OpenBSD-4.6/usr.bin/pcc/vax/macdefs.h
/* $OpenBSD: macdefs.h,v 1.3 2007/11/17 12:00:37 ragge Exp $ */
/*
* Copyright(C) Caldera International Inc. 2001-2002. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* Redistributions of source code and documentation must retain the above
* copyright notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditionsand the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed or owned by Caldera
* International, Inc.
* Neither the name of Caldera International, Inc. nor the names of other
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* USE OF THE SOFTWARE PROVIDED FOR UNDER THIS LICENSE BY CALDERA
* INTERNATIONAL, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL CALDERA INTERNATIONAL, INC. BE LIABLE
* FOR ANY DIRECT, INDIRECT INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OFLIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
# define makecc(val,i) lastcon = (lastcon<<8)|((val<<24)>>24);
# define ARGINIT 32
# define AUTOINIT 0
# define SZCHAR 8
# define SZBOOL 8
# define SZINT 32
# define SZFLOAT 32
# define SZDOUBLE 64
# define SZLDOUBLE 64 /* XXX use longer? */
# define SZLONG 32
# define SZLONGLONG 64
# define SZSHORT 16
# define SZPOINT(t) 32
# define ALCHAR 8
# define ALBOOL 8
# define ALINT 32
# define ALFLOAT 32
# define ALDOUBLE 32
# define ALLDOUBLE 32
# define ALLONG 32
# define ALLONGLONG 32
# define ALSHORT 16
# define ALPOINT 32
# define ALSTRUCT 8
# define ALSTACK 32
/*
* Min/max values.
*/
#define MIN_CHAR -128
#define MAX_CHAR 127
#define MAX_UCHAR 255
#define MIN_SHORT -32768
#define MAX_SHORT 32767
#define MAX_USHORT 65535
#define MIN_INT (-0x7fffffff-1)
#define MAX_INT 0x7fffffff
#define MAX_UNSIGNED 0xffffffff
#define MIN_LONG MIN_INT
#define MAX_LONG MAX_INT
#define MAX_ULONG MAX_UNSIGNED
#define MIN_LONGLONG 0x8000000000000000LL
#define MAX_LONGLONG 0x7fffffffffffffffLL
#define MAX_ULONGLONG 0xffffffffffffffffULL
/* Default char is signed */
#undef CHAR_UNSIGNED
#define BOOL_TYPE CHAR /* what used to store _Bool */
#define WCHAR_TYPE INT /* what used to store wchar_t */
/* size in which constants are converted */
/* should be long if feasable */
typedef long long CONSZ;
typedef unsigned long long U_CONSZ;
# define CONFMT "%lld"
# define LABFMT ".L%d"
# define STABLBL ".LL%d"
/* size in which offsets are kept
* should be large enough to cover address space in bits
*/
typedef long long OFFSZ;
/* character set macro */
# define CCTRANS(x) x
/* register cookie for stack poINTer */
# define STKREG 13
# define ARGREG 12
/* maximum and minimum register variables */
# define MAXRVAR 11
# define MINRVAR 6
/* show stack grows negatively */
#define BACKAUTO
#define BACKTEMP
/* show field hardware support on VAX */
#define FIELDOPS
/* bytes are numbered from right to left */
#define RTOLBYTES
/* we want prtree included */
# define STDPRTREE
# ifndef FORT
# define ONEPASS
#endif
# define ENUMSIZE(high,low) INT
/* VAX-11/780 Registers */
/* scratch registers */
# define R0 0
# define R1 1
# define R2 2
# define R3 3
# define R4 4
# define R5 5
/* register variables */
# define R6 6
# define R7 7
# define R8 8
# define R9 9
# define R10 10
# define R11 11
/* special purpose */
# define AP 12 /* argument pointer */
# define FP 13 /* frame pointer */
# define SP 14 /* stack pointer */
# define PC 15 /* program counter */
/* floating registers */
/* there are no floating point registers on the VAX */
/* but there are concatenated regs */
/* we call them XR? */
#define XR0 16
#define XR1 17
#define XR2 18
#define XR3 19
#define XR4 20
#define XR5 21
#define XR6 22
#define XR7 23
#define XR8 24
#define XR9 25
#define XR10 26
extern int fregs;
extern int maxargs;
# define BYTEOFF(x) ((x)&03)
# define wdal(k) (BYTEOFF(k)==0)
# define BITOOR(x) ((x)>>3) /* bit offset to oreg offset */
# define REGSZ 16
# define TMPREG FP
//# define R2REGS /* permit double indexing */
# define STOARG(p) /* just evaluate the arguments, and be done with it... */
# define STOFARG(p)
# define STOSTARG(p)
# define genfcall(a,b) gencall(a,b)
# define NESTCALL
/*
* Register allocator stuff.
