Annotation of GNUtools/cc/config/convex/convex.h, revision 1.1

1.1     ! root        1: /* Definitions of target machine for GNU compiler.  Convex version.
        !             2:    Copyright (C) 1988, 1993 Free Software Foundation, Inc.
        !             3: 
        !             4: This file is part of GNU CC.
        !             5: 
        !             6: GNU CC is free software; you can redistribute it and/or modify
        !             7: it under the terms of the GNU General Public License as published by
        !             8: the Free Software Foundation; either version 2, or (at your option)
        !             9: any later version.
        !            10: 
        !            11: GNU CC is distributed in the hope that it will be useful,
        !            12: but WITHOUT ANY WARRANTY; without even the implied warranty of
        !            13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
        !            14: GNU General Public License for more details.
        !            15: 
        !            16: You should have received a copy of the GNU General Public License
        !            17: along with GNU CC; see the file COPYING.  If not, write to
        !            18: the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
        !            19: 
        !            20: 
        !            21: /* Standard GCC variables that we reference. */
        !            22: 
        !            23: extern int target_flags;
        !            24: 
        !            25: /* Convex machine-specific flags
        !            26:    -mc1                      target instruction set, libraries, scheduling 
        !            27:    -mc2        
        !            28:    -mc32
        !            29:    -mc34
        !            30:    -mc38
        !            31:    -margcount        use standard calling sequence, with arg count word
        !            32:    -mno-argcount      don't push arg count, depend on symbol table
        !            33:    -margcount-nop     place arg count in a nop instruction (faster than push)
        !            34:    -mvolatile-cache   use data cache for volatile mem refs (default)
        !            35:    -mvolatile-nocache  bypass data cache for volatile mem refs
        !            36:    -mlong32          cc- and libc-compatible 32-bit longs
        !            37:    -mlong64          64-bit longs
        !            38: */
        !            39: 
        !            40: /* Macro to define tables used to set -mXXX flags.
        !            41:    This is a list in braces of pairs in braces,
        !            42:    each pair being { "NAME", VALUE }
        !            43:    where VALUE is the bits to set or minus the bits to clear.
        !            44:    An empty string NAME is used to identify the default VALUE.  */
        !            45: 
        !            46: #ifndef TARGET_DEFAULT
        !            47: #error Use one of convex1.h, convex2.h, etc.
        !            48: #endif
        !            49: 
        !            50: #define TARGET_SWITCHES \
        !            51:   { { "c1", 001 },     \
        !            52:     { "c2", 002 },     \
        !            53:     { "c32", 004 },    \
        !            54:     { "c34", 010 },    \
        !            55:     { "c38", 020 },    \
        !            56:     { "argcount", 0100 }, \
        !            57:     { "argcount-nop", 0200 }, \
        !            58:     { "no-argcount", -0300 }, \
        !            59:     { "volatile-cache", -0400 }, \
        !            60:     { "no-volatile-cache", 0400 }, \
        !            61:     { "volatile-nocache", 0400 }, \
        !            62:     { "long64", 01000 }, \
        !            63:     { "long32", -01000 }, \
        !            64:     { "", TARGET_DEFAULT }}
        !            65: 
        !            66: /* Macros used in the machine description to test the flags.  */
        !            67: 
        !            68: #define TARGET_C1 (target_cpu == 0)
        !            69: #define TARGET_C2 (target_cpu == 1)
        !            70: #define TARGET_C34 (target_cpu == 2)
        !            71: #define TARGET_C38 (target_cpu == 3)
        !            72: #define TARGET_ARGCOUNT (target_flags & 0100)
        !            73: #define TARGET_ARGCOUNT_NOP (target_flags & 0200)
        !            74: #define TARGET_LONG64 (target_flags & 01000)
        !            75: #define TARGET_VOLATILE_NOCACHE (target_flags & 0400)
        !            76: 
        !            77: #define OVERRIDE_OPTIONS                                               \
        !            78: {                                                                      \
        !            79:   extern int dollars_in_ident;                                         \
        !            80:   init_convex ();                                                      \
        !            81:   /* To compile system header files, allow $ in identifiers even if -ansi */ \
        !            82:   dollars_in_ident = 1;                                                        \
        !            83:   if ((target_flags & 077) != (TARGET_DEFAULT & 077))                  \
        !            84:     target_flags &= ~TARGET_DEFAULT;                                   \
        !            85:   if (target_flags & 001)                                              \
        !            86:     target_cpu = 0;                                                    \
        !            87:   else if (target_flags & 006)                                         \
        !            88:     target_cpu = 1;                                                    \
        !            89:   else if (target_flags & 010)                                         \
        !            90:     target_cpu = 2;                                                    \
        !            91:   else if (target_flags & 020)                                         \
        !            92:     target_cpu = 3;                                                    \
        !            93: }
        !            94: 
        !            95: /* Names to predefine in the preprocessor for this target machine.  */
        !            96: 
        !            97: #define CPP_PREDEFINES "-Dconvex -Dunix -Asystem(unix) -Acpu(convex) -Amachine(convex)"
        !            98: 
        !            99: /* Print subsidiary information on the compiler version in use.  */
        !           100: 
        !           101: #define TARGET_VERSION fprintf (stderr, " (convex)");
        !           102: 
        !           103: /* Target-dependent specs.
        !           104:    Some libraries come in c1 and c2+ versions; use the appropriate ones.
        !           105:    Make a target-dependent __convex_cxx__ define to relay the target cpu
        !           106:    to the program being compiled. */
        !           107: 
        !           108: #if TARGET_DEFAULT & 1
        !           109: 
        !           110: /* C1 default */
        !           111: 
        !           112: #if _IEEE_FLOAT_
        !           113: 
        !           114: #define CPP_SPEC                                                       \
        !           115: "%{!mc2:%{!mc32:%{!mc34:%{!mc38:-D__convex_c1__}}}}                    \
        !           116:  %{mc2:-D__convex_c2__}                                                        \
        !           117:  %{mc32:-D__convex_c32__}                                              \
        !           118:  %{mc34:-D__convex_c34__}                                              \
        !           119:  %{mc38:-D__convex_c38__}                                              \
        !           120:  %{fno-builtin:-D__NO_INLINE}                                          \
        !           121:  -D__NO_INLINE_MATH -D__NO_INLINE_STDLIB                               \
        !           122:  -D_IEEE_FLOAT_                                                                \
        !           123:  %{.S:-P}                                                              \
        !           124:  %{!traditional:-D__stdc__}                                            \
        !           125:  %{!traditional:-D_LONGLONG}                                           \
        !           126:  %{!traditional:-Ds64_t=long\\ long -Du64_t=unsigned\\ long\\ long}    \
        !           127:  %{!ansi:-D_POSIX_SOURCE}                                              \
        !           128:  %{!ansi:-D_CONVEX_SOURCE}"
        !           129: 
        !           130: #else
        !           131: 
        !           132: #define CPP_SPEC                                                       \
        !           133: "%{!mc2:%{!mc32:%{!mc34:%{!mc38:-D__convex_c1__}}}}                    \
        !           134:  %{mc2:-D__convex_c2__}                                                        \
        !           135:  %{mc32:-D__convex_c32__}                                              \
        !           136:  %{mc34:-D__convex_c34__}                                              \
        !           137:  %{mc38:-D__convex_c38__}                                              \
        !           138:  %{fno-builtin:-D__NO_INLINE}                                          \
        !           139:  -D__NO_INLINE_MATH -D__NO_INLINE_STDLIB                               \
        !           140:  -D_CONVEX_FLOAT_                                                      \
        !           141:  %{.S:-P}                                                              \
        !           142:  %{!traditional:-D__stdc__}                                            \
        !           143:  %{!traditional:-D_LONGLONG}                                           \
        !           144:  %{!traditional:-Ds64_t=long\\ long -Du64_t=unsigned\\ long\\ long}    \
        !           145:  %{!ansi:-D_POSIX_SOURCE}                                              \
        !           146:  %{!ansi:-D_CONVEX_SOURCE}"
        !           147: 
        !           148: #endif
        !           149: 
        !           150: #define LIB_SPEC                                                       \
        !           151: "%{!mc2:%{!mc32:%{!mc34:%{!mc38:-lC1%{traditional:_old}%{p:_p}%{pg:_p}}}}} \
        !           152:  %{mc2:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}                         \
        !           153:  %{mc32:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}                                \
        !           154:  %{mc34:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}                                \
        !           155:  %{mc38:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}                                \
        !           156:  -lc%{traditional:_old}%{p:_p}%{pg:_p}"
        !           157: 
        !           158: #endif
        !           159: 
        !           160: #if TARGET_DEFAULT & 2
        !           161: 
        !           162: /* C2 default */
        !           163: 
        !           164: #if _IEEE_FLOAT_
        !           165: 
        !           166: #define CPP_SPEC                                                       \
        !           167: "%{mc1:-D__convex_c1__}                                                        \
        !           168:  %{!mc1:%{!mc32:%{!mc34:%{!mc38:-D__convex_c2__}}}}                    \
        !           169:  %{mc32:-D__convex_c32__}                                              \
        !           170:  %{mc34:-D__convex_c34__}                                              \
        !           171:  %{mc38:-D__convex_c38__}                                              \
        !           172:  %{fno-builtin:-D__NO_INLINE}                                          \
        !           173:  -D__NO_INLINE_MATH -D__NO_INLINE_STDLIB                               \
        !           174:  -D_IEEE_FLOAT_                                                                \
        !           175:  %{.S:-P}                                                              \
        !           176:  %{!traditional:-D__stdc__}                                            \
        !           177:  %{!traditional:-D_LONGLONG}                                           \
        !           178:  %{!traditional:-Ds64_t=long\\ long -Du64_t=unsigned\\ long\\ long}    \
        !           179:  %{!ansi:-D_POSIX_SOURCE}                                              \
        !           180:  %{!ansi:-D_CONVEX_SOURCE}"
        !           181: 
        !           182: #else
        !           183: 
        !           184: #define CPP_SPEC                                                       \
        !           185: "%{mc1:-D__convex_c1__}                                                        \
        !           186:  %{!mc1:%{!mc32:%{!mc34:%{!mc38:-D__convex_c2__}}}}                    \
        !           187:  %{mc32:-D__convex_c32__}                                              \
        !           188:  %{mc34:-D__convex_c34__}                                              \
        !           189:  %{mc38:-D__convex_c38__}                                              \
        !           190:  %{fno-builtin:-D__NO_INLINE}                                          \
