#include <arm_neon.h>
#include "./vpx_config.h"
+#include "./vpx_dsp_rtcd.h"
+#include "vpx_dsp/arm/idct_neon.h"
+#include "vpx_dsp/arm/mem_neon.h"
+#include "vpx_dsp/arm/transpose_neon.h"
#include "vpx_dsp/txfm_common.h"
-static INLINE void TRANSPOSE8X8(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 d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16;
- int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16;
- int32x4x2_t q0x2s32, q1x2s32, q2x2s32, q3x2s32;
- int16x8x2_t q0x2s16, q1x2s16, q2x2s16, q3x2s16;
-
- 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);
-
- *q8s16 = vcombine_s16(d16s16, d24s16); // vswp d17, d24
- *q9s16 = vcombine_s16(d18s16, d26s16); // vswp d19, d26
- *q10s16 = vcombine_s16(d20s16, d28s16); // vswp d21, d28
- *q11s16 = vcombine_s16(d22s16, d30s16); // vswp d23, d30
- *q12s16 = vcombine_s16(d17s16, d25s16);
- *q13s16 = vcombine_s16(d19s16, d27s16);
- *q14s16 = vcombine_s16(d21s16, d29s16);
- *q15s16 = vcombine_s16(d23s16, d31s16);
-
- q0x2s32 =
- vtrnq_s32(vreinterpretq_s32_s16(*q8s16), vreinterpretq_s32_s16(*q10s16));
- q1x2s32 =
- vtrnq_s32(vreinterpretq_s32_s16(*q9s16), vreinterpretq_s32_s16(*q11s16));
- q2x2s32 =
- vtrnq_s32(vreinterpretq_s32_s16(*q12s16), vreinterpretq_s32_s16(*q14s16));
- q3x2s32 =
- vtrnq_s32(vreinterpretq_s32_s16(*q13s16), vreinterpretq_s32_s16(*q15s16));
-
- q0x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q0x2s32.val[0]), // q8
- vreinterpretq_s16_s32(q1x2s32.val[0])); // q9
- q1x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q0x2s32.val[1]), // q10
- vreinterpretq_s16_s32(q1x2s32.val[1])); // q11
- q2x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q2x2s32.val[0]), // q12
- vreinterpretq_s16_s32(q3x2s32.val[0])); // q13
- q3x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q2x2s32.val[1]), // q14
- vreinterpretq_s16_s32(q3x2s32.val[1])); // q15
-
- *q8s16 = q0x2s16.val[0];
- *q9s16 = q0x2s16.val[1];
- *q10s16 = q1x2s16.val[0];
- *q11s16 = q1x2s16.val[1];
- *q12s16 = q2x2s16.val[0];
- *q13s16 = q2x2s16.val[1];
- *q14s16 = q3x2s16.val[0];
- *q15s16 = q3x2s16.val[1];
- return;
-}
-
-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;
+static INLINE void add8x8(int16x8_t a0, int16x8_t a1, int16x8_t a2,
+ int16x8_t a3, int16x8_t a4, int16x8_t a5,
+ int16x8_t a6, int16x8_t a7, uint8_t *dest,
+ const int stride) {
+ const uint8_t *dst = dest;
+ uint8x8_t d0, d1, d2, d3, d4, d5, d6, d7;
+ uint16x8_t d0_u16, d1_u16, d2_u16, d3_u16, d4_u16, d5_u16, d6_u16, d7_u16;
+
+ a0 = vrshrq_n_s16(a0, 5);
+ a1 = vrshrq_n_s16(a1, 5);
+ a2 = vrshrq_n_s16(a2, 5);
+ a3 = vrshrq_n_s16(a3, 5);
+ a4 = vrshrq_n_s16(a4, 5);
+ a5 = vrshrq_n_s16(a5, 5);
+ a6 = vrshrq_n_s16(a6, 5);
+ a7 = vrshrq_n_s16(a7, 5);
+
+ d0 = vld1_u8(dst);
+ dst += stride;
+ d1 = vld1_u8(dst);
+ dst += stride;
+ d2 = vld1_u8(dst);
+ dst += stride;
+ d3 = vld1_u8(dst);
+ dst += stride;
+ d4 = vld1_u8(dst);
+ dst += stride;
+ d5 = vld1_u8(dst);
+ dst += stride;
+ d6 = vld1_u8(dst);
+ dst += stride;
+ d7 = vld1_u8(dst);
+
+ d0_u16 = vaddw_u8(vreinterpretq_u16_s16(a0), d0);
+ d1_u16 = vaddw_u8(vreinterpretq_u16_s16(a1), d1);
