diff options
author | obrien <obrien@FreeBSD.org> | 2002-02-01 18:16:02 +0000 |
---|---|---|
committer | obrien <obrien@FreeBSD.org> | 2002-02-01 18:16:02 +0000 |
commit | c9ab9ae440a8066b2c2b85b157b1fdadcf09916a (patch) | |
tree | 086d9d6c8fbd4fc8fe4495059332f66bc0f8d12b /contrib/gcc/machmode.def | |
parent | 2ecfd8bd04b63f335c1ec6295740a4bfd97a4fa6 (diff) | |
download | FreeBSD-src-c9ab9ae440a8066b2c2b85b157b1fdadcf09916a.zip FreeBSD-src-c9ab9ae440a8066b2c2b85b157b1fdadcf09916a.tar.gz |
Enlist the FreeBSD-CURRENT users as testers of what is to become Gcc 3.1.0.
These bits are taken from the FSF anoncvs repo on 1-Feb-2002 08:20 PST.
Diffstat (limited to 'contrib/gcc/machmode.def')
-rw-r--r-- | contrib/gcc/machmode.def | 184 |
1 files changed, 119 insertions, 65 deletions
diff --git a/contrib/gcc/machmode.def b/contrib/gcc/machmode.def index ab2215e..580f6ff 100644 --- a/contrib/gcc/machmode.def +++ b/contrib/gcc/machmode.def @@ -1,26 +1,26 @@ /* This file contains the definitions and documentation for the machine modes used in the GNU compiler. - Copyright (C) 1987, 1992, 1994, 1997, 1998 Free Software Foundation, Inc. + Copyright (C) 1987, 1992, 1994, 1997, 1998, 2000 Free Software Foundation, Inc. -This file is part of GNU CC. +This file is part of GCC. -GNU CC 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 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. -GNU CC 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. +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 GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, -Boston, MA 02111-1307, USA. */ +along with GCC; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA +02111-1307, USA. */ -/* This file defines all the MACHINE MODES used by GNU CC. +/* This file defines all the MACHINE MODES used by GCC. A machine mode specifies a size and format of data at the machine level. @@ -45,75 +45,129 @@ Boston, MA 02111-1307, USA. */ MODE_PARTIAL_INT - PQImode, PHImode, PSImode and PDImode MODE_CC - modes used for representing the condition code in a register MODE_COMPLEX_INT, MODE_COMPLEX_FLOAT - complex number + MODE_VECTOR_INT, MODE_VECTOR_FLOAT - vector MODE_RANDOM - anything else - Fourth argument is the relative size of the object, in bytes. + Fourth argument is the relative size of the object, in bits, + so we can have modes smaller than 1 byte. + + Fifth argument is the relative size of the object, in bytes. It is zero when the size is meaningless or not determined. A byte's size is determined by BITS_PER_UNIT in tm.h. + Sixth arg is the relative size of subunits of the object. + It is same as the fifth argument except for complexes and vectors, + since they are really made of many equal size subunits. - Fifth arg is the relative size of subunits of the object. - It is same as the fourth argument except for complexes, - since they are really made of two equal size subunits. - - Sixth arg is next wider natural mode of the same class. - 0 if there is none. */ + Seventh arg is next wider natural mode of the same class. 