        !           191:  -D__NO_INLINE_MATH -D__NO_INLINE_STDLIB                               \
        !           192:  -D_CONVEX_FLOAT_                                                      \
        !           193:  %{.S:-P}                                                              \
        !           194:  %{!traditional:-D__stdc__}                                            \
        !           195:  %{!traditional:-D_LONGLONG}                                           \
        !           196:  %{!traditional:-Ds64_t=long\\ long -Du64_t=unsigned\\ long\\ long}    \
        !           197:  %{!ansi:-D_POSIX_SOURCE}                                              \
        !           198:  %{!ansi:-D_CONVEX_SOURCE}"
        !           199: 
        !           200: #endif
        !           201: 
        !           202: #define LIB_SPEC                                                       \
        !           203: "%{mc1:-lC1%{traditional:_old}%{p:_p}%{pg:_p}}                         \
        !           204:  %{!mc1:%{!mc32:%{!mc34:%{!mc38:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}}}} \
        !           205:  %{mc32:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}                                \
        !           206:  %{mc34:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}                                \
        !           207:  %{mc38:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}                                \
        !           208:  -lc%{traditional:_old}%{p:_p}%{pg:_p}"
        !           209: 
        !           210: #endif
        !           211: 
        !           212: #if TARGET_DEFAULT & 4
        !           213: 
        !           214: /* C32 default */
        !           215: 
        !           216: #if _IEEE_FLOAT_
        !           217: 
        !           218: #define CPP_SPEC                                                       \
        !           219: "%{mc1:-D__convex_c1__}                                                        \
        !           220:  %{mc2:-D__convex_c2__}                                                        \
        !           221:  %{!mc1:%{!mc2:%{!mc34:%{!mc38:-D__convex_c32__}}}}                    \
        !           222:  %{mc34:-D__convex_c34__}                                              \
        !           223:  %{mc38:-D__convex_c38__}                                              \
        !           224:  %{fno-builtin:-D__NO_INLINE}                                          \
        !           225:  -D__NO_INLINE_MATH -D__NO_INLINE_STDLIB                               \
        !           226:  -D_IEEE_FLOAT_                                                                \
        !           227:  %{.S:-P}                                                              \
        !           228:  %{!traditional:-D__stdc__}                                            \
        !           229:  %{!traditional:-D_LONGLONG}                                           \
        !           230:  %{!traditional:-Ds64_t=long\\ long -Du64_t=unsigned\\ long\\ long}    \
        !           231:  %{!ansi:-D_POSIX_SOURCE}                                              \
        !           232:  %{!ansi:-D_CONVEX_SOURCE}"
        !           233: 
        !           234: #else
        !           235: 
        !           236: #define CPP_SPEC                                                       \
        !           237: "%{mc1:-D__convex_c1__}                                                        \
        !           238:  %{mc2:-D__convex_c2__}                                                        \
        !           239:  %{!mc1:%{!mc2:%{!mc34:%{!mc38:-D__convex_c32__}}}}                    \
        !           240:  %{mc34:-D__convex_c34__}                                              \
        !           241:  %{mc38:-D__convex_c38__}                                              \
        !           242:  %{fno-builtin:-D__NO_INLINE}                                          \
        !           243:  -D__NO_INLINE_MATH -D__NO_INLINE_STDLIB                               \
        !           244:  -D_CONVEX_FLOAT_                                                      \
        !           245:  %{.S:-P}                                                              \
        !           246:  %{!traditional:-D__stdc__}                                            \
        !           247:  %{!traditional:-D_LONGLONG}                                           \
        !           248:  %{!traditional:-Ds64_t=long\\ long -Du64_t=unsigned\\ long\\ long}    \
        !           249:  %{!ansi:-D_POSIX_SOURCE}                                              \
        !           250:  %{!ansi:-D_CONVEX_SOURCE}"
        !           251: 
        !           252: #endif
        !           253: 
        !           254: #define LIB_SPEC                                                       \
        !           255: "%{mc1:-lC1%{traditional:_old}%{p:_p}%{pg:_p}}                         \
        !           256:  %{mc2:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}                         \
        !           257:  %{!mc1:%{!mc2:%{!mc34:%{!mc38:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}}}} \
        !           258:  %{mc34:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}                                \
        !           259:  %{mc38:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}                                \
        !           260:  -lc%{traditional:_old}%{p:_p}%{pg:_p}"
        !           261: 
        !           262: #endif
        !           263: 
        !           264: #if TARGET_DEFAULT & 010
        !           265: 
        !           266: /* C34 default */
        !           267: 
        !           268: #if _IEEE_FLOAT_
        !           269: 
        !           270: #define CPP_SPEC                                                       \
        !           271: "%{mc1:-D__convex_c1__}                                                        \
        !           272:  %{mc2:-D__convex_c2__}                                                        \
        !           273:  %{mc32:-D__convex_c32__}                                              \
        !           274:  %{!mc1:%{!mc2:%{!mc32:%{!mc38:-D__convex_c34__}}}}                    \
        !           275:  %{mc38:-D__convex_c38__}                                              \
        !           276:  %{fno-builtin:-D__NO_INLINE}                                          \
        !           277:  -D__NO_INLINE_MATH -D__NO_INLINE_STDLIB                               \
        !           278:  -D_IEEE_FLOAT_                                                                \
        !           279:  %{.S:-P}                                                              \
        !           280:  %{!traditional:-D__stdc__}                                            \
        !           281:  %{!traditional:-D_LONGLONG}                                           \
        !           282:  %{!traditional:-Ds64_t=long\\ long -Du64_t=unsigned\\ long\\ long}    \
        !           283:  %{!ansi:-D_POSIX_SOURCE}                                              \
        !           284:  %{!ansi:-D_CONVEX_SOURCE}"
        !           285: 
        !           286: #else
        !           287: 
        !           288: #define CPP_SPEC                                                       \
        !           289: "%{mc1:-D__convex_c1__}                                                        \
        !           290:  %{mc2:-D__convex_c2__}                                                        \
        !           291:  %{mc32:-D__convex_c32__}                                              \
        !           292:  %{!mc1:%{!mc2:%{!mc32:%{!mc38:-D__convex_c34__}}}}                    \
        !           293:  %{mc38:-D__convex_c38__}                                              \
        !           294:  %{fno-builtin:-D__NO_INLINE}                                          \
        !           295:  -D__NO_INLINE_MATH -D__NO_INLINE_STDLIB                               \
        !           296:  -D_CONVEX_FLOAT_                                                      \
        !           297:  %{.S:-P}                                                              \
        !           298:  %{!traditional:-D__stdc__}                                            \
        !           299:  %{!traditional:-D_LONGLONG}                                           \
        !           300:  %{!traditional:-Ds64_t=long\\ long -Du64_t=unsigned\\ long\\ long}    \
        !           301:  %{!ansi:-D_POSIX_SOURCE}                                              \
        !           302:  %{!ansi:-D_CONVEX_SOURCE}"
        !           303: 
        !           304: #endif
        !           305: 
        !           306: #define LIB_SPEC                                                       \
        !           307: "%{mc1:-lC1%{traditional:_old}%{p:_p}%{pg:_p}}                         \
        !           308:  %{mc2:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}                         \
        !           309:  %{mc32:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}                                \
        !           310:  %{!mc1:%{!mc2:%{!mc32:%{!mc38:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}}}} \
        !           311:  %{mc38:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}                                \
        !           312:  -lc%{traditional:_old}%{p:_p}%{pg:_p}"
        !           313: 
        !           314: #endif
        !           315: 
        !           316: #if TARGET_DEFAULT & 020
        !           317: 
        !           318: /* C38 default */
        !           319: 
        !           320: #if _IEEE_FLOAT_
        !           321: 
        !           322: #define CPP_SPEC                                                       \
        !           323: "%{mc1:-D__convex_c1__}                                                        \
        !           324:  %{mc2:-D__convex_c2__}                                                        \
        !           325:  %{mc32:-D__convex_c32__}                                              \
        !           326:  %{mc34:-D__convex_c34__}                                              \
        !           327:  %{fno-builtin:-D__NO_INLINE}                                          \
        !           328:  -D__NO_INLINE_MATH -D__NO_INLINE_STDLIB                               \
        !           329:  -D_IEEE_FLOAT_                                                                \
        !           330:  %{!mc1:%{!mc2:%{!mc32:%{!mc34:-D__convex_c38__}}}}                    \
        !           331:  %{.S:-P}                                                              \
        !           332:  %{!traditional:-D__stdc__}                                            \
        !           333:  %{!traditional:-D_LONGLONG}                                           \
        !           334:  %{!traditional:-Ds64_t=long\\ long -Du64_t=unsigned\\ long\\ long}    \
        !           335:  %{!ansi:-D_POSIX_SOURCE}                                              \
        !           336:  %{!ansi:-D_CONVEX_SOURCE}"
        !           337: 
        !           338: #else
        !           339: 
        !           340: #define CPP_SPEC                                                       \
        !           341: "%{mc1:-D__convex_c1__}                                                        \
        !           342:  %{mc2:-D__convex_c2__}                                                        \
        !           343:  %{mc32:-D__convex_c32__}                                              \
        !           344:  %{mc34:-D__convex_c34__}                                              \
        !           345:  %{fno-builtin:-D__NO_INLINE}                                          \
        !           346:  -D__NO_INLINE_MATH -D__NO_INLINE_STDLIB                               \
        !           347:  -D_CONVEX_FLOAT_                                                      \
        !           348:  %{!mc1:%{!mc2:%{!mc32:%{!mc34:-D__convex_c38__}}}}                    \
        !           349:  %{.S:-P}                                                              \
        !           350:  %{!traditional:-D__stdc__}                                            \
        !           351:  %{!traditional:-D_LONGLONG}                                           \
        !           352:  %{!traditional:-Ds64_t=long\\ long -Du64_t=unsigned\\ long\\ long}    \
        !           353:  %{!ansi:-D_POSIX_SOURCE}                                              \
        !           354:  %{!ansi:-D_CONVEX_SOURCE}"
        !           355: 
        !           356: #endif
        !           357: 
        !           358: #define LIB_SPEC                                                       \
        !           359: "%{mc1:-lC1%{traditional:_old}%{p:_p}%{pg:_p}}                         \
        !           360:  %{mc2:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}                         \
        !           361:  %{mc32:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}                                \
