openwrt/toolchain/gcc/patches/4.6.3/000-gcc-bug-54369.patch

45 lines
1.3 KiB
Diff

Author: ebotcazou
Date: Sun Sep 2 10:37:49 2012
New Revision: 190860
URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=190860
Log:
PR rtl-optimization/54369
* config/mips/mips.c (mips_reorg): Invoke cleanup_barriers before
calling dbr_schedule.
* config/sparc/sparc.c (sparc_reorg): Likewise.
Modified:
branches/gcc-4_6-branch/gcc/ChangeLog
branches/gcc-4_6-branch/gcc/config/mips/mips.c
branches/gcc-4_6-branch/gcc/config/sparc/sparc.c
---
--- a/gcc/config/mips/mips.c
+++ b/gcc/config/mips/mips.c
@@ -15083,7 +15083,10 @@ mips_reorg (void)
}
if (optimize > 0 && flag_delayed_branch)
- dbr_schedule (get_insns ());
+ {
+ cleanup_barriers ();
+ dbr_schedule (get_insns ());
+ }
mips_reorg_process_insns ();
if (!TARGET_MIPS16
&& TARGET_EXPLICIT_RELOCS
--- a/gcc/config/sparc/sparc.c
+++ b/gcc/config/sparc/sparc.c
@@ -9452,7 +9452,10 @@ sparc_reorg (void)
/* We need to have the (essentially) final form of the insn stream in order
to properly detect the various hazards. Run delay slot scheduling. */
if (optimize > 0 && flag_delayed_branch)
- dbr_schedule (get_insns ());
+ {
+ cleanup_barriers ();
+ dbr_schedule (get_insns ());
+ }
/* Now look for specific patterns in the insn stream. */
for (insn = get_insns (); insn; insn = next)