1/* Definitions of target machine for GNU compiler. Iris version 6. 2 Copyright (C) 1994, 1995, 1996, 1997, 1998, 2000, 2001, 2002, 2003 3 Free Software Foundation, Inc. 4 5This file is part of GNU CC. 6 7GNU CC is free software; you can redistribute it and/or modify 8it under the terms of the GNU General Public License as published by 9the Free Software Foundation; either version 2, or (at your option) 10any later version. 11 12GNU CC is distributed in the hope that it will be useful, 13but WITHOUT ANY WARRANTY; without even the implied warranty of 14MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15GNU General Public License for more details. 16 17You should have received a copy of the GNU General Public License 18along with GNU CC; see the file COPYING. If not, write to 19the Free Software Foundation, 59 Temple Place - Suite 330, 20Boston, MA 02111-1307, USA. */ 21 22/* Let mips.c know we need the Irix6 functions. */ 23#define TARGET_IRIX6 1 24 25/* Default to -mabi=n32 and -mips3. */ 26#define MIPS_ISA_DEFAULT 3 27#define MIPS_ABI_DEFAULT ABI_N32 28#define MULTILIB_DEFAULTS { "mabi=n32" } 29 30#ifndef TARGET_DEFAULT 31#define TARGET_DEFAULT (MASK_ABICALLS|MASK_FLOAT64|MASK_64BIT) 32#endif 33 34#include "mips/iris5.h" 35 36/* Irix6 assembler does handle DWARF2 directives. Override setting in 37 irix5.h file. */ 38#undef DWARF2_UNWIND_INFO 39 40/* The Irix6 assembler will sometimes assign labels to the wrong 41 section unless the labels are within .ent/.end blocks. Therefore, 42 we avoid creating such labels. */ 43#define DWARF2_GENERATE_TEXT_SECTION_LABEL 0 44 45/* wchar_t is defined differently with and without -mabi=64. */ 46 47#undef WCHAR_TYPE 48#define WCHAR_TYPE (Pmode == DImode ? "int" : "long int") 49 50#undef WCHAR_TYPE_SIZE 51#define WCHAR_TYPE_SIZE 32 52 53/* Same for wint_t. */ 54 55#undef WINT_TYPE 56#define WINT_TYPE (Pmode == DImode ? "int" : "long int") 57 58#undef WINT_TYPE_SIZE 59#define WINT_TYPE_SIZE 32 60 61/* For Irix 6, -mabi=64 implies TARGET_LONG64. */ 62/* This is handled in override_options. */ 63 64#undef SUBTARGET_CC1_SPEC 65#define SUBTARGET_CC1_SPEC "" 66 67/* We must pass -D_LONGLONG always, even when -ansi is used, because irix6 68 system header files require it. This is OK, because gcc never warns 69 when long long is used in system header files. Alternatively, we can 70 add support for the SGI builtin type __long_long. */ 71 72/* The GNU C++ standard library requires that __EXTENSIONS__ and 73 _SGI_SOURCE be defined on at least irix6.2 and probably all IRIX 6 74 prior to 6.5. They normally get defined if !ansi, for g++ we want 75 them regardless. We don't need this on IRIX 6.5 itself, but it 76 shouldn't hurt other than the namespace pollution. */ 77 78/* Undefine because this includes iris5.h. */ 79#undef TARGET_OS_CPP_BUILTINS 80#define TARGET_OS_CPP_BUILTINS() \ 81 do { \ 82 builtin_define_std ("host_mips"); \ 83 builtin_define ("_LONGLONG"); \ 84 builtin_define ("_MODERN_C"); \ 85 builtin_define ("_SVR4_SOURCE"); \ 86 builtin_define_std ("SYSTYPE_SVR4"); \ 87 builtin_define ("__DSO__"); \ 88 