)cospi_8_64); d21s16 = vdup_n_s16((int16_t)cospi_16_64); q0x2s32 = vtrnq_s32(vreinterpretq_s32_s16(q8s16), vreinterpretq_s32_s16(q9s16)); d16s16 = vget_low_s16(vreinterpretq_s16_s32(q0x2s32.val[0])); d17s16 = vget_high_s16(vreinterpretq_s16_s32(q0x2s32.val[0])); d18s16 = vget_low_s16(vreinterpretq_s16_s32(q0x2s32.val[1])); d19s16 = vget_high_s16(vreinterpretq_s16_s32(q0x2s32.val[1])); d22s16 = vdup_n_s16((int16_t)cospi_24_64); // stage 1 d23s16 = vadd_s16(d16s16, d18s16); d24s16 = vsub_s16(d16s16, d18s16); q15s32 = vmull_s16(d17s16, d22s16); q1s32 = vmull_s16(d17s16, d20s16); q13s32 = vmull_s16(d23s16, d21s16); q14s32 = vmull_s16(d24s16, d21s16); q15s32 = vmlsl_s16(q15s32, d19s16, d20s16); q1s32 = vmlal_s16(q1s32, d19s16, d22s16); d26s16 = vqrshrn_n_s32(q13s32, 14); d27s16 = vqrshrn_n_s32(q14s32, 14); d29s16 = vqrshrn_n_s32(q15s32, 14); d28s16 = vqrshrn_n_s32(q1s32, 14); q13s16 = vcombine_s16(d26s16, d27s16); q14s16 = vcombine_s16(d28s16, d29s16); // stage 2 q8s16 = vaddq_s16(q13s16, q14s16); q9s16 = vsubq_s16(q13s16, q14s16); d16s16 = vget_low_s16(q8s16); d17s16 = vget_high_s16(q8s16); d18s16 = vget_high_s16(q9s16); // vswp d18 d19 d19s16 = vget_low_s16(q9s16); d0x2s16 = vtrn_s16(d16s16, d17s16); d1x2s16 = vtrn_s16(d18s16, d19s16); q8s16 = vcombine_s16(d0x2s16.val[0], d0x2s16.val[1]); q9s16 = vcombine_s16(d1x2s16.val[0], d1x2s16.val[1]); q0x2s32 = vtrnq_s32(vreinterpretq_s32_s16(q8s16), vreinterpretq_s32_s16(q9s16)); d16s16 = vget_low_s16(vreinterpretq_s16_s32(q0x2s32.val[0])); d17s16 = vget_high_s16(vreinterpretq_s16_s32(q0x2s32.val[0])); d18s16 = vget_low_s16(vreinterpretq_s16_s32(q0x2s32.val[1])); d19s16 = vget_high_s16(vreinterpretq_s16_s32(q0x2s32.val[1])); // do the transform on columns // stage 1 d23s16 = vadd_s16(d16s16, d18s16); d24s16 = vsub_s16(d16s16, d18s16); q15s32 = vmull_s16(d17s16, d22s16); q1s32 = vmull_s16(d17s16, d20s16); q13s32 = vmull_s16(d23s16, d21s16); q14s32 = vmull_s16(d24s16, d21s16); q15s32 = vmlsl_s16(q15s32, d19s16, d20s16); q1s32 = vmlal_s16(q1s32, d19s16, d22s16); d26s16 = vqrshrn_n_s32(q13s32, 14); d27s16 = vqrshrn_n_s32(q14s32, 14); d29s16 = vqrshrn_n_s32(q15s32, 14); d28s16 = vqrshrn_n_s32(q1s32, 14); q13s16 = vcombine_s16(d26s16, d27s16); q14s16 = vcombine_s16(d28s16, d29s16); // stage 2 q8s16 = vaddq_s16(q13s16, q14s16); q9s16 = vsubq_s16(q13s16, q14s16); q8s16 = vrshrq_n_s16(q8s16, 4); q9s16 = vrshrq_n_s16(q9s16, 4); d = dest; d26u32 = vld1_lane_u32((const uint32_t *)d, d26u32, 0); d += dest_stride; d26u32 = vld1_lane_u32((const uint32_t *)d, d26u32, 1); d += dest_stride; d27u32 = vld1_lane_u32((const uint32_t *)d, d27u32, 1); d += dest_stride; d27u32 = vld1_lane_u32((const uint32_t *)d, d27u32, 0); q8u16 = vaddw_u8(vreinterpretq_u16_s16(q8s16), vreinterpret_u8_u32(d26u32)); q9u16 = vaddw_u8(vreinterpretq_u16_s16(q9s16), vreinterpret_u8_u32(d27u32)); d26u8 = vqmovun_s16(vreinterpretq_s16_u16(q8u16)); d27u8 = vqmovun_s16(vreinterpretq_s16_u16(q9u16)); d = dest; vst1_lane_u32((uint32_t *)d, vreinterpret_u32_u8(d26u8), 0); d += dest_stride; vst1_lane_u32((uint32_t *)d, vreinterpret_u32_u8(d26u8), 1); d += dest_stride; vst1_lane_u32((uint32_t *)d, vreinterpret_u32_u8(d27u8), 1); d += dest_stride; vst1_lane_u32((uint32_t *)d, vreinterpret_u32_u8(d27u8), 0); return; }
static inline int32_t TransformAndFindMaxNeon(int16_t* inre, int16_t* inim, int32_t* outre, int32_t* outim) { int k; int16_t* inre1 = inre; int16_t* inre2 = &inre[FRAMESAMPLES/2 - 4]; int16_t* inim1 = inim; int16_t* inim2 = &inim[FRAMESAMPLES/2 - 4]; int32_t* outre1 = outre; int32_t* outre2 = &outre[FRAMESAMPLES/2 - 4]; int32_t* outim1 = outim; int32_t* outim2 = &outim[FRAMESAMPLES/2 - 4]; const int16_t* kSinTab1 = &WebRtcIsacfix_kSinTab2[0]; const int16_t* kSinTab2 = &WebRtcIsacfix_kSinTab2[FRAMESAMPLES/4 - 4]; uint32x4_t max_r = vdupq_n_u32(0); uint32x4_t max_i = vdupq_n_u32(0); // Use ">> 5", instead of "<< 9" and then ">> 14" as in the C code. for (k = 0; k < FRAMESAMPLES/4; k += 4) { int16x4_t tmpi = vld1_s16(kSinTab1); kSinTab1 += 4; int16x4_t tmpr = vld1_s16(kSinTab2); kSinTab2 -= 4; int16x4_t inre_0 = vld1_s16(inre1); inre1 += 4; int16x4_t inre_1 = vld1_s16(inre2); inre2 -= 4; int16x4_t inim_0 = vld1_s16(inim1); inim1 += 4; int16x4_t inim_1 = vld1_s16(inim2); inim2 -= 4; tmpr = vneg_s16(tmpr); inre_1 = vrev64_s16(inre_1); inim_1 = vrev64_s16(inim_1); tmpr = vrev64_s16(tmpr); int32x4_t xr = vmull_s16(tmpr, inre_0); int32x4_t xi = vmull_s16(tmpr, inim_0); int32x4_t yr = vmull_s16(tmpr, inim_1); int32x4_t yi = vmull_s16(tmpi, inim_1); xr = vmlal_s16(xr, tmpi, inim_0); xi = vmlsl_s16(xi, tmpi, inre_0); yr = vmlal_s16(yr, tmpi, inre_1); yi = vmlsl_s16(yi, tmpr, inre_1); yr = vnegq_s32(yr); xr = vshrq_n_s32(xr, 5); xi = vshrq_n_s32(xi, 5); yr = vshrq_n_s32(yr, 5); yi = vshrq_n_s32(yi, 5); int32x4_t outr0 = vsubq_s32(xr, yi); int32x4_t outr1 = vaddq_s32(xr, yi); int32x4_t outi0 = vaddq_s32(xi, yr); int32x4_t outi1 = vsubq_s32(yr, xi); // Find the absolute maximum in the vectors. int32x4_t tmp0 = vabsq_s32(outr0); int32x4_t tmp1 = vabsq_s32(outr1); int32x4_t tmp2 = vabsq_s32(outi0); int32x4_t tmp3 = vabsq_s32(outi1); // vabs doesn't change the value of 0x80000000. // Use u32 so we don't lose the value 0x80000000. max_r = vmaxq_u32(max_r, vreinterpretq_u32_s32(tmp0)); max_i = vmaxq_u32(max_i, vreinterpretq_u32_s32(tmp2)); max_r = vmaxq_u32(max_r, vreinterpretq_u32_s32(tmp1)); max_i = vmaxq_u32(max_i, vreinterpretq_u32_s32(tmp3)); // Store the vectors. outr1 = vrev64q_s32(outr1); outi1 = vrev64q_s32(outi1); int32x4_t outr_1 = vcombine_s32(vget_high_s32(outr1), vget_low_s32(outr1)); int32x4_t outi_1 = vcombine_s32(vget_high_s32(outi1), vget_low_s32(outi1)); vst1q_s32(outre1, outr0); outre1 += 4; vst1q_s32(outim1, outi0); outim1 += 4; vst1q_s32(outre2, outr_1); outre2 -= 4; vst1q_s32(outim2, outi_1); outim2 -= 4; } max_r = vmaxq_u32(max_r, max_i); #if defined(WEBRTC_ARCH_ARM64) uint32_t maximum = vmaxvq_u32(max_r); #else uint32x2_t max32x2_r = vmax_u32(vget_low_u32(max_r), vget_high_u32(max_r)); max32x2_r = vpmax_u32(max32x2_r, max32x2_r); uint32_t maximum = vget_lane_u32(max32x2_r, 0); #endif return (int32_t)maximum; }
static inline int32_t ComplexMulAndFindMaxNeon(int16_t* inre1Q9, int16_t* inre2Q9, int32_t* outreQ16, int32_t* outimQ16) { int k; const int16_t* kCosTab = &WebRtcIsacfix_kCosTab1[0]; const int16_t* kSinTab = &WebRtcIsacfix_kSinTab1[0]; // 0.5 / sqrt(240) in Q19 is round((.5 / sqrt(240)) * (2^19)) = 16921. // Use "16921 << 5" and vqdmulh, instead of ">> 26" as in the C code. int32_t fact = 16921 << 5; int32x4_t factq = vdupq_n_s32(fact); uint32x4_t max_r = vdupq_n_u32(0); uint32x4_t max_i = vdupq_n_u32(0); for (k = 0; k < FRAMESAMPLES/2; k += 8) { int16x8_t tmpr = vld1q_s16(kCosTab); int16x8_t tmpi = vld1q_s16(kSinTab); int16x8_t inre1 = vld1q_s16(inre1Q9); int16x8_t inre2 = vld1q_s16(inre2Q9); kCosTab += 8; kSinTab += 8; inre1Q9 += 8; inre2Q9 += 8; // Use ">> 26", instead of ">> 7", ">> 16" and then ">> 3" as in the C code. int32x4_t tmp0 = vmull_s16(vget_low_s16(tmpr), vget_low_s16(inre1)); int32x4_t tmp1 = vmull_s16(vget_low_s16(tmpr), vget_low_s16(inre2)); tmp0 = vmlal_s16(tmp0, vget_low_s16(tmpi), vget_low_s16(inre2)); tmp1 = vmlsl_s16(tmp1, vget_low_s16(tmpi), vget_low_s16(inre1)); #if defined(WEBRTC_ARCH_ARM64) int32x4_t tmp2 = vmull_high_s16(tmpr, inre1); int32x4_t tmp3 = vmull_high_s16(tmpr, inre2); tmp2 = vmlal_high_s16(tmp2, tmpi, inre2); tmp3 = vmlsl_high_s16(tmp3, tmpi, inre1); #else int32x4_t tmp2 = vmull_s16(vget_high_s16(tmpr), vget_high_s16(inre1)); int32x4_t tmp3 = vmull_s16(vget_high_s16(tmpr), vget_high_s16(inre2)); tmp2 = vmlal_s16(tmp2, vget_high_s16(tmpi), vget_high_s16(inre2)); tmp3 = vmlsl_s16(tmp3, vget_high_s16(tmpi), vget_high_s16(inre1)); #endif int32x4_t outr_0 = vqdmulhq_s32(tmp0, factq); int32x4_t outr_1 = vqdmulhq_s32(tmp2, factq); int32x4_t outi_0 = vqdmulhq_s32(tmp1, factq); int32x4_t outi_1 = vqdmulhq_s32(tmp3, factq); vst1q_s32(outreQ16, outr_0); outreQ16 += 4; vst1q_s32(outreQ16, outr_1); outreQ16 += 4; vst1q_s32(outimQ16, outi_0); outimQ16 += 4; vst1q_s32(outimQ16, outi_1); outimQ16 += 4; // Find the absolute maximum in the vectors. tmp0 = vabsq_s32(outr_0); tmp1 = vabsq_s32(outr_1); tmp2 = vabsq_s32(outi_0); tmp3 = vabsq_s32(outi_1); // vabs doesn't change the value of 0x80000000. // Use u32 so we don't lose the value 0x80000000. max_r = vmaxq_u32(max_r, vreinterpretq_u32_s32(tmp0)); max_i = vmaxq_u32(max_i, vreinterpretq_u32_s32(tmp2)); max_r = vmaxq_u32(max_r, vreinterpretq_u32_s32(tmp1)); max_i = vmaxq_u32(max_i, vreinterpretq_u32_s32(tmp3)); } max_r = vmaxq_u32(max_r, max_i); #if defined(WEBRTC_ARCH_ARM64) uint32_t maximum = vmaxvq_u32(max_r); #else uint32x2_t max32x2_r = vmax_u32(vget_low_u32(max_r), vget_high_u32(max_r)); max32x2_r = vpmax_u32(max32x2_r, max32x2_r); uint32_t maximum = vget_lane_u32(max32x2_r, 0); #endif return (int32_t)maximum; }
static inline void PostShiftAndSeparateNeon(int16_t* inre, int16_t* inim, int16_t* outre, int16_t* outim, int32_t sh) { int k; int16_t* inre1 = inre; int16_t* inre2 = &inre[FRAMESAMPLES/2 - 4]; int16_t* inim1 = inim; int16_t* inim2 = &inim[FRAMESAMPLES/2 - 4]; int16_t* outre1 = outre; int16_t* outre2 = &outre[FRAMESAMPLES/2 - 4]; int16_t* outim1 = outim; int16_t* outim2 = &outim[FRAMESAMPLES/2 - 4]; const int16_t* kSinTab1 = &WebRtcIsacfix_kSinTab2[0]; const int16_t* kSinTab2 = &WebRtcIsacfix_kSinTab2[FRAMESAMPLES/4 -4]; // By vshl, we effectively did "<< (-sh - 23)", instead of "<< (-sh)", // ">> 14" and then ">> 9" as in the C code. int32x4_t shift = vdupq_n_s32(-sh - 23); for (k = 0; k < FRAMESAMPLES/4; k += 4) { int16x4_t tmpi = vld1_s16(kSinTab1); kSinTab1 += 4; int16x4_t tmpr = vld1_s16(kSinTab2); kSinTab2 -= 4; int16x4_t inre_0 = vld1_s16(inre1); inre1 += 4; int16x4_t inre_1 = vld1_s16(inre2); inre2 -= 4; int16x4_t inim_0 = vld1_s16(inim1); inim1 += 4; int16x4_t inim_1 = vld1_s16(inim2); inim2 -= 4; tmpr = vneg_s16(tmpr); inre_1 = vrev64_s16(inre_1); inim_1 = vrev64_s16(inim_1); tmpr = vrev64_s16(tmpr); int16x4_t xr = vqadd_s16(inre_0, inre_1); int16x4_t xi = vqsub_s16(inim_0, inim_1); int16x4_t yr = vqadd_s16(inim_0, inim_1); int16x4_t yi = vqsub_s16(inre_1, inre_0); int32x4_t outr0 = vmull_s16(tmpr, xr); int32x4_t outi0 = vmull_s16(tmpi, xr); int32x4_t outr1 = vmull_s16(tmpi, yr); int32x4_t outi1 = vmull_s16(tmpi, yi); outr0 = vmlsl_s16(outr0, tmpi, xi); outi0 = vmlal_s16(outi0, tmpr, xi); outr1 = vmlal_s16(outr1, tmpr, yi); outi1 = vmlsl_s16(outi1, tmpr, yr); outr0 = vshlq_s32(outr0, shift); outi0 = vshlq_s32(outi0, shift); outr1 = vshlq_s32(outr1, shift); outi1 = vshlq_s32(outi1, shift); outr1 = vnegq_s32(outr1); int16x4_t outre_0 = vmovn_s32(outr0); int16x4_t outim_0 = vmovn_s32(outi0); int16x4_t outre_1 = vmovn_s32(outr1); int16x4_t outim_1 = vmovn_s32(outi1); outre_1 = vrev64_s16(outre_1); outim_1 = vrev64_s16(outim_1); vst1_s16(outre1, outre_0); outre1 += 4; vst1_s16(outim1, outim_0); outim1 += 4; vst1_s16(outre2, outre_1); outre2 -= 4; vst1_s16(outim2, outim_1); outim2 -= 4; } }
void vp8_short_fdct4x4_neon( int16_t *input, int16_t *output, int pitch) { int16x4_t d0s16, d1s16, d2s16, d3s16, d4s16, d5s16, d6s16, d7s16; int16x4_t d16s16, d17s16, d26s16, dEmptys16; uint16x4_t d4u16; int16x8_t q0s16, q1s16; int32x4_t q9s32, q10s32, q11s32, q12s32; int16x4x2_t v2tmp0, v2tmp1; int32x2x2_t v2tmp2, v2tmp3; d16s16 = vdup_n_s16(5352); d17s16 = vdup_n_s16(2217); q9s32 = vdupq_n_s32(14500); q10s32 = vdupq_n_s32(7500); q11s32 = vdupq_n_s32(12000); q12s32 = vdupq_n_s32(51000); // Part one pitch >>= 1; d0s16 = vld1_s16(input); input += pitch; d1s16 = vld1_s16(input); input += pitch; d2s16 = vld1_s16(input); input += pitch; d3s16 = vld1_s16(input); v2tmp2 = vtrn_s32(vreinterpret_s32_s16(d0s16), vreinterpret_s32_s16(d2s16)); v2tmp3 = vtrn_s32(vreinterpret_s32_s16(d1s16), vreinterpret_s32_s16(d3s16)); v2tmp0 = vtrn_s16(vreinterpret_s16_s32(v2tmp2.val[0]), // d0 vreinterpret_s16_s32(v2tmp3.val[0])); // d1 v2tmp1 = vtrn_s16(vreinterpret_s16_s32(v2tmp2.val[1]), // d2 vreinterpret_s16_s32(v2tmp3.val[1])); // d3 d4s16 = vadd_s16(v2tmp0.val[0], v2tmp1.val[1]); d5s16 = vadd_s16(v2tmp0.val[1], v2tmp1.val[0]); d6s16 = vsub_s16(v2tmp0.val[1], v2tmp1.val[0]); d7s16 = vsub_s16(v2tmp0.val[0], v2tmp1.val[1]); d4s16 = vshl_n_s16(d4s16, 3); d5s16 = vshl_n_s16(d5s16, 3); d6s16 = vshl_n_s16(d6s16, 3); d7s16 = vshl_n_s16(d7s16, 3); d0s16 = vadd_s16(d4s16, d5s16); d2s16 = vsub_s16(d4s16, d5s16); q9s32 = vmlal_s16(q9s32, d7s16, d16s16); q10s32 = vmlal_s16(q10s32, d7s16, d17s16); q9s32 = vmlal_s16(q9s32, d6s16, d17s16); q10s32 = vmlsl_s16(q10s32, d6s16, d16s16); d1s16 = vshrn_n_s32(q9s32, 12); d3s16 = vshrn_n_s32(q10s32, 12); // Part two v2tmp2 = vtrn_s32(vreinterpret_s32_s16(d0s16), vreinterpret_s32_s16(d2s16)); v2tmp3 = vtrn_s32(vreinterpret_s32_s16(d1s16), vreinterpret_s32_s16(d3s16)); v2tmp0 = vtrn_s16(vreinterpret_s16_s32(v2tmp2.val[0]), // d0 vreinterpret_s16_s32(v2tmp3.val[0])); // d1 v2tmp1 = vtrn_s16(vreinterpret_s16_s32(v2tmp2.val[1]), // d2 vreinterpret_s16_s32(v2tmp3.val[1])); // d3 d4s16 = vadd_s16(v2tmp0.val[0], v2tmp1.val[1]); d5s16 = vadd_s16(v2tmp0.val[1], v2tmp1.val[0]); d6s16 = vsub_s16(v2tmp0.val[1], v2tmp1.val[0]); d7s16 = vsub_s16(v2tmp0.val[0], v2tmp1.val[1]); d26s16 = vdup_n_s16(7); d4s16 = vadd_s16(d4s16, d26s16); d0s16 = vadd_s16(d4s16, d5s16); d2s16 = vsub_s16(d4s16, d5s16); q11s32 = vmlal_s16(q11s32, d7s16, d16s16); q12s32 = vmlal_s16(q12s32, d7s16, d17s16); dEmptys16 = vdup_n_s16(0); d4u16 = vceq_s16(d7s16, dEmptys16); d0s16 = vshr_n_s16(d0s16, 4); d2s16 = vshr_n_s16(d2s16, 4); q11s32 = vmlal_s16(q11s32, d6s16, d17s16); q12s32 = vmlsl_s16(q12s32, d6s16, d16s16); d4u16 = vmvn_u16(d4u16); d1s16 = vshrn_n_s32(q11s32, 16); d1s16 = vsub_s16(d1s16, vreinterpret_s16_u16(d4u16)); d3s16 = vshrn_n_s32(q12s32, 16); q0s16 = vcombine_s16(d0s16, d1s16); q1s16 = vcombine_s16(d2s16, d3s16); vst1q_s16(output, q0s16); vst1q_s16(output + 8, q1s16); return; }
void vp8_short_fdct8x4_neon( int16_t *input, int16_t *output, int pitch) { int16x4_t d0s16, d1s16, d2s16, d3s16, d4s16, d5s16, d6s16, d7s16; int16x4_t d16s16, d17s16, d26s16, d27s16, d28s16, d29s16; uint16x4_t d28u16, d29u16; uint16x8_t q14u16; int16x8_t q0s16, q1s16, q2s16, q3s16; int16x8_t q11s16, q12s16, q13s16, q14s16, q15s16, qEmptys16; int32x4_t q9s32, q10s32, q11s32, q12s32; int16x8x2_t v2tmp0, v2tmp1; int32x4x2_t v2tmp2, v2tmp3; d16s16 = vdup_n_s16(5352); d17s16 = vdup_n_s16(2217); q9s32 = vdupq_n_s32(14500); q10s32 = vdupq_n_s32(7500); // Part one pitch >>= 1; q0s16 = vld1q_s16(input); input += pitch; q1s16 = vld1q_s16(input); input += pitch; q2s16 = vld1q_s16(input); input += pitch; q3s16 = vld1q_s16(input); v2tmp2 = vtrnq_s32(vreinterpretq_s32_s16(q0s16), vreinterpretq_s32_s16(q2s16)); v2tmp3 = vtrnq_s32(vreinterpretq_s32_s16(q1s16), vreinterpretq_s32_s16(q3s16)); v2tmp0 = vtrnq_s16(vreinterpretq_s16_s32(v2tmp2.val[0]), // q0 vreinterpretq_s16_s32(v2tmp3.val[0])); // q1 v2tmp1 = vtrnq_s16(vreinterpretq_s16_s32(v2tmp2.val[1]), // q2 vreinterpretq_s16_s32(v2tmp3.val[1])); // q3 q11s16 = vaddq_s16(v2tmp0.val[0], v2tmp1.val[1]); q12s16 = vaddq_s16(v2tmp0.val[1], v2tmp1.val[0]); q13s16 = vsubq_s16(v2tmp0.val[1], v2tmp1.val[0]); q14s16 = vsubq_s16(v2tmp0.val[0], v2tmp1.val[1]); q11s16 = vshlq_n_s16(q11s16, 3); q12s16 = vshlq_n_s16(q12s16, 3); q13s16 = vshlq_n_s16(q13s16, 3); q14s16 = vshlq_n_s16(q14s16, 3); q0s16 = vaddq_s16(q11s16, q12s16); q2s16 = vsubq_s16(q11s16, q12s16); q11s32 = q9s32; q12s32 = q10s32; d26s16 = vget_low_s16(q13s16); d27s16 = vget_high_s16(q13s16); d28s16 = vget_low_s16(q14s16); d29s16 = vget_high_s16(q14s16); q9s32 = vmlal_s16(q9s32, d28s16, d16s16); q10s32 = vmlal_s16(q10s32, d28s16, d17s16); q11s32 = vmlal_s16(q11s32, d29s16, d16s16); q12s32 = vmlal_s16(q12s32, d29s16, d17s16); q9s32 = vmlal_s16(q9s32, d26s16, d17s16); q10s32 = vmlsl_s16(q10s32, d26s16, d16s16); q11s32 = vmlal_s16(q11s32, d27s16, d17s16); q12s32 = vmlsl_s16(q12s32, d27s16, d16s16); d2s16 = vshrn_n_s32(q9s32, 12); d6s16 = vshrn_n_s32(q10s32, 12); d3s16 = vshrn_n_s32(q11s32, 12); d7s16 = vshrn_n_s32(q12s32, 12); q1s16 = vcombine_s16(d2s16, d3s16); q3s16 = vcombine_s16(d6s16, d7s16); // Part two q9s32 = vdupq_n_s32(12000); q10s32 = vdupq_n_s32(51000); v2tmp2 = vtrnq_s32(vreinterpretq_s32_s16(q0s16), vreinterpretq_s32_s16(q2s16)); v2tmp3 = vtrnq_s32(vreinterpretq_s32_s16(q1s16), vreinterpretq_s32_s16(q3s16)); v2tmp0 = vtrnq_s16(vreinterpretq_s16_s32(v2tmp2.val[0]), // q0 vreinterpretq_s16_s32(v2tmp3.val[0])); // q1 v2tmp1 = vtrnq_s16(vreinterpretq_s16_s32(v2tmp2.val[1]), // q2 vreinterpretq_s16_s32(v2tmp3.val[1])); // q3 q11s16 = vaddq_s16(v2tmp0.val[0], v2tmp1.val[1]); q12s16 = vaddq_s16(v2tmp0.val[1], v2tmp1.val[0]); q13s16 = vsubq_s16(v2tmp0.val[1], v2tmp1.val[0]); q14s16 = vsubq_s16(v2tmp0.val[0], v2tmp1.val[1]); q15s16 = vdupq_n_s16(7); q11s16 = vaddq_s16(q11s16, q15s16); q0s16 = vaddq_s16(q11s16, q12s16); q1s16 = vsubq_s16(q11s16, q12s16); q11s32 = q9s32; q12s32 = q10s32; d0s16 = vget_low_s16(q0s16); d1s16 = vget_high_s16(q0s16); d2s16 = vget_low_s16(q1s16); d3s16 = vget_high_s16(q1s16); d0s16 = vshr_n_s16(d0s16, 4); d4s16 = vshr_n_s16(d1s16, 4); d2s16 = vshr_n_s16(d2s16, 4); d6s16 = vshr_n_s16(d3s16, 4); d26s16 = vget_low_s16(q13s16); d27s16 = vget_high_s16(q13s16); d28s16 = vget_low_s16(q14s16); d29s16 = vget_high_s16(q14s16); q9s32 = vmlal_s16(q9s32, d28s16, d16s16); q10s32 = vmlal_s16(q10s32, d28s16, d17s16); q11s32 = vmlal_s16(q11s32, d29s16, d16s16); q12s32 = vmlal_s16(q12s32, d29s16, d17s16); q9s32 = vmlal_s16(q9s32, d26s16, d17s16); q10s32 = vmlsl_s16(q10s32, d26s16, d16s16); q11s32 = vmlal_s16(q11s32, d27s16, d17s16); q12s32 = vmlsl_s16(q12s32, d27s16, d16s16); d1s16 = vshrn_n_s32(q9s32, 16); d3s16 = vshrn_n_s32(q10s32, 16); d5s16 = vshrn_n_s32(q11s32, 16); d7s16 = vshrn_n_s32(q12s32, 16); qEmptys16 = vdupq_n_s16(0); q14u16 = vceqq_s16(q14s16, qEmptys16); q14u16 = vmvnq_u16(q14u16); d28u16 = vget_low_u16(q14u16); d29u16 = vget_high_u16(q14u16); d1s16 = vsub_s16(d1s16, vreinterpret_s16_u16(d28u16)); d5s16 = vsub_s16(d5s16, vreinterpret_s16_u16(d29u16)); q0s16 = vcombine_s16(d0s16, d1s16); q1s16 = vcombine_s16(d2s16, d3s16); q2s16 = vcombine_s16(d4s16, d5s16); q3s16 = vcombine_s16(d6s16, d7s16); vst1q_s16(output, q0s16); vst1q_s16(output + 8, q1s16); vst1q_s16(output + 16, q2s16); vst1q_s16(output + 24, q3s16); return; }