Index: source/row_msa.cc |
diff --git a/source/row_msa.cc b/source/row_msa.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..4221a26dc4357a2ad8e08e4a68b97af3f8a2ef42 |
--- /dev/null |
+++ b/source/row_msa.cc |
@@ -0,0 +1,139 @@ |
+/* |
+ * Copyright 2016 The LibYuv Project Authors. All rights reserved. |
+ * |
+ * Use of this source code is governed by a BSD-style license |
+ * that can be found in the LICENSE file in the root of the source |
+ * tree. An additional intellectual property rights grant can be found |
+ * in the file PATENTS. All contributing project authors may |
+ * be found in the AUTHORS file in the root of the source tree. |
+ */ |
+ |
+#include "libyuv/row.h" |
+ |
+#if !defined(LIBYUV_DISABLE_MIPS) && defined(__mips_msa) |
+#include "libyuv/cpu/mips/macros_msa.h" |
+#endif |
+ |
+#ifdef __cplusplus |
+namespace libyuv { |
+extern "C" { |
+#endif |
+ |
+#if !defined(LIBYUV_DISABLE_MIPS) && defined(__mips_msa) |
+void MirrorRow_MSA(const uint8* src, uint8* dst, int width) |
+{ |
fbarchard1
2016/09/14 01:48:05
{ should be on same row as void MirrorRow_MSA()
manojkumar.bhosale
2016/09/14 12:45:30
Done.
|
+ int count; |
+ v16u8 src0, src1, src2, src3, src4, src5, src6, src7; |
+ v16u8 dst0, dst1, dst2, dst3, dst4, dst5, dst6, dst7; |
+ v16i8 mask = { 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 }; |
+ |
+ src += width; |
+ |
+ for (count = 0; count < (width >> 7); count++) |
+ { |
fbarchard1
2016/09/14 01:48:05
{ should be on same line as for ()
manojkumar.bhosale
2016/09/14 12:45:30
Done.
|
+ src -= 128; |
+ LD_UB8(src, 16, src7, src6, src5, src4, src3, src2, src1, src0); |
+ |
+ VSHF_B2_UB(src7, src7, src6, src6, mask, mask, dst7, dst6); |
fbarchard1
2016/09/14 01:48:04
I wouldnt normally unroll this much. 2 or 4 vecto
manojkumar.bhosale
2016/09/14 12:45:30
Done with 4 vectors
|
+ VSHF_B2_UB(src5, src5, src4, src4, mask, mask, dst5, dst4); |
+ VSHF_B2_UB(src3, src3, src2, src2, mask, mask, dst3, dst2); |
+ VSHF_B2_UB(src1, src1, src0, src0, mask, mask, dst1, dst0); |
+ |
+ ST_UB8(dst0, dst1, dst2, dst3, dst4, dst5, dst6, dst7, dst, 16); |
+ dst += 128; |
+ } |
+ |
+ if (width & 0x40) |
fbarchard1
2016/09/14 01:48:04
suggest removing everything from here down to make
manojkumar.bhosale
2016/09/14 12:45:30
Done.
|
+ { |
+ if (width & 0x20) |
+ { |
+ if (width & 0x10) |
+ { |
+ src -= 112; |
+ LD_UB7(src, 16, src6, src5, src4, src3, src2, src1, src0); |
+ |
+ VSHF_B2_UB(src0, src0, src1, src1, mask, mask, dst0, dst1); |
+ VSHF_B2_UB(src2, src2, src3, src3, mask, mask, dst2, dst3); |
+ VSHF_B2_UB(src4, src4, src5, src5, mask, mask, dst4, dst5); |
+ dst6 = (v16u8) __msa_vshf_b(mask, (v16i8) src6, (v16i8) src6); |
+ |
+ ST_UB7(dst0, dst1, dst2, dst3, dst4, dst5, dst6, dst, 16); |
+ dst += 112; |
+ } |
+ else |
+ { |
+ src -= 96; |
+ LD_UB6(src, 16, src5, src4, src3, src2, src1, src0); |
+ |
+ VSHF_B2_UB(src0, src0, src1, src1, mask, mask, dst0, dst1); |
+ VSHF_B2_UB(src2, src2, src3, src3, mask, mask, dst2, dst3); |
+ VSHF_B2_UB(src4, src4, src5, src5, mask, mask, dst4, dst5); |
+ |
+ ST_UB6(dst0, dst1, dst2, dst3, dst4, dst5, dst, 16); |
+ dst += 96; |
+ } |
+ } |
+ else if (width & 0x10) |
+ { |
+ src -= 80; |
+ LD_UB5(src, 16, src4, src3, src2, src1, src0); |
+ |
+ VSHF_B2_UB(src0, src0, src1, src1, mask, mask, dst0, dst1); |
+ VSHF_B2_UB(src2, src2, src3, src3, mask, mask, dst2, dst3); |
+ dst4 = (v16u8) __msa_vshf_b(mask, (v16i8) src4, (v16i8) src4); |
+ |
+ ST_UB5(dst0, dst1, dst2, dst3, dst4, dst, 16); |
+ dst += 80; |
+ } |
+ else |
+ { |
+ src -= 64; |
+ LD_UB4(src, 16, src3, src2, src1, src0); |
+ |
+ VSHF_B2_UB(src0, src0, src1, src1, mask, mask, dst0, dst1); |
+ VSHF_B2_UB(src2, src2, src3, src3, mask, mask, dst2, dst3); |
+ |
+ ST_UB4(dst0, dst1, dst2, dst3, dst, 16); |
+ dst += 64; |
+ } |
+ } |
+ else if (width & 0x20) |
+ { |
+ if (width & 0x10) |
+ { |
+ src -= 48; |
+ LD_UB3(src, 16, src2, src1, src0); |
+ |
+ VSHF_B2_UB(src0, src0, src1, src1, mask, mask, dst0, dst1); |
+ dst2 = (v16u8) __msa_vshf_b(mask, (v16i8) src2, (v16i8) src2); |
+ |
+ ST_UB3(dst0, dst1, dst2, dst, 16); |
+ dst += 48; |
+ } |
+ else |
+ { |
+ src -= 32; |
+ LD_UB2(src, 16, src1, src0); |
+ |
+ VSHF_B2_UB(src0, src0, src1, src1, mask, mask, dst0, dst1); |
+ |
+ ST_UB2(dst0, dst1, dst, 16); |
+ dst += 32; |
+ } |
+ } |
+ else if (width & 0x10) |
+ { |
+ src -= 16; |
+ src0 = LD_UB(src); |
+ |
+ dst0 = (v16u8) __msa_vshf_b(mask, (v16i8) src0, (v16i8) src0); |
+ ST_UB(dst0, dst); |
+ dst += 16; |
+ } |
+} |
+#endif // !defined(LIBYUV_DISABLE_MIPS) && defined(__mips_msa) |
+ |
+#ifdef __cplusplus |
+} // extern "C" |
+} // namespace libyuv |
+#endif |