shithub: libvpx

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ref: 1eb8a718bfe08dd6e6ffdfff2e4613c4b0d4d7d6
parent: 2dac808dd17b866eea3a9dc5e49d5bcd2d36e508
author: Johann <johannkoenig@google.com>
date: Mon Jan 30 11:16:27 EST 2017

hadamard highbd neon: use tran_low_t for coeff

BUG=webm:1365

Change-Id: I7e15192ead3a3631755b386f102c979f06e26279

--- a/test/hadamard_test.cc
+++ b/test/hadamard_test.cc
@@ -157,6 +157,7 @@
 INSTANTIATE_TEST_CASE_P(SSSE3, Hadamard8x8Test,
                         ::testing::Values(&vpx_hadamard_8x8_ssse3));
 #endif  // HAVE_SSSE3 && ARCH_X86_64
+#endif  // !CONFIG_VP9_HIGHBITDEPTH
 
 #if HAVE_NEON
 INSTANTIATE_TEST_CASE_P(NEON, Hadamard8x8Test,
@@ -163,6 +164,7 @@
                         ::testing::Values(&vpx_hadamard_8x8_neon));
 #endif  // HAVE_NEON
 
+#if !CONFIG_VP9_HIGHBITDEPTH
 #if HAVE_MSA
 INSTANTIATE_TEST_CASE_P(MSA, Hadamard8x8Test,
                         ::testing::Values(&vpx_hadamard_8x8_msa));
@@ -220,12 +222,12 @@
                         ::testing::Values(&vpx_hadamard_16x16_sse2));
 #endif  // HAVE_SSE2
 
-#if !CONFIG_VP9_HIGHBITDEPTH
 #if HAVE_NEON
 INSTANTIATE_TEST_CASE_P(NEON, Hadamard16x16Test,
                         ::testing::Values(&vpx_hadamard_16x16_neon));
 #endif  // HAVE_NEON
 
+#if !CONFIG_VP9_HIGHBITDEPTH
 #if HAVE_MSA
 INSTANTIATE_TEST_CASE_P(MSA, Hadamard16x16Test,
                         ::testing::Values(&vpx_hadamard_16x16_msa));
--- a/vpx_dsp/arm/hadamard_neon.c
+++ b/vpx_dsp/arm/hadamard_neon.c
@@ -11,6 +11,8 @@
 #include <arm_neon.h>
 
 #include "./vpx_dsp_rtcd.h"
+#include "vpx/vpx_integer.h"
+#include "vpx_dsp/arm/idct_neon.h"
 #include "vpx_dsp/arm/transpose_neon.h"
 
 static void hadamard8x8_one_pass(int16x8_t *a0, int16x8_t *a1, int16x8_t *a2,
@@ -45,7 +47,7 @@
 }
 
 void vpx_hadamard_8x8_neon(const int16_t *src_diff, int src_stride,
-                           int16_t *coeff) {
+                           tran_low_t *coeff) {
   int16x8_t a0 = vld1q_s16(src_diff);
   int16x8_t a1 = vld1q_s16(src_diff + src_stride);
   int16x8_t a2 = vld1q_s16(src_diff + 2 * src_stride);
@@ -63,18 +65,18 @@
 
   // Skip the second transpose because it is not required.
 
-  vst1q_s16(coeff + 0, a0);
-  vst1q_s16(coeff + 8, a1);
-  vst1q_s16(coeff + 16, a2);
-  vst1q_s16(coeff + 24, a3);
-  vst1q_s16(coeff + 32, a4);
-  vst1q_s16(coeff + 40, a5);
-  vst1q_s16(coeff + 48, a6);
-  vst1q_s16(coeff + 56, a7);
+  store_s16q_to_tran_low(coeff + 0, a0);
+  store_s16q_to_tran_low(coeff + 8, a1);
+  store_s16q_to_tran_low(coeff + 16, a2);
+  store_s16q_to_tran_low(coeff + 24, a3);
+  store_s16q_to_tran_low(coeff + 32, a4);
+  store_s16q_to_tran_low(coeff + 40, a5);
+  store_s16q_to_tran_low(coeff + 48, a6);
+  store_s16q_to_tran_low(coeff + 56, a7);
 }
 
 void vpx_hadamard_16x16_neon(const int16_t *src_diff, int src_stride,
-                             int16_t *coeff) {
+                             tran_low_t *coeff) {
   int i;
 