builtin_define_std ("unix"); \ 89 builtin_define_std ("sgi"); \ 90 builtin_assert ("system=svr4"); \ 91 builtin_assert ("system=unix"); \ 92 builtin_assert ("machine=sgi"); \ 93 \ 94 if (mips_abi == ABI_32) \ 95 { \ 96 builtin_define ("_MIPS_SIM=_MIPS_SIM_ABI32"); \ 97 builtin_define ("_MIPS_SZLONG=32"); \ 98 builtin_define ("_MIPS_SZPTR=32"); \ 99 } \ 100 else if (mips_abi == ABI_64) \ 101 { \ 102 builtin_define ("_ABI64=3"); \ 103 builtin_define ("_MIPS_SIM=_ABI64"); \ 104 builtin_define ("_MIPS_SZLONG=64"); \ 105 builtin_define ("_MIPS_SZPTR=64"); \ 106 } \ 107 else \ 108 { \ 109 builtin_define ("_ABIN32=2"); \ 110 builtin_define ("_MIPS_SIM=_ABIN32"); \ 111 builtin_define ("_MIPS_SZLONG=32"); \ 112 builtin_define ("_MIPS_SZPTR=32"); \ 113 } \ 114 \ 115 if (!TARGET_FLOAT64) \ 116 builtin_define ("_MIPS_FPSET=16"); \ 117 else \ 118 builtin_define ("_MIPS_FPSET=32"); \ 119 \ 120 if (!TARGET_INT64) \ 121 builtin_define ("_MIPS_SZINT=32"); \ 122 else \ 123 builtin_define ("_MIPS_SZINT=64"); \ 124 \ 125 if (!ISA_MIPS1 && !ISA_MIPS2) \ 126 builtin_define ("_COMPILER_VERSION=601"); \ 127 \ 128 /* IRIX 6.5.18 and above provide many ISO C99 \ 129 features protected by the __c99 macro. \ 130 libstdc++ v3 needs them as well. */ \ 131 if ((c_language == clk_c && flag_isoc99) \ 132 || c_language == clk_cplusplus) \ 133 builtin_define ("__c99"); \ 134 \ 135 if (c_language == clk_cplusplus) \ 136 { \ 137 builtin_define ("__EXTENSIONS__"); \ 138 builtin_define ("_SGI_SOURCE"); \ 139 } \ 140 \ 141 if (!flag_iso) \ 142 { \ 143 builtin_define ("__EXTENSIONS__"); \ 144 builtin_define ("_SGI_SOURCE"); \ 145 } \ 146} while (0) 147 148/* Irix 6 uses DWARF-2. */ 149#define DWARF2_DEBUGGING_INFO 1 150#define MIPS_DEBUGGING_INFO 1 151#undef PREFERRED_DEBUGGING_TYPE 152#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG 153 154/* Force the generation of dwarf .debug_frame sections even if not 155 compiling -g. This guarantees that we can unwind the stack. */ 156#define DWARF2_FRAME_INFO 1 157 158/* The size in bytes of a DWARF field indicating an offset or length 159 relative to a debug info section, specified to be 4 bytes in the DWARF-2 160 specification. The SGI/MIPS ABI defines it to be the same as PTR_SIZE. */ 161#define DWARF_OFFSET_SIZE PTR_SIZE 162 163/* There is no GNU as port for Irix6 yet, so we set MD_EXEC_PREFIX so that 164 gcc will automatically find SGI as instead of searching the user's path. 165 The latter can fail when building a cross compiler if the user has . in 166 the path before /usr/bin, since then gcc will find and try to use the link 167 to the cross assembler which can't possibly work. */ 168 169#undef MD_EXEC_PREFIX 170#define MD_EXEC_PREFIX "/usr/bin/" 171 172/* We have no need for MD_STARTFILE_PREFIX. */ 173#undef MD_STARTFILE_PREFIX 174 175#undef MACHINE_TYPE 176#define MACHINE_TYPE "SGI running IRIX 6.x" 177 178/* Irix 5 stuff that we don't need for Irix 6. */ 179/* ??? We do need this for the -mabi=32 switch though. */ 180#undef ASM_OUTPUT_UNDEF_FUNCTION 181#undef ASM_OUTPUT_EXTERNAL_LIBCALL 182#undef ASM_DECLARE_FUNCTION_SIZE 183 