        !           362:  %{mc34:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}                                \
        !           363:  %{!mc1:%{!mc2:%{!mc32:%{!mc34:-lC2%{traditional:_old}%{p:_p}%{pg:_p}}}}} \
        !           364:  -lc%{traditional:_old}%{p:_p}%{pg:_p}"
        !           365: 
        !           366: #endif
        !           367: 
        !           368: #if _IEEE_FLOAT_
        !           369: 
        !           370: /* ieee default */
        !           371: 
        !           372: #define ASM_SPEC "-fi"
        !           373: 
        !           374: #define LINK_SPEC                                                      \
        !           375: "-E%{traditional:no}posix                                              \
        !           376:  -X                                                                    \
        !           377:  %{F} %{M*} %{y*}                                                      \
        !           378:  -fi                                                                   \
        !           379:  -A__iob=___ap$iob                                                     \
        !           380:  -A_use_libc_sema=___ap$use_libc_sema                                  \
        !           381:  %{traditional:-A___gcc_cleanup=__cleanup}                             \
        !           382:  %{!traditional:-A___gcc_cleanup=___ap$do_registered_functions}                \
        !           383:  -L/usr/lib"
        !           384: 
        !           385: #define STARTFILE_SPEC                                                 \
        !           386: "%{!pg:%{!p:/usr/lib/crt/crt0.o}}                                      \
        !           387:  %{!pg:%{p:/usr/lib/crt/mcrt0.o}}                                      \
        !           388:  %{pg:/usr/lib/crt/gcrt0.o}                                            \
        !           389:  /usr/lib/crt/fpmode_i.o"
        !           390: 
        !           391: #else
        !           392: 
        !           393: /* native default */
        !           394: 
        !           395: #define ASM_SPEC "-fn"
        !           396: 
        !           397: #define LINK_SPEC                                                      \
        !           398: "-E%{traditional:no}posix                                              \
        !           399:  -X                                                                    \
        !           400:  %{F} %{M*} %{y*}                                                      \
        !           401:  -fn                                                                   \
        !           402:  -A__iob=___ap$iob                                                     \
        !           403:  -A_use_libc_sema=___ap$use_libc_sema                                  \
        !           404:  %{traditional:-A___gcc_cleanup=__cleanup}                             \
        !           405:  %{!traditional:-A___gcc_cleanup=___ap$do_registered_functions}                \
        !           406:  -L/usr/lib"
        !           407: 
        !           408: #define STARTFILE_SPEC                                                 \
        !           409: "%{!pg:%{!p:/usr/lib/crt/crt0.o}}                                      \
        !           410:  %{!pg:%{p:/usr/lib/crt/mcrt0.o}}                                      \
        !           411:  %{pg:/usr/lib/crt/gcrt0.o}"
        !           412: 
        !           413: #endif
        !           414: 
        !           415: /* Use /path/libgcc.a instead of -lgcc, makes bootstrap work more smoothly. */
        !           416: 
        !           417: #define LINK_LIBGCC_SPECIAL_1
        !           418: 
        !           419: /* Allow $ in identifiers. */
        !           420: 
        !           421: #define DOLLARS_IN_IDENTIFIERS 2
        !           422: 
        !           423: /* Since IEEE support was added to gcc, most things seem to like it
        !           424:    better if we disable exceptions and check afterward for infinity. */
        !           425: 
        !           426: #if __convex__
        !           427: #if _IEEE_FLOAT_
        !           428: #define REAL_VALUE_ISNAN(x) 0
        !           429: #define REAL_VALUE_ISINF(x) ((*(short *) &(x) & 0x7ff0) == 0x7ff0)
        !           430: #else
        !           431: #define REAL_VALUE_ISNAN(x) 0
        !           432: #define REAL_VALUE_ISINF(x) ((*(short *) &(x) & 0xfff0) == 0x8000)
        !           433: #endif
        !           434: #endif
        !           435: 
        !           436: /* Target machine storage layout */
        !           437: 
        !           438: /* Define this if most significant bit is lowest numbered
        !           439:    in instructions that operate on numbered bit-fields. */
        !           440: #define BITS_BIG_ENDIAN 1
        !           441: 
        !           442: /* Define this if most significant byte of a word is the lowest numbered.  */
        !           443: #define BYTES_BIG_ENDIAN 1
        !           444: 
        !           445: /* Define this if most significant word of a multiword number is numbered.  */
        !           446: #define WORDS_BIG_ENDIAN 1
        !           447: 
        !           448: /* Number of bits in an addressable storage unit */
        !           449: #define BITS_PER_UNIT 8
        !           450: 
        !           451: /* Width in bits of a "word", which is the contents of a machine register.
        !           452:    Note that this is not necessarily the width of data type `int';
        !           453:    if using 16-bit ints on a 68000, this would still be 32.
        !           454:    But on a machine with 16-bit registers, this would be 16.  */
        !           455: #define BITS_PER_WORD 64
        !           456: 
        !           457: /* Width of a word, in units (bytes).  */
        !           458: #define UNITS_PER_WORD 8
        !           459: 
        !           460: /* Width in bits of a pointer.
        !           461:    See also the macro `Pmode' defined below.  */
        !           462: #define POINTER_SIZE 32
        !           463: 
        !           464: /* Allocation boundary (in *bits*) for storing arguments in argument list.  */
        !           465: #define PARM_BOUNDARY 32
        !           466: 
        !           467: /* Boundary (in *bits*) on which stack pointer should be aligned.  */
        !           468: #define STACK_BOUNDARY 64
        !           469: 
        !           470: /* Allocation boundary (in *bits*) for the code of a function.  */
        !           471: #define FUNCTION_BOUNDARY 16
        !           472: 
        !           473: /* Alignment of field after `int : 0' in a structure.  */
        !           474: #define EMPTY_FIELD_BOUNDARY 32
        !           475: 
        !           476: /* Every structure's size must be a multiple of this.  */
        !           477: #define STRUCTURE_SIZE_BOUNDARY 8
        !           478: 
        !           479: /* A bitfield declared as `int' forces `int' alignment for the struct.  */
        !           480: #define PCC_BITFIELD_TYPE_MATTERS 1
        !           481: 
        !           482: /* No data type wants to be aligned rounder than this.  */
        !           483: /* beware of doubles in structs -- 64 is incompatible with cc */
        !           484: #define BIGGEST_ALIGNMENT 32
        !           485: 
        !           486: /* Set this nonzero if move instructions will actually fail to work
        !           487:    when given unaligned data.  */
        !           488: #define STRICT_ALIGNMENT 0
        !           489: 
        !           490: /* Define sizes of basic C types to conform to ordinary usage -- these
        !           491:    types depend on BITS_PER_WORD otherwise.  */
        !           492: #define CHAR_TYPE_SIZE         8
        !           493: #define SHORT_TYPE_SIZE                16
        !           494: #define INT_TYPE_SIZE          32
        !           495: #define LONG_TYPE_SIZE         (TARGET_LONG64 ? 64 : 32)
        !           496: #define LONG_LONG_TYPE_SIZE    64
        !           497: #define FLOAT_TYPE_SIZE                32
        !           498: #define DOUBLE_TYPE_SIZE       64
        !           499: #define LONG_DOUBLE_TYPE_SIZE  64
        !           500: /* This prevents cexp.c from depending on LONG_TYPE_SIZE.  */
        !           501: #define MAX_LONG_TYPE_SIZE      64
        !           502: 
        !           503: /* Declare the standard types used by builtins to match convex stddef.h --
        !           504:    with int rather than long.  */
        !           505: 
        !           506: #define SIZE_TYPE "unsigned int"
        !           507: #define PTRDIFF_TYPE "int"
        !           508: 
        !           509: /* Standard register usage.  */
        !           510: 
        !           511: /* Number of actual hardware registers.
        !           512:    The hardware registers are assigned numbers for the compiler
        !           513:    from 0 to just below FIRST_PSEUDO_REGISTER.
        !           514:    All registers that the compiler knows about must be given numbers,
        !           515:    even those that are not normally considered general registers.  */
        !           516: #define FIRST_PSEUDO_REGISTER 16
        !           517: 
        !           518: /* 1 for registers that have pervasive standard uses
        !           519:    and are not available for the register allocator.
        !           520:    For Convex, these are AP, FP, and SP.  */
        !           521: #define FIXED_REGISTERS \
        !           522:   { 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 1, 1 }
        !           523: 
        !           524: /* 1 for registers not available across function calls.
        !           525:    These must include the FIXED_REGISTERS and also any
        !           526:    registers that can be used without being saved.
        !           527:    The latter must include the registers where values are returned
        !           528:    and the register where structure-value addresses are passed.
        !           529:    Aside from that, you can include as many other registers as you like.  */
        !           530: #define CALL_USED_REGISTERS \
        !           531:   { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 }
        !           532: 
        !           533: /* List the order in which to allocate registers.  Each register must be
        !           534:    listed once, even those in FIXED_REGISTERS.
        !           535:    For Convex, put S0 (the return register) last. */
        !           536: #define REG_ALLOC_ORDER \
        !           537:   { 1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 0, 8, 14, 15 }
        !           538: 
        !           539: /* Return number of consecutive hard regs needed starting at reg REGNO
        !           540:    to hold something of mode MODE.
        !           541:    This is ordinarily the length in words of a value of mode MODE
        !           542:    but can be less for certain modes in special long registers. */
        !           543: #define HARD_REGNO_NREGS(REGNO, MODE) \
        !           544:    ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
        !           545: 
        !           546: /* Value is 1 if hard register REGNO can hold a value of machine-mode MODE.
        !           547:    On Convex, S registers can hold any type, A registers any nonfloat. */
        !           548: #define HARD_REGNO_MODE_OK(REGNO, MODE) \
        !           549:   (S_REGNO_P (REGNO)                                                   \
        !           550:    || (GET_MODE_SIZE (MODE) <= 4 && (MODE) != SFmode))
        !           551: 
        !           552: /* Value is 1 if it is a good idea to tie two pseudo registers
        !           553:    when one has mode MODE1 and one has mode MODE2.
        !           554:    If HARD_REGNO_MODE_OK could produce different values for MODE1 and MODE2,
        !           555:    for any hard reg, then this must be 0 for correct output.  */
        !           556: #define MODES_TIEABLE_P(MODE1, MODE2)  \
        !           557:   ((GET_MODE_SIZE (MODE1) <= 4 && (MODE1) != SFmode)                   \
        !           558:    == (GET_MODE_SIZE (MODE2) <= 4 && (MODE2) != SFmode))
        !           559: 
        !           560: /* Specify the registers used for certain standard purposes.
        !           561:    The values of these macros are register numbers.  */
        !           562: 
        !           563: #define S0_REGNUM 0
        !           564: #define A0_REGNUM 8
        !           565: 
        !           566: /* Register to use for pushing function arguments.  */
        !           567: #define STACK_POINTER_REGNUM A0_REGNUM
        !           568: 
        !           569: /* Base register for access to local variables of the function.  */
        !           570: #define FRAME_POINTER_REGNUM (A0_REGNUM + 7)
        !           571: 
        !           572: /* Value should be nonzero if functions must have frame pointers.
