improve open-coding of complex divide, use new method in g77

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@26993 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 6 insertions, 0 deletions

diff --git a/gcc/flags.h b/gcc/flags.h
index df736988cce..a3cc073383e 100644
--- a/gcc/flags.h
+++ b/gcc/flags.h
@@ -296,6 +296,12 @@ extern int flag_fast_math;
 
 extern int flag_errno_math;
 
+/* 0 means straightforward implementation of complex divide acceptable.
+   1 means wide ranges of inputs must work for complex divide.
+   2 means C9X-like requirements for complex divide (not yet implemented).  */
+
+extern int flag_complex_divide_method;
+
 /* Nonzero means to run loop optimizations twice.  */
 
 extern int flag_rerun_loop_opt;