From: Michael McConville <mmcco@mykolab.com>
Date: Mon, 1 Feb 2016 10:41:32 +0000 (+0000)
Subject: Fix undefined compilation behaviour shifting a value into the sign bit of a signed... 
X-Git-Tag: gdb-7.11-release~117
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d8c823c8b62b4f0fc4747eb9e4e29739add34c17;p=platform%2Fupstream%2Fbinutils.git

Fix undefined compilation behaviour shifting a value into the sign bit of a signed integer.

	* cgen-dis.c (count_decodable_bits): Use unsigned value for mask
	test bit.
---

diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 130a4a7..505b5e7 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,8 @@
+2016-02-01  Michael McConville  <mmcco@mykolab.com>
+
+	* cgen-dis.c (count_decodable_bits): Use unsigned value for mask
+	test bit.
+
 2016-01-25  Renlin Li  <renlin.li@arm.com>
 
 	* arm-dis.c (mapping_symbol_for_insn): New function.
diff --git a/opcodes/cgen-dis.c b/opcodes/cgen-dis.c
index f9f7fb2..2d0f701 100644
--- a/opcodes/cgen-dis.c
+++ b/opcodes/cgen-dis.c
@@ -40,7 +40,8 @@ count_decodable_bits (const CGEN_INSN *insn)
 {
   unsigned mask = CGEN_INSN_BASE_MASK (insn);
   int bits = 0;
-  int m;
+  unsigned m;
+
   for (m = 1; m != 0; m <<= 1)
     {
       if (mask & m)