/* Definitions of target machine for GNU compiler, for IBM RS/6000.
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/* Definitions of target machine for GNU compiler, for IBM RS/6000.
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Copyright (C) 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
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Copyright (C) 2002, 2003, 2004, 2007 Free Software Foundation, Inc.
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Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
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Contributed by Richard Kenner (kenner@vlsi1.ultra.nyu.edu)
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This file is part of GCC.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it
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GCC is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published
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under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 3, or (at your
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by the Free Software Foundation; either version 3, or (at your
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option) any later version.
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option) any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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along with GCC; see the file COPYING3. If not see
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. */
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. */
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/* 128-bit floating point. ABI_V4 uses IEEE quad, AIX/Darwin
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/* 128-bit floating point. ABI_V4 uses IEEE quad, AIX/Darwin
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adjust this in rs6000_override_options. */
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adjust this in rs6000_override_options. */
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FLOAT_MODE (TF, 16, ieee_quad_format);
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FLOAT_MODE (TF, 16, ieee_quad_format);
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/* PSImode is used for the XER register. The XER register
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/* PSImode is used for the XER register. The XER register
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is not used for anything; perhaps it should be deleted,
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is not used for anything; perhaps it should be deleted,
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except that that would change register numbers. */
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except that that would change register numbers. */
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PARTIAL_INT_MODE (SI);
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PARTIAL_INT_MODE (SI);
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/* Add any extra modes needed to represent the condition code.
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/* Add any extra modes needed to represent the condition code.
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For the RS/6000, we need separate modes when unsigned (logical) comparisons
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For the RS/6000, we need separate modes when unsigned (logical) comparisons
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are being done and we need a separate mode for floating-point. We also
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are being done and we need a separate mode for floating-point. We also
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use a mode for the case when we are comparing the results of two
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use a mode for the case when we are comparing the results of two
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comparisons, as then only the EQ bit is valid in the register. */
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comparisons, as then only the EQ bit is valid in the register. */
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CC_MODE (CCUNS);
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CC_MODE (CCUNS);
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CC_MODE (CCFP);
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CC_MODE (CCFP);
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CC_MODE (CCEQ);
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CC_MODE (CCEQ);
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/* Vector modes. */
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/* Vector modes. */
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VECTOR_MODES (INT, 8); /* V8QI V4HI V2SI */
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VECTOR_MODES (INT, 8); /* V8QI V4HI V2SI */
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VECTOR_MODES (INT, 16); /* V16QI V8HI V4SI V2DI */
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VECTOR_MODES (INT, 16); /* V16QI V8HI V4SI V2DI */
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VECTOR_MODE (INT, DI, 1);
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VECTOR_MODE (INT, DI, 1);
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VECTOR_MODES (FLOAT, 8); /* V4HF V2SF */
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VECTOR_MODES (FLOAT, 8); /* V4HF V2SF */
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VECTOR_MODES (FLOAT, 16); /* V8HF V4SF V2DF */
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VECTOR_MODES (FLOAT, 16); /* V8HF V4SF V2DF */
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