[yocto] [meta-tensorflow][PATCH 10/13] tensorflow: fix gcc internal compile error on qemuarm64

[Hongxu Jia]

Signed-off-by: Hongxu Jia <hongxu.jia at windriver.com>
---
 ...x-gcc-internal-compile-error-on-qemuarm64.patch | 64 ++++++++++++++++++++++
 recipes-framework/tensorflow/tensorflow_1.13.0.bb  |  1 +
 2 files changed, 65 insertions(+)
 create mode 100644 recipes-framework/tensorflow/files/0001-fix-gcc-internal-compile-error-on-qemuarm64.patch

diff --git a/recipes-framework/tensorflow/files/0001-fix-gcc-internal-compile-error-on-qemuarm64.patch b/recipes-framework/tensorflow/files/0001-fix-gcc-internal-compile-error-on-qemuarm64.patch
new file mode 100644
index 0000000..aca3de4
--- /dev/null
+++ b/recipes-framework/tensorflow/files/0001-fix-gcc-internal-compile-error-on-qemuarm64.patch
@@ -0,0 +1,64 @@
+From e9871369eee1d98652eaf1c7dcc6adaf72733f55 Mon Sep 17 00:00:00 2001
+From: Hongxu Jia <hongxu.jia at windriver.com>
+Date: Wed, 13 Feb 2019 20:58:17 -0500
+Subject: [PATCH] fix gcc internal compile error on qemuarm64
+
+Backport a fix from eigen upstream to fix the error.
+
+Upstream-Status: Inappropriate [oe specific]
+Signed-off-by: Hongxu Jia <hongxu.jia at windriver.com>
+---
+ tensorflow/workspace.bzl                           |  1 +
+ ...ling-workaround-on-architectures-with-SSE.patch | 28 ++++++++++++++++++++++
+ 2 files changed, 29 insertions(+)
+ create mode 100644 third_party/0001-enable-spilling-workaround-on-architectures-with-SSE.patch
+
+diff --git a/tensorflow/workspace.bzl b/tensorflow/workspace.bzl
+index 12c6fab..aa49190 100755
+--- a/tensorflow/workspace.bzl
++++ b/tensorflow/workspace.bzl
+@@ -144,6 +144,7 @@ def tf_workspace(path_prefix = "", tf_repo_name = ""):
+     tf_http_archive(
+         name = "eigen_archive",
+         build_file = clean_dep("//third_party:eigen.BUILD"),
++        patch_file = clean_dep("//third_party:0001-enable-spilling-workaround-on-architectures-with-SSE.patch"),
+         sha256 = "753fbb58d0a49b6bcbcfb126ebfa2e21fc97f7471529ba835a096008ce588d8a",
+         strip_prefix = "eigen-eigen-9f48e814419e",
+         urls = [
+diff --git a/third_party/0001-enable-spilling-workaround-on-architectures-with-SSE.patch b/third_party/0001-enable-spilling-workaround-on-architectures-with-SSE.patch
+new file mode 100644
+index 0000000..e3848bd
+--- /dev/null
++++ b/third_party/0001-enable-spilling-workaround-on-architectures-with-SSE.patch
+@@ -0,0 +1,28 @@
++From c1b4d0195674d4196683d4988d774e74e3cc291a Mon Sep 17 00:00:00 2001
++From: Gael Guennebaud <g.gael at free.fr>
++Date: Mon, 10 Dec 2018 23:22:44 +0100
++Subject: [PATCH] enable spilling workaround on architectures with SSE/AVX
++
++Upstream-Status: Backport [https://github.com/eigenteam/eigen-git-mirror.git]
++Signed-off-by: Hongxu Jia <hongxu.jia at windriver.com>
++
++---
++ Eigen/src/Core/products/GeneralBlockPanelKernel.h | 2 +-
++ 1 file changed, 1 insertion(+), 1 deletion(-)
++
++diff --git a/Eigen/src/Core/products/GeneralBlockPanelKernel.h b/Eigen/src/Core/products/GeneralBlockPanelKernel.h
++index 61521e2..b1e98b6 100644
++--- a/Eigen/src/Core/products/GeneralBlockPanelKernel.h
+++++ b/Eigen/src/Core/products/GeneralBlockPanelKernel.h
++@@ -1391,7 +1391,7 @@ void gebp_kernel<LhsScalar,RhsScalar,Index,DataMapper,mr,nr,ConjugateLhs,Conjuga
++ 
++           // NOTE: the begin/end asm comments below work around bug 935!
++           // but they are not enough for gcc>=6 without FMA (bug 1637)
++-          #if EIGEN_GNUC_AT_LEAST(6,0)
+++          #if EIGEN_GNUC_AT_LEAST(6,0) && defined(EIGEN_VECTORIZE_SSE)
++             #define EIGEN_GEBP_2PX4_SPILLING_WORKAROUND __asm__  ("" : [a0] "+rm" (A0),[a1] "+rm" (A1));
++           #else
++             #define EIGEN_GEBP_2PX4_SPILLING_WORKAROUND
++-- 
++2.8.1
++
+-- 
+2.8.1
+
diff --git a/recipes-framework/tensorflow/tensorflow_1.13.0.bb b/recipes-framework/tensorflow/tensorflow_1.13.0.bb
index 33649ea..9e493dc 100644
--- a/recipes-framework/tensorflow/tensorflow_1.13.0.bb
+++ b/recipes-framework/tensorflow/tensorflow_1.13.0.bb
@@ -6,6 +6,7 @@ DEPENDS = "bazel-native protobuf-native util-linux-native protobuf"
 SRCREV = "c8875cbb1341f6ca14dd0ec908f1dde7d67f7808"
 SRC_URI = "git://github.com/tensorflow/tensorflow.git;branch=r1.13 \
            file://0001-add-yocto-toolchain-to-support-cross-compiling.patch \
+           file://0001-fix-gcc-internal-compile-error-on-qemuarm64.patch \
            file://0001-SyntaxError-around-async-keyword-on-Python-3.7.patch \
            file://BUILD \
            file://BUILD.yocto_compiler \
-- 
2.8.1