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-rw-r--r--gcc/tree-ssa-reassoc.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-ssa-reassoc.c b/gcc/tree-ssa-reassoc.c
index 68a67b6..4fae8fc 100644
--- a/gcc/tree-ssa-reassoc.c
+++ b/gcc/tree-ssa-reassoc.c
@@ -3988,6 +3988,9 @@ acceptable_pow_call (gimple stmt, tree *base, HOST_WIDE_INT *exponent)
switch (DECL_FUNCTION_CODE (fndecl))
{
CASE_FLT_FN (BUILT_IN_POW):
+ if (flag_errno_math)
+ return false;
+
*base = gimple_call_arg (stmt, 0);
arg1 = gimple_call_arg (stmt, 1);