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gcc-7.3: Fix build on ppc64le hosts

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When building on ppc64le hosts that have GCC 8 (such as Ubuntu 18.10)
the GCC build bootstrap fails.

 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86162

This is a fix that was applied to the upstream GCC 7 branch.

Change-Id: I7796d2a999ec420805dd1c6cf0a1ecba1de5a897
(From OE-Core rev: c17f5e7e954487ad3e97e26c3e0d31443d658d5a)

(From OE-Core rev: 7d1ab4088f67f267b0c5a8ce9913feeedc3a7d7d)

Signed-off-by: Joel Stanley <joel@jms.id.au>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Joel Stanley
2018-07-30 14:40:28 +09:30
committed by Richard Purdie
parent 50fe2fd0e9
commit d2ad05e0b1
2 changed files with 38 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
meta/recipes-devtools/gcc/gcc-7.3.inc
View File

@@ -79,6 +79,7 @@ SRC_URI = "\
BACKPORTS = "\
file://0001-Fix-internal-compiler-error-in-testcase.patch \
file://0001-PR-rtl-optimization-83030.patch \
file://0001-Fix-ppc64le-build-Partial-backport-r256656.patch \
"
SRC_URI[md5sum] = "be2da21680f27624f3a87055c4ba5af2"

37
meta/recipes-devtools/gcc/gcc-7.3/0001-Fix-ppc64le-build-Partial-backport-r256656.patch Normal file
View File

@@ -0,0 +1,37 @@
From aa65a43516da1d48011ef621ed5988289711d99b Mon Sep 17 00:00:00 2001
From: marxin <marxin@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Fri, 29 Jun 2018 09:31:30 +0000
Subject: [PATCH] Partial backport r256656
2018-06-29 Martin Liska <mliska@suse.cz>
Backport from mainline
2018-01-10 Kelvin Nilsen <kelvin@gcc.gnu.org>
* lex.c (search_line_fast): Remove illegal coercion of an
unaligned pointer value to vector pointer type and replace with
use of __builtin_vec_vsx_ld () built-in function, which operates
on unaligned pointer values.
Upstream-Status: Backport
Signed-off-by: Joel Stanley <joel@jms.id.au>
---
libcpp/lex.c | 2 +-
1 files changed, 1 insertions(+), 1 deletion(-)
diff --git a/libcpp/lex.c b/libcpp/lex.c
index 097c78002cbb..e0fb9e822c44 100644
--- a/libcpp/lex.c
+++ b/libcpp/lex.c
@@ -568,7 +568,7 @@ search_line_fast (const uchar *s, const uchar *end ATTRIBUTE_UNUSED)
{
vc m_nl, m_cr, m_bs, m_qm;
- data = *((const vc *)s);
+ data = __builtin_vec_vsx_ld (0, s);
s += 16;
m_nl = (vc) __builtin_vec_cmpeq(data, repl_nl);
--
2.17.1