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-rw-r--r--third_party/aom/aom_dsp/arm/sad4d_neon.c226
1 files changed, 226 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/arm/sad4d_neon.c b/third_party/aom/aom_dsp/arm/sad4d_neon.c
new file mode 100644
index 0000000000..606950ab25
--- /dev/null
+++ b/third_party/aom/aom_dsp/arm/sad4d_neon.c
@@ -0,0 +1,226 @@
+/*
+ * 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.
+ */
+
+#include <arm_neon.h>
+
+#include "config/aom_config.h"
+#include "config/aom_dsp_rtcd.h"
+
+#include "aom/aom_integer.h"
+
+static INLINE unsigned int horizontal_long_add_16x8(const uint16x8_t vec_lo,
+ const uint16x8_t vec_hi) {
+ const uint32x4_t vec_l_lo =
+ vaddl_u16(vget_low_u16(vec_lo), vget_high_u16(vec_lo));
+ const uint32x4_t vec_l_hi =
+ vaddl_u16(vget_low_u16(vec_hi), vget_high_u16(vec_hi));
+ const uint32x4_t a = vaddq_u32(vec_l_lo, vec_l_hi);
+ const uint64x2_t b = vpaddlq_u32(a);
+ const uint32x2_t c = vadd_u32(vreinterpret_u32_u64(vget_low_u64(b)),
+ vreinterpret_u32_u64(vget_high_u64(b)));
+ return vget_lane_u32(c, 0);
+}
+
+// Calculate the absolute difference of 64 bytes from vec_src_00, vec_src_16,
+// vec_src_32, vec_src_48 and ref. Accumulate partial sums in vec_sum_ref_lo
+// and vec_sum_ref_hi.
+static void sad_neon_64(const uint8x16_t vec_src_00,
+ const uint8x16_t vec_src_16,
+ const uint8x16_t vec_src_32,
+ const uint8x16_t vec_src_48, const uint8_t *ref,
+ uint16x8_t *vec_sum_ref_lo,
+ uint16x8_t *vec_sum_ref_hi) {
+ const uint8x16_t vec_ref_00 = vld1q_u8(ref);
+ const uint8x16_t vec_ref_16 = vld1q_u8(ref + 16);
+ const uint8x16_t vec_ref_32 = vld1q_u8(ref + 32);
+ const uint8x16_t vec_ref_48 = vld1q_u8(ref + 48);
+
+ *vec_sum_ref_lo = vabal_u8(*vec_sum_ref_lo, vget_low_u8(vec_src_00),
+ vget_low_u8(vec_ref_00));
+ *vec_sum_ref_hi = vabal_u8(*vec_sum_ref_hi, vget_high_u8(vec_src_00),
+ vget_high_u8(vec_ref_00));
+ *vec_sum_ref_lo = vabal_u8(*vec_sum_ref_lo, vget_low_u8(vec_src_16),
+ vget_low_u8(vec_ref_16));
+ *vec_sum_ref_hi = vabal_u8(*vec_sum_ref_hi, vget_high_u8(vec_src_16),
+ vget_high_u8(vec_ref_16));
+ *vec_sum_ref_lo = vabal_u8(*vec_sum_ref_lo, vget_low_u8(vec_src_32),
+ vget_low_u8(vec_ref_32));
+ *vec_sum_ref_hi = vabal_u8(*vec_sum_ref_hi, vget_high_u8(vec_src_32),
+ vget_high_u8(vec_ref_32));
+ *vec_sum_ref_lo = vabal_u8(*vec_sum_ref_lo, vget_low_u8(vec_src_48),
+ vget_low_u8(vec_ref_48));
+ *vec_sum_ref_hi = vabal_u8(*vec_sum_ref_hi, vget_high_u8(vec_src_48),
+ vget_high_u8(vec_ref_48));
+}
+
+// Calculate the absolute difference of 32 bytes from vec_src_00, vec_src_16,
+// and ref. Accumulate partial sums in vec_sum_ref_lo and vec_sum_ref_hi.
