| instr.h (96422) | instr.h (96491) |
|---|---|
| 1/* 2 * Copyright (c) 1994 David S. Miller, davem@nadzieja.rutgers.edu 3 * Copyright (c) 1995 Paul Kranenburg 4 * Copyright (c) 2001 Thomas Moestl <tmm@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 17 unchanged lines hidden (view full) --- 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 * 32 * from: NetBSD: db_disasm.c,v 1.9 2000/08/16 11:29:42 pk Exp 33 * | 1/* 2 * Copyright (c) 1994 David S. Miller, davem@nadzieja.rutgers.edu 3 * Copyright (c) 1995 Paul Kranenburg 4 * Copyright (c) 2001 Thomas Moestl <tmm@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions --- 17 unchanged lines hidden (view full) --- 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 * 32 * from: NetBSD: db_disasm.c,v 1.9 2000/08/16 11:29:42 pk Exp 33 * |
| 34 * $FreeBSD: head/sys/sparc64/include/instr.h 96422 2002-05-11 21:20:05Z jake $ | 34 * $FreeBSD: head/sys/sparc64/include/instr.h 96491 2002-05-13 04:26:38Z jake $ |
| 35 */ 36 37#ifndef _MACHINE_INSTR_H_ 38#define _MACHINE_INSTR_H_ 39 40/* 41 * Definitions for all instruction formats 42 */ --- 100 unchanged lines hidden (view full) --- 143/* Extract a field */ 144#define IF_MASK(s, w) (((1 << (w)) - 1) << (s)) 145#define IF_EXTRACT(x, s, w) (((x) & IF_MASK((s), (w))) >> (s)) 146#define IF_DECODE(x, f) \ 147 IF_EXTRACT((x), IF_ ## f ## _SHIFT, IF_ ## f ## _BITS) 148 149/* Sign-extend a field of width W */ 150#define IF_SEXT(x, w) \ | 35 */ 36 37#ifndef _MACHINE_INSTR_H_ 38#define _MACHINE_INSTR_H_ 39 40/* 41 * Definitions for all instruction formats 42 */ --- 100 unchanged lines hidden (view full) --- 143/* Extract a field */ 144#define IF_MASK(s, w) (((1 << (w)) - 1) << (s)) 145#define IF_EXTRACT(x, s, w) (((x) & IF_MASK((s), (w))) >> (s)) 146#define IF_DECODE(x, f) \ 147 IF_EXTRACT((x), IF_ ## f ## _SHIFT, IF_ ## f ## _BITS) 148 149/* Sign-extend a field of width W */ 150#define IF_SEXT(x, w) \ |
| 151 (((x) & (1 << ((w) - 1))) != 0 ? (-1L - ((x) ^ ((1 << (w)) - 1))) : (x)) | 151 (((x) & (1L << ((w) - 1))) != 0 ? \ 152 (-1L - ((x) ^ ((1L << (w)) - 1))) : (x)) |
| 152 153#if 0 154/* 155 * The following C variant is from db_disassemble.c, and surely faster, but it 156 * relies on behaviour that is undefined by the C standard (>> in conjunction 157 * with signed negative arguments). 158 */ 159#define IF_SEXT(v, w) ((((long long)(v)) << (64 - w)) >> (64 - w)) --- 449 unchanged lines hidden --- | 153 154#if 0 155/* 156 * The following C variant is from db_disassemble.c, and surely faster, but it 157 * relies on behaviour that is undefined by the C standard (>> in conjunction 158 * with signed negative arguments). 159 */ 160#define IF_SEXT(v, w) ((((long long)(v)) << (64 - w)) >> (64 - w)) --- 449 unchanged lines hidden --- |