        !           573:    Zero means the frame pointer need not be set up (and parms
        !           574:    may be accessed via the stack pointer) in functions that seem suitable.
        !           575:    This is computed in `reload', in reload1.c.  */
        !           576: #define FRAME_POINTER_REQUIRED 1
        !           577: 
        !           578: /* Base register for access to arguments of the function.  */
        !           579: #define ARG_POINTER_REGNUM (A0_REGNUM + 6)
        !           580: 
        !           581: /* Register in which static-chain is passed to a function.
        !           582:    Use S0, not an A reg, because this rare use would otherwise prevent
        !           583:    an A reg from being available to global-alloc across calls.  */
        !           584: #define STATIC_CHAIN_REGNUM S0_REGNUM
        !           585: 
        !           586: /* Register in which address to store a structure value
        !           587:    is passed to a function.  */
        !           588: #define STRUCT_VALUE_REGNUM (A0_REGNUM + 1)
        !           589: 
        !           590: /* Define the classes of registers for register constraints in the
        !           591:    machine description.  Also define ranges of constants.
        !           592: 
        !           593:    One of the classes must always be named ALL_REGS and include all hard regs.
        !           594:    If there is more than one class, another class must be named NO_REGS
        !           595:    and contain no registers.
        !           596: 
        !           597:    The name GENERAL_REGS must be the name of a class (or an alias for
        !           598:    another name such as ALL_REGS).  This is the class of registers
        !           599:    that is allowed by "g" or "r" in a register constraint.
        !           600:    Also, registers outside this class are allocated only when
        !           601:    instructions express preferences for them.
        !           602: 
        !           603:    The classes must be numbered in nondecreasing order; that is,
        !           604:    a larger-numbered class must never be contained completely
        !           605:    in a smaller-numbered class.
        !           606: 
        !           607:    For any two classes, it is very desirable that there be another
        !           608:    class that represents their union.  */
        !           609:    
        !           610: /* Convex has classes A (address) and S (scalar).
        !           611:    A is further divided into SP_REGS (stack pointer) and INDEX_REGS.
        !           612:    SI_REGS is S_REGS + INDEX_REGS -- all the regs except SP. */
        !           613: 
        !           614: enum reg_class {
        !           615:   NO_REGS, S_REGS, INDEX_REGS, SP_REGS, A_REGS, SI_REGS,
        !           616:   ALL_REGS, LIM_REG_CLASSES 
        !           617: };
        !           618: 
        !           619: #define N_REG_CLASSES (int) LIM_REG_CLASSES
        !           620: 
        !           621: /* Since GENERAL_REGS is the same class as ALL_REGS,
        !           622:    don't give it a different class number; just make it an alias.  */
        !           623: 
        !           624: #define GENERAL_REGS ALL_REGS
        !           625: 
        !           626: /* Give names of register classes as strings for dump file.   */
        !           627: 
        !           628: #define REG_CLASS_NAMES \
        !           629:  {"NO_REGS", "S_REGS", "INDEX_REGS", "SP_REGS", "A_REGS", "SI_REGS", \
        !           630:   "ALL_REGS" }
        !           631: 
        !           632: /* Define which registers fit in which classes.
        !           633:    This is an initializer for a vector of HARD_REG_SET
        !           634:    of length N_REG_CLASSES.  */
        !           635: 
        !           636: #define REG_CLASS_CONTENTS \
        !           637:   { 0, 0x00ff, 0xfe00, 0x0100, 0xff00, 0xfeff, 0xffff }
        !           638: 
        !           639: /* The same information, inverted:
        !           640:    Return the class number of the smallest class containing
        !           641:    reg number REGNO.  This could be a conditional expression
        !           642:    or could index an array.  */
        !           643: 
        !           644: #define REGNO_REG_CLASS(REGNO) (regno_reg_class[REGNO])
        !           645: 
        !           646: #define S_REGNO_P(REGNO) (((REGNO) - S0_REGNUM) < (unsigned) 8)
        !           647: #define A_REGNO_P(REGNO) (((REGNO) - A0_REGNUM) < (unsigned) 8)
        !           648: 
        !           649: #define S_REG_P(X) (REG_P (X) && S_REGNO_P (REGNO (X)))
        !           650: #define A_REG_P(X) (REG_P (X) && A_REGNO_P (REGNO (X)))
        !           651: 
        !           652: /* The class value for index registers, and the one for base regs.  */
        !           653: 
        !           654: #define INDEX_REG_CLASS INDEX_REGS
        !           655: #define BASE_REG_CLASS INDEX_REGS
        !           656: 
        !           657: /* Get reg_class from a letter such as appears in the machine description.  */
        !           658: /* a => A_REGS
        !           659:    d => S_REGS  ('s' is taken)
        !           660:    A => INDEX_REGS  (i.e., A_REGS except sp) */
        !           661: 
        !           662: #define REG_CLASS_FROM_LETTER(C) \
        !           663:   reg_class_from_letter[(unsigned char) (C)]
        !           664: 
        !           665: /* The letters I, J, K, L and M in a register constraint string
        !           666:    can be used to stand for particular ranges of immediate operands.
        !           667:    This macro defines what the ranges are.
        !           668:    C is the letter, and VALUE is a constant value.
        !           669:    Return 1 if VALUE is in the range specified by C.  */
        !           670: /* 'I' is used to pass any CONST_INT and reject any CONST_DOUBLE.
        !           671:    CONST_DOUBLE integers are handled by G and H constraint chars. */
        !           672: 
        !           673: #define CONST_OK_FOR_LETTER_P(VALUE, C)  1
        !           674: 
        !           675: /* Similar, but for floating constants, and defining letters G and H.
        !           676:    Here VALUE is the CONST_DOUBLE rtx itself.  */
        !           677: /* Convex uses G, H:
        !           678:    value usable in ld.d (low word 0) or ld.l (high word all sign) */
        !           679: 
        !           680: #define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C)                         \
        !           681:   (((C) == 'G' && LD_D_P (VALUE)) ||                                   \
        !           682:    ((C) == 'H' && LD_L_P (VALUE)) ||                                   \
        !           683:    0)
        !           684: 
        !           685: #define LD_D_P(X) (const_double_low_int (X) == 0)
        !           686: 
        !           687: #define LD_L_P(X) (const_double_low_int (X) >= 0 \
        !           688:                   ? const_double_high_int (X) == 0 \
        !           689:                   : const_double_high_int (X) == -1)
        !           690: 
        !           691: /* Optional extra constraints for this machine.
        !           692:    For Convex, 'Q' means that OP is a volatile MEM.
        !           693:    For volatile scalars, we use instructions that bypass the data cache. */
        !           694: 
        !           695: #define EXTRA_CONSTRAINT(OP, C) \
        !           696:   ((C) == 'Q' ? (GET_CODE (OP) == MEM && MEM_VOLATILE_P (OP)           \
        !           697:                 && ! TARGET_C1 && TARGET_VOLATILE_NOCACHE)             \
        !           698:    : 0)
        !           699: 
        !           700: /* Given an rtx X being reloaded into a reg required to be
        !           701:    in class CLASS, return the class of reg to actually use.
        !           702:    In general this is just CLASS; but on some machines
        !           703:    in some cases it is preferable to use a more restrictive class.  */
        !           704: 
        !           705: /* Put 2-word constants that can't be immediate operands into memory. */
        !           706: 
        !           707: #define PREFERRED_RELOAD_CLASS(X,CLASS)        \
        !           708:   ((GET_CODE (X) != CONST_DOUBLE                                       \
        !           709:     || GET_MODE (X) == SFmode                                          \
        !           710:     || LD_L_P (X) || LD_D_P (X))  ? (CLASS) : NO_REGS)
        !           711: 
        !           712: /* Return the maximum number of consecutive registers
        !           713:    needed to represent mode MODE in a register of class CLASS.  */
        !           714: #define CLASS_MAX_NREGS(CLASS, MODE)  ((GET_MODE_SIZE (MODE) + 7) / 8)
        !           715: 
        !           716: /* Stack layout; function entry, exit and calling.  */
        !           717: 
        !           718: /* Define this if pushing a word on the stack
        !           719:    makes the stack pointer a smaller address.  */
        !           720: #define STACK_GROWS_DOWNWARD
        !           721: 
        !           722: /* Define this if the nominal address of the stack frame
        !           723:    is at the high-address end of the local variables;
        !           724:    that is, each additional local variable allocated
        !           725:    goes at a more negative offset in the frame.  */
        !           726: #define FRAME_GROWS_DOWNWARD
        !           727: 
        !           728: /* Define this if should default to -fcaller-saves.  */
        !           729: #define DEFAULT_CALLER_SAVES
        !           730: 
        !           731: /* Offset within stack frame to start allocating local variables at.
        !           732:    If FRAME_GROWS_DOWNWARD, this is the offset to the END of the
        !           733:    first local allocated.  Otherwise, it is the offset to the BEGINNING
        !           734:    of the first local allocated.  */
        !           735: #define STARTING_FRAME_OFFSET 0
        !           736: 
        !           737: /* If we generate an insn to push BYTES bytes,
        !           738:    this says how many the stack pointer really advances by. */
        !           739: #define PUSH_ROUNDING(BYTES) (((BYTES) + 3) & ~3)
        !           740: 
        !           741: /* Offset of first parameter from the argument pointer register value.  */
        !           742: #define FIRST_PARM_OFFSET(FNDECL) 0
        !           743: 
        !           744: /* Value is the number of bytes of arguments automatically
        !           745:    popped when returning from a subroutine call.
        !           746:    FUNTYPE is the data type of the function (as a tree),
        !           747:    or for a library call it is an identifier node for the subroutine name.
        !           748:    SIZE is the number of bytes of arguments passed on the stack.  */
        !           749: 
        !           750: #define RETURN_POPS_ARGS(FUNTYPE, SIZE) (SIZE)
        !           751: 
        !           752: /* Define how to find the value returned by a function.
        !           753:    VALTYPE is the data type of the value (as a tree).
