| 1 | /* $OpenBSD$ */
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| 2 |
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| 3 | /*
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| 4 | * Copyright (c) 2007 Michael Shalayeff
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| 5 | * Copyright (c) 2003 Anders Magnusson (ragge@ludd.luth.se).
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| 6 | * All rights reserved.
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| 7 | *
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| 8 | * Redistribution and use in source and binary forms, with or without
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| 9 | * modification, are permitted provided that the following conditions
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| 10 | * are met:
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| 11 | * 1. Redistributions of source code must retain the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer.
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| 13 | * 2. Redistributions in binary form must reproduce the above copyright
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| 14 | * notice, this list of conditions and the following disclaimer in the
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| 15 | * documentation and/or other materials provided with the distribution.
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| 16 | * 3. The name of the author may not be used to endorse or promote products
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| 17 | * derived from this software without specific prior written permission
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| 18 | *
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| 19 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 20 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 21 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 22 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 23 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 24 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 25 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 26 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 27 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 28 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 29 | */
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| 30 |
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| 31 | /*
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| 32 | * Convert (multi-)character constant to integer.
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| 33 | */
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| 34 | #define makecc(val,i) (lastcon = (lastcon<<8)|((val<<24)>>24))
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| 35 |
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| 36 | #define ARGINIT (32*8) /* bits below fp where args start */
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| 37 | #define AUTOINIT (4*8) /* bits above fp where locals start */
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| 38 |
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| 39 | /*
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| 40 | * storage sizes
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| 41 | */
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| 42 | #define SZCHAR 8
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| 43 | #define SZBOOL 8
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| 44 | #define SZINT 32
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| 45 | #define SZFLOAT 32
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| 46 | #define SZDOUBLE 64
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| 47 | #define SZLDOUBLE 64 /* or later 128 */
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| 48 | #define SZLONG 32
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| 49 | #define SZSHORT 16
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| 50 | #define SZLONGLONG 64
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| 51 | #define SZPOINT(t) 32
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| 52 |
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| 53 | /*
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| 54 | * alignment requirements
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| 55 | */
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| 56 | #define ALCHAR 8
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| 57 | #define ALBOOL 8
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| 58 | #define ALINT 32
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| 59 | #define ALFLOAT 32
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| 60 | #define ALDOUBLE 64
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| 61 | #define ALLDOUBLE 64 /* 128 later */
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| 62 | #define ALLONG 32
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| 63 | #define ALLONGLONG 32
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| 64 | #define ALSHORT 16
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| 65 | #define ALPOINT 32
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| 66 | #define ALSTRUCT 32
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| 67 | #define ALSTACK 64
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| 68 |
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| 69 | /*
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| 70 | * type value limits
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| 71 | */
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| 72 | #define MIN_CHAR -128
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| 73 | #define MAX_CHAR 127
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| 74 | #define MAX_UCHAR 255
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| 75 | #define MIN_SHORT -32768
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| 76 | #define MAX_SHORT 32767
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| 77 | #define MAX_USHORT 65535
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| 78 | #define MIN_INT (-0x7fffffff-1)
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| 79 | #define MAX_INT 0x7fffffff
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| 80 | #define MAX_UNSIGNED 0xffffffff
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| 81 | #define MIN_LONG MIN_INT
