From: Segher Boessenkool <segher@kernel.crashing.org>
Date: Fri, 24 Feb 2017 22:32:46 +0000 (+0100)
Subject: c6x: Fix for RTL checking
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=015122d8c438b83cb069a6f42fae066cfb4749da;p=gcc.git

c6x: Fix for RTL checking


	* config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.

From-SVN: r245721
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d8766e27727..12d4a720354 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
+
+	* config/c6x/c6x.c (predicate_insn): Do not incorrectly share RTL.
+
 2017-02-24  Segher Boessenkool  <segher@kernel.crashing.org>
 
 	* config/arc/arc.c (arc_ccfsm_advance): Only take the PATTERN of
diff --git a/gcc/config/c6x/c6x.c b/gcc/config/c6x/c6x.c
index f841266e369..c54d4d18a58 100644
--- a/gcc/config/c6x/c6x.c
+++ b/gcc/config/c6x/c6x.c
@@ -3799,6 +3799,7 @@ predicate_insn (rtx_insn *insn, rtx cond, bool doit)
     {
       if (doit)
 	{
+	  cond = copy_rtx (cond);
 	  rtx newpat = gen_rtx_COND_EXEC (VOIDmode, cond, PATTERN (insn));
 	  PATTERN (insn) = newpat;
 	  INSN_CODE (insn) = -1;