+static void sad_neon_32(const uint8x16_t vec_src_00,
+ const uint8x16_t vec_src_16, const uint8_t *ref,
+ uint16x8_t *vec_sum_ref_lo,
+ uint16x8_t *vec_sum_ref_hi) {
+ const uint8x16_t vec_ref_00 = vld1q_u8(ref);
+ const uint8x16_t vec_ref_16 = vld1q_u8(ref + 16);
+
+ *vec_sum_ref_lo = vabal_u8(*vec_sum_ref_lo, vget_low_u8(vec_src_00),
+ vget_low_u8(vec_ref_00));
+ *vec_sum_ref_hi = vabal_u8(*vec_sum_ref_hi, vget_high_u8(vec_src_00),
+ vget_high_u8(vec_ref_00));
+ *vec_sum_ref_lo = vabal_u8(*vec_sum_ref_lo, vget_low_u8(vec_src_16),
+ vget_low_u8(vec_ref_16));
+ *vec_sum_ref_hi = vabal_u8(*vec_sum_ref_hi, vget_high_u8(vec_src_16),
+ vget_high_u8(vec_ref_16));
+}
+
+void aom_sad64x64x4d_neon(const uint8_t *src, int src_stride,
+ const uint8_t *const ref[4], int ref_stride,
+ uint32_t *res) {
+ int i;
+ uint16x8_t vec_sum_ref0_lo = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref0_hi = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref1_lo = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref1_hi = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref2_lo = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref2_hi = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref3_lo = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref3_hi = vdupq_n_u16(0);
+ const uint8_t *ref0, *ref1, *ref2, *ref3;
+ ref0 = ref[0];
+ ref1 = ref[1];
+ ref2 = ref[2];
+ ref3 = ref[3];
+
+ for (i = 0; i < 64; ++i) {
+ const uint8x16_t vec_src_00 = vld1q_u8(src);
+ const uint8x16_t vec_src_16 = vld1q_u8(src + 16);
+ const uint8x16_t vec_src_32 = vld1q_u8(src + 32);
+ const uint8x16_t vec_src_48 = vld1q_u8(src + 48);
+
+ sad_neon_64(vec_src_00, vec_src_16, vec_src_32, vec_src_48, ref0,
+ &vec_sum_ref0_lo, &vec_sum_ref0_hi);
+ sad_neon_64(vec_src_00, vec_src_16, vec_src_32, vec_src_48, ref1,
+ &vec_sum_ref1_lo, &vec_sum_ref1_hi);
+ sad_neon_64(vec_src_00, vec_src_16, vec_src_32, vec_src_48, ref2,
+ &vec_sum_ref2_lo, &vec_sum_ref2_hi);
+ sad_neon_64(vec_src_00, vec_src_16, vec_src_32, vec_src_48, ref3,
+ &vec_sum_ref3_lo, &vec_sum_ref3_hi);
+
+ src += src_stride;
+ ref0 += ref_stride;
+ ref1 += ref_stride;
+ ref2 += ref_stride;
+ ref3 += ref_stride;
+ }
+
+ res[0] = horizontal_long_add_16x8(vec_sum_ref0_lo, vec_sum_ref0_hi);
+ res[1] = horizontal_long_add_16x8(vec_sum_ref1_lo, vec_sum_ref1_hi);
+ res[2] = horizontal_long_add_16x8(vec_sum_ref2_lo, vec_sum_ref2_hi);
+ res[3] = horizontal_long_add_16x8(vec_sum_ref3_lo, vec_sum_ref3_hi);
+}
+
+void aom_sad32x32x4d_neon(const uint8_t *src, int src_stride,
+ const uint8_t *const ref[4], int ref_stride,
+ uint32_t *res) {
+ int i;
+ uint16x8_t vec_sum_ref0_lo = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref0_hi = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref1_lo = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref1_hi = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref2_lo = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref2_hi = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref3_lo = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref3_hi = vdupq_n_u16(0);
+ const uint8_t *ref0, *ref1, *ref2, *ref3;
