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-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/reg-stack.c11
2 files changed, 13 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index b9de0f9..d4ef09c 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
+
+ * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
+ no operands.
+
Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
* tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
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)