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| 82 | #define MAX_LONG MAX_INT
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| 83 | #define MAX_ULONG MAX_UNSIGNED
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| 84 | #define MIN_LONGLONG (-0x7fffffffffffffffLL-1)
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| 85 | #define MAX_LONGLONG 0x7fffffffffffffffLL
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| 86 | #define MAX_ULONGLONG 0xffffffffffffffffULL
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| 87 |
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| 88 | #undef CHAR_UNSIGNED
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| 89 | #define BOOL_TYPE CHAR
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| 90 | #define ENUMSIZE(high,low) INT
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| 91 |
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| 92 | typedef long long CONSZ;
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| 93 | typedef unsigned long long U_CONSZ;
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| 94 | typedef long long OFFSZ;
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| 95 |
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| 96 | #define CONFMT "%lld" /* format for printing constants */
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| 97 | #define LABFMT ".L%d" /* format for printing labels */
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| 98 | #define STABLBL ".LL%d" /* format for stab (debugging) labels */
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| 99 |
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| 100 | #undef BACKAUTO /* stack grows upwards */
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| 101 | #undef BACKTEMP /* stack grows upwards */
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| 102 |
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| 103 | #define FIELDOPS /* have bit field ops */
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| 104 | #define LTORBYTES /* big endian */
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| 105 |
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| 106 | #define BYTEOFF(x) ((x)&03)
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| 107 | #define wdal(k) (BYTEOFF(k)==0)
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| 108 | #define BITOOR(x) (x) /* bit offset to oreg offset XXX die! */
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| 109 |
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| 110 | #define STOARG(p)
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| 111 | #define STOFARG(p)
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| 112 | #define STOSTARG(p)
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| 113 |
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| 114 | #define szty(t) (((t) == DOUBLE || (t) == LONGLONG || (t) == ULONGLONG) ? 2 : \
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| 115 | (t) == LDOUBLE ? 2 : 1)
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| 116 |
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| 117 | #define R0 0
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| 118 | #define R1 1
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| 119 | #define RP 2
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| 120 | #define FP 3
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| 121 | #define R4 4
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| 122 | #define R5 5
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| 123 | #define R6 6
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| 124 | #define R7 7
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| 125 | #define R8 8
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| 126 | #define R9 9
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| 127 | #define R10 10
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| 128 | #define R11 11
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| 129 | #define R12 12
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| 130 | #define R13 13
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| 131 | #define R14 14
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| 132 | #define R15 15
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| 133 | #define R16 16
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| 134 | #define R17 17
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| 135 | #define R18 18
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| 136 | #define T4 19
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| 137 | #define T3 20
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| 138 | #define T2 21
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| 139 | #define T1 22
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| 140 | #define ARG3 23
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| 141 | #define ARG2 24
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| 142 | #define ARG1 25
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| 143 | #define ARG0 26
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| 144 | #define DP 27
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| 145 | #define RET0 28
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| 146 | #define RET1 29
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| 147 | #define SP 30
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| 148 | #define R31 31
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| 149 |
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| 150 | /* double regs overlay */
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| 151 | #define RD0 32 /* r0:r0 */
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| 152 | #define RD1 33 /* r1:r31 */
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| 153 | #define RD2 34 /* r1:t4 */
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| 154 | #define RD3 35 /* r1:t3 */
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| 155 | #define RD4 36 /* r1:t2 */
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| 156 | #define RD5 37 /* r1:t1 */
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| 157 | #define RD6 38 /* r31:t4 */
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| 158 | #define RD7 39 /* r31:t3 */
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| 159 | #define RD8 40 /* r31:t2 */
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| 160 | #define RD9 41 /* r31:t1 */
