X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=gcc%2Fconfig%2Fc4x%2Fc4x-modes.def;h=57bfd1267ff68f7949efd22a87babcb1278b3889;hp=50798069cc609bafd83e581732f8f71b5ece752c;hb=d54b962041ed399305f12f6db7de0c5186db96d4;hpb=fa3fa444e25ec1b6c2635d8884b6844510230e1d

diff --git a/gcc/config/c4x/c4x-modes.def b/gcc/config/c4x/c4x-modes.def
index 50798069cc6..57bfd1267ff 100644
--- a/gcc/config/c4x/c4x-modes.def
+++ b/gcc/config/c4x/c4x-modes.def
@@ -1,5 +1,5 @@
 /* Definitions of target machine for GNU compiler.  TMS320C[34]x
-   Copyright (C) 2002 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2004, 2007 Free Software Foundation, Inc.
 
    Contributed by Michael Hayes (m.hayes@elec.canterbury.ac.nz)
               and Herman Ten Brugge (Haj.Ten.Brugge@net.HCC.nl).
@@ -8,7 +8,7 @@
 
    GCC 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)
+   the Free Software Foundation; either version 3, or (at your option)
    any later version.
 
    GCC is distributed in the hope that it will be useful,
@@ -17,15 +17,22 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with GCC; see the file COPYING.  If not, write to
-   the Free Software Foundation, 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   along with GCC; see the file COPYING3.  If not see
+   <http://www.gnu.org/licenses/>.  */
+
+/* C4x wants 1- and 2-word float modes, in its own peculiar format.
+   FIXME: Give this port a way to get rid of SFmode, DFmode, and all
+   the other modes it doesn't use.  */
+FLOAT_MODE (QF, 1, c4x_single_format);
+FLOAT_MODE (HF, 2, c4x_extended_format);
+RESET_FLOAT_FORMAT (SF, 0);  /* not used */
+RESET_FLOAT_FORMAT (DF, 0);  /* not used */
 
 /* Add any extra modes needed to represent the condition code.
 
    On the C4x, we have a "no-overflow" mode which is used when an ADD,
    SUB, NEG, or MPY insn is used to set the condition code.  This is
-   to prevent the combiner from optimising away a following CMP of the
+   to prevent the combiner from optimizing away a following CMP of the
    result with zero when a signed conditional branch or load insn
    follows.
 
@@ -94,9 +101,8 @@
    Thus (GE (MINUS (0x80000000) (0x7fffffff) (0x00000000))) sets the N
    flag but (GE (0x00000001)) does not set the N flag.
 
-   The upshot is that we can not use signed branch and conditional
+   The upshot is that we cannot use signed branch and conditional
    load instructions after an add, subtract, neg, abs or multiply.
    We must emit a compare insn to check the result against 0.  */
 
-CC (CC_NOOV)
-
+CC_MODE (CC_NOOV);