        !           754:    If the precise function being called is known, FUNC is its FUNCTION_DECL;
        !           755:    otherwise, FUNC is 0.  */
        !           756: 
        !           757: #define FUNCTION_VALUE(VALTYPE, FUNC) \
        !           758:   gen_rtx (REG, TYPE_MODE (VALTYPE), S0_REGNUM)
        !           759: 
        !           760: /* Define how to find the value returned by a library function
        !           761:    assuming the value has mode MODE.  */
        !           762: 
        !           763: #define LIBCALL_VALUE(MODE)  gen_rtx (REG, MODE, S0_REGNUM)
        !           764: 
        !           765: /* Define this if PCC uses the nonreentrant convention for returning
        !           766:    structure and union values.  */
        !           767: 
        !           768: #define PCC_STATIC_STRUCT_RETURN
        !           769: 
        !           770: /* 1 if N is a possible register number for a function value.
        !           771:    On the Convex, S0 is the only register thus used.  */
        !           772: 
        !           773: #define FUNCTION_VALUE_REGNO_P(N) ((N) == S0_REGNUM)
        !           774: 
        !           775: /* 1 if N is a possible register number for function argument passing. */
        !           776: 
        !           777: #define FUNCTION_ARG_REGNO_P(N) 0
        !           778: 
        !           779: /* Define a data type for recording info about an argument list
        !           780:    during the scan of that argument list.  This data type should
        !           781:    hold all necessary information about the function itself
        !           782:    and about the args processed so far, enough to enable macros
        !           783:    such as FUNCTION_ARG to determine where the next arg should go. */
        !           784: /* On convex, simply count the arguments in case TARGET_ARGCOUNT is set. */
        !           785: 
        !           786: #define CUMULATIVE_ARGS int
        !           787: 
        !           788: /* Initialize a variable CUM of type CUMULATIVE_ARGS
        !           789:    for a call to a function whose data type is FNTYPE.
        !           790:    For a library call, FNTYPE is 0. */
        !           791: 
        !           792: #define INIT_CUMULATIVE_ARGS(CUM,FNTYPE,LIBNAME) \
        !           793:   ((CUM) = 0)
        !           794: 
        !           795: /* Update the data in CUM to advance over an argument
        !           796:    of mode MODE and data type TYPE.
        !           797:    (TYPE is null for libcalls where that information may not be available.)  */
        !           798: 
        !           799: #define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \
        !           800:   ((CUM) += 1)
        !           801: 
        !           802: /* Define where to put the arguments to a function.
        !           803:    Value is zero to push the argument on the stack,
        !           804:    or a hard register in which to store the argument.
        !           805: 
        !           806:    MODE is the argument's machine mode.
        !           807:    TYPE is the data type of the argument (as a tree).
        !           808:     This is null for libcalls where that information may
        !           809:     not be available.
        !           810:    CUM is a variable of type CUMULATIVE_ARGS which gives info about
        !           811:     the preceding args and about the function being called.
        !           812:    NAMED is nonzero if this argument is a named parameter
        !           813:     (otherwise it is an extra parameter matching an ellipsis).
        !           814: 
        !           815:     Convex: all args go on the stack.  But return the arg count
        !           816:     as the "next arg register" to be passed to gen_call.  */
        !           817: 
        !           818: #define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
        !           819:   ((MODE) == VOIDmode ? gen_rtx (CONST_INT, VOIDmode, (CUM)) : 0)
        !           820: 
        !           821: /* This macro generates the assembly code for function entry.
        !           822:    FILE is a stdio stream to output the code to.
        !           823:    SIZE is an int: how many units of temporary storage to allocate.
        !           824:    Refer to the array `regs_ever_live' to determine which registers
        !           825:    to save; `regs_ever_live[I]' is nonzero if register number I
        !           826:    is ever used in the function.  This macro is responsible for
        !           827:    knowing which registers should not be saved even if used.  */
        !           828: 
        !           829: #define FUNCTION_PROLOGUE(FILE, SIZE)                                  \
        !           830: {                                                                      \
        !           831:   int size = ((SIZE) + 7) & -8;                                                \
        !           832:   if (size != 0)                                                       \
        !           833:     fprintf (FILE, "\tsub.w #%d,sp\n", size);                          \
        !           834: }
        !           835: 
        !           836: /* This macro generates the assembly code for function exit,
        !           837:    on machines that need it.  If FUNCTION_EPILOGUE is not defined
        !           838:    then individual return instructions are generated for each
        !           839:    return statement.  Args are same as for FUNCTION_PROLOGUE.  */
        !           840: 
        !           841: #define FUNCTION_EPILOGUE(FILE, SIZE)                                  \
        !           842: {                                                                      \
        !           843:   /* Follow function with a zero to stop c34 icache prefetching. */    \
        !           844:   fprintf (FILE, "\tds.h 0\n");                                                \
        !           845: }
        !           846: 
        !           847: /* Output assembler code for a block containing the constant parts
        !           848:    of a trampoline, leaving space for the variable parts.  */
        !           849: 
        !           850: /* On convex, the code for a trampoline is
        !           851:        ld.w #<link>,s0
        !           852:        jmp <func>  */
        !           853: 
        !           854: #define TRAMPOLINE_TEMPLATE(FILE) \
        !           855: {                                                                      \
        !           856:   fprintf (FILE, "\tld.w #69696969,s0\n");                             \
        !           857:   fprintf (FILE, "\tjmp 52525252\n");                                  \
        !           858: }
        !           859: 
        !           860: /* Length in units of the trampoline for entering a nested function.  */
        !           861: 
        !           862: #define TRAMPOLINE_SIZE 12
        !           863: 
        !           864: /* Emit RTL insns to initialize the variable parts of a trampoline.
        !           865:    FNADDR is an RTX for the address of the function's pure code.
        !           866:    CXT is an RTX for the static chain value for the function.  */
        !           867: 
        !           868: #define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \
        !           869: {                                                                      \
        !           870:   emit_move_insn (gen_rtx (MEM, Pmode, plus_constant (TRAMP, 2)), CXT);        \
        !           871:   emit_move_insn (gen_rtx (MEM, Pmode, plus_constant (TRAMP, 8)), FNADDR); \
        !           872:   emit_call_insn (gen_call_pop (gen_rtx (MEM, QImode,                  \
        !           873:                                         gen_rtx (SYMBOL_REF, Pmode,    \
        !           874:                                                  "__enable_execute_stack")), \
        !           875:                                const0_rtx, const0_rtx, const0_rtx));   \
        !           876: }
        !           877: 
        !           878: /* Output assembler code to FILE to increment profiler label # LABELNO
        !           879:    for profiling a function entry.  */
        !           880: 
        !           881: #define FUNCTION_PROFILER(FILE, LABELNO)  \
        !           882:    fprintf (FILE, "\tldea LP%d,a1\n\tcallq mcount\n", (LABELNO));
        !           883: 
        !           884: /* EXIT_IGNORE_STACK should be nonzero if, when returning from a function,
        !           885:    the stack pointer does not matter.  The value is tested only in
        !           886:    functions that have frame pointers.
        !           887:    No definition is equivalent to always zero.  */
        !           888: 
        !           889: #define EXIT_IGNORE_STACK 1
        !           890: 
        !           891: /* Store in the variable DEPTH the initial difference between the
        !           892:    frame pointer reg contents and the stack pointer reg contents,
        !           893:    as of the start of the function body.  This depends on the layout
        !           894:    of the fixed parts of the stack frame and on how registers are saved.  */
        !           895: #define INITIAL_FRAME_POINTER_OFFSET(DEPTH)                    \
        !           896: { (DEPTH) = (get_frame_size () + 7) & -8; }
        !           897: 
        !           898: /* Addressing modes, and classification of registers for them.  */
        !           899: 
        !           900: /* #define HAVE_POST_INCREMENT */
        !           901: /* #define HAVE_POST_DECREMENT */
        !           902: 
        !           903: /* #define HAVE_PRE_DECREMENT */
        !           904: /* #define HAVE_PRE_INCREMENT */
        !           905: 
        !           906: /* Macros to check register numbers against specific register classes.  */
        !           907: 
        !           908: /* These assume that REGNO is a hard or pseudo reg number.
        !           909:    They give nonzero only if REGNO is a hard reg of the suitable class
        !           910:    or a pseudo reg currently allocated to a suitable hard reg.
        !           911:    Since they use reg_renumber, they are safe only once reg_renumber
        !           912:    has been allocated, which happens in local-alloc.c.  */
        !           913: 
        !           914: #define REGNO_OK_FOR_INDEX_P(regno)  \
        !           915:   ((regno) <= LAST_VIRTUAL_REGISTER                                    \
        !           916:     ? regno_ok_for_index_p[regno]                                      \
        !           917:     : regno_ok_for_index_p[reg_renumber[regno]])
        !           918: 
        !           919: #define REGNO_OK_FOR_BASE_P(regno)  REGNO_OK_FOR_INDEX_P (regno)
        !           920: 
        !           921: /* Maximum number of registers that can appear in a valid memory address.  */
        !           922: 
        !           923: #define MAX_REGS_PER_ADDRESS 1
        !           924: 
        !           925: /* 1 if X is an rtx for a constant that is a valid address.  */
        !           926: 
        !           927: #define CONSTANT_ADDRESS_P(X)   \
        !           928:   (GET_CODE (X) == LABEL_REF || GET_CODE (X) == SYMBOL_REF             \
        !           929:    || GET_CODE (X) == CONST_INT || GET_CODE (X) == CONST               \
        !           930:    || GET_CODE (X) == HIGH)
        !           931: 
        !           932: /* Nonzero if the constant value X is a legitimate general operand.
        !           933:    It is given that X satisfies CONSTANT_P or is a CONST_DOUBLE.  */
        !           934: 
        !           935: /* For convex, bounce 2-word constants that can't be immediate operands. */
        !           936: 
        !           937: #define LEGITIMATE_CONSTANT_P(X) \
        !           938:   (GET_CODE (X) != CONST_DOUBLE                                                \
        !           939:    || GET_MODE (X) == SFmode                                           \
        !           940:    || LD_L_P (X) || LD_D_P (X))
        !           941: 
        !           942: /* The macros REG_OK_FOR..._P assume that the arg is a REG rtx
        !           943:    and check its validity for a certain class.
        !           944:    We have two alternate definitions for each of them.
        !           945:    The usual definition accepts all pseudo regs; the other rejects
        !           946:    them unless they have been allocated suitable hard regs.
        !           947:    The symbol REG_OK_STRICT causes the latter definition to be used.
        !           948: 
        !           949:    Most source files want to accept pseudo regs in the hope that
        !           950:    they will get allocated to the class that the insn wants them to be in.
        !           951:    Source files for reload pass need to be strict.