184/* Stuff we need for Irix 6 that isn't in Irix 5. */ 185 186/* The SGI assembler doesn't like labels before the .ent, so we must output 187 the .ent and function name here, which is the normal place for it. */ 188 189#undef ASM_DECLARE_FUNCTION_NAME 190#define ASM_DECLARE_FUNCTION_NAME(STREAM, NAME, DECL) \ 191 do { \ 192 fputs ("\t.ent\t", STREAM); \ 193 assemble_name (STREAM, NAME); \ 194 fputs ("\n", STREAM); \ 195 assemble_name (STREAM, NAME); \ 196 fputs (":\n", STREAM); \ 197 } while (0) 198 199/* Likewise, the SGI assembler doesn't like labels after the .end, so we 200 must output the .end here. */ 201#define ASM_DECLARE_FUNCTION_SIZE(STREAM, NAME, DECL) \ 202 do { \ 203 fputs ("\t.end\t", STREAM); \ 204 assemble_name (STREAM, NAME); \ 205 fputs ("\n", STREAM); \ 206 } while (0) 207 208/* Tell function_prologue in mips.c that we have already output the .ent/.end 209 pseudo-ops. */ 210#define FUNCTION_NAME_ALREADY_DECLARED 211 212#undef SET_ASM_OP /* Has no equivalent. See ASM_OUTPUT_DEF below. */ 213 214#if 0 215/* This is *NOT* how to equate one symbol to another symbol. The assembler 216 '=' syntax just equates a name to a constant expression. 217 See ASM_OUTPUT_WEAK_ALIAS. */ 218 219#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2) \ 220 do { fprintf ((FILE), "\t"); \ 221 assemble_name (FILE, LABEL1); \ 222 fprintf (FILE, " = "); \ 223 assemble_name (FILE, LABEL2); \ 224 fprintf (FILE, "\n"); \ 225 } while (0) 226#endif 227 228/* Define the strings used for the special svr4 .type and .size directives. */ 229 230#define TYPE_ASM_OP "\t.type\t" 231#define SIZE_ASM_OP "\t.size\t" 232 233/* Irix assembler does not support the init_priority C++ attribute. */ 234#undef SUPPORTS_INIT_PRIORITY 235#define SUPPORTS_INIT_PRIORITY 0 236 237/* A linker error can empirically be avoided by removing duplicate 238 library search directories. */ 239#define LINK_ELIMINATE_DUPLICATE_LDIRECTORIES 1 240 241#define POPSECTION_ASM_OP "\t.popsection" 242 243/* ??? If no mabi=X option give, but a mipsX option is, then should depend 244 on the mipsX option. */ 245/* If no mips[3,4] option given, give the appropriate default for mabi=X */ 246#undef SUBTARGET_ASM_SPEC 247#define SUBTARGET_ASM_SPEC "%{!mabi*:-n32} %{!mips*: %{!mabi*:-mips3} %{mabi=n32|mabi=64:-mips3}}" 248 249/* Must pass -g0 to the assembler, otherwise it may overwrite our 250 debug info with its own debug info. */ 251/* Must pass -show instead of -v. */ 252/* Must pass -G 0 to the assembler, otherwise we may get warnings about 253 GOT overflow. */ 254/* ??? We pass -w to disable all assembler warnings. The `label should be 255 inside .ent/.end block' warning that we get for DWARF II debug info labels 256 is particularly annoying. */ 257#undef SUBTARGET_MIPS_AS_ASM_SPEC 258#define SUBTARGET_MIPS_AS_ASM_SPEC "%{v:-show} -G 0 -w" 259 260#undef SUBTARGET_ASM_DEBUGGING_SPEC 261#define SUBTARGET_ASM_DEBUGGING_SPEC "-g0" 262 263/* The MIPS assembler occasionally misoptimizes. Since GCC should be 264 doing scheduling anyhow, just turn off optimization in the assembler. */ 265#undef