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| 161 | #define RD10 42 /* r4:r18 */
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| 162 | #define RD11 43 /* r5:r4 */
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| 163 | #define RD12 44 /* r6:r5 */
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| 164 | #define RD13 45 /* r7:r6 */
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| 165 | #define RD14 46 /* r8:r7 */
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| 166 | #define RD15 47 /* r9:r8 */
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| 167 | #define RD16 48 /* r10:r9 */
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| 168 | #define RD17 49 /* r11:r10 */
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| 169 | #define RD18 50 /* r12:r11 */
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| 170 | #define RD19 51 /* r13:r12 */
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| 171 | #define RD20 52 /* r14:r13 */
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| 172 | #define RD21 53 /* r15:r14 */
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| 173 | #define RD22 54 /* r16:r15 */
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| 174 | #define RD23 55 /* r17:r16 */
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| 175 | #define RD24 56 /* r18:r17 */
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| 176 | #define TD4 57 /* t1:t4 */
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| 177 | #define TD3 58 /* t4:t3 */
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| 178 | #define TD2 59 /* t3:t2 */
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| 179 | #define TD1 60 /* t2:t1 */
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| 180 | #define AD2 61 /* arg3:arg2 */
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| 181 | #define AD1 62 /* arg1:arg0 */
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| 182 | #define RETD0 63 /* ret1:ret0 */
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| 183 |
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| 184 | /* FPU regs */
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| 185 | #define FR0 64
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| 186 | #define FR4 65
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| 187 | #define FR5 66
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| 188 | #define FR6 67
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| 189 | #define FR7 68
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| 190 | #define FR8 69
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| 191 | #define FR9 70
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| 192 | #define FR10 71
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| 193 | #define FR11 72
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| 194 | #define FR12 73
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| 195 | #define FR13 74
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| 196 | #define FR14 75
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| 197 | #define FR15 76
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| 198 | #define FR16 77
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| 199 | #define FR17 78
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| 200 | #define FR18 79
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| 201 | #define FR19 80
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| 202 | #define FR20 81
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| 203 | #define FR21 82
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| 204 | #define FR22 83
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| 205 | #define FR23 84
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| 206 | #define FR24 85
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| 207 | #define FR25 86
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| 208 | #define FR26 87
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| 209 | #define FR27 88
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| 210 | #define FR28 89
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| 211 | #define FR29 90
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| 212 | #define FR30 91
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| 213 | #define FR31 92
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| 214 |
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| 215 | #define FR0L 93
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| 216 | #define FR0R 94
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| 217 | #define FR4L 95
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| 218 | #define FR4R 96
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| 219 | #define FR5L 97
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| 220 | #define FR5R 98
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| 221 | #define FR6L 99
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| 222 | #define FR6R 100
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| 223 | #define FR7L 101
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| 224 | #define FR7R 102
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| 225 | #define FR8L 103
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| 226 | #define FR8R 104
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| 227 | #define FR9L 105
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| 228 | #define FR9R 106
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| 229 | #define FR10L 107
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| 230 | #define FR10R 108
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| 231 | #define FR11L 109
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| 232 | #define FR11R 110
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| 233 | #define FR12L 111
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| 234 | #define FR12R 112
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| 235 | #define FR13L 113
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| 236 | #define FR13R 114
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| 237 | #define FR14L 115
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| 238 | #define FR14R 116
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| 239 | #define FR15L 117
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| 240 | #define FR15R 118
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| 241 | #define FR16L 119
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| 242 | #define FR16R 120
