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ubsan: cr16: left shift cannot be represented in type 'int'

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* cr16-dis.c (cr16_match_opcode): Avoid shift left of signed value.
This commit is contained in:
Alan Modra 2020-01-03 08:12:00 +10:30
parent 2c5c119630
commit 5f57d4ecf5
2 changed files with 5 additions and 2 deletions
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4
opcodes/ChangeLog
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@ -1,3 +1,7 @@
2020-01-04 Alan Modra <amodra@gmail.com>
* cr16-dis.c (cr16_match_opcode): Avoid shift left of signed value.
2020-01-04 Alan Modra <amodra@gmail.com>
* crx-dis.c (match_opcode): Avoid shift left of signed value.

3
opcodes/cr16-dis.c
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@ -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];