0 if + there is none. Vector modes use this field to point to the next + vector size, so we can iterate through the different vectors modes. + The ordering is by increasing byte size, with QI coming before HI, + HI before SI, etc. */ /* VOIDmode is used when no mode needs to be specified, as for example on CONST_INT RTL expressions. */ -DEF_MACHMODE (VOIDmode, "VOID", MODE_RANDOM, 0, 0, VOIDmode) - -DEF_MACHMODE (PQImode, "PQI", MODE_PARTIAL_INT, 1, 1, PHImode) -DEF_MACHMODE (QImode, "QI", MODE_INT, 1, 1, HImode) /* int types */ -DEF_MACHMODE (PHImode, "PHI", MODE_PARTIAL_INT, 2, 2, PSImode) -DEF_MACHMODE (HImode, "HI", MODE_INT, 2, 2, SImode) -/* Pointers on some machines use this type to distinguish them from ints. - Useful if a pointer is 4 bytes but has some bits that are not significant, - so it is really not quite as wide as an integer. */ -DEF_MACHMODE (PSImode, "PSI", MODE_PARTIAL_INT, 4, 4, PDImode) -DEF_MACHMODE (SImode, "SI", MODE_INT, 4, 4, DImode) -DEF_MACHMODE (PDImode, "PDI", MODE_PARTIAL_INT, 8, 8, VOIDmode) -DEF_MACHMODE (DImode, "DI", MODE_INT, 8, 8, TImode) -DEF_MACHMODE (TImode, "TI", MODE_INT, 16, 16, OImode) -DEF_MACHMODE (OImode, "OI", MODE_INT, 32, 32, VOIDmode) - -DEF_MACHMODE (QFmode, "QF", MODE_FLOAT, 1, 1, HFmode) -DEF_MACHMODE (HFmode, "HF", MODE_FLOAT, 2, 2, TQFmode) -DEF_MACHMODE (TQFmode, "TQF", MODE_FLOAT, 3, 3, SFmode) /* MIL-STD-1750A */ -DEF_MACHMODE (SFmode, "SF", MODE_FLOAT, 4, 4, DFmode) -DEF_MACHMODE (DFmode, "DF", MODE_FLOAT, 8, 8, XFmode) -DEF_MACHMODE (XFmode, "XF", MODE_FLOAT, 12, 12, TFmode) /* IEEE extended */ -DEF_MACHMODE (TFmode, "TF", MODE_FLOAT, 16, 16, VOIDmode) +DEF_MACHMODE (VOIDmode, "VOID", MODE_RANDOM, 0, 0, 0, VOIDmode) + +DEF_MACHMODE (BImode, "BI", MODE_INT, 1, 1, 1, QImode) +DEF_MACHMODE (QImode, "QI", MODE_INT, BITS_PER_UNIT, 1, 1, HImode) +DEF_MACHMODE (HImode, "HI", MODE_INT, BITS_PER_UNIT*2, 2, 2, SImode) +DEF_MACHMODE (SImode, "SI", MODE_INT, BITS_PER_UNIT*4, 4, 4, DImode) +DEF_MACHMODE (DImode, "DI", MODE_INT, BITS_PER_UNIT*8, 8, 8, TImode) +DEF_MACHMODE (TImode, "TI", MODE_INT, BITS_PER_UNIT*16, 16, 16, OImode) +DEF_MACHMODE (OImode, "OI", MODE_INT, BITS_PER_UNIT*32, 32, 32, VOIDmode) + +/* Pointers on some machines use these types to distinguish them from + ints. Useful if a pointer is 4 bytes but has some bits that are + not significant, so it is really not quite as wide as an integer. */ +DEF_MACHMODE (PQImode, "PQI", MODE_PARTIAL_INT, BITS_PER_UNIT, 1, 1, PHImode) +DEF_MACHMODE (PHImode, "PHI", MODE_PARTIAL_INT, BITS_PER_UNIT*2, 2, 2, PSImode) +DEF_MACHMODE (PSImode, "PSI", MODE_PARTIAL_INT, BITS_PER_UNIT*4, 4, 4, PDImode) +DEF_MACHMODE (PDImode, "PDI", MODE_PARTIAL_INT, BITS_PER_UNIT*8, 8, 8, VOIDmode) + +DEF_MACHMODE (QFmode, "QF", MODE_FLOAT, BITS_PER_UNIT, 1, 1, HFmode) +DEF_MACHMODE (HFmode, "HF", MODE_FLOAT, BITS_PER_UNIT*2, 2, 2, TQFmode) +DEF_MACHMODE (TQFmode, "TQF", MODE_FLOAT, BITS_PER_UNIT*3, 3, 3, SFmode) /* MIL-STD-1750A */ +DEF_MACHMODE (SFmode, "SF", MODE_FLOAT, BITS_PER_UNIT*4, 4, 4, DFmode) +DEF_MACHMODE (DFmode, "DF", MODE_FLOAT, BITS_PER_UNIT*8, 8, 8, XFmode) +DEF_MACHMODE (XFmode, "XF", MODE_FLOAT, BITS_PER_UNIT*12, 12, 12, TFmode) /* IEEE extended */ +DEF_MACHMODE (TFmode, "TF", MODE_FLOAT, BITS_PER_UNIT*16, 16, 16, VOIDmode) /* Complex modes. */ -DEF_MACHMODE (QCmode, "QC", MODE_COMPLEX_FLOAT, 2, 1, HCmode) -DEF_MACHMODE (HCmode, "HC", MODE_COMPLEX_FLOAT, 4, 2, SCmode) -DEF_MACHMODE (SCmode, "SC", MODE_COMPLEX_FLOAT, 8, 4, DCmode) -DEF_MACHMODE (DCmode, "DC", MODE_COMPLEX_FLOAT, 16, 8, XCmode) -DEF_MACHMODE (XCmode, "XC", MODE_COMPLEX_FLOAT, 24, 12, TCmode) -DEF_MACHMODE (TCmode, "TC", MODE_COMPLEX_FLOAT, 32, 16, VOIDmode) - -DEF_MACHMODE (CQImode, "CQI", MODE_COMPLEX_INT, 2, 1, CHImode) -DEF_MACHMODE (CHImode, "CHI", MODE_COMPLEX_INT, 4, 2, CSImode) -DEF_MACHMODE (CSImode, "CSI", MODE_COMPLEX_INT, 8, 4, CDImode) -DEF_MACHMODE (CDImode, "CDI", MODE_COMPLEX_INT, 16, 8, CTImode) -DEF_MACHMODE (CTImode, "CTI", MODE_COMPLEX_INT, 32, 16, COImode) -DEF_MACHMODE (COImode, "COI", MODE_COMPLEX_INT, 64, 32, VOIDmode) +DEF_MACHMODE (QCmode, "QC", MODE_COMPLEX_FLOAT, BITS_PER_UNIT*2, 2, 1, HCmode) +DEF_MACHMODE (HCmode, "HC", MODE_COMPLEX_FLOAT, BITS_PER_UNIT*4, 4, 2, SCmode) +DEF_MACHMODE (SCmode, "SC", MODE_COMPLEX_FLOAT, BITS_PER_UNIT*8, 8, 4, DCmode) +DEF_MACHMODE (DCmode, "DC", MODE_COMPLEX_FLOAT, BITS_PER_UNIT*16, 16, 8, XCmode) +DEF_MACHMODE (XCmode, "XC", MODE_COMPLEX_FLOAT, BITS_PER_UNIT*24, 24, 12, TCmode) +DEF_MACHMODE (TCmode, "TC", MODE_COMPLEX_FLOAT, BITS_PER_UNIT*32, 32, 16, VOIDmode) + +DEF_MACHMODE (CQImode, "CQI", MODE_COMPLEX_INT, BITS_PER_UNIT*2, 2, 1, CHImode) +DEF_MACHMODE (CHImode, "CHI", MODE_COMPLEX_INT, BITS_PER_UNIT*4, 4, 2, CSImode) +DEF_MACHMODE (CSImode, "CSI", MODE_COMPLEX_INT, BITS_PER_UNIT*8, 8, 4, CDImode) +DEF_MACHMODE (CDImode, "CDI", MODE_COMPLEX_INT, BITS_PER_UNIT*16, 16, 8, CTImode) +DEF_MACHMODE (CTImode, "CTI", MODE_COMPLEX_INT, BITS_PER_UNIT*32, 32, 16, COImode) +DEF_MACHMODE (COImode, "COI", MODE_COMPLEX_INT, BITS_PER_UNIT*64, 64, 32, VOIDmode) + +/* Vector modes. */ +/* There are no V1xx vector modes. These are equivalent to normal + scalar modes. */ +/* The wider mode field for vectors follows in order of increasing bit + size with QI coming before HI, HI before SI, and SI before DI + within same bit sizes. */ +DEF_MACHMODE (V2QImode, "V2QI", MODE_VECTOR_INT, BITS_PER_UNIT*2, 2, 1, V4QImode) +DEF_MACHMODE (V2HImode, "V2HI", MODE_VECTOR_INT, BITS_PER_UNIT*4, 4, 2, V8QImode) +DEF_MACHMODE (V2SImode, "V2SI", MODE_VECTOR_INT, BITS_PER_UNIT*8, 8, 4, V16QImode) +DEF_MACHMODE (V2DImode, "V2DI", MODE_VECTOR_INT, BITS_PER_UNIT*16, 16, 