Mercurial > hg > CbC > CbC_gcc
comparison gcc/config/rs6000/rs6000-modes.def @ 0:a06113de4d67
first commit
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
---|---|
date | Fri, 17 Jul 2009 14:47:48 +0900 |
parents | |
children | f6334be47118 |
comparison
equal
deleted
inserted
replaced
-1:000000000000 | 0:a06113de4d67 |
---|---|
1 /* Definitions of target machine for GNU compiler, for IBM RS/6000. | |
2 Copyright (C) 2002, 2003, 2004, 2007 Free Software Foundation, Inc. | |
3 Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu) | |
4 | |
5 This file is part of GCC. | |
6 | |
7 GCC is free software; you can redistribute it and/or modify it | |
8 under the terms of the GNU General Public License as published | |
9 by the Free Software Foundation; either version 3, or (at your | |
10 option) any later version. | |
11 | |
12 GCC is distributed in the hope that it will be useful, but WITHOUT | |
13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
14 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
15 License for more details. | |
16 | |
17 You should have received a copy of the GNU General Public License | |
18 along with GCC; see the file COPYING3. If not see | |
19 <http://www.gnu.org/licenses/>. */ | |
20 | |
21 /* 128-bit floating point. ABI_V4 uses IEEE quad, AIX/Darwin | |
22 adjust this in rs6000_override_options. */ | |
23 FLOAT_MODE (TF, 16, ieee_quad_format); | |
24 | |
25 /* PSImode is used for the XER register. The XER register | |
26 is not used for anything; perhaps it should be deleted, | |
27 except that that would change register numbers. */ | |
28 PARTIAL_INT_MODE (SI); | |
29 | |
30 /* Add any extra modes needed to represent the condition code. | |
31 | |
32 For the RS/6000, we need separate modes when unsigned (logical) comparisons | |
33 are being done and we need a separate mode for floating-point. We also | |
34 use a mode for the case when we are comparing the results of two | |
35 comparisons, as then only the EQ bit is valid in the register. */ | |
36 | |
37 CC_MODE (CCUNS); | |
38 CC_MODE (CCFP); | |
39 CC_MODE (CCEQ); | |
40 | |
41 /* Vector modes. */ | |
42 VECTOR_MODES (INT, 8); /* V8QI V4HI V2SI */ | |
43 VECTOR_MODES (INT, 16); /* V16QI V8HI V4SI V2DI */ | |
44 VECTOR_MODE (INT, DI, 1); | |
45 VECTOR_MODES (FLOAT, 8); /* V4HF V2SF */ | |
46 VECTOR_MODES (FLOAT, 16); /* V8HF V4SF V2DF */ |