* The register allocator sees this as 16 general regs (AREGs)
* and 11 64-bit concatenated regs. (BREGs)
*/
#define MAXREGS 033 /* 27 registers */
#define RSTATUS \
SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, \
SAREG|TEMPREG, SAREG|TEMPREG, SAREG|PERMREG, SAREG|PERMREG, \
SAREG|PERMREG, SAREG|PERMREG, SAREG|PERMREG, SAREG|PERMREG, \
0, 0, 0, 0, /* do not care about ap, fp, sp or pc */ \
SBREG, SBREG, SBREG, SBREG, SBREG, SBREG, SBREG, SBREG, \
SBREG, SBREG, SBREG,
#define ROVERLAP \
{ XR0, -1 }, \
{ XR0, XR1, -1 }, \
{ XR1, XR2, -1 }, \
{ XR2, XR3, -1 }, \
{ XR3, XR4, -1 }, \
{ XR4, XR5, -1 }, \
{ XR5, XR6, -1 }, \
{ XR6, XR7, -1 }, \
{ XR7, XR8, -1 }, \
{ XR8, XR9, -1 }, \
{ XR9, XR10, -1 }, \
{ XR10, -1 }, \
{ -1 }, \
{ -1 }, \
{ -1 }, \
{ -1 }, \
{ R0, R1, XR1, -1 }, \
{ R1, R2, XR0, XR2, -1 }, \
{ R2, R3, XR1, XR3, -1 }, \
{ R3, R4, XR2, XR4, -1 }, \
{ R4, R5, XR3, XR5, -1 }, \
{ R5, R6, XR4, XR6, -1 }, \
{ R6, R7, XR5, XR7, -1 }, \
{ R7, R8, XR6, XR8, -1 }, \
{ R8, R9, XR7, XR9, -1 }, \
{ R9, R10, XR8, XR10, -1 }, \
{ R10, R11, XR9, -1 },
#define NUMCLASS 2 /* highest number of reg classes used */
/* size, in registers, needed to hold thing of type t */
#define szty(t) (((t) == DOUBLE || (t) == LDOUBLE || (t) == FLOAT || \
(t) == LONGLONG || (t) == ULONGLONG) ? 2 : 1)
#define FPREG FP /* frame pointer */
#define DECRA(x,y) (((x) >> (y*6)) & 63) /* decode encoded regs */
#define ENCRD(x) (x) /* Encode dest reg in n_reg */
#define ENCRA1(x) ((x) << 6) /* A1 */
#define ENCRA2(x) ((x) << 12) /* A2 */
#define ENCRA(x,y) ((x) << (6+y*6)) /* encode regs in int */
#define PCLASS(p) (szty(p->n_type) == 2 ? SBREG : SAREG)
#define RETREG(x) (szty(x) == 2 ? XR0 : R0)
#define GCLASS(x) (x < XR0 ? CLASSA : CLASSB)
int COLORMAP(int c, int *r);
#define SNCON (MAXSPECIAL+1) /* named constand */