Richard Biener wrote:
Why sink the !host_integerp check? Please keep it where it is now.
Then
+ if (real_minus_onep (arg0)
+ && TREE_CODE (TREE_TYPE (arg1)) == INTEGER_TYPE
this check is redundant, too.
Good point - I will commit the patch below after another bootstrap and
regtesting.
Tobias
--- a/gcc/tree-ssa-math-opts.c
+++ b/gcc/tree-ssa-math-opts.c
@@ -1448,7 +1448,9 @@ execute_cse_sincos (void)
loc = gimple_location (stmt);
- if (real_minus_onep (arg0)
- && TREE_CODE (TREE_TYPE (arg1)) == INTEGER_TYPE
- && !host_integerp (arg1,0))
+ if (!host_integerp (arg1, 0))
+ break;
+
+
+ if (real_minus_onep (arg0))
{
tree t0, t1, cond, one, minus_one;
@@ -1477,7 +1479,4 @@ execute_cse_sincos (void)
else
{
- if (!host_integerp (arg1, 0))
- break;
-
n = TREE_INT_CST_LOW (arg1);
result = gimple_expand_builtin_powi (&gsi, loc,
arg0, n);
