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package/gcc: 4.9.x: backport a fix for libcap-ng issue on nios2

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The patch is part of gcc 5.3 release.

Fixes:
http://autobuild.buildroot.net/results/901/90186d1fe134b804c0101554296b1235dc0ccbb0

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Cc: Sergio Prado <sergio.prado@e-labworks.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Romain Naour 2016-03-05 12:31:36 +01:00 committed by Thomas Petazzoni
parent e3c3b8d1f0
commit 4d71397f0a
1 changed files with 49 additions and 0 deletions
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49
package/gcc/4.9.3/880-nios2_legitimize_address.patch Normal file
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@ -0,0 +1,49 @@
From b0ea54f3f995754881e0ea6651133aa7b58eeaa2 Mon Sep 17 00:00:00 2001
From: cltang <cltang@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Tue, 22 Sep 2015 12:23:20 +0000
Subject: [PATCH] nios2_legitimize_address 2015-09-22 Chung-Lin Tang
<cltang@codesourcery.com>
Backport from mainline
2015-09-22 Chung-Lin Tang <cltang@codesourcery.com>
* config/nios2/nios2.c (nios2_legitimize_address): When handling
'reg + reloc' cases, allow first operand to be non-REG, and use
force_reg() to enforce address pattern.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-5-branch@228013 138bc75d-0d04-0410-961f-82ee72b054a4
Fixes:
http://autobuild.buildroot.net/results/901/90186d1fe134b804c0101554296b1235dc0ccbb0
[backported to 4.9.3]
Signed-off-by: Romain Naour <romain.naour@gmail.com>
---
gcc/config/nios2/nios2.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/gcc/config/nios2/nios2.c b/gcc/config/nios2/nios2.c
index 047b615..41dd6f9 100644
--- a/gcc/config/nios2/nios2.c
+++ b/gcc/config/nios2/nios2.c
@@ -1786,15 +1786,15 @@ nios2_legitimize_address (rtx x, rtx oldx ATTRIBUTE_UNUSED,
Which will be output as '%tls_le(var+48)(r23)' in assembly. */
if (GET_CODE (x) == PLUS
- && GET_CODE (XEXP (x, 0)) == REG
&& GET_CODE (XEXP (x, 1)) == CONST)
{
- rtx unspec, offset, reg = XEXP (x, 0);
+ rtx unspec, offset;
split_const (XEXP (x, 1), &unspec, &offset);
if (GET_CODE (unspec) == UNSPEC
&& !nios2_large_offset_p (XINT (unspec, 1))
&& offset != const0_rtx)
{
+ rtx reg = force_reg (Pmode, XEXP (x, 0));
unspec = copy_rtx (unspec);
XVECEXP (unspec, 0, 0)
= plus_constant (Pmode, XVECEXP (unspec, 0, 0), INTVAL (offset));
--
2.5.0