Code clean of highbd_dc_predictor_4x4

MMX replaced with SSE2, same performance.

Change-Id: Ic57855254e26757191933c948fac6aa047fadafc

test/vp9_intrapred_test.cc

@@ -141,7 +141,7 @@ INSTANTIATE_TEST_CASE_P(SSE2_TO_C_8, VP9IntraPredTest,
                                        &vpx_highbd_tm_predictor_16x16_c, 16, 8),
                             make_tuple(&vpx_highbd_tm_predictor_32x32_sse2,
                                        &vpx_highbd_tm_predictor_32x32_c, 32, 8),
-                            make_tuple(&vpx_highbd_dc_predictor_4x4_sse,
+                            make_tuple(&vpx_highbd_dc_predictor_4x4_sse2,
                                        &vpx_highbd_dc_predictor_4x4_c, 4, 8),
                             make_tuple(&vpx_highbd_dc_predictor_8x8_sse2,
                                        &vpx_highbd_dc_predictor_8x8_c, 8, 8),
@@ -162,7 +162,7 @@ INSTANTIATE_TEST_CASE_P(SSE2_TO_C_8, VP9IntraPredTest,
 #else
 INSTANTIATE_TEST_CASE_P(SSE2_TO_C_8, VP9IntraPredTest,
                         ::testing::Values(
-                            make_tuple(&vpx_highbd_dc_predictor_4x4_sse,
+                            make_tuple(&vpx_highbd_dc_predictor_4x4_sse2,
                                        &vpx_highbd_dc_predictor_4x4_c, 4, 8),
                             make_tuple(&vpx_highbd_dc_predictor_8x8_sse2,
                                        &vpx_highbd_dc_predictor_8x8_c, 8, 8),
@@ -194,7 +194,7 @@ INSTANTIATE_TEST_CASE_P(SSE2_TO_C_10, VP9IntraPredTest,
                             make_tuple(&vpx_highbd_tm_predictor_32x32_sse2,
                                        &vpx_highbd_tm_predictor_32x32_c, 32,
                                        10),
-                            make_tuple(&vpx_highbd_dc_predictor_4x4_sse,
+                            make_tuple(&vpx_highbd_dc_predictor_4x4_sse2,
                                        &vpx_highbd_dc_predictor_4x4_c, 4, 10),
                             make_tuple(&vpx_highbd_dc_predictor_8x8_sse2,
                                        &vpx_highbd_dc_predictor_8x8_c, 8, 10),
@@ -218,7 +218,7 @@ INSTANTIATE_TEST_CASE_P(SSE2_TO_C_10, VP9IntraPredTest,
 #else
 INSTANTIATE_TEST_CASE_P(SSE2_TO_C_10, VP9IntraPredTest,
                         ::testing::Values(
-                            make_tuple(&vpx_highbd_dc_predictor_4x4_sse,
+                            make_tuple(&vpx_highbd_dc_predictor_4x4_sse2,
                                        &vpx_highbd_dc_predictor_4x4_c, 4, 10),
                             make_tuple(&vpx_highbd_dc_predictor_8x8_sse2,
                                        &vpx_highbd_dc_predictor_8x8_c, 8, 10),
@@ -251,7 +251,7 @@ INSTANTIATE_TEST_CASE_P(SSE2_TO_C_12, VP9IntraPredTest,
                             make_tuple(&vpx_highbd_tm_predictor_32x32_sse2,
                                        &vpx_highbd_tm_predictor_32x32_c, 32,
                                        12),
-                            make_tuple(&vpx_highbd_dc_predictor_4x4_sse,
+                            make_tuple(&vpx_highbd_dc_predictor_4x4_sse2,
                                        &vpx_highbd_dc_predictor_4x4_c, 4, 12),
                             make_tuple(&vpx_highbd_dc_predictor_8x8_sse2,
                                        &vpx_highbd_dc_predictor_8x8_c, 8, 12),
@@ -275,7 +275,7 @@ INSTANTIATE_TEST_CASE_P(SSE2_TO_C_12, VP9IntraPredTest,
 #else
 INSTANTIATE_TEST_CASE_P(SSE2_TO_C_12, VP9IntraPredTest,
                         ::testing::Values(
-                            make_tuple(&vpx_highbd_dc_predictor_4x4_sse,
+                            make_tuple(&vpx_highbd_dc_predictor_4x4_sse2,
                                        &vpx_highbd_dc_predictor_4x4_c, 4, 12),
                             make_tuple(&vpx_highbd_dc_predictor_8x8_sse2,
                                        &vpx_highbd_dc_predictor_8x8_c, 8, 12),

vpx_dsp/vpx_dsp_rtcd_defs.pl

@@ -294,7 +294,7 @@ if (vpx_config("CONFIG_VP9_HIGHBITDEPTH") eq "yes") {
   specialize qw/vpx_highbd_tm_predictor_4x4/, "$sse_x86inc";
 
   add_proto qw/void vpx_highbd_dc_predictor_4x4/, "uint16_t *dst, ptrdiff_t y_stride, const uint16_t *above, const uint16_t *left, int bd";
-  specialize qw/vpx_highbd_dc_predictor_4x4/, "$sse_x86inc";
+  specialize qw/vpx_highbd_dc_predictor_4x4/, "$sse2_x86inc";
 
   add_proto qw/void vpx_highbd_dc_top_predictor_4x4/, "uint16_t *dst, ptrdiff_t y_stride, const uint16_t *above, const uint16_t *left, int bd";
   specialize qw/vpx_highbd_dc_top_predictor_4x4/;

vpx_dsp/x86/highbd_intrapred_sse2.asm

@@ -17,24 +17,20 @@ pw_16: times 4 dd 16
 pw_32: times 4 dd 32
 
 SECTION .text
-INIT_MMX sse
+INIT_XMM sse2
 cglobal highbd_dc_predictor_4x4, 4, 5, 4, dst, stride, above, left, goffset
   GET_GOT     goffsetq
 
   movq                  m0, [aboveq]
   movq                  m2, [leftq]
-  DEFINE_ARGS dst, stride, one
-  mov                 oned, 0x0001
-  pxor                  m1, m1
-  movd                  m3, oned
-  pshufw                m3, m3, 0x0
   paddw                 m0, m2
-  pmaddwd               m0, m3
-  packssdw              m0, m1
-  pmaddwd               m0, m3
+  pshuflw               m1, m0, 0xe
+  paddw                 m0, m1
+  pshuflw               m1, m0, 0x1
+  paddw                 m0, m1
   paddw                 m0, [GLOBAL(pw_4)]
   psraw                 m0, 3
-  pshufw                m0, m0, 0x0
+  pshuflw               m0, m0, 0x0
   movq    [dstq          ], m0
   movq    [dstq+strideq*2], m0
   lea                 dstq, [dstq+strideq*4]