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authorJim Wilson <wilson@cygnus.com>1998-04-16 13:46:40 +0000
committerJim Wilson <wilson@gcc.gnu.org>1998-04-16 06:46:40 -0700
commit7ce55772e8e2e58230198dbb79466de7c52ac5fd (patch)
tree98ba76a8b450b4f75de83acd65a7faa01952192b /gcc/reg-stack.c
parente88caebd288e76f92169b9abe359578757a40d7c (diff)
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Patch to fix x86 gcc.dg/980226-1.c failure report by Manfred Hollstein.
* reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if no operands. From-SVN: r19236
Diffstat (limited to 'gcc/reg-stack.c')
-rw-r--r--gcc/reg-stack.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/gcc/reg-stack.c b/gcc/reg-stack.c
index ab3ded6..c781d0d 100644
--- a/gcc/reg-stack.c
+++ b/gcc/reg-stack.c
@@ -637,9 +637,14 @@ constrain_asm_operands (n_operands, operands, operand_constraints,
already guaranteed that all operands have the same number of
alternatives. */
- n_alternatives = 1;
- for (q = constraints[0]; *q; q++)
- n_alternatives += (*q == ',');
+ if (n_operands == 0)
+ n_alternatives = 0;
+ else
+ {
+ n_alternatives = 1;
+ for (q = constraints[0]; *q; q++)
+ n_alternatives += (*q == ',');
+ }
this_alternative = 0;
while (this_alternative < n_alternatives)