config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the GCC ABI.

doc/invoke.texi: Document this new switch and also the -mrenesas switch.

From-SVN: r85557

gcc/ChangeLog

+2004-08-04  Nick Clifton  <nickc@redhat.com>
+
+	* config/sh/sh.h (TARGET_SWITCHES): Add no-renesas to select the
+	GCC ABI.
+	* doc/invoke.texi: Document this new switch and also the -mrenesas
+	switch.
+
 2004-08-04  Nathan Sidwell  <nathan@codesourcery.com>
 
 	* cfglayout.c (insn_locators_initialize): Update the current

gcc/config/sh/sh.h

@@ -561,6 +561,7 @@ extern int target_flags;
   {"fmovd",  	FMOVD_BIT, "" },		\
   {"hitachi",	HITACHI_BIT, "Follow Renesas (formerly Hitachi) / SuperH calling conventions" },		\
   {"renesas",	HITACHI_BIT, "Follow Renesas (formerly Hitachi) / SuperH calling conventions" },		\
+  {"no-renesas",-HITACHI_BIT,"Follow the GCC calling conventions" },	\
   {"nomacsave", NOMACSAVE_BIT, "Mark MAC register as call-clobbered" },		\
   {"ieee",  	IEEE_BIT, "Increase the IEEE compliance for floating-point code" },			\
   {"isize", 	ISIZE_BIT, "" },		\

gcc/doc/invoke.texi

@@ -626,7 +626,7 @@ See RS/6000 and PowerPC Options.
 -m5-32media  -m5-32media-nofpu @gol
 -m5-compact  -m5-compact-nofpu @gol
 -mb  -ml  -mdalign  -mrelax @gol
--mbigtable  -mfmovd  -mhitachi  -mnomacsave @gol
+-mbigtable  -mfmovd  -mhitachi -mrenesas -mno-renesas -mnomacsave @gol
 -mieee  -misize  -mpadstruct  -mspace @gol
 -mprefergot  -musermode}
 
@@ -10585,6 +10585,16 @@ Enable the use of the instruction @code{fmovd}.
 @opindex mhitachi
 Comply with the calling conventions defined by Renesas.
 
+@item -mrenesas
+@opindex mhitachi
+Comply with the calling conventions defined by Renesas.
+
+@item -mno-renesas
+@opindex mhitachi
+Comply with the calling conventions defined for GCC before the Renesas
+conventions were available.  This option is the default for all
+targets of the SH toolchain except for @samp{sh-symbianelf}.
+
 @item -mnomacsave
 @opindex mnomacsave
 Mark the @code{MAC} register as call-clobbered, even if