| 1 |
38 |
julius |
/* 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 |
|
|
. */
|
| 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 */
|
