ref: ec8a3272fae86e9412a2f9d31a119681d1b209d4
parent: eb8a348672b7e9d4b1bbaeca1d8364238ea6ad0d
parent: b5422fab4683f92b22634863ca8cc6adfd0b145c
author: Alex Converse <aconverse@google.com>
date: Fri May 9 09:48:49 EDT 2014
Merge "Add an x86inc MMX fwht4x4."
--- a/test/fdct4x4_test.cc
+++ b/test/fdct4x4_test.cc
@@ -353,6 +353,13 @@
make_tuple(&vp9_fht4x4_c, &vp9_iht4x4_16_add_neon, 3)));
#endif
+#if CONFIG_USE_X86INC && HAVE_MMX
+INSTANTIATE_TEST_CASE_P(
+ MMX, Trans4x4WHT,
+ ::testing::Values(
+ make_tuple(&vp9_fwht4x4_mmx, &vp9_iwht4x4_16_add_c, 0)));
+#endif
+
#if HAVE_SSE2
INSTANTIATE_TEST_CASE_P(
SSE2, Trans4x4DCT,
--- a/vp9/common/vp9_rtcd_defs.pl
+++ b/vp9/common/vp9_rtcd_defs.pl
@@ -693,7 +693,7 @@
specialize qw/vp9_fht16x16 sse2 avx2/;
add_proto qw/void vp9_fwht4x4/, "const int16_t *input, int16_t *output, int stride";
-specialize qw/vp9_fwht4x4/;
+specialize qw/vp9_fwht4x4/, "$mmx_x86inc";
add_proto qw/void vp9_fdct4x4/, "const int16_t *input, int16_t *output, int stride";
specialize qw/vp9_fdct4x4 sse2 avx2/;
--- /dev/null
+++ b/vp9/encoder/x86/vp9_dct_mmx.asm
@@ -1,0 +1,70 @@
+;
+; Copyright (c) 2014 The WebM project authors. All Rights Reserved.
+;
+; Use of this source code is governed by a BSD-style license
+; that can be found in the LICENSE file in the root of the source
+; tree. An additional intellectual property rights grant can be found
+; in the file PATENTS. All contributing project authors may
+; be found in the AUTHORS file in the root of the source tree.
+;
+%include "third_party/x86inc/x86inc.asm"
+
+SECTION .text
+
+%macro TRANSFORM_COLS 0
+ paddw m0, m1
+ movq m4, m0
+ psubw m3, m2
+ psubw m4, m3
+ psraw m4, 1
+ movq m5, m4
+ psubw m5, m1 ;b1
+ psubw m4, m2 ;c1
+ psubw m0, m4
+ paddw m3, m5
+ ; m0 a0
+ SWAP 1, 4 ; m1 c1
+ SWAP 2, 3 ; m2 d1
+ SWAP 3, 5 ; m3 b1
+%endmacro
+
+%macro TRANSPOSE_4X4 0
+ movq m4, m0
+ movq m5, m2
+ punpcklwd m4, m1
+ punpckhwd m0, m1
+ punpcklwd m5, m3
+ punpckhwd m2, m3
+ movq m1, m4
+ movq m3, m0
+ punpckldq m1, m5
+ punpckhdq m4, m5
+ punpckldq m3, m2
+ punpckhdq m0, m2
+ SWAP 2, 3, 0, 1, 4
+%endmacro
+
+INIT_MMX mmx
+cglobal fwht4x4, 3, 4, 8, input, output, stride
+ lea r3q, [inputq + strideq*4]
+ movq m0, [inputq] ;a1
+ movq m1, [inputq + strideq*2] ;b1
+ movq m2, [r3q] ;c1
+ movq m3, [r3q + strideq*2] ;d1
+
+ TRANSFORM_COLS
+ TRANSPOSE_4X4
+ TRANSFORM_COLS
+ TRANSPOSE_4X4
+
+ psllw m0, 2
+ psllw m1, 2
+ psllw m2, 2
+ psllw m3, 2
+
+ movq [outputq], m0
+ movq [outputq + 8], m1
+ movq [outputq + 16], m2
+ movq [outputq + 24], m3
+
+ RET
--- a/vp9/vp9cx.mk
+++ b/vp9/vp9cx.mk
@@ -101,6 +101,7 @@
VP9_CX_SRCS-$(HAVE_SSE3) += encoder/x86/vp9_sad_sse3.asm
ifeq ($(CONFIG_USE_X86INC),yes)
+VP9_CX_SRCS-$(HAVE_MMX) += encoder/x86/vp9_dct_mmx.asm
VP9_CX_SRCS-$(HAVE_SSE2) += encoder/x86/vp9_error_sse2.asm
VP9_CX_SRCS-$(HAVE_SSE2) += encoder/x86/vp9_sad_sse2.asm
VP9_CX_SRCS-$(HAVE_SSE2) += encoder/x86/vp9_subtract_sse2.asm