        !           952:    After reload, it makes no difference, since pseudo regs have
        !           953:    been eliminated by then.  */
        !           954: 
        !           955: #ifndef REG_OK_STRICT
        !           956: 
        !           957: /* Nonzero if X is a hard reg that can be used as an index
        !           958:    or if it is a pseudo reg.  */
        !           959: #define REG_OK_FOR_INDEX_P(X) \
        !           960:   (REGNO (X) > LAST_VIRTUAL_REGISTER || regno_ok_for_index_p[REGNO (X)])
        !           961: 
        !           962: /* Nonzero if X is a hard reg that can be used as a base reg
        !           963:    or if it is a pseudo reg.  */
        !           964: #define REG_OK_FOR_BASE_P(X) REG_OK_FOR_INDEX_P (X)
        !           965: 
        !           966: #else
        !           967: 
        !           968: /* Nonzero if X is a hard reg that can be used as an index.  */
        !           969: #define REG_OK_FOR_INDEX_P(X) REGNO_OK_FOR_INDEX_P (REGNO (X))
        !           970: 
        !           971: /* Nonzero if X is a hard reg that can be used as a base reg.  */
        !           972: #define REG_OK_FOR_BASE_P(X) REGNO_OK_FOR_BASE_P (REGNO (X))
        !           973: 
        !           974: #endif
        !           975: 
        !           976: /* GO_IF_LEGITIMATE_ADDRESS recognizes an RTL expression
        !           977:    that is a valid memory address for an instruction.
        !           978:    The MODE argument is the machine mode for the MEM expression
        !           979:    that wants to use this address.
        !           980: 
        !           981:    For Convex, valid addresses are
        !           982:        indirectable or (MEM indirectable)
        !           983:    where indirectable is 
        !           984:        const, reg, (PLUS reg const)
        !           985: 
        !           986:    We don't use indirection since with insn scheduling, load + indexing
        !           987:    is better. */
        !           988: 
        !           989: /* 1 if X is an address that we could indirect through.  */
        !           990: #define INDIRECTABLE_ADDRESS_P(X)  \
        !           991:   (CONSTANT_ADDRESS_P (X)                                              \
        !           992:    || (GET_CODE (X) == REG && REG_OK_FOR_BASE_P (X))                   \
        !           993:    || (GET_CODE (X) == PLUS                                            \
        !           994:        && GET_CODE (XEXP (X, 0)) == REG                                        \
        !           995:        && REG_OK_FOR_BASE_P (XEXP (X, 0))                              \
        !           996:        && CONSTANT_ADDRESS_P (XEXP (X, 1)))                            \
        !           997:    || (GET_CODE (X) == PLUS                                            \
        !           998:        && GET_CODE (XEXP (X, 1)) == REG                                        \
        !           999:        && REG_OK_FOR_BASE_P (XEXP (X, 1))                              \
        !          1000:        && CONSTANT_ADDRESS_P (XEXP (X, 0))))
        !          1001: 
        !          1002: /* Go to ADDR if X is a valid address. */
        !          1003: #define GO_IF_LEGITIMATE_ADDRESS(MODE, X, ADDR)  \
        !          1004: { register rtx xfoob = (X);                                            \
        !          1005:   if (INDIRECTABLE_ADDRESS_P (xfoob))                                  \
        !          1006:     goto ADDR;                                                         \
        !          1007:   if (GET_CODE (xfoob) == PRE_DEC && XEXP (xfoob, 0) == stack_pointer_rtx) \
        !          1008:     goto ADDR;                                                         \
        !          1009: }
        !          1010: 
        !          1011: /* Try machine-dependent ways of modifying an illegitimate address
        !          1012:    to be legitimate.  If we find one, return the new, valid address.
        !          1013:    This macro is used in only one place: `memory_address' in explow.c.
        !          1014: 
        !          1015:    OLDX is the address as it was before break_out_memory_refs was called.
        !          1016:    In some cases it is useful to look at this to decide what needs to be done.
        !          1017: 
        !          1018:    MODE and WIN are passed so that this macro can use
        !          1019:    GO_IF_LEGITIMATE_ADDRESS.
        !          1020: 
        !          1021:    It is always safe for this macro to do nothing.  It exists to recognize
        !          1022:    opportunities to optimize the output.
        !          1023: 
        !          1024:    For Convex, nothing needs to be done.  */
        !          1025: 
        !          1026: #define LEGITIMIZE_ADDRESS(X,OLDX,MODE,WIN)  {}
        !          1027: 
        !          1028: /* Go to LABEL if ADDR (a legitimate address expression)
        !          1029:    has an effect that depends on the machine mode it is used for. */
        !          1030: 
        !          1031: #define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR,LABEL)  {}
        !          1032: 
        !          1033: /* Specify the machine mode that this machine uses
        !          1034:    for the index in the tablejump instruction.  */
        !          1035: #define CASE_VECTOR_MODE SImode
        !          1036: 
        !          1037: /* Define this if the case instruction expects the table
        !          1038:    to contain offsets from the address of the table.
        !          1039:    Do not define this if the table should contain absolute addresses.  */
        !          1040: /* #define CASE_VECTOR_PC_RELATIVE */
        !          1041: 
        !          1042: /* Define this if the case instruction drops through after the table
        !          1043:    when the index is out of range.  Don't define it if the case insn
        !          1044:    jumps to the default label instead.  */
        !          1045: /* #define CASE_DROPS_THROUGH */
        !          1046: 
        !          1047: /* Specify the tree operation to be used to convert reals to integers.  */
        !          1048: #define IMPLICIT_FIX_EXPR FIX_ROUND_EXPR
        !          1049: 
        !          1050: /* This is the kind of divide that is easiest to do in the general case.  */
        !          1051: #define EASY_DIV_EXPR TRUNC_DIV_EXPR
        !          1052: 
        !          1053: /* Define this as 1 if `char' should by default be signed; else as 0.  */
        !          1054: #define DEFAULT_SIGNED_CHAR 1
        !          1055: 
        !          1056: /* This flag, if defined, says the same insns that convert to a signed fixnum
        !          1057:    also convert validly to an unsigned one.  */
        !          1058: #define FIXUNS_TRUNC_LIKE_FIX_TRUNC
        !          1059: 
        !          1060: /* Max number of bytes we can move from memory to memory
        !          1061:    in one reasonably fast instruction.  */
        !          1062: #define MOVE_MAX 8
        !          1063: 
        !          1064: /* Define this if zero-extension is slow (more than one real instruction).  */
        !          1065: /* #define SLOW_ZERO_EXTEND */
        !          1066: 
        !          1067: /* Nonzero if access to memory by bytes is slow and undesirable.  */
        !          1068: #define SLOW_BYTE_ACCESS (! TARGET_C2)
        !          1069: 
        !          1070: /* Define if shifts truncate the shift count
        !          1071:    which implies one can omit a sign-extension or zero-extension
        !          1072:    of a shift count.  */
        !          1073: /* #define SHIFT_COUNT_TRUNCATED */
        !          1074: 
        !          1075: /* Value is 1 if truncating an integer of INPREC bits to OUTPREC bits
        !          1076:    is done just by pretending it is already truncated.  */
        !          1077: #define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1
        !          1078: 
        !          1079: /* On Convex, it is as good to call a constant function address as to
        !          1080:    call an address kept in a register. */
        !          1081: #define NO_FUNCTION_CSE
        !          1082: 
        !          1083: /* When a prototype says `char' or `short', really pass an `int'.  */
        !          1084: #define PROMOTE_PROTOTYPES
        !          1085: 
        !          1086: /* Specify the machine mode that pointers have.
        !          1087:    After generation of rtl, the compiler makes no further distinction
        !          1088:    between pointers and any other objects of this machine mode.  */
        !          1089: #define Pmode SImode
        !          1090: 
        !          1091: /* A function address in a call instruction
        !          1092:    is a byte address (for indexing purposes)
        !          1093:    so give the MEM rtx a byte's mode.  */
        !          1094: #define FUNCTION_MODE QImode
        !          1095: 
        !          1096: /* Compute the cost of computing a constant rtl expression RTX
        !          1097:    whose rtx-code is CODE.  The body of this macro is a portion
        !          1098:    of a switch statement.  If the code is computed here,
        !          1099:    return it with a return statement.  Otherwise, break from the switch.  */
        !          1100: 
        !          1101: #define CONST_COSTS(RTX,CODE,OUTER_CODE) \
        !          1102:   case CONST: \
        !          1103:   case LABEL_REF: \
        !          1104:   case SYMBOL_REF: \
        !          1105:   case CONST_INT: \
        !          1106:   case CONST_DOUBLE: \
        !          1107:     return 0;
        !          1108: 
        !          1109: /* Provide the costs of a rtl expression.  This is in the body of a
        !          1110:    switch on CODE.  */
        !          1111: 
        !          1112: #define RTX_COSTS(RTX,CODE,OUTER_CODE) \
        !          1113:   case PLUS:                                                           \
        !          1114:     if (regno_pointer_flag != 0                                                \
        !          1115:        && GET_CODE (XEXP (RTX, 0)) == REG                              \
        !          1116:        && REGNO_POINTER_FLAG (REGNO (XEXP (RTX, 0)))                   \
        !          1117:        && GET_CODE (XEXP (RTX, 1)) == CONST_INT)                       \
        !          1118:       return 0;                                                                \
        !          1119:     else break;                                                                \
        !          1120:   case MULT:                                                           \
        !          1121:     return 4 * (char) (0x03060403 >> target_cpu * 8);                  \
        !          1122:   case LSHIFT:                                                         \
        !          1123:   case ASHIFT:                                                         \
        !          1124:   case LSHIFTRT:                                                       \
        !          1125:   case ASHIFTRT:                                                       \
        !          1126:     return 4 * (char) (0x03010403 >> target_cpu * 8);                  \
        !          1127:   case MEM:                                                            \
        !          1128:     return 5;
        !          1129: 
        !          1130: /* Compute the cost of an address.  This is meant to approximate the size
        !          1131:    and/or execution delay of an insn using that address.  If the cost is
        !          1132:    approximated by the RTL complexity, including CONST_COSTS above, as
        !          1133:    is usually the case for CISC machines, this macro should not be defined.
