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Merge "Reduce num of buffer swap calls in idct8_1d_sse2"

--- a/vp9/common/x86/vp9_idct_intrin_sse2.c

+++ b/vp9/common/x86/vp9_idct_intrin_sse2.c

@@ -692,18 +692,9 @@

   __m128i stp2_0, stp2_1, stp2_2, stp2_3, stp2_4, stp2_5, stp2_6, stp2_7;

   __m128i tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7;

-  in0 = in[0];

-  in1 = in[1];

-  in2 = in[2];

-  in3 = in[3];

-  in4 = in[4];

-  in5 = in[5];

-  in6 = in[6];

-  in7 = in[7];

-

   // 8x8 Transpose is copied from vp9_fdct8x8_sse2()

-  TRANSPOSE_8X8(in0, in1, in2, in3, in4, in5, in6, in7, in0, in1, in2, in3,

-                in4, in5, in6, in7);

+  TRANSPOSE_8X8(in[0], in[1], in[2], in[3], in[4], in[5], in[6], in[7],

+                in0, in1, in2, in3, in4, in5, in6, in7);

   // 4-stage 1D idct8x8

   IDCT8_1D