cris.c (cris_override_options): Tweak error message for PIC not implemented.

	* config/cris/cris.c (cris_override_options): Tweak error message
	for PIC not implemented.

	* config/cris/cris.h: Tweak comments related to parameter-passing.

	* t-cris (TARGET_LIBGCC2_CFLAGS): Don't -Dinhibit_libc here.

From-SVN: r52161

gcc/ChangeLog

+2002-04-11  Hans-Peter Nilsson  <hp@axis.com>
+
+	* config/cris/cris.c (cris_override_options): Tweak error message
+	for PIC not implemented.
+
+	* config/cris/cris.h: Tweak comments related to parameter-passing.
+
+	* t-cris (TARGET_LIBGCC2_CFLAGS): Don't -Dinhibit_libc here.
+
 2002-04-10  Richard Henderson  <rth@redhat.com>
 
 	* except.c (add_ehl_entry): Allow duplicates after landing pad

gcc/config/cris/cris.c

@@ -2541,7 +2541,7 @@ cris_override_options ()
 	 further errors.  */
       if (! TARGET_LINUX)
 	{
-	  error ("-fPIC not supported in this configuration");
+	  error ("-fPIC and -fpic are not supported in this configuration");
 	  flag_pic = 0;
 	}
 

gcc/config/cris/cris.h

@@ -67,6 +67,7 @@ Boston, MA 02111-1307, USA.  */
 #define CRIS_PLT_GOTOFFSET_SUFFIX ":PLTG"
 #define CRIS_PLT_PCOFFSET_SUFFIX ":PLT"
 
+/* If you tweak this, don't forget to check cris_expand_builtin_va_arg.  */
 #define CRIS_FUNCTION_ARG_SIZE(MODE, TYPE)	\
   ((MODE) != BLKmode ? GET_MODE_SIZE (MODE)	\
    : (unsigned) int_size_in_bytes (TYPE))
@@ -936,7 +937,8 @@ enum reg_class {NO_REGS, ALL_REGS, LIM_REG_CLASSES};
   ? 1 : 0)
 
 /* Structs may be passed by value, but they must not be more than 8
-   bytes long.  */
+   bytes long.  If you tweak this, don't forget to adjust
+   cris_expand_builtin_va_arg.  */
 #define FUNCTION_ARG_PASS_BY_REFERENCE(CUM, MODE, TYPE, NAMED)		\
  (MUST_PASS_IN_STACK (MODE, TYPE)					\
   || CRIS_FUNCTION_ARG_SIZE (MODE, TYPE) > 8)				\

gcc/config/cris/t-cris

@@ -39,5 +39,3 @@ $(LIB2FUNCS_EXTRA): $(CRIS_LIB1CSRC)
 	echo "#define L$$name" > tmp-$@ \
 	&& echo '#include "$<"' >> tmp-$@ \
 	&& mv -f tmp-$@ $@
-
-TARGET_LIBGCC2_CFLAGS = -Dinhibit_libc