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/* $OpenBSD: macdefs.h,v 1.1 2007/10/07 17:58:52 otto Exp $ */
/*
* Copyright (c) 2003 Anders Magnusson (ragge@ludd.luth.se).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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 OF LIABILITY, 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.
*/
/*
* Machine-dependent defines for both passes.
*/
/*
* Convert (multi-)character constant to integer.
* Assume: If only one value; store at left side (char size), otherwise
* treat it as an integer.
*/
#define makecc(val,i) { \
if (i == 0) { lastcon = val; \
} else if (i == 1) { lastcon = (lastcon << 9) | val; lastcon <<= 18; \
} else { lastcon |= (val << (27 - (i * 9))); } }
#define ARGINIT 36 /* # bits below fp where arguments start */
#define AUTOINIT 36 /* # bits above fp where automatics start */
/*
* Storage space requirements
*/
#define SZCHAR 9
#define SZINT 36
#define SZFLOAT 36
#define SZDOUBLE 72
#define SZLONG 36
#define SZSHORT 18
#define SZPOINT 36
#define SZLONGLONG 72
/*
* Alignment constraints
*/
#define ALCHAR 9
#define ALINT 36
#define ALFLOAT 36
#define ALDOUBLE 36
#define ALLONG 36
#define ALLONGLONG 36
#define ALSHORT 18
#define ALPOINT 36
#define ALSTRUCT 36
#define ALSTACK 36
/*
* Max values.
*/
#define MAX_INT 0377777777777LL
#define MAX_UNSIGNED 0777777777777ULL
#define MAX_LONG 0377777777777LL
#define MAX_ULONG 0777777777777ULL
#define MAX_LONGLONG 000777777777777777777777LL /* XXX cross */
#define MAX_ULONGLONG 001777777777777777777777ULL /* XXX cross */
/* Default char is unsigned */
#define CHAR_UNSIGNED
/*
* Use large-enough types.
*/
typedef long long CONSZ;
typedef unsigned long long U_CONSZ;
typedef long long OFFSZ;
#define CONFMT "0%llo" /* format for printing constants */
#define LABFMT "L%d" /* format for printing labels */
#define FPREG 016 /* frame pointer */
#define STKREG 017 /* stack pointer */
/*
* Maximum and minimum register variables
*/
#define MINRVAR 010 /* use 10 thru ... */
#define MAXRVAR 015 /* ... 15 */
#define PARAMS_UPWARD /* stack grows upwards for parameters */
#undef BACKAUTO /* stack grows negatively for automatics */
#undef BACKTEMP /* stack grows negatively for temporaries */
#define MYP2TREE(p) myp2tree(p);
#undef FIELDOPS /* no bit-field instructions */
#undef RTOLBYTES /* bytes are numbered left to right */
#define ENUMSIZE(high,low) INT /* enums are always stored in full int */
/* Definitions mostly used in pass2 */
#define REGSZ 020
#define TMPREG 016
#define BYTEOFF(x) ((x)&03)
#define wdal(k) (BYTEOFF(k)==0)
#define BITOOR(x) ((x)/36) /* bit offset to oreg offset */
#define STOARG(p)
#define STOFARG(p)
#define STOSTARG(p)
#define genfcall(a,b) gencall(a,b)
#define szty(t) (((t) == DOUBLE || (t) == FLOAT || \
(t) == LONGLONG || (t) == ULONGLONG) ? 2 : 1)
#define shltype(o, p) \
((o) == REG || (o) == NAME || (o) == ICON || \
(o) == OREG || ((o) == UMUL && shumul((p)->n_left)))
#define MYREADER(p) myreader(p)
#define MYCANON(p) mycanon(p)
#define MYOPTIM
#undef SPECIAL_INTEGERS
/*
* Special shapes used in code generation.
*/
#define SUSHCON (SPECIAL|6) /* unsigned short constant */
#define SNSHCON (SPECIAL|7) /* negative short constant */
#define SILDB (SPECIAL|8) /* use ildb here */
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