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PR exp/1978

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* valarith.c (value_binop): Fix result type for the shift
	operators.
This commit is contained in:
Andreas Schwab 2005-08-11 13:45:40 +00:00
parent 5477e8a096
commit 0d059fcaa4
2 changed files with 14 additions and 1 deletions
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6
gdb/ChangeLog
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@ -1,3 +1,9 @@
2005-08-11 Andreas Schwab <schwab@suse.de>
PR exp/1978
* valarith.c (value_binop): Fix result type for the shift
operators.
2005-08-09 Mark Kettenis <kettenis@gnu.org>
* sparc64obsd-tdep.c: Tweak comments.

9
gdb/valarith.c
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@ -883,7 +883,14 @@ value_binop (struct value *arg1, struct value *arg2, enum exp_opcode op)
Use the signedness of the operand with the greater length.
If both operands are of equal length, use unsigned operation
if one of the operands is unsigned. */
if (promoted_len1 > promoted_len2)
if (op == BINOP_RSH || op == BINOP_LSH)
{
/* In case of the shift operators the type of the result only
depends on the type of the left operand. */
unsigned_operation = is_unsigned1;
result_len = promoted_len1;
}
else if (promoted_len1 > promoted_len2)
{
unsigned_operation = is_unsigned1;
result_len = promoted_len1;