toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math

[gcc.git] / gcc / toplev.c

diff --git a/gcc/toplev.c b/gcc/toplev.c
index aa3d62ed1d8547f7cd22b643b72e5c3ec642f7c9..9fe0e9eae798e2a360be1af1e26de01edd809621 100644 (file)
--- a/gcc/toplev.c
+++ b/gcc/toplev.c
@@ -969,7 +969,9 @@ lang_independent_options f_options[] =
   {"ident", &flag_no_ident, 0,
    "Process #ident directives"},
   { "peephole2", &flag_peephole2, 1,
-    "Enables an rtl peephole pass run before sched2" }
+    "Enables an rtl peephole pass run before sched2" },
+  {"math-errno", &flag_errno_math, 1,
+   "Set errno after built-in math functions"}
 };
 
 #define NUM_ELEM(a)  (sizeof (a) / sizeof ((a)[0]))