+ ref0 = ref[0];
+ ref1 = ref[1];
+ ref2 = ref[2];
+ ref3 = ref[3];
+
+ for (i = 0; i < 32; ++i) {
+ const uint8x16_t vec_src_00 = vld1q_u8(src);
+ const uint8x16_t vec_src_16 = vld1q_u8(src + 16);
+
+ sad_neon_32(vec_src_00, vec_src_16, ref0, &vec_sum_ref0_lo,
+ &vec_sum_ref0_hi);
+ sad_neon_32(vec_src_00, vec_src_16, ref1, &vec_sum_ref1_lo,
+ &vec_sum_ref1_hi);
+ sad_neon_32(vec_src_00, vec_src_16, ref2, &vec_sum_ref2_lo,
+ &vec_sum_ref2_hi);
+ sad_neon_32(vec_src_00, vec_src_16, ref3, &vec_sum_ref3_lo,
+ &vec_sum_ref3_hi);
+
+ src += src_stride;
+ ref0 += ref_stride;
+ ref1 += ref_stride;
+ ref2 += ref_stride;
+ ref3 += ref_stride;
+ }
+
+ res[0] = horizontal_long_add_16x8(vec_sum_ref0_lo, vec_sum_ref0_hi);
+ res[1] = horizontal_long_add_16x8(vec_sum_ref1_lo, vec_sum_ref1_hi);
+ res[2] = horizontal_long_add_16x8(vec_sum_ref2_lo, vec_sum_ref2_hi);
+ res[3] = horizontal_long_add_16x8(vec_sum_ref3_lo, vec_sum_ref3_hi);
+}
+
+void aom_sad16x16x4d_neon(const uint8_t *src, int src_stride,
+ const uint8_t *const ref[4], int ref_stride,
+ uint32_t *res) {
+ int i;
+ uint16x8_t vec_sum_ref0_lo = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref0_hi = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref1_lo = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref1_hi = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref2_lo = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref2_hi = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref3_lo = vdupq_n_u16(0);
+ uint16x8_t vec_sum_ref3_hi = vdupq_n_u16(0);
+ const uint8_t *ref0, *ref1, *ref2, *ref3;
+ ref0 = ref[0];
+ ref1 = ref[1];
+ ref2 = ref[2];
+ ref3 = ref[3];
+
+ for (i = 0; i < 16; ++i) {
+ const uint8x16_t vec_src = vld1q_u8(src);
+ const uint8x16_t vec_ref0 = vld1q_u8(ref0);
+ const uint8x16_t vec_ref1 = vld1q_u8(ref1);
+ const uint8x16_t vec_ref2 = vld1q_u8(ref2);
+ const uint8x16_t vec_ref3 = vld1q_u8(ref3);
+
+ vec_sum_ref0_lo =
+ vabal_u8(vec_sum_ref0_lo, vget_low_u8(vec_src), vget_low_u8(vec_ref0));
+ vec_sum_ref0_hi = vabal_u8(vec_sum_ref0_hi, vget_high_u8(vec_src),
+ vget_high_u8(vec_ref0));
+ vec_sum_ref1_lo =
+ vabal_u8(vec_sum_ref1_lo, vget_low_u8(vec_src), vget_low_u8(vec_ref1));
+ vec_sum_ref1_hi = vabal_u8(vec_sum_ref1_hi, vget_high_u8(vec_src),
+ vget_high_u8(vec_ref1));
+ vec_sum_ref2_lo =
+ vabal_u8(vec_sum_ref2_lo, vget_low_u8(vec_src), vget_low_u8(vec_ref2));
+ vec_sum_ref2_hi = vabal_u8(vec_sum_ref2_hi, vget_high_u8(vec_src),
+ vget_high_u8(vec_ref2));
+ vec_sum_ref3_lo =
+ vabal_u8(vec_sum_ref3_lo, vget_low_u8(vec_src), vget_low_u8(vec_ref3));
+ vec_sum_ref3_hi = vabal_u8(vec_sum_ref3_hi, vget_high_u8(vec_src),
+ vget_high_u8(vec_ref3));
+
+ src += src_stride;
+ ref0 += ref_stride;
+ ref1 += ref_stride;
+ ref2 += ref_stride;
+ ref3 += ref_stride;
+ }
+
+ res[0] = horizontal_long_add_16x8(vec_sum_ref0_lo, vec_sum_ref0_hi);
+ res[1] = horizontal_long_add_16x8(vec_sum_ref1_lo, vec_sum_ref1_hi);
+ res[2] = horizontal_long_add_16x8(vec_sum_ref2_lo, vec_sum_ref2_hi);
+ res[3] = horizontal_long_add_16x8(vec_sum_ref3_lo, vec_sum_ref3_hi);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-11 19:07:50 +0000