commit bf9c54ae1fc33a65e13e9dc2108ad60d948652f6
author Alex Stark <starka@google.com> Thu Oct 31 14:09:05 2019 -0700
committer TensorFlower Gardener <gardener@tensorflow.org> Thu Oct 31 14:12:26 2019 -0700
tree 3be8f46300dbc38fd6d003becac0567fa18eb824
parent 393717b02fc8638feac262965231889fbbb7045f

Ruy: Fix to x86 AVX2 float pack.

PiperOrigin-RevId: 277797753
Change-Id: I1b30cc4abd1aca0251a00d4d53a84eb3194bf230

tensorflow/lite/experimental/ruy/pack_avx2.cc

diff --git a/tensorflow/lite/experimental/ruy/pack_avx2.cc b/tensorflow/lite/experimental/ruy/pack_avx2.cc
index faea31e..95f39ca 100644
--- a/tensorflow/lite/experimental/ruy/pack_avx2.cc
+++ b/tensorflow/lite/experimental/ruy/pack_avx2.cc
@@ -711,7 +711,7 @@
       r2 = _mm256_permute2f128_ps(t2, t6, 0x20);
       r6 = _mm256_permute2f128_ps(t3, t7, 0x20);
       r3 = _mm256_permute2f128_ps(t2, t6, 0x31);
-      r7 = _mm256_permute2f128_ps(t3, t7, 0x31);
+      // r7 no longer needed.
 
       _mm256_storeu_ps(trailing_buf + 0 * 8, r0);
       _mm256_storeu_ps(trailing_buf + 2 * 8, r4);
@@ -720,7 +720,7 @@
       _mm256_storeu_ps(trailing_buf + 1 * 8, r2);
       _mm256_storeu_ps(trailing_buf + 3 * 8, r6);
       _mm256_storeu_ps(trailing_buf + 5 * 8, r3);
-      _mm256_storeu_ps(trailing_buf + 7 * 8, r7);
+      // No store to (trailing_buf + 7 * 8), space not allocated.
     }
 
     packed_ptr += kPackRows * kPackCols;