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| 243 | #define FR17L 121
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| 244 | #define FR17R 122
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| 245 | #define FR18L 123
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| 246 | #define FR18R 124
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| 247 | #ifdef __hppa64__
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| 248 | #define FR19L 125
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| 249 | #define FR19R 126
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| 250 | #define FR20L 127
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| 251 | #define FR20R 128
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| 252 | #define FR21L 129
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| 253 | #define FR21R 130
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| 254 | #define FR22L 131
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| 255 | #define FR22R 132
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| 256 | #define FR23L 133
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| 257 | #define FR23R 134
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| 258 | #define FR24L 135
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| 259 | #define FR24R 136
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| 260 | #define FR25L 137
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| 261 | #define FR25R 138
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| 262 | #define FR26L 139
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| 263 | #define FR26R 140
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| 264 | #define FR27L 141
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| 265 | #define FR27R 142
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| 266 | #define FR28L 143
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| 267 | #define FR28R 144
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| 268 | #define FR29L 145
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| 269 | #define FR29R 146
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| 270 | #define FR30L 147
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| 271 | #define FR30R 148
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| 272 | #define FR31L 149
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| 273 | #define FR31R 150
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| 274 |
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| 275 | #define MAXREGS 151
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| 276 | #else
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| 277 | #define MAXREGS 125
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| 278 | #endif
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| 279 |
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| 280 | #define RSTATUS \
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| 281 | 0, SAREG|TEMPREG, 0, 0, SAREG|PERMREG, SAREG|PERMREG, \
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| 282 | SAREG|PERMREG, SAREG|PERMREG, SAREG|PERMREG, SAREG|PERMREG, \
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| 283 | SAREG|PERMREG, SAREG|PERMREG, SAREG|PERMREG, SAREG|PERMREG, \
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| 284 | SAREG|PERMREG, SAREG|PERMREG, SAREG|PERMREG, SAREG|PERMREG, \
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| 285 | SAREG|PERMREG, \
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| 286 | SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, \
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| 287 | SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, SAREG|TEMPREG, \
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| 288 | 0, SAREG|TEMPREG, SAREG|TEMPREG, 0, SAREG|TEMPREG, \
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| 289 | /* double overlays */ \
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| 290 | 0, \
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| 291 | SBREG, SBREG, SBREG, SBREG, SBREG, SBREG, SBREG, SBREG, \
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| 292 | SBREG, SBREG, SBREG, SBREG, SBREG, SBREG, SBREG, SBREG, \
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| 293 | SBREG, SBREG, SBREG, SBREG, SBREG, SBREG, SBREG, SBREG, \
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| 294 | SBREG, SBREG, SBREG, SBREG, SBREG, SBREG, SBREG, \
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| 295 | /* double-precision floats */ \
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| 296 | 0, \
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| 297 | SDREG|TEMPREG, SDREG|TEMPREG, SDREG|TEMPREG, SDREG|TEMPREG, \
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| 298 | SDREG|TEMPREG, SDREG|TEMPREG, SDREG|TEMPREG, SDREG|TEMPREG, \
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| 299 | SDREG|PERMREG, SDREG|PERMREG, SDREG|PERMREG, SDREG|PERMREG, \
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| 300 | SDREG|PERMREG, SDREG|PERMREG, SDREG|PERMREG, SDREG|PERMREG, \
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| 301 | SDREG|PERMREG, SDREG|PERMREG, \
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| 302 | SDREG|TEMPREG, SDREG|TEMPREG, SDREG|TEMPREG, SDREG|TEMPREG, \
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| 303 | SDREG|TEMPREG, SDREG|TEMPREG, SDREG|TEMPREG, SDREG|TEMPREG, \
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| 304 | SDREG|TEMPREG, SDREG|TEMPREG, \
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| 305 | /* single-precision floats */ \
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| 306 | 0, 0, \
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| 307 | SCREG, SCREG, SCREG, SCREG, SCREG, SCREG, SCREG, SCREG, \
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| 308 | SCREG, SCREG, SCREG, SCREG, SCREG, SCREG, SCREG, SCREG, \
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| 309 | SCREG, SCREG, SCREG, SCREG, SCREG, SCREG, SCREG, SCREG, \
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| 310 | SCREG, SCREG, SCREG, SCREG, SCREG, SCREG,
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| 311 | #ifdef __hppa64__
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| 312 | SCREG, SCREG, \
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| 313 | SCREG, SCREG, SCREG, SCREG, SCREG, SCREG, SCREG, SCREG, \