8, V8SImode) + +DEF_MACHMODE (V4QImode, "V4QI", MODE_VECTOR_INT, BITS_PER_UNIT*4, 4, 1, V2HImode) +DEF_MACHMODE (V4HImode, "V4HI", MODE_VECTOR_INT, BITS_PER_UNIT*8, 8, 2, V2SImode) +DEF_MACHMODE (V4SImode, "V4SI", MODE_VECTOR_INT, BITS_PER_UNIT*16, 16, 4, V2DImode) +DEF_MACHMODE (V4DImode, "V4DI", MODE_VECTOR_INT, BITS_PER_UNIT*32, 32, 8, V8DImode) + +DEF_MACHMODE (V8QImode, "V8QI", MODE_VECTOR_INT, BITS_PER_UNIT*8, 8, 1, V4HImode) +DEF_MACHMODE (V8HImode, "V8HI", MODE_VECTOR_INT, BITS_PER_UNIT*16, 16, 2, V4SImode) +DEF_MACHMODE (V8SImode, "V8SI", MODE_VECTOR_INT, BITS_PER_UNIT*32, 32, 4, V4DImode) +DEF_MACHMODE (V8DImode, "V8DI", MODE_VECTOR_INT, BITS_PER_UNIT*64, 64, 8, VOIDmode) + +DEF_MACHMODE (V16QImode, "V16QI", MODE_VECTOR_INT, BITS_PER_UNIT*16, 16, 1, V8HImode) + +DEF_MACHMODE (V2SFmode, "V2SF", MODE_VECTOR_FLOAT, BITS_PER_UNIT*8, 8, 4, V4SFmode) +DEF_MACHMODE (V2DFmode, "V2DF", MODE_VECTOR_FLOAT, BITS_PER_UNIT*16, 16, 8, V8SFmode) + +DEF_MACHMODE (V4SFmode, "V4SF", MODE_VECTOR_FLOAT, BITS_PER_UNIT*16, 16, 4, V2DFmode) +DEF_MACHMODE (V4DFmode, "V4DF", MODE_VECTOR_FLOAT, BITS_PER_UNIT*32, 32, 8, V8DFmode) + +DEF_MACHMODE (V8SFmode, "V8SF", MODE_VECTOR_FLOAT, BITS_PER_UNIT*32, 32, 4,V4DFmode) +DEF_MACHMODE (V8DFmode, "V8DF", MODE_VECTOR_FLOAT, BITS_PER_UNIT*64, 64, 8, VOIDmode) /* BLKmode is used for structures, arrays, etc. that fit no more specific mode. */ -DEF_MACHMODE (BLKmode, "BLK", MODE_RANDOM, 0, 0, VOIDmode) +DEF_MACHMODE (BLKmode, "BLK", MODE_RANDOM, 0, 0, 0, VOIDmode) + +/* The modes for representing the condition codes come last. CCmode + is always defined. Additional modes for the condition code can be + specified in the EXTRA_CC_MODES macro. All MODE_CC modes are the + same width as SImode and have VOIDmode as their next wider mode. */ + +#define CC(E, M) DEF_MACHMODE (E, M, MODE_CC, BITS_PER_UNIT*4, 4, 4, VOIDmode) + +CC (CCmode, "CC") -/* The modes for representing the condition codes come last. CCmode is - always defined. Additional modes for the condition code can be specified - in the EXTRA_CC_MODES macro. Everything but the names of the modes - are copied from CCmode. For these modes, GET_MODE_WIDER_MODE points - to the next defined CC mode, if any. */ +#ifdef EXTRA_CC_MODES +EXTRA_CC_MODES +#endif -DEF_MACHMODE (CCmode, "CC", MODE_CC, 4, 4, VOIDmode) +#undef CC /* The symbol Pmode stands for one of the above machine modes (usually SImode). - The tm file specifies which one. It is not a distinct mode. */ + The tm file specifies which one. It is not a distinct mode. Nevertheless, + while processing the md file, we wish to treat as a distinct mode so that + it is preserved intact through to the insn-foo.c files. This eliminates a + lot of redundancy in ports that support both 32-bit and 64-bit targets. */ +#ifdef GENERATOR_FILE +#undef Pmode +DEF_MACHMODE (Pmode, "P", MODE_RANDOM, 0, 0, 0, VOIDmode) +#endif /* Local variables: |