/* $Id: macdefs.h,v 1.6 2007/11/28 02:23:53 gmcgarry 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.
*/
/*
* MIPS port by Jan Enoksson (janeno-1@student.ltu.se) and
* Simon Olsson (simols-1@student.ltu.se) 2005.
*/
/*
* Machine-dependent defines for both passes.
*/
#if TARGOS == netbsd
#define USE_GAS
#endif
/*
* 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) lastcon = (lastcon<<8)|((val<<24)>>24);
#define ARGINIT (12*8) /* # bits above fp where arguments start */
#define AUTOINIT (0) /* # bits below fp where automatics start */
/*
* Storage space requirements
*/
#define SZCHAR 8
#define SZBOOL 32
#define SZINT 32
#define SZFLOAT 32
#define SZDOUBLE 64
#define SZLDOUBLE 128
#define SZLONG 32
#define SZSHORT 16
#define SZLONGLONG 64
#define SZPOINT(t) 32
/*
* Alignment constraints
*/
#define ALCHAR 8
#define ALBOOL 32
#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 32
#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 -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
#undef CHAR_UNSIGNED
#define BOOL_TYPE INT
#define WCHAR_TYPE INT
/*
* Use large-enough types.
*/
typedef long long CONSZ;
typedef unsigned long long U_CONSZ;
typedef long long OFFSZ;
#define CONFMT "%lld" /* format for printing constants */
#ifdef USE_GAS
#define LABFMT "$L%d" /* format for printing labels */
#define STABLBL "$LL%d" /* format for stab (debugging) labels */
#else
#define LABFMT "L%d" /* format for printing labels */
#define STABLBL "LL%d" /* format for stab (debugging) labels */
#endif
#define BACKAUTO /* stack grows negatively for automatics */
#define BACKTEMP /* stack grows negatively for temporaries */
#undef FIELDOPS /* no bit-field instructions */
#define RTOLBYTES /* bytes are numbered right to left */
#define ENUMSIZE(high,low) INT /* enums are always stored in full int */
/* Definitions mostly used in pass2 */
#define BYTEOFF(x) ((x)&03)
#define BITOOR(x) (x) /* bit offset to oreg offset */
#define szty(t) (((t) == DOUBLE || (t) == FLOAT || \
(t) == LONGLONG || (t) == ULONGLONG) ? 2 : 1)
/*
* Register names. These must match rnames[] and rstatus[] in local2.c.
*/
#define ZERO 0
#define AT 1
#define V0 2
#define V1 3
#define A0 4
#define A1 5
#define A2 6
#define A3 7
#if defined(MIPS_N32) || defined(MIPS_N64)
#define A4 8
#define A5 9
#define A6 10
#define A7 11
#define T0 12
#define T1 13
#define T2 14
#define T3 15
#else
#define T0 8
#define T1 9
#define T2 10
#define T3 11
#define T4 12
#define T5 13
#define T6 14
#define T7 15
#endif
#define S0 16
#define S1 17
#define S2 18
#define S3 19
#define S4 20
#define S5 21
#define S6 22
#define S7 23
#define T8 24
#define T9 25
#define K0 26
#define K1 27
#define GP 28
#define SP 29
#define FP 30
#define RA 31
#define V0V1 32
#define A0A1 33
#define A1A2 34
#define A2A3 35
#if defined(MIPS_N32) || defined(MIPS_N64)
#define A3A4 36
#define A4A5 37
#define A5A6 38
#define A6A7 39
#define T0T1 41
#define T1T2 42
#define T2T3 43
#else
#define T0T1 37
#define T1T2 38
#define T2T3 39
#define T3T4 40
#define T4T5 41
#define T5T6 42
#define T6T7 43
#endif
#define T8T9 44
#define S0S1 45
#define S1S2 46
#define S2S3 47
#define S3S4 48
#define S4S5 49
#define S5S6 50
#define S6S7 51
#define F0 52
#define F2 53
#define F4 54
#define F6 55
#define F8 56
#define F10 57
#define F12 58
#define F14 59
#define F16 68
