From: Chung-Ju Wu <jasonwucj@gmail.com>
Date: Tue, 10 Jan 2017 04:23:35 +0000 (+0000)
Subject: re PR target/70668 (nds32-elf toolchain fails to compile on OSX)
X-Git-Tag: releases/gcc-5.5.0~600
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a78b66ccf112b9a9b4ca92b84cd53c506eee2e95;p=thirdparty%2Fgcc.git

re PR target/70668 (nds32-elf toolchain fails to compile on OSX)

Fix PR70668.

	Backport from mainline
	2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>

	PR target/70668
	* config/nds32/nds32.md (casesi): Don't access the operands array
	out of bounds.

From-SVN: r244258
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0b0c098f3324..13ceb88ddce7 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,12 @@
+2017-01-10  Chung-Ju Wu  <jasonwucj@gmail.com>
+
+	Backport from mainline
+	2016-04-28  Segher Boessenkool  <segher@kernel.crashing.org>
+
+	PR target/70668
+	* config/nds32/nds32.md (casesi): Don't access the operands array
+	out of bounds.
+
 2017-01-09  Andreas Tobler  <andreast@gcc.gnu.org>
 
 	Backport from mainline
diff --git a/gcc/config/nds32/nds32.md b/gcc/config/nds32/nds32.md
index 64823a13a47f..4df5c59c27ba 100644
--- a/gcc/config/nds32/nds32.md
+++ b/gcc/config/nds32/nds32.md
@@ -2289,11 +2289,9 @@ create_template:
   emit_jump_insn (gen_cbranchsi4 (test, operands[0], operands[2],
 				  operands[4]));
 
-  operands[5] = gen_reg_rtx (SImode);
-  /* Step C, D, E, and F, using another temporary register operands[5].  */
-  emit_jump_insn (gen_casesi_internal (operands[0],
-				       operands[3],
-				       operands[5]));
+  /* Step C, D, E, and F, using another temporary register.  */
+  rtx tmp = gen_reg_rtx (SImode);
+  emit_jump_insn (gen_casesi_internal (operands[0], operands[3], tmp));
   DONE;
 })