| /* Definitions of target machine for GNU compiler, for IBM RS/6000. |
| Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. |
| Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu) |
| |
| This file is part of GCC. |
| |
| 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) any later version. |
| |
| GCC 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 GCC; see the file COPYING. If not, write to the |
| Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston, |
| MA 02110-1301, USA. */ |
| |
| /* 128-bit floating point. ABI_V4 uses IEEE quad, AIX/Darwin |
| adjust this in rs6000_override_options. */ |
| FLOAT_MODE (TF, 16, ieee_quad_format); |
| |
| /* PSImode is used for the XER register. The XER register |
| is not used for anything; perhaps it should be deleted, |
| except that that would change register numbers. */ |
| PARTIAL_INT_MODE (SI); |
| |
| /* Add any extra modes needed to represent the condition code. |
| |
| For the RS/6000, we need separate modes when unsigned (logical) comparisons |
| are being done and we need a separate mode for floating-point. We also |
| use a mode for the case when we are comparing the results of two |
| comparisons, as then only the EQ bit is valid in the register. */ |
| |
| CC_MODE (CCUNS); |
| CC_MODE (CCFP); |
| CC_MODE (CCEQ); |
| |
| /* Vector modes. */ |
| VECTOR_MODES (INT, 8); /* V8QI V4HI V2SI */ |
| VECTOR_MODES (INT, 16); /* V16QI V8HI V4SI V2DI */ |
| VECTOR_MODE (INT, DI, 1); |
| VECTOR_MODES (FLOAT, 8); /* V4HF V2SF */ |
| VECTOR_MODES (FLOAT, 16); /* V8HF V4SF V2DF */ |