#define F18 61
#define F20 62
#define F22 63
/* and the rest for later */
#define F24 64
#define F26 65
#define F28 66
#define F30 67
#define MAXREGS 64
#define NUMCLASS 3
#define RETREG(x) (DEUNSIGN(x) == LONGLONG ? V0V1 : \
(x) == DOUBLE || (x) == LDOUBLE || (x) == FLOAT ? \
F0 : V0)
#define FPREG FP /* frame pointer */
#define MIPS_N32_NARGREGS 8
#define MIPS_O32_NARGREGS 4
#define RSTATUS \
0, 0, \
SAREG|TEMPREG, SAREG|TEMPREG, \
SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, \
SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, \
SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, \
SAREG|PERMREG, SAREG|PERMREG, SAREG|PERMREG, SAREG|PERMREG, \
SAREG|PERMREG, SAREG|PERMREG, SAREG|PERMREG, SAREG|PERMREG, \
SAREG|TEMPREG, SAREG|TEMPREG, \
0, 0, \
0, 0, 0, 0, \
\
SBREG|TEMPREG, \
SBREG|TEMPREG, SBREG|TEMPREG, SBREG|TEMPREG, \
SBREG|TEMPREG, /* only available on n32/n64 */ \
SBREG|TEMPREG, SBREG|TEMPREG, SBREG|TEMPREG, \
SBREG|TEMPREG, /* only available on o32 */ \
SBREG|TEMPREG, \
SBREG|TEMPREG, SBREG|TEMPREG, SBREG|TEMPREG, \
SBREG, SBREG, SBREG, SBREG, \
SBREG, SBREG, SBREG, \
SCREG, SCREG, SCREG, SCREG, \
SCREG, SCREG, SCREG, SCREG, \
SCREG, SCREG, SCREG, SCREG, \
#define ROVERLAP \
{ -1 }, { -1 }, \
{ V0V1, -1 }, { V0V1, -1 }, \
{ A0A1, -1 }, \
{ A0A1, A1A2, -1 }, \
{ A1A2, A2A3, -1 }, \
{ A2A3, -1 }, \
\
{ T0T1, -1 }, \
{ T0T1, T1T2, -1 }, \
{ T1T2, T2T3, -1 }, \
{ T2T3, T3T4, -1 }, \
{ T3T4, T4T5, -1 }, \
{ T4T5, T5T6, -1 }, \
{ T5T6, T6T7, -1 }, \
{ T6T7, -1 }, \
\
{ S0S1, -1 }, \
{ S0S1, S1S2, -1 }, \
{ S1S2, S2S3, -1 }, \
{ S2S3, S3S4, -1 }, \
{ S3S4, S4S5, -1 }, \
{ S4S5, S5S6, -1 }, \
{ S5S6, S6S7, -1 }, \
{ S6S7, -1 }, \
\
{ T8T9, -1 }, \
{ T8T9, -1 }, \
\
{ -1 }, { -1 }, \
{ -1 }, { -1 }, { -1 }, { -1 }, \
\
{ V0, V1, -1 }, \
\
{ A0, A1, -1 }, \
{ A1, A2, -1 }, \
{ A2, A3, -1 }, \
\
{ -1 }, /* only useful on n32/n64 */ \
{ T0, T1, T1T2, -1 }, \
{ T1, T2, T0T1, T2T3, -1 }, \
{ T2, T3, T1T2, T3T4, -1 }, \
{ T3, T4, T2T3, T4T5, -1 }, /* only useful on o32 */ \
{ T4, T5, T3T4, T5T6, -1 }, \
{ T5, T6, T4T5, T6T7, -1 }, \
{ T6, T7, T5T6, -1 }, \
\
{ T8, T9, -1 }, \
\
{ S0, S1, S1S2, -1 }, \
{ S1, S2, S0S1, S2S3, -1 }, \
{ S2, S3, S1S2, S3S4, -1 }, \
{ S3, S4, S2S3, S4S5, -1 }, \
{ S4, S5, S3S4, S5S6, -1 }, \
{ S5, S6, S4S5, S6S7, -1 }, \
{ S6, S7, S5S6, -1 }, \
\
{ -1 }, { -1 }, { -1 }, { -1 }, \
{ -1 }, { -1 }, { -1 }, { -1 }, \
{ -1 }, { -1 }, { -1 }, { -1 }, \
#define GCLASS(x) (x < 32 ? CLASSA : (x < 52 ? CLASSB : CLASSC))
#define PCLASS(p) (1 << gclass((p)->n_type))
#define DECRA(x,y) (((x) >> (y*6)) & 63) /* decode encoded regs */
#define ENCRA(x,y) ((x) << (6+y*6)) /* encode regs in int */
int COLORMAP(int c, int *r);
extern int bigendian;
extern int nargregs;
#define TARGET_STDARGS
#define TARGET_BUILTINS \
{ "__builtin_stdarg_start", mips_builtin_stdarg_start }, \
{ "__builtin_va_arg", mips_builtin_va_arg }, \
{ "__builtin_va_end", mips_builtin_va_end }, \
{ "__builtin_va_copy", mips_builtin_va_copy },
struct node;
struct node *mips_builtin_stdarg_start(struct node *f, struct node *a);
struct node *mips_builtin_va_arg(struct node *f, struct node *a);
struct node *mips_builtin_va_end(struct node *f, struct node *a);
struct node *mips_builtin_va_copy(struct node *f, struct node *a);
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