SUBTARGET_ASM_OPTIMIZING_SPEC 266#define SUBTARGET_ASM_OPTIMIZING_SPEC "-O0" 267 268/* The assembler now accepts .section pseudo-ops, but it does not allow 269 one to change the section in the middle of a function, so we can't use 270 the INIT_SECTION_ASM_OP code in crtstuff. But we can build up the ctor 271 and dtor lists this way, so we use -init and -fini to invoke the 272 do_global_* functions instead of running collect2. */ 273 274#define BSS_SECTION_ASM_OP "\t.section\t.bss" 275 276#undef READONLY_DATA_SECTION_ASM_OP 277#define READONLY_DATA_SECTION_ASM_OP_32 "\t.rdata" 278#define READONLY_DATA_SECTION_ASM_OP_64 "\t.section\t.rodata" 279#define READONLY_DATA_SECTION_ASM_OP \ 280 (mips_abi != ABI_32 && mips_abi != ABI_O64 \ 281 ? READONLY_DATA_SECTION_ASM_OP_64 \ 282 : READONLY_DATA_SECTION_ASM_OP_32) 283 284/* A default list of other sections which we might be "in" at any given 285 time. For targets that use additional sections (e.g. .tdesc) you 286 should override this definition in the target-specific file which 287 includes this file. */ 288 289#undef EXTRA_SECTIONS 290#define EXTRA_SECTIONS in_sdata 291 292/* A default list of extra section function definitions. For targets 293 that use additional sections (e.g. .tdesc) you should override this 294 definition in the target-specific file which includes this file. */ 295 296#undef EXTRA_SECTION_FUNCTIONS 297#define EXTRA_SECTION_FUNCTIONS \ 298void \ 299sdata_section () \ 300{ \ 301 if (in_section != in_sdata) \ 302 { \ 303 fprintf (asm_out_file, "%s\n", SDATA_SECTION_ASM_OP); \ 304 in_section = in_sdata; \ 305 } \ 306} \ 307 \ 308const char * \ 309current_section_name () \ 310{ \ 311 switch (in_section) \ 312 { \ 313 case no_section: return NULL; \ 314 case in_text: return ".text"; \ 315 case in_data: return ".data"; \ 316 case in_sdata: return ".sdata"; \ 317 case in_bss: return ".bss"; \ 318 case in_readonly_data: \ 319 if (mips_abi != ABI_32 && mips_abi != ABI_O64) \ 320 return ".rodata"; \ 321 else \ 322 return ".rdata"; \ 323 case in_named: \ 324 return in_named_name; \ 325 } \ 326 abort (); \ 327} \ 328 \ 329unsigned int \ 330current_section_flags () \ 331{ \ 332 switch (in_section) \ 333 { \ 334 case no_section: return 0; \ 335 case in_text: return SECTION_CODE; \ 336 case in_data: return SECTION_WRITE; \ 337 case in_sdata: return SECTION_WRITE | SECTION_SMALL; \ 338 case in_bss: return SECTION_WRITE | SECTION_BSS; \ 339 case in_readonly_data: return 0; \ 340 case in_named: return get_named_section_flags (in_named_name); \ 341 } \ 342 abort (); \ 343} 344 345/* Switch into a generic section. */ 346#undef TARGET_ASM_NAMED_SECTION 347#define TARGET_ASM_NAMED_SECTION iris6_asm_named_section 348 349/* SGI assembler needs all sorts of extra help to do alignment properly. */ 350#undef ASM_OUTPUT_ALIGN 351#define ASM_OUTPUT_ALIGN iris6_asm_output_align 352#undef ASM_FILE_START 353#define ASM_FILE_START iris6_asm_file_start 354#undef ASM_FILE_END 355#define ASM_FILE_END iris6_asm_file_end 356 357#undef MAX_OFILE_ALIGNMENT 358#define MAX_OFILE_ALIGNMENT (32768*8) 359 360/* ??? SGI assembler