Mercurial > hg > xemacs-beta
comparison src/m/powerpc.h @ 0:376386a54a3c r19-14
Import from CVS: tag r19-14
| author | cvs |
|---|---|
| date | Mon, 13 Aug 2007 08:45:50 +0200 |
| parents | |
| children | 538048ae2ab8 |
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| -1:000000000000 | 0:376386a54a3c |
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| 1 /* machine description file for Power PC | |
| 2 Copyright (C) 1987, 1994 Free Software Foundation, Inc. | |
| 3 Copyright (C) 1995 Board of Trustees, University of Illinois | |
| 4 | |
| 5 This file is part of XEmacs. | |
| 6 | |
| 7 XEmacs is free software; you can redistribute it and/or modify | |
| 8 it under the terms of the GNU General Public License as published by | |
| 9 the Free Software Foundation; either version 2, or (at your option) | |
| 10 any later version. | |
| 11 | |
| 12 XEmacs is distributed in the hope that it will be useful, | |
| 13 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 GNU General Public License for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with XEmacs; see the file COPYING. If not, write to | |
| 19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 20 Boston, MA 02111-1307, USA. */ | |
| 21 | |
| 22 /* The following line tells the configuration script what sort of | |
| 23 operating system this machine is likely to run. | |
| 24 USUAL-OPSYS="solaris2-5" */ | |
| 25 | |
| 26 #ifdef NOT_C_CODE | |
| 27 # define POWERPC | |
| 28 #else | |
| 29 # ifndef powerpc | |
| 30 # define powerpc | |
| 31 # endif | |
| 32 #endif | |
| 33 | |
| 34 #ifdef __GNUC__ | |
| 35 # define C_OPTIMIZE_SWITCH -O | |
| 36 #else | |
| 37 /* XEmacs change */ | |
| 38 # ifdef USE_LCC | |
| 39 # define C_OPTIMIZE_SWITCH -O4 -Oi | |
| 40 # else | |
| 41 /* This level of optimization is reported to work. */ | |
| 42 # define C_OPTIMIZE_SWITCH -O2 | |
| 43 # endif | |
| 44 #endif | |
| 45 | |
| 46 /* XINT must explicitly sign-extend */ | |
| 47 | |
| 48 #define EXPLICIT_SIGN_EXTEND | |
| 49 | |
| 50 /* Data type of load average, as read out of kmem. */ | |
| 51 | |
| 52 #define LOAD_AVE_TYPE long | |
| 53 | |
| 54 /* Convert that into an integer that is 100 for a load average of 1.0 */ | |
| 55 | |
| 56 #define LOAD_AVE_CVT(x) (int) (((double) (x)) * 100.0 / FSCALE) | |
| 57 | |
| 58 /* Define C_ALLOCA if this machine does not support a true alloca | |
| 59 and the one written in C should be used instead. | |
| 60 Define HAVE_ALLOCA to say that the system provides a properly | |
| 61 working alloca function and it should be used. | |
| 62 Define neither one if an assembler-language alloca | |
| 63 in the file alloca.s should be used. */ | |
| 64 | |
| 65 #define HAVE_ALLOCA | |
| 66 #ifndef NOT_C_CODE | |
| 67 #if __GNUC__ < 2 /* Modern versions of GCC handle alloca directly. */ | |
| 68 #include <alloca.h> | |
| 69 #endif | |
| 70 #endif | |
| 71 | |
| 72 /* Solaris defines alloca to __builtin_alloca & does not provide a prototype */ | |
| 73 #ifdef __SUNPRO_C | |
| 74 # ifndef NOT_C_CODE | |
| 75 # include <alloca.h> | |
| 76 # endif | |
| 77 #endif |