* Makefile.in (MACHMODE_H): Add @extra_modes_file@.

	* configure.in: If $srcdir/config/${cpu_type}/${cpu_type}-modes.def
	exists, substitute its pathname as @extra_modes_file@, define
	EXTRA_MODES_FILE to be an appropriate string to #include it
	with, and define EXTRA_CC_MODES to 1.

	* machmode.def: Update comments.  Include EXTRA_MODES_FILE if
	it's defined.  Get rid of redundancy in calling sequence for
	CC; don't use it to define CCmode, to avoid a warning.
	* libgcc2.c: Include symcat.h for the sake of machmode.def.

	* arc-modes.def, arm-modes.def, c4x-modes.def, i386-modes.def,
	i960-modes.def, ia64-modes.def, m88k-modes.def, mmix-modes.def,
	pa-modes.def, pdp11-modes.def, rs6000-modes.def, sparc-modes.def:
	New files.
	* arc.h, arm.h, c4x.h, i386.h, i960.h, ia64.h, m88k.h, mmix.h,
	pa.h, pdp11.h, rs6000.h, sparc.h: Don't define EXTRA_CC_MODES.

	* doc/sourcebuild.texi, doc/tm.texi: Document new scheme for
	defining extra CC modes.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@54478 138bc75d-0d04-0410-961f-82ee72b054a4

2 files changed, 26 insertions, 6 deletions

diff --git a/gcc/config/pdp11/pdp11-modes.def b/gcc/config/pdp11/pdp11-modes.def
new file mode 100644
index 00000000000..494d96ab0db
--- /dev/null
+++ b/gcc/config/pdp11/pdp11-modes.def
@@ -0,0 +1,26 @@
+/* Definitions of target machine for GNU compiler, for the pdp-11
+   Copyright (C) 2002 Free Software Foundation, Inc.
+   Contributed by Michael K. Gschwind (mike@vlsivie.tuwien.ac.at).
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU CC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU CC; see the file COPYING.  If not, write to
+the Free Software Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA.  */
+
+/* Add any extra modes needed to represent the condition code.
+   CCFPmode is used for FPU, but should we use a separate reg? */
+
+CC (CCFP)
+
diff --git a/gcc/config/pdp11/pdp11.h b/gcc/config/pdp11/pdp11.h
index 99bb7fe32d5..58562b5bf82 100644
--- a/gcc/config/pdp11/pdp11.h
+++ b/gcc/config/pdp11/pdp11.h
@@ -884,12 +884,6 @@ extern int may_call_alloca;
    is done just by pretending it is already truncated.  */
 #define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1
 
-
-/* Add any extra modes needed to represent the condition code.
-
-   CCFPmode is used for FPU, but should we use a separate reg? */
-#define EXTRA_CC_MODES CC(CCFPmode, "CCFP")
-
 /* Give a comparison code (EQ, NE etc) and the first operand of a COMPARE,
    return the mode to be used for the comparison.  For floating-point, CCFPmode
    should be used. */