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| 314 | SCREG, SCREG, SCREG, SCREG, SCREG, SCREG, SCREG, SCREG, \
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| 315 | SCREG, SCREG, SCREG, SCREG, SCREG, SCREG, SCREG, SCREG,
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| 316 | #endif
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| 317 |
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| 318 | #define ROVERLAP \
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| 319 | { -1 }, \
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| 320 | { RD1, RD2, RD3, RD4, RD5, -1 },\
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| 321 | { -1 }, { -1 }, \
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| 322 | { RD10, RD11, -1 }, \
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| 323 | { RD11, RD12, -1 }, \
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| 324 | { RD12, RD13, -1 }, \
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| 325 | { RD13, RD14, -1 }, \
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| 326 | { RD14, RD15, -1 }, \
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| 327 | { RD15, RD16, -1 }, \
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| 328 | { RD16, RD17, -1 }, \
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| 329 | { RD17, RD18, -1 }, \
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| 330 | { RD18, RD19, -1 }, \
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| 331 | { RD19, RD20, -1 }, \
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| 332 | { RD20, RD21, -1 }, \
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| 333 | { RD21, RD22, -1 }, \
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| 334 | { RD22, RD23, -1 }, \
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| 335 | { RD23, RD24, -1 }, \
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| 336 | { RD24, RD10, -1 }, \
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| 337 | { TD1, TD4, -1 }, \
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| 338 | { TD3, TD2, -1 }, \
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| 339 | { TD1, TD2, -1 }, \
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| 340 | { TD1, TD4, -1 }, \
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| 341 | { AD2, -1 }, { AD2, -1 }, \
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| 342 | { AD1, -1 }, { AD1, -1 }, \
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| 343 | { -1 }, \
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| 344 | { RETD0, -1 }, { RETD0, -1 }, \
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| 345 | { -1 }, \
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| 346 | { RD1, RD5, RD6, RD7, RD8, -1 },\
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| 347 | { -1 }, \
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| 348 | { R1, R31, -1 }, \
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| 349 | { R1, T4, -1 }, \
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| 350 | { R1, T3, -1 }, \
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| 351 | { R1, T2, -1 }, \
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| 352 | { R1, T1, -1 }, \
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| 353 | { R31, T4, -1 }, \
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| 354 | { R31, T3, -1 }, \
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| 355 | { R31, T2, -1 }, \
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| 356 | { R31, T1, -1 }, \
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| 357 | { R4, R18, -1 }, \
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| 358 | { R5, R4, -1 }, \
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| 359 | { R6, R5, -1 }, \
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| 360 | { R7, R6, -1 }, \
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| 361 | { R8, R7, -1 }, \
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| 362 | { R9, R8, -1 }, \
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| 363 | { R10, R9, -1 }, \
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| 364 | { R11, R10, -1 }, \
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| 365 | { R12, R11, -1 }, \
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| 366 | { R13, R12, -1 }, \
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| 367 | { R14, R15, -1 }, \
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| 368 | { R15, R14, -1 }, \
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| 369 | { R16, R15, -1 }, \
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| 370 | { R17, R16, -1 }, \
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| 371 | { R18, R17, -1 }, \
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| 372 | { T1, T4, -1 }, \
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| 373 | { T4, T3, -1 }, \
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| 374 | { T3, T2, -1 }, \
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| 375 | { T2, T1, -1 }, \
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| 376 | { ARG3, ARG2, -1 }, \
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| 377 | { ARG1, ARG0, -1 }, \
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| 378 | { RET1, RET0, -1 }, \
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| 379 | { -1 }, \
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| 380 | { FR4L, FR4R, -1 }, \
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| 381 | { FR5L, FR5R, -1 }, \
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| 382 | { FR6L, FR6R, -1 }, \
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| 383 | { FR7L, FR7R, -1 }, \
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| 384 | { FR8L, FR8R, -1 }, \
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| 385 | { FR9L, FR9R, -1 }, \
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| 386 | { FR10L, FR10R, -1 }, \
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| 387 | { FR11L, FR11R, -1 }, \
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| 388 | { FR12L, FR12R, -1 }, \
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| 389 | { FR13L, FR13R, -1 }, \
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| 390 | { FR14L, FR14R, -1 }, \
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| 391 | { FR15L, FR15R, -1 }, \
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| 392 | { FR16L, FR16R, -1 }, \
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| 393 | { FR17L, FR17R, -1 }, \
