* cpphash.h (struct spec_nodes): Remove n__CHAR_UNSIGNED__.

	* cpphash.c (_cpp_init_hashtable): Similarly.
	* cppinit.c (cpp_create_reader): Default the signed_char flag.
	(init_builtins): Define __CHAR_UNSIGNED__ appropriately.
	(COMMAND_LINE_OPTIONS): Recognise -f{un,}signed-char.
	(cpp_handle_option): Handle the new options.
	* cpplex.c (cpp_interpret_charconst): Use new flag.
	* cpplib.h (struct cpp_options): New member signed_char.
	* gcc.c (cpp_unique_options): Remove %c spec and documentation.
	(cpp_options): Handle -fsigned-char and -funsigned-char.
	(static_specs): Remove signed_char_spec.
	(do_spec1): Don't handle %c.
	* system.h: Poison SIGNED_CHAR_SPEC.
	* tradcif.y (yylex): Use flag_signed_char.
	* tradcpp.h (flag_signed_char): New.
	* tradcpp.c (flag_signed_char): New.
	(main): Handle new command-line options.
	(initialize_builtins): Define __CHAR_UNSIGNED__ if appropriate.
config:
	* alpha/alpha.h (SIGNED_CHAR_SPEC): Remove.
	* avr/avr.h: Remove old comments.
	* i960/i960.h (CPP_SPEC): Pass -fsigned-char if -mic*.
	(CC1_SPEC): Pass -fsigned-char if -mic*.
	(SIGNED_CHAR_SPEC): Remove.
doc:
	* tm.texi (SIGNED_CHAR_SPEC): Remove documentation.
testsuite:
	* gcc.dg/cpp/uchar-1.c, uchar-2.c, uchar-3.c: New tests.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@49444 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 7 insertions, 13 deletions

diff --git a/gcc/config/i960/i960.h b/gcc/config/i960/i960.h
index ec4b9d15b4b..4df5a6fb14f 100644
--- a/gcc/config/i960/i960.h
+++ b/gcc/config/i960/i960.h
@@ -30,8 +30,9 @@ Boston, MA 02111-1307, USA.  */
 /* Names to predefine in the preprocessor for this target machine.  */
 #define CPP_PREDEFINES "-Di960 -Di80960 -DI960 -DI80960 -Acpu=i960 -Amachine=i960"
 
-/* Name to predefine in the preprocessor for processor variations.  */
-#define	CPP_SPEC "%{mic*:-D__i960\
+/* Name to predefine in the preprocessor for processor variations.
+   -mic* options make characters signed by default.  */
+#define	CPP_SPEC "%{mic*:-D__i960 -fsigned-char\
 			%{mka:-D__i960KA}%{mkb:-D__i960KB}\
 			%{mja:-D__i960JA}%{mjd:-D__i960JD}%{mjf:-D__i960JF}\
 			%{mrp:-D__i960RP}\
@@ -52,20 +53,13 @@ Boston, MA 02111-1307, USA.  */
 		%{!mcc:%{!mcf:-D__i960_KB -D__i960KB__ %{mic*:-D__i960KB}}}}}}}}}\
 	%{mlong-double-64:-D__LONG_DOUBLE_64__}"
 
-/* -mic* options make characters signed by default.  */
-/* Use #if rather than ?: because MIPS C compiler rejects ?: in
-   initializers.  */
-#if DEFAULT_SIGNED_CHAR
-#define SIGNED_CHAR_SPEC "%{funsigned-char:-D__CHAR_UNSIGNED__}"
-#else
-#define SIGNED_CHAR_SPEC "%{!fsigned-char:%{!mic*:-D__CHAR_UNSIGNED__}}"
-#endif
-
 /* Specs for the compiler, to handle processor variations. 
    If the user gives an explicit -gstabs or -gcoff option, then do not
-   try to add an implicit one, as this will fail.  */
+   try to add an implicit one, as this will fail. 
+   -mic* options make characters signed by default.  */
 #define CC1_SPEC \
-	"%{!mka:%{!mkb:%{!msa:%{!msb:%{!mmc:%{!mca:%{!mcc:%{!mcf:%{!mja:%{!mjd:%{!mjf:%{!mrp:-mka}}}}}}}}}}}}\
+	"%{mic*:-fsigned-char}\
+%{!mka:%{!mkb:%{!msa:%{!msb:%{!mmc:%{!mca:%{!mcc:%{!mcf:%{!mja:%{!mjd:%{!mjf:%{!mrp:-mka}}}}}}}}}}}}\
 	 %{!gs*:%{!gc*:%{mbout:%{g*:-gstabs}}\
 		       %{mcoff:%{g*:-gcoff}}\
 		       %{!mbout:%{!mcoff:%{g*:-gstabs}}}}}"