   /* Rearrange 16x16 to 8x32 and remove stride.
@@ -88,10 +90,10 @@
   vpx_hadamard_8x8_neon(src_diff + 8 + 8 * src_stride, src_stride, coeff + 192);
 
   for (i = 0; i < 64; i += 8) {
-    const int16x8_t a0 = vld1q_s16(coeff + 0);
-    const int16x8_t a1 = vld1q_s16(coeff + 64);
-    const int16x8_t a2 = vld1q_s16(coeff + 128);
-    const int16x8_t a3 = vld1q_s16(coeff + 192);
+    const int16x8_t a0 = load_tran_low_to_s16q(coeff + 0);
+    const int16x8_t a1 = load_tran_low_to_s16q(coeff + 64);
+    const int16x8_t a2 = load_tran_low_to_s16q(coeff + 128);
+    const int16x8_t a3 = load_tran_low_to_s16q(coeff + 192);
 
     const int16x8_t b0 = vhaddq_s16(a0, a1);
     const int16x8_t b1 = vhsubq_s16(a0, a1);
@@ -103,10 +105,10 @@
     const int16x8_t c2 = vsubq_s16(b0, b2);
     const int16x8_t c3 = vsubq_s16(b1, b3);
 
-    vst1q_s16(coeff + 0, c0);
-    vst1q_s16(coeff + 64, c1);
-    vst1q_s16(coeff + 128, c2);
-    vst1q_s16(coeff + 192, c3);
+    store_s16q_to_tran_low(coeff + 0, c0);
+    store_s16q_to_tran_low(coeff + 64, c1);
+    store_s16q_to_tran_low(coeff + 128, c2);
+    store_s16q_to_tran_low(coeff + 192, c3);
 
     coeff += 8;
   }
--- a/vpx_dsp/arm/idct_neon.h
+++ b/vpx_dsp/arm/idct_neon.h
@@ -76,6 +76,17 @@
 #endif
 }
 
+static INLINE void store_s16q_to_tran_low(tran_low_t *buf, const int16x8_t a) {
+#if CONFIG_VP9_HIGHBITDEPTH
+  const int32x4_t v0 = vmovl_s16(vget_low_s16(a));
+  const int32x4_t v1 = vmovl_s16(vget_high_s16(a));
+  vst1q_s32(buf, v0);
+  vst1q_s32(buf + 4, v1);
+#else
+  vst1q_s16(buf, a);
+#endif
+}
+
 //------------------------------------------------------------------------------
 
 // Multiply a by a_const. Saturate, shift and narrow by 14.
--- a/vpx_dsp/vpx_dsp_rtcd_defs.pl
+++ b/vpx_dsp/vpx_dsp_rtcd_defs.pl
@@ -888,10 +888,10 @@
 
   if (vpx_config("CONFIG_VP9_HIGHBITDEPTH") eq "yes") {
     add_proto qw/void vpx_hadamard_8x8/, "const int16_t *src_diff, int src_stride, tran_low_t *coeff";
-    specialize qw/vpx_hadamard_8x8 sse2/;
+    specialize qw/vpx_hadamard_8x8 sse2 neon/;
 
     add_proto qw/void vpx_hadamard_16x16/, "const int16_t *src_diff, int src_stride, tran_low_t *coeff";
-    specialize qw/vpx_hadamard_16x16 sse2/;
+    specialize qw/vpx_hadamard_16x16 sse2 neon/;
 
     add_proto qw/int vpx_satd/, "const tran_low_t *coeff, int length";
     specialize qw/vpx_satd/;