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[/] [openrisc/] [trunk/] [gnu-src/] [gcc-4.5.1/] [gcc/] [config/] [i386/] [i386-modes.def] - Blame information for rev 282

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1 282 jeremybenn
/* Definitions of target machine for GCC for IA-32.
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   Copyright (C) 2002, 2004, 2005, 2007, 2008 Free Software Foundation, Inc.
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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
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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GNU General Public License for more details.
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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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.  */
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/* The x86_64 ABI specifies both XF and TF modes.
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   XFmode is __float80 is IEEE extended; TFmode is __float128
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   is IEEE quad.  */
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FRACTIONAL_FLOAT_MODE (XF, 80, 12, ieee_extended_intel_96_format);
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FLOAT_MODE (TF, 16, ieee_quad_format);
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/* In ILP32 mode, XFmode has size 12 and alignment 4.
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   In LP64 mode, XFmode has size and alignment 16.  */
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ADJUST_FLOAT_FORMAT (XF, (TARGET_128BIT_LONG_DOUBLE
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                          ? &ieee_extended_intel_128_format
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                          : TARGET_96_ROUND_53_LONG_DOUBLE
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                          ? &ieee_extended_intel_96_round_53_format
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                          : &ieee_extended_intel_96_format));
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ADJUST_BYTESIZE  (XF, TARGET_128BIT_LONG_DOUBLE ? 16 : 12);
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ADJUST_ALIGNMENT (XF, TARGET_128BIT_LONG_DOUBLE ? 16 : 4);
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/* Add any extra modes needed to represent the condition code.
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   For the i386, we need separate modes when floating-point
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   equality comparisons are being done.
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   Add CCNO to indicate comparisons against zero that requires
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   Overflow flag to be unset.  Sign bit test is used instead and
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   thus can be used to form "a&b>0" type of tests.
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   Add CCGC to indicate comparisons against zero that allows
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   unspecified garbage in the Carry flag.  This mode is used
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   by inc/dec instructions.
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   Add CCGOC to indicate comparisons against zero that allows
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   unspecified garbage in the Carry and Overflow flag. This
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   mode is used to simulate comparisons of (a-b) and (a+b)
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   against zero using sub/cmp/add operations.
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   Add CCA to indicate that only the Above flag is valid.
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   Add CCC to indicate that only the Carry flag is valid.
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   Add CCO to indicate that only the Overflow flag is valid.
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   Add CCS to indicate that only the Sign flag is valid.
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   Add CCZ to indicate that only the Zero flag is valid.  */
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CC_MODE (CCGC);
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CC_MODE (CCGOC);
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CC_MODE (CCNO);
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CC_MODE (CCA);
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CC_MODE (CCC);
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CC_MODE (CCO);
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CC_MODE (CCS);
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CC_MODE (CCZ);
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CC_MODE (CCFP);
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CC_MODE (CCFPU);
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/* Vector modes.  Note that VEC_CONCAT patterns require vector
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   sizes twice as big as implemented in hardware.  */
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VECTOR_MODES (INT, 4);        /*              V4QI V2HI */
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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, 32);       /*  V32QI V16HI V8SI V4DI */
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VECTOR_MODES (INT, 64);       /* V64QI V32HI V16SI V8DI */
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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, 32);     /*        V16HF V8SF V4DF */
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VECTOR_MODES (FLOAT, 64);     /*       V32HF V16SF V8DF */
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VECTOR_MODE (INT, TI, 1);     /*                   V1TI */
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VECTOR_MODE (INT, DI, 1);     /*                   V1DI */
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VECTOR_MODE (INT, SI, 1);     /*                   V1SI */
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VECTOR_MODE (INT, QI, 2);     /*                   V2QI */
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INT_MODE (OI, 32);
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/* The symbol Pmode stands for one of the above machine modes (usually SImode).
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   The tm.h file specifies which one.  It is not a distinct mode.  */

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