arm.c (thumb1_reorg): When scanning backwards skip anything that's not a proper insn.

* arm.c (thumb1_reorg): When scanning backwards skip anything that's not a proper insn. From-SVN: r210618

arm.c (thumb1_reorg): When scanning backwards skip anything that's not a proper insn.
* arm.c (thumb1_reorg): When scanning backwards skip anything that's not a proper insn. From-SVN: r210618
514b3156 · Richard Earnshaw · Richard Earnshaw · 68038e6a · 514b3156 · 514b3156
Commit 514b3156 authored May 19, 2014 by Richard Earnshaw Committed by Richard Earnshaw May 19, 2014
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gcc/ChangeLog
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gcc/config/arm/arm.c
+1 -1

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--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
+2014-05-19  Richard Earnshaw  <rearnsha@arm.com>
+
+	* arm.c (thumb1_reorg): When scanning backwards skip anything
+	that's not a proper insn.
+
 2014-05-19  Richard Biener  <rguenther@suse.de>

 	PR tree-optimization/61221

--- a/gcc/config/arm/arm.c
+++ b/gcc/config/arm/arm.c
@@ -16935,7 +16935,7 @@ thumb1_reorg (void)
      rtx prev, insn = BB_END (bb);
      bool insn_clobbered = false;

-      while (insn != BB_HEAD (bb) && DEBUG_INSN_P (insn))
+      while (insn != BB_HEAD (bb) && !NONDEBUG_INSN_P (insn))
 	insn = PREV_INSN (insn);

      /* Find the last cbranchsi4_insn in basic block BB.  */