may core dump when compiling with -g. 361 Sometimes as succeeds, but then we get a linker error. (cmds.c in 072.sc) 362 Getting rid of .file solves both problems. */ 363#undef ASM_OUTPUT_FILENAME 364#define ASM_OUTPUT_FILENAME(STREAM, NUM_SOURCE_FILENAMES, NAME) \ 365do \ 366 { \ 367 fprintf (STREAM, "\t#.file\t%d ", NUM_SOURCE_FILENAMES); \ 368 output_quoted_string (STREAM, NAME); \ 369 fputs ("\n", STREAM); \ 370 } \ 371while (0) 372 373/* ??? SGI assembler gives warning whenever .lcomm is used. */ 374#undef ASM_OUTPUT_LOCAL 375#define ASM_OUTPUT_ALIGNED_LOCAL(STREAM, NAME, SIZE, ALIGN) \ 376do \ 377 { \ 378 if (mips_abi != ABI_32 && mips_abi != ABI_O64) \ 379 { \ 380 bss_section (); \ 381 mips_declare_object (STREAM, NAME, "", ":\n", 0); \ 382 ASM_OUTPUT_ALIGN (STREAM, floor_log2 (ALIGN / BITS_PER_UNIT)); \ 383 ASM_OUTPUT_SKIP (STREAM, SIZE); \ 384 } \ 385 else \ 386 mips_declare_object (STREAM, NAME, "\n\t.lcomm\t", ",%u\n", (SIZE)); \ 387 } \ 388while (0) 389 390/* A C statement (sans semicolon) to output to the stdio stream 391 FILE the assembler definition of uninitialized global DECL named 392 NAME whose size is SIZE bytes and alignment is ALIGN bytes. 393 Try to use asm_output_aligned_bss to implement this macro. */ 394 395#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \ 396 asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN) 397 398/* Write the extra assembler code needed to declare an object properly. */ 399 400#undef ASM_DECLARE_OBJECT_NAME 401#define ASM_DECLARE_OBJECT_NAME(STREAM, NAME, DECL) \ 402do \ 403 { \ 404 HOST_WIDE_INT size; \ 405 size_directive_output = 0; \ 406 if (!flag_inhibit_size_directive && DECL_SIZE (DECL)) \ 407 { \ 408 size_directive_output = 1; \ 409 size = int_size_in_bytes (TREE_TYPE (DECL)); \ 410 ASM_OUTPUT_SIZE_DIRECTIVE (STREAM, NAME, size); \ 411 } \ 412 mips_declare_object (STREAM, NAME, "", ":\n", 0); \ 413 } \ 414while (0) 415 416/* Define the `__builtin_va_list' type for the ABI. On Irix6, this 417 type is `char *'. */ 418#undef BUILD_VA_LIST_TYPE 419#define BUILD_VA_LIST_TYPE(VALIST) \ 420 (VALIST) = build_pointer_type (char_type_node) 421 422/* Output the size directive for a decl in rest_of_decl_compilation 423 in the case where we did not do so before the initializer. 424 Once we find the error_mark_node, we know that the value of 425 size_directive_output was set 426 by ASM_DECLARE_OBJECT_NAME when it was run for the same decl. */ 427 428#define ASM_FINISH_DECLARE_OBJECT(FILE, DECL, TOP_LEVEL, AT_END) \ 429do { \ 430 const char *name = XSTR (XEXP (DECL_RTL (DECL), 0), 0); \ 431 HOST_WIDE_INT size; \ 432 if (!flag_inhibit_size_directive && DECL_SIZE (DECL) \ 433 && ! AT_END && TOP_LEVEL \ 434 && DECL_INITIAL (DECL) == error_mark_node \ 435 && !size_directive_output) \ 436 { \ 437 size_directive_output = 1; \ 438 size = int_size_in_bytes (TREE_TYPE (DECL)); \ 439 ASM_OUTPUT_SIZE_DIRECTIVE (FILE, name, size); \ 440 } \ 441 } while (0) 442 443#undef LOCAL_LABEL_PREFIX 444#define LOCAL_LABEL_PREFIX ((mips_abi == ABI_32 || mips_abi == ABI_O64) \ 445 ? "$" : ".") 