+ d2_u16 = vaddw_u8(vreinterpretq_u16_s16(a2), d2);
+ d3_u16 = vaddw_u8(vreinterpretq_u16_s16(a3), d3);
+ d4_u16 = vaddw_u8(vreinterpretq_u16_s16(a4), d4);
+ d5_u16 = vaddw_u8(vreinterpretq_u16_s16(a5), d5);
+ d6_u16 = vaddw_u8(vreinterpretq_u16_s16(a6), d6);
+ d7_u16 = vaddw_u8(vreinterpretq_u16_s16(a7), d7);
+
+ d0 = vqmovun_s16(vreinterpretq_s16_u16(d0_u16));
+ d1 = vqmovun_s16(vreinterpretq_s16_u16(d1_u16));
+ d2 = vqmovun_s16(vreinterpretq_s16_u16(d2_u16));
+ d3 = vqmovun_s16(vreinterpretq_s16_u16(d3_u16));
+ d4 = vqmovun_s16(vreinterpretq_s16_u16(d4_u16));
+ d5 = vqmovun_s16(vreinterpretq_s16_u16(d5_u16));
+ d6 = vqmovun_s16(vreinterpretq_s16_u16(d6_u16));
+ d7 = vqmovun_s16(vreinterpretq_s16_u16(d7_u16));
+
+ vst1_u8(dest, d0);
+ dest += stride;
+ vst1_u8(dest, d1);
+ dest += stride;
+ vst1_u8(dest, d2);
+ dest += stride;
+ vst1_u8(dest, d3);
+ dest += stride;
+ vst1_u8(dest, d4);
+ dest += stride;
+ vst1_u8(dest, d5);
+ dest += stride;
+ vst1_u8(dest, d6);
+ dest += stride;
+ vst1_u8(dest, d7);
}
-void vpx_idct8x8_64_add_neon(int16_t *input, uint8_t *dest, int dest_stride) {
- 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 + 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);
-
- IDCT8x8_1D(&q8s16, &q9s16, &q10s16, &q11s16, &q12s16, &q13s16, &q14s16,
- &q15s16);
-
- 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 vpx_idct8x8_64_add_neon(const tran_low_t *input, uint8_t *dest,
+ int stride) {
+ 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 a0 = load_tran_low_to_s16q(input);
+ int16x8_t a1 = load_tran_low_to_s16q(input + 8);
+ int16x8_t a2 = load_tran_low_to_s16q(input + 16);
+ int16x8_t a3 = load_tran_low_to_s16q(input + 24);
+ int16x8_t a4 = load_tran_low_to_s16q(input + 32);
+ int16x8_t a5 = load_tran_low_to_s16q(input + 40);
+ int16x8_t a6 = load_tran_low_to_s16q(input + 48);
+ int16x8_t a7 = load_tran_low_to_s16q(input + 56);
+
+ idct8x8_64_1d_bd8(cospis0, cospis1, &a0, &a1, &a2, &a3, &a4, &a5, &a6, &a7);
+ idct8x8_64_1d_bd8(cospis0, cospis1, &a0, &a1, &a2, &a3, &a4, &a5, &a6, &a7);
+ add8x8(a0, a1, a2, a3, a4, a5, a6, a7, dest, stride);
}
-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 vpx_idct8x8_12_add_neon(const tran_low_t *input, uint8_t *dest,
+ int stride) {
+ const int16x8_t cospis = vld1q_s16(kCospi);
+ const int16x8_t cospisd = vaddq_s16(cospis, cospis);
+ const int16x4_t cospis0 = vget_low_s16(cospis); // cospi 0, 8, 16, 24
+ const int16x4_t cospisd0 = vget_low_s16(cospisd); // doubled 0, 8, 16, 24
+ const int16x4_t cospisd1 = vget_high_s16(cospisd); // doubled 4, 12, 20, 28
+ int16x4_t a0, a1, a2, a3, a4, a5, a6, a7;
+ int16x8_t b0, b1, b2, b3, b4, b5, b6, b7;
+
+ a0 = load_tran_low_to_s16d(input);
+ a1 = load_tran_low_to_s16d(input + 8);
+ a2 = load_tran_low_to_s16d(input + 16);
+ a3 = load_tran_low_to_s16d(input + 24);
+
+ idct8x8_12_pass1_bd8(cospis0, cospisd0, cospisd1, &a0, &a1, &a2, &a3, &a4,
+ &a5, &a6, &a7);
+ idct8x8_12_pass2_bd8(cospis0, cospisd0, cospisd1, a0, a1, a2, a3, a4, a5, a6,
+ a7, &b0, &b1, &b2, &b3, &b4, &b5, &b6, &b7);
+ add8x8(b0, b1, b2, b3, b4, b5, b6, b7, dest, stride);
}
projects / libvpx / blobdiff