        !          1134:    For aggressively RISCy machines, only one insn format is allowed, so
        !          1135:    this macro should be a constant.  The value of this macro only matters
        !          1136:    for valid addresses.  */
        !          1137: 
        !          1138: #define ADDRESS_COST(RTX) 0
        !          1139: 
        !          1140: /* Specify the cost of a branch insn; roughly the number of extra insns that
        !          1141:    should be added to avoid a branch.  */
        !          1142: 
        !          1143: #define BRANCH_COST 0
        !          1144: 
        !          1145: /* Adjust the cost of dependences. */
        !          1146: 
        !          1147: #define ADJUST_COST(INSN,LINK,DEP,COST)                                \
        !          1148: {                                                                      \
        !          1149:   /* Antidependencies don't block issue. */                            \
        !          1150:   if (REG_NOTE_KIND (LINK) != 0)                                       \
        !          1151:     (COST) = 0;                                                                \
        !          1152:   /* C38 situations where delay depends on context */                  \
        !          1153:   else if (TARGET_C38                                                  \
        !          1154:           && GET_CODE (PATTERN (INSN)) == SET                          \
        !          1155:           && GET_CODE (PATTERN (DEP)) == SET)                          \
        !          1156:     {                                                                  \
        !          1157:       enum attr_type insn_type = get_attr_type (INSN);                 \
        !          1158:       enum attr_type dep_type = get_attr_type (DEP);                   \
        !          1159:       /* index register must be ready one cycle early */               \
        !          1160:       if (insn_type == TYPE_MLDW || insn_type == TYPE_MLDL             \
        !          1161:           || (insn_type == TYPE_MST                                    \
        !          1162:              && reg_mentioned_p (SET_DEST (PATTERN (DEP)),             \
        !          1163:                                  SET_SRC (PATTERN (INSN)))))           \
        !          1164:        (COST) += 1;                                                    \
        !          1165:       /* alu forwarding off alu takes two */                           \
        !          1166:       if (dep_type == TYPE_ALU                                         \
        !          1167:          && insn_type != TYPE_ALU                                      \
        !          1168:          && ! (insn_type == TYPE_MST                                   \
        !          1169:                && SET_DEST (PATTERN (DEP)) == SET_SRC (PATTERN (INSN)))) \
        !          1170:        (COST) += 1;                                                    \
        !          1171:     }                                                                  \
        !          1172: }
        !          1173: 
        !          1174: /* Convex uses Vax or IEEE floats.
        !          1175:    Follow the host format. */
        !          1176: #define TARGET_FLOAT_FORMAT HOST_FLOAT_FORMAT
        !          1177: 
        !          1178: /* But must prevent real.c from constructing Vax dfloats */
        !          1179: #define REAL_VALUE_ATOF(X,S) atof (X)
        !          1180: extern double atof();
        !          1181: 
        !          1182: /* Check a `double' value for validity for a particular machine mode.  */
        !          1183: #define CHECK_FLOAT_VALUE(mode, d) \
        !          1184:     check_float_value ((mode), &(d))
        !          1185: 
        !          1186: /* Tell final.c how to eliminate redundant test instructions.  */
        !          1187: 
        !          1188: /* Here we define machine-dependent flags and fields in cc_status
        !          1189:    (see `conditions.h').  No extra ones are needed for convex.  */
        !          1190: 
        !          1191: /* Store in cc_status the expressions
        !          1192:    that the condition codes will describe
        !          1193:    after execution of an instruction whose pattern is EXP.
        !          1194:    Do not alter them if the instruction would not alter the cc's.  */
        !          1195: 
        !          1196: #define NOTICE_UPDATE_CC(EXP,INSN)  {}
        !          1197: 
        !          1198: /* Control the assembler format that we output.  */
        !          1199: 
        !          1200: /* Output at beginning of assembler file.  */
        !          1201: 
        !          1202: #if _IEEE_FLOAT_
        !          1203: #define ASM_FILE_START(FILE)  fprintf (FILE, ";NO_APP\n.fpmode ieee\n")
        !          1204: #else
        !          1205: #define ASM_FILE_START(FILE)  fprintf (FILE, ";NO_APP\n.fpmode native\n")
        !          1206: #endif
        !          1207: 
        !          1208: /* Output to assembler file text saying following lines
        !          1209:    may contain character constants, extra white space, comments, etc.  */
        !          1210: 
        !          1211: #define ASM_APP_ON ";APP\n"
        !          1212: 
        !          1213: /* Output to assembler file text saying following lines
        !          1214:    no longer contain unusual constructs.  */
        !          1215: 
        !          1216: #define ASM_APP_OFF ";NO_APP\n"
        !          1217: 
        !          1218: /* Alignment with Convex's assembler goes like this:
        !          1219:    .text can be .aligned up to a halfword.
        !          1220:    .data and .bss can be .aligned up to a longword.
        !          1221:    .lcomm is not supported, explicit declarations in .bss must be used instead.
        !          1222:    We get alignment for word and longword .text data by conventionally
        !          1223:    using .text 2 for word-aligned data and .text 3 for longword-aligned
        !          1224:    data.  This requires that the data's size be a multiple of its alignment,
        !          1225:    which seems to be always true.  */
        !          1226: 
        !          1227: /* Output before read-only data.  */
        !          1228: 
        !          1229: #define TEXT_SECTION_ASM_OP (current_section_is_text = 1, ".text")
        !          1230: 
        !          1231: /* Output before writable data.  */
        !          1232: 
        !          1233: #define DATA_SECTION_ASM_OP (current_section_is_text = 0, ".data") 
        !          1234: 
        !          1235: /* Output before uninitialized data.  */
        !          1236: 
        !          1237: #define BSS_SECTION_ASM_OP (current_section_is_text = 0, ".bss") 
        !          1238: 
        !          1239: /* Define the .bss section for ASM_OUTPUT_LOCAL to use. */
        !          1240: 
        !          1241: #define EXTRA_SECTIONS in_bss
        !          1242: 
        !          1243: #define EXTRA_SECTION_FUNCTIONS                                                \
        !          1244: void                                                                   \
        !          1245: bss_section ()                                                         \
        !          1246: {                                                                      \
        !          1247:   if (in_section != in_bss)                                            \
        !          1248:     {                                                                  \
        !          1249:       fprintf (asm_out_file, "%s\n", BSS_SECTION_ASM_OP);              \
        !          1250:       in_section = in_bss;                                             \
        !          1251:     }                                                                  \
        !          1252: }
        !          1253: 
        !          1254: /* This is how to output an assembler line
        !          1255:    that says to advance the location counter
        !          1256:    to a multiple of 2**LOG bytes.  */
        !          1257: 
        !          1258: #define ASM_OUTPUT_ALIGN(FILE,LOG)  \
        !          1259:   if (current_section_is_text && (LOG) > 1)                            \
        !          1260:     fprintf (FILE, ".text %d\n", LOG);                                 \
        !          1261:   else if (current_section_is_text)                                    \
        !          1262:     fprintf (FILE, ".text\n.align %d\n", 1 << (LOG));                  \
        !          1263:   else                                                                 \
        !          1264:     fprintf (FILE, ".align %d\n", 1 << (LOG))
        !          1265: 
        !          1266: /* How to refer to registers in assembler output.
        !          1267:    This sequence is indexed by compiler's hard-register-number (see above).  */
        !          1268: 
        !          1269: #define REGISTER_NAMES                                                 \
        !          1270: {                                                                      \
        !          1271:   "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",                      \
        !          1272:   "sp", "a1", "a2", "a3", "a4", "a5", "ap", "fp",                      \
        !          1273: }
        !          1274: 
        !          1275: /* This is BSD, so it wants DBX format.  */
        !          1276: 
        !          1277: #define DBX_DEBUGGING_INFO
        !          1278: 
        !          1279: /* How to renumber registers for dbx and gdb. */
        !          1280: 
        !          1281: #define DBX_REGISTER_NUMBER(REGNO) (REGNO)
        !          1282: 
        !          1283: /* Do not break .stabs pseudos into continuations.  */
        !          1284: 
        !          1285: #define DBX_CONTIN_LENGTH 0
        !          1286: 
        !          1287: /* This is the char to use for continuation (in case we need to turn
        !          1288:    continuation back on).  */
        !          1289: 
        !          1290: #define DBX_CONTIN_CHAR '?'
        !          1291: 
        !          1292: /* Don't use stab extensions until GDB v4 port is available for convex. */
        !          1293: 
        !          1294: #define DEFAULT_GDB_EXTENSIONS 0
        !          1295: #define DBX_NO_XREFS
        !          1296: 
        !          1297: /* This is how to output the definition of a user-level label named NAME,
        !          1298:    such as the label on a static function or variable NAME.  */
        !          1299: 
        !          1300: #define ASM_OUTPUT_LABEL(FILE,NAME)    \
        !          1301:   do { assemble_name (FILE, NAME); fputs (":\n", FILE); } while (0)
        !          1302: 
        !          1303: /* This is how to output a command to make the user-level label named NAME
        !          1304:    defined for reference from other files.  */
        !          1305: 
        !          1306: #define ASM_GLOBALIZE_LABEL(FILE,NAME) \
        !          1307:   do { fputs (".globl ", FILE); assemble_name (FILE, NAME); fputs ("\n", FILE);} while (0)
        !          1308: 
        !          1309: /* This is how to output a reference to a user-level label named NAME.  */
        !          1310: 
        !          1311: #define ASM_OUTPUT_LABELREF(FILE,NAME) \
        !          1312:   fprintf (FILE, "_%s", NAME)
        !          1313: 
        !          1314: /* This is how to output an internal numbered label where
        !          1315:    PREFIX is the class of label and NUM is the number within the class.  */
        !          1316: 
        !          1317: #define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM)     \
        !          1318:   fprintf (FILE, "%s%d:\n", PREFIX, NUM)
        !          1319: 
        !          1320: /* Put case tables in .text 2, where they will be word-aligned */
        !          1321: 
        !          1322: #define ASM_OUTPUT_CASE_LABEL(FILE,PREFIX,NUM,TABLE) \
        !          1323:   ASM_OUTPUT_ALIGN (FILE, 2); \
        !          1324:   ASM_OUTPUT_INTERNAL_LABEL (FILE, PREFIX, NUM)
        !          1325: 
        !          1326: #define ASM_OUTPUT_CASE_END(FILE,NUM,TABLE) \
        !          1327:   ASM_OUTPUT_ALIGN (FILE, 1)
        !          1328: 
        !          1329: /* This is how to store into the string LABEL
        !          1330:    the symbol_ref name of an internal numbered label where
        !          1331:    PREFIX is the class of label and NUM is the number within the class.