446 447/* Profiling is supported via libprof1.a not -lc_p as in Irix 3. */ 448/* ??? If no mabi=X option give, but a mipsX option is, then should depend 449 on the mipsX option. */ 450#undef STARTFILE_SPEC 451#define STARTFILE_SPEC \ 452 "%{!shared: \ 453 %{mabi=32:%{pg:gcrt1.o%s} \ 454 %{!pg:%{p:mcrt1.o%s libprof1.a%s}%{!p:crt1.o%s}}} \ 455 %{mabi=n32: \ 456 %{mips4:%{pg:/usr/lib32/mips4/gcrt1.o%s} \ 457 %{!pg:%{p:/usr/lib32/mips4/mcrt1.o%s /usr/lib32/mips4/libprof1.a%s} \ 458 %{!p:/usr/lib32/mips4/crt1.o%s}}} \ 459 %{!mips4:%{pg:/usr/lib32/mips3/gcrt1.o%s} \ 460 %{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s} \ 461 %{!p:/usr/lib32/mips3/crt1.o%s}}}} \ 462 %{mabi=64: \ 463 %{mips4:%{pg:/usr/lib64/mips4/gcrt1.o} \ 464 %{!pg:%{p:/usr/lib64/mips4/mcrt1.o /usr/lib64/mips4/libprof1.a} \ 465 %{!p:/usr/lib64/mips4/crt1.o}}} \ 466 %{!mips4:%{pg:/usr/lib64/mips3/gcrt1.o} \ 467 %{!pg:%{p:/usr/lib64/mips3/mcrt1.o /usr/lib64/mips3/libprof1.a} \ 468 %{!p:/usr/lib64/mips3/crt1.o}}}} \ 469 %{!mabi*: \ 470 %{mips4:%{pg:/usr/lib32/mips4/gcrt1.o%s} \ 471 %{!pg:%{p:/usr/lib32/mips4/mcrt1.o%s /usr/lib32/mips4/libprof1.a%s} \ 472 %{!p:/usr/lib32/mips4/crt1.o%s}}} \ 473 %{!mips4:%{pg:/usr/lib32/mips3/gcrt1.o%s} \ 474 %{!pg:%{p:/usr/lib32/mips3/mcrt1.o%s /usr/lib32/mips3/libprof1.a%s} \ 475 %{!p:/usr/lib32/mips3/crt1.o%s}}}}} \ 476 crtbegin.o%s" 477 478#undef LIB_SPEC 479#define LIB_SPEC \ 480 "%{mabi=n32: %{mips4:-L/usr/lib32/mips4} %{!mips4:-L/usr/lib32/mips3} \ 481 -L/usr/lib32} \ 482 %{mabi=64: %{mips4:-L/usr/lib64/mips4} %{!mips4:-L/usr/lib64/mips3} \ 483 -L/usr/lib64} \ 484 %{!mabi*: %{mips4:-L/usr/lib32/mips4} %{!mips4:-L/usr/lib32/mips3} \ 485 -L/usr/lib32} \ 486 %{!shared: \ 487 -dont_warn_unused %{p:libprof1.a%s}%{pg:libprof1.a%s} -lc -warn_unused}" 488 489/* Avoid getting two warnings for libgcc.a everytime we link. */ 490#undef LIBGCC_SPEC 491#define LIBGCC_SPEC "-dont_warn_unused -lgcc -warn_unused" 492 493/* ??? If no mabi=X option give, but a mipsX option is, then should depend 494 on the mipsX option. */ 495#undef ENDFILE_SPEC 496#define ENDFILE_SPEC \ 497 "crtend.o%s \ 498 %{!shared: \ 499 %{mabi=32:crtn.o%s}\ 500 %{mabi=n32:%{mips4:/usr/lib32/mips4/crtn.o%s}\ 501 %{!mips4:/usr/lib32/mips3/crtn.o%s}}\ 502 %{mabi=64:%{mips4:/usr/lib64/mips4/crtn.o%s}\ 503 %{!mips4:/usr/lib64/mips3/crtn.o%s}}\ 504 %{!mabi*:%{mips4:/usr/lib32/mips4/crtn.o%s}\ 505 %{!mips4:/usr/lib32/mips3/crtn.o%s}}}" 506 507/* ??? If no mabi=X option give, but a mipsX option is, then should depend 508 on the mipsX option. */ 509#undef LINK_SPEC 510#define LINK_SPEC "\ 511%{G*} %{EB} %{EL} %{mips1} %{mips2} %{mips3} %{mips4} \ 512%{bestGnum} %{shared} %{non_shared} \ 513%{call_shared} %{no_archive} %{exact_version} %{w} \ 514%{!shared: %{!non_shared: %{!call_shared: -call_shared -no_unresolved}}} \ 515%{rpath} -init __do_global_ctors -fini __do_global_dtors \ 516%{shared:-hidden_symbol __do_global_ctors,__do_global_ctors_1,__do_global_dtors} \ 517-_SYSTYPE_SVR4 -woff 131 \ 518%{mabi=32: -32}%{mabi=n32: -n32}%{mabi=64: -64}%{!mabi*: -n32}" 519 520#define MIPS_TFMODE_FORMAT ibm_extended_format 521