aboutsummaryrefslogtreecommitdiff
path: root/gnu/packages/patches
diff options
context:
space:
mode:
authorLudovic Courtès <ludo@gnu.org>2014-09-17 17:17:43 +0200
committerLudovic Courtès <ludo@gnu.org>2014-09-17 17:17:43 +0200
commit6904ecce5fdd25a9564050101f1003a4d75e7bd5 (patch)
tree89ba992264de75e3393d02592e0f474a0e934848 /gnu/packages/patches
parentc041886d920f2361702c412e0e19e55184fbf7b6 (diff)
downloadguix-6904ecce5fdd25a9564050101f1003a4d75e7bd5.tar
guix-6904ecce5fdd25a9564050101f1003a4d75e7bd5.tar.gz
gnu: gcc-4.8.3: Add patch for PR61801.
* gnu/packages/patches/gcc-fix-pr61801.patch: New file. * gnu/packages/gcc.scm (gcc-4.8): Use it. * gnu-system.am (dist_patch_DATA): Add it.
Diffstat (limited to 'gnu/packages/patches')
-rw-r--r--gnu/packages/patches/gcc-fix-pr61801.patch25
1 files changed, 25 insertions, 0 deletions
diff --git a/gnu/packages/patches/gcc-fix-pr61801.patch b/gnu/packages/patches/gcc-fix-pr61801.patch
new file mode 100644
index 0000000000..e9cd92aa1c
--- /dev/null
+++ b/gnu/packages/patches/gcc-fix-pr61801.patch
@@ -0,0 +1,25 @@
+GCC bug fix for <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61801>.
+Initially discussed at
+ <http://lists.gnu.org/archive/html/guix-devel/2014-09/msg00283.html>.
+Patch from <https://gcc.gnu.org/viewcvs/gcc?view=revision&revision=212740>.
+
+2014-07-17 Richard Biener <rguenther@suse.de>
+
+ PR rtl-optimization/61801
+
+ * sched-deps.c (sched_analyze_2): For ASM_OPERANDS and
+ ASM_INPUT don't set reg_pending_barrier if it appears in a
+ debug-insn.
+
+--- gcc-4_8-branch/gcc/sched-deps.c 2014/07/17 07:48:49 212739
++++ gcc-4_8-branch/gcc/sched-deps.c 2014/07/17 07:49:44 212740
+@@ -2744,7 +2744,8 @@
+ Consider for instance a volatile asm that changes the fpu rounding
+ mode. An insn should not be moved across this even if it only uses
+ pseudo-regs because it might give an incorrectly rounded result. */
+- if (code != ASM_OPERANDS || MEM_VOLATILE_P (x))
++ if ((code != ASM_OPERANDS || MEM_VOLATILE_P (x))
++ && !DEBUG_INSN_P (insn))
+ reg_pending_barrier = TRUE_BARRIER;
+
+ /* For all ASM_OPERANDS, we must traverse the vector of input operands.