tree-complex.c (expand_complex_libcall): New.

        * tree-complex.c (expand_complex_libcall): New.
        (expand_complex_multiplication): Use it for c99 compliance.
        (expand_complex_division): Likewise.
        * fold-const.c (fold_complex_add, fold_complex_mult): New.
        (fold): Call them.
        * builtins.c (built_in_names): Remove const.
        * tree.c (build_common_builtin_nodes): Build complex arithmetic
        builtins.
        * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
        (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
        (built_in_names): Remove const.
        * c-common.c (c_common_type_for_mode): Handle complex modes.
        * flags.h, toplev.c (flag_complex_method): Rename from
        flag_complex_divide_method.
        * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
        __mulsc3, __muldc3, __mulxc3, __multc3): New.
        * libgcc2.h: Declare them.
        * libgcc-std.ver: Export them.
        * mklibgcc.in (lib2funcs): Build them.

From-SVN: r94909

1 files changed, 15 insertions, 1 deletions

diff --git a/gcc/tree.h b/gcc/tree.h
index 4b14d3f..dea3136 100644
--- a/gcc/tree.h
+++ b/gcc/tree.h
@@ -187,13 +187,27 @@ enum built_in_function
 {
 #include "builtins.def"
 
+  /* Complex division routines in libgcc.  These are done via builtins
+     because emit_library_call_value can't handle complex values.  */
+  BUILT_IN_COMPLEX_MUL_MIN,
+  BUILT_IN_COMPLEX_MUL_MAX
+    = BUILT_IN_COMPLEX_MUL_MIN
+      + MAX_MODE_COMPLEX_FLOAT
+      - MIN_MODE_COMPLEX_FLOAT,
+
+  BUILT_IN_COMPLEX_DIV_MIN,
+  BUILT_IN_COMPLEX_DIV_MAX
+    = BUILT_IN_COMPLEX_DIV_MIN
+      + MAX_MODE_COMPLEX_FLOAT
+      - MIN_MODE_COMPLEX_FLOAT,
+
   /* Upper bound on non-language-specific builtins.  */
   END_BUILTINS
 };
 #undef DEF_BUILTIN
 
 /* Names for the above.  */
-extern const char *const built_in_names[(int) END_BUILTINS];
+extern const char * built_in_names[(int) END_BUILTINS];
 
 /* Helper macros for math builtins.  */