ubsan: cr16: left shift cannot be represented in type 'int'
Alan Modra
amodra@gmail.com
Sat Jan 4 08:52:00 GMT 2020
* cr16-dis.c (cr16_match_opcode): Avoid shift left of signed value.
diff --git a/opcodes/cr16-dis.c b/opcodes/cr16-dis.c
index c40a07e250..1be67b2118 100644
--- a/opcodes/cr16-dis.c
+++ b/opcodes/cr16-dis.c
@@ -319,8 +319,7 @@ cr16_match_opcode (void)
{
unsigned long mask;
/* The instruction 'constant' opcode doesn't exceed 32 bits. */
- unsigned long doubleWord = (cr16_words[1]
- + (cr16_words[0] << 16)) & 0xffffffff;
+ unsigned long doubleWord = cr16_words[1] + ((unsigned) cr16_words[0] << 16);
/* Start searching from end of instruction table. */
instruction = &cr16_instruction[NUMOPCODES - 2];
--
Alan Modra
Australia Development Lab, IBM
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