diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/config/rs6000/rs6000-modes.def')
-rw-r--r-- | gcc-4.2.1-5666.3/gcc/config/rs6000/rs6000-modes.def | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/config/rs6000/rs6000-modes.def b/gcc-4.2.1-5666.3/gcc/config/rs6000/rs6000-modes.def new file mode 100644 index 000000000..c0599b396 --- /dev/null +++ b/gcc-4.2.1-5666.3/gcc/config/rs6000/rs6000-modes.def @@ -0,0 +1,47 @@ +/* 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 */ |