        !          1332:    This is suitable for output with `assemble_name'.  */
        !          1333: 
        !          1334: #define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM)  \
        !          1335:   sprintf (LABEL, "*%s%d", PREFIX, NUM)
        !          1336: 
        !          1337: /* This is how to output an assembler line defining a `double' constant.  */
        !          1338: 
        !          1339: #define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
        !          1340:   outfloat (FILE, VALUE, "%.17e", "\tds.d ", "\n")
        !          1341: 
        !          1342: /* This is how to output an assembler line defining a `float' constant.  */
        !          1343: 
        !          1344: #define ASM_OUTPUT_FLOAT(FILE,VALUE) \
        !          1345:   outfloat (FILE, VALUE, "%.9e", "\tds.s ", "\n")
        !          1346: 
        !          1347: /* This is how to output an assembler line defining an `int' constant.  */
        !          1348: 
        !          1349: #define ASM_OUTPUT_INT(FILE,VALUE)  \
        !          1350: {                                                                      \
        !          1351:   fprintf (FILE, "\tds.w ");                                           \
        !          1352:   output_addr_const (FILE, simplify_for_convex (VALUE));               \
        !          1353:   fprintf (FILE, "\n");                                                        \
        !          1354: }
        !          1355: 
        !          1356: /* Likewise for a `long long int' constant.  */
        !          1357: 
        !          1358: #define ASM_OUTPUT_DOUBLE_INT(FILE,VALUE)  \
        !          1359: {                                                                      \
        !          1360:   if (GET_CODE (VALUE) == CONST_DOUBLE)                                        \
        !          1361:     fprintf (FILE, "\tds.w %d,%d\n",                                   \
        !          1362:             const_double_high_int (VALUE), const_double_low_int (VALUE)); \
        !          1363:   else if (GET_CODE (VALUE) == CONST_INT)                              \
        !          1364:     {                                                                  \
        !          1365:       int val = INTVAL (VALUE);                                                \
        !          1366:       fprintf (FILE, "\tds.w %d,%d\n", val < 0 ? -1 : 0, val);         \
        !          1367:     }                                                                  \
        !          1368:   else                                                                 \
        !          1369:     abort ();                                                          \
        !          1370: }
        !          1371: 
        !          1372: /* Likewise for `char' and `short' constants.  */
        !          1373: 
        !          1374: #define ASM_OUTPUT_SHORT(FILE,VALUE)  \
        !          1375: ( fprintf (FILE, "\tds.h "),                   \
        !          1376:   output_addr_const (FILE, (VALUE)),           \
        !          1377:   fprintf (FILE, "\n"))
        !          1378: 
        !          1379: #define ASM_OUTPUT_CHAR(FILE,VALUE)  \
        !          1380: ( fprintf (FILE, "\tds.b "),                   \
        !          1381:   output_addr_const (FILE, (VALUE)),           \
        !          1382:   fprintf (FILE, "\n"))
        !          1383: 
        !          1384: /* This is how to output an assembler line for a numeric constant byte.  */
        !          1385: 
        !          1386: #define ASM_OUTPUT_BYTE(FILE,VALUE)  \
        !          1387:   fprintf (FILE, "\tds.b %#x\n", (VALUE))
        !          1388: 
        !          1389: /* This is how to output a string */
        !          1390: 
        !          1391: #define ASM_OUTPUT_ASCII(FILE,STR,SIZE) do {                           \
        !          1392:   int i;                                                               \
        !          1393:   fprintf ((FILE), "\tds.b \"");                                       \
        !          1394:   for (i = 0; i < (SIZE); i++) {                                       \
        !          1395:       register int c = (STR)[i] & 0377;                                        \
        !          1396:       if (c >= ' ' && c < 0177 && c != '\\' && c != '"')               \
        !          1397:          putc (c, (FILE));                                             \
        !          1398:       else                                                             \
        !          1399:          fprintf ((FILE), "\\%03o", c);}                               \
        !          1400:   fprintf ((FILE), "\"\n");} while (0)
        !          1401: 
        !          1402: /* This is how to output an insn to push a register on the stack.
        !          1403:    It need not be very fast code.  */
        !          1404: 
        !          1405: #define ASM_OUTPUT_REG_PUSH(FILE,REGNO)        \
        !          1406:    fprintf (FILE, "\tpsh.%c %s\n",             \
        !          1407:            S_REGNO_P (REGNO) ? 'l' : 'w',      \
        !          1408:            reg_names[REGNO])
        !          1409: 
        !          1410: /* This is how to output an insn to pop a register from the stack.
        !          1411:    It need not be very fast code.  */
        !          1412: 
        !          1413: #define ASM_OUTPUT_REG_POP(FILE,REGNO)         \
        !          1414:    fprintf (FILE, "\tpop.%c %s\n",             \
        !          1415:            S_REGNO_P (REGNO) ? 'l' : 'w',      \
        !          1416:            reg_names[REGNO])
        !          1417: 
        !          1418: /* This is how to output an element of a case-vector that is absolute. */
        !          1419: 
        !          1420: #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE)  \
        !          1421:   fprintf (FILE, "\tds.w L%d\n", VALUE)
        !          1422: 
        !          1423: /* This is how to output an element of a case-vector that is relative.  
        !          1424:    (not used on Convex) */
        !          1425: 
        !          1426: #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, VALUE, REL)  \
        !          1427:   fprintf (FILE, "\tds.w L%d-L%d\n", VALUE, REL)
        !          1428: 
        !          1429: /* This is how to output an assembler line
        !          1430:    that says to advance the location counter by SIZE bytes.  */
        !          1431: 
        !          1432: #define ASM_OUTPUT_SKIP(FILE,SIZE)  \
        !          1433:   fprintf (FILE, "\tds.b %u(0)\n", (SIZE))
        !          1434: 
        !          1435: /* This says how to output an assembler line
        !          1436:    to define a global common symbol.  */
        !          1437: 
        !          1438: #define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED)  \
        !          1439: ( fputs (".comm ", (FILE)),                    \
        !          1440:   assemble_name ((FILE), (NAME)),              \
        !          1441:   fprintf ((FILE), ",%u\n", (ROUNDED)))
        !          1442: 
        !          1443: /* This says how to output an assembler line
        !          1444:    to define a local common symbol.  */
        !          1445: 
        !          1446: #define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED)  \
        !          1447: ( bss_section (),                              \
        !          1448:   assemble_name ((FILE), (NAME)),              \
        !          1449:   fprintf ((FILE), ":\tbs.b %u\n", (ROUNDED)))
        !          1450: 
        !          1451: /* Store in OUTPUT a string (made with alloca) containing
        !          1452:    an assembler-name for a local static variable named NAME.
        !          1453:    LABELNO is an integer which is different for each call.  */
        !          1454: 
        !          1455: #define ASM_FORMAT_PRIVATE_NAME(OUTPUT, NAME, LABELNO) \
        !          1456: ( (OUTPUT) = (char *) alloca (strlen ((NAME)) + 10),   \
        !          1457:   sprintf ((OUTPUT), "%s.%d", (NAME), (LABELNO)))
        !          1458: 
        !          1459: /* Output an arg count before function entries. */
        !          1460: 
        !          1461: #define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL)    \
        !          1462:   asm_declare_function_name (FILE, NAME, DECL)
        !          1463: 
        !          1464: /* Define the parentheses used to group arithmetic operations
        !          1465:    in assembler code.  */
        !          1466: 
        !          1467: #define ASM_OPEN_PAREN "("
        !          1468: #define ASM_CLOSE_PAREN ")"
        !          1469: 
        !          1470: /* Define results of standard character escape sequences.  */
        !          1471: #define TARGET_BELL 007
        !          1472: #define TARGET_BS 010
        !          1473: #define TARGET_TAB 011
        !          1474: #define TARGET_NEWLINE 012
        !          1475: #define TARGET_VT 013
        !          1476: #define TARGET_FF 014
        !          1477: #define TARGET_CR 015
        !          1478: 
        !          1479: /* Print an instruction operand X on file FILE.
        !          1480:    CODE is the code from the %-spec that requested printing this operand;
        !          1481:    if `%z3' was used to print operand 3, then CODE is 'z'. */
        !          1482: 
        !          1483: #define PRINT_OPERAND(FILE, X, CODE)  \
        !          1484:     print_operand (FILE, X, CODE)
        !          1485: 
        !          1486: /* Print a memory operand whose address is X, on file FILE. */
        !          1487: 
        !          1488: #define PRINT_OPERAND_ADDRESS(FILE, ADDR)                              \
        !          1489:     print_operand_address (FILE, ADDR)
        !          1490: 
        !          1491: /* Definitions for g++.  */
        !          1492: 
        !          1493: /* Do not put out GNU stabs for constructors and destructors.
        !          1494:    ld bounces them.  */
        !          1495: 
        !          1496: #define FASCIST_ASSEMBLER
        !          1497: 
        !          1498: /* Convex user addresses are negative, so use positive numbers
        !          1499:    to mean `vtable index'.  */
        !          1500: 
        !          1501: #define VTABLE_USES_MASK
        !          1502: #define VINDEX_MAX ((unsigned) 0x80000000)
        !          1503: #define SET_DECL_VINDEX(DECL, INDEX) \
        !          1504:   (DECL_VINDEX (DECL) = (INDEX))
        !          1505: 
        !          1506: /* __gcc_cleanup is loader-aliased to __ap$do_registered_functions if we
        !          1507:    are linking against standard libc, 0 if old (-traditional) libc. */
        !          1508: 
        !          1509: #define EXIT_BODY \
        !          1510: {                                                                      \
        !          1511:   extern void __gcc_cleanup ();                                                \
        !          1512:   if (__gcc_cleanup != _cleanup)                                       \
        !          1513:     __gcc_cleanup ();                                                  \
        !          1514:   _cleanup ();                                                         \
        !          1515: }
        !          1516: 
        !          1517: /* cexp.y uses LONG_TYPE_SIZE which depends on target_flags, which it
        !          1518:    doesn't have.  Until some better way exists, provide a def here. */
        !          1519: #ifdef YYBISON
        !          1520: int target_flags;
        !          1521: #endif
        !          1522: 
        !          1523: /* Header for convex.c.
        !          1524:    Here at the end so we can use types defined above. */
        !          1525: 
        !          1526: extern int target_cpu;
        !          1527: extern int current_section_is_text;
        !          1528: extern enum reg_class regno_reg_class[];
        !          1529: extern enum reg_class reg_class_from_letter[];
        !          1530: extern char regno_ok_for_index_p_base[];
        !          1531: #define regno_ok_for_index_p (regno_ok_for_index_p_base + 1)
        !          1532: 
        !          1533: extern int const_double_low_int ();
        !          1534: extern int const_double_high_int ();
        !          1535: extern char *output_cmp ();
        !          1536: extern char *output_condjump ();
        !          1537: extern char *output_call ();
        !          1538: extern void gen_ap_for_call ();
        !          1539: extern void check_float_value ();
        !          1540: extern void asm_declare_function_name ();

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