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| 394 | { FR18L, FR18R, -1 }, \
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| 395 | { -1 }, \
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| 396 | { -1 }, \
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| 397 | { -1 }, \
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| 398 | { -1 }, \
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| 399 | { -1 }, \
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| 400 | { -1 }, \
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| 401 | { -1 }, \
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| 402 | { -1 }, \
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| 403 | { -1 }, \
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| 404 | { -1 }, \
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| 405 | { -1 }, \
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| 406 | { -1 }, \
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| 407 | { -1 }, \
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| 408 | { -1 }, { -1 }, \
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| 409 | { FR4, -1 }, { FR4, -1 }, \
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| 410 | { FR5, -1 }, { FR5, -1 }, \
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| 411 | { FR6, -1 }, { FR6, -1 }, \
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| 412 | { FR7, -1 }, { FR7, -1 }, \
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| 413 | { FR8, -1 }, { FR8, -1 }, \
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| 414 | { FR9, -1 }, { FR9, -1 }, \
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| 415 | { FR10, -1 }, { FR10, -1 }, \
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| 416 | { FR11, -1 }, { FR11, -1 }, \
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| 417 | { FR12, -1 }, { FR12, -1 }, \
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| 418 | { FR13, -1 }, { FR13, -1 }, \
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| 419 | { FR14, -1 }, { FR14, -1 }, \
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| 420 | { FR15, -1 }, { FR15, -1 }, \
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| 421 | { FR16, -1 }, { FR16, -1 }, \
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| 422 | { FR17, -1 }, { FR17, -1 }, \
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| 423 | { FR18, -1 }, { FR18, -1 },
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| 424 | #ifdef __hppa64__
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| 425 | { FR19, -1 }, { FR19, -1 }, \
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| 426 | { FR20, -1 }, { FR20, -1 }, \
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| 427 | { FR21, -1 }, { FR21, -1 }, \
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| 428 | { FR22, -1 }, { FR22, -1 }, \
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| 429 | { FR23, -1 }, { FR23, -1 }, \
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| 430 | { FR24, -1 }, { FR24, -1 }, \
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| 431 | { FR25, -1 }, { FR25, -1 }, \
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| 432 | { FR26, -1 }, { FR26, -1 }, \
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| 433 | { FR27, -1 }, { FR27, -1 }, \
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| 434 | { FR28, -1 }, { FR28, -1 }, \
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| 435 | { FR29, -1 }, { FR29, -1 }, \
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| 436 | { FR30, -1 }, { FR30, -1 }, \
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| 437 | { FR31, -1 }, { FR31, -1 },
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| 438 | #endif
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| 439 |
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| 440 | #define PCLASS(p) \
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| 441 | (p->n_type == LONGLONG || p->n_type == ULONGLONG ? SBREG : \
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| 442 | (p->n_type == FLOAT ? SCREG : \
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| 443 | (p->n_type == DOUBLE || p->n_type == LDOUBLE ? SDREG : SAREG)))
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| 444 |
|
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| 445 | #define NUMCLASS 4 /* highest number of reg classes used */
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| 446 |
|
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| 447 | int COLORMAP(int c, int *r);
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| 448 | #define PERMTYPE(x) ((x) < 32? INT : ((x) < 64? LONGLONG : ((x) < 93? LDOUBLE : FLOAT)))
|
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| 449 | #define GCLASS(x) ((x) < 32? CLASSA : ((x) < 64? CLASSB : ((x) < 93? CLASSD : CLASSC)))
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| 450 | #define DECRA(x,y) (((x) >> (y*8)) & 255) /* decode encoded regs */
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| 451 | #define ENCRD(x) (x) /* Encode dest reg in n_reg */
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| 452 | #define ENCRA1(x) ((x) << 8) /* A1 */
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|---|
| 453 | #define ENCRA2(x) ((x) << 16) /* A2 */
|
|---|
| 454 | #define ENCRA(x,y) ((x) << (8+y*8)) /* encode regs in int */
|
|---|
| 455 | #define RETREG(x) (x == LONGLONG || x == ULONGLONG ? RETD0 : \
|
|---|
| 456 | x == FLOAT? FR4L : \
|
|---|
| 457 | x == DOUBLE || x == LDOUBLE ? FR4 : RET0)
|
|---|
| 458 |
|
|---|
| 459 | #define FPREG FP /* frame pointer */
|
|---|
| 460 | #define STKREG SP /* stack pointer */
|
|---|
| 461 |
|
|---|
| 462 | #define MYREADER(p) myreader(p)
|
|---|
| 463 | #define MYCANON(p) mycanon(p)
|
|---|
| 464 | #define MYOPTIM
|
|---|
| 465 |
|
|---|
| 466 | #define SFUNCALL (MAXSPECIAL+1) /* struct assign after function call */
|
|---|
| 467 | #define SPCNHI (MAXSPECIAL+2) /* high 21bits constant */
|
|---|
| 468 | #define SPCON (MAXSPECIAL+3) /* smaller constant */
|
|---|
| 469 | #define SPICON (MAXSPECIAL+4) /* even smaller constant */
|
|---|
| 470 | #define SPCNHW (MAXSPECIAL+5) /* LL const w/ 0 in low word */
|
|---|
| 471 | #define SPCNLW (MAXSPECIAL+6) /* LL const w/ 0 in high word */
|
|---|
| 472 | #define SPIMM (MAXSPECIAL+7) /* immidiate const for depi/comib */
|
|---|
| 473 | #define SPNAME (MAXSPECIAL+8) /* ext symbol reference load/store */
|
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