1/* Definitions of target machine for GCC, for SPARC running Solaris 2 2 Copyright (C) 1992-2020 Free Software Foundation, Inc. 3 Contributed by Ron Guilmette (rfg@netcom.com). 4 Additional changes by David V. Henkel-Wallace (gumby@cygnus.com). 5 6This file is part of GCC. 7 8GCC is free software; you can redistribute it and/or modify 9it under the terms of the GNU General Public License as published by 10the Free Software Foundation; either version 3, or (at your option) 11any later version. 12 13GCC is distributed in the hope that it will be useful, 14but WITHOUT ANY WARRANTY; without even the implied warranty of 15MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16GNU General Public License for more details. 17 18You should have received a copy of the GNU General Public License 19along with GCC; see the file COPYING3. If not see 20<http://www.gnu.org/licenses/>. */ 21 22/* Solaris allows 64-bit out and global registers to be used in 32-bit mode. 23 sparc_override_options will disable V8+ if either not generating V9 code 24 or generating 64-bit code. */ 25#undef TARGET_DEFAULT 26#ifdef TARGET_64BIT_DEFAULT 27#define TARGET_DEFAULT \ 28 (MASK_V9 + MASK_64BIT + MASK_PTR64 + MASK_STACK_BIAS + \ 29 MASK_V8PLUS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128) 30#else 31#define TARGET_DEFAULT \ 32 (MASK_V8PLUS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128) 33#endif 34 35/* The default code model used to be CM_MEDANY on Solaris 36 but even Sun eventually found it to be quite wasteful 37 and changed it to CM_MEDMID in the Studio 9 compiler. */ 38#undef SPARC_DEFAULT_CMODEL 39#define SPARC_DEFAULT_CMODEL CM_MEDMID 40 41/* Select a format to encode pointers in exception handling data. CODE 42 is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is 43 true if the symbol may be affected by dynamic relocations. 44 45 Some Solaris dynamic linkers don't handle unaligned section relative 46 relocs properly, so force them to be aligned. */ 47#ifndef HAVE_AS_SPARC_UA_PCREL 48#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ 49 ((flag_pic || GLOBAL) ? DW_EH_PE_aligned : DW_EH_PE_absptr) 50#endif 51 52 53 54/* Supposedly the same as vanilla sparc svr4, except for the stuff below: */ 55 56/* If the assembler supports -xarch=sparc4, we switch to the explicit 57 word size selection mechanism available both in GNU as and Sun as, 58 for the Niagara4 and above configurations. */ 59#ifdef HAVE_AS_SPARC4 60 61#define AS_SPARC32_FLAG "" 62#define AS_SPARC64_FLAG "" 63 64#ifndef USE_GAS 65#undef ASM_ARCH32_SPEC 66#define ASM_ARCH32_SPEC "-m32" 67#undef ASM_ARCH64_SPEC 68#define ASM_ARCH64_SPEC "-m64" 69#endif 70 71/* Both Sun as and GNU as understand -K PIC. */ 72#undef ASM_SPEC 73#define ASM_SPEC ASM_SPEC_BASE " %(asm_arch)" ASM_PIC_SPEC 74 75#else /* HAVE_AS_SPARC4 */ 76 77#define AS_SPARC32_FLAG "-xarch=v8plus" 78#define AS_SPARC64_FLAG "-xarch=v9" 79 80#undef AS_NIAGARA4_FLAG 81#define AS_NIAGARA4_FLAG AS_NIAGARA3_FLAG 82 83#undef ASM_ARCH32_SPEC 84#define ASM_ARCH32_SPEC "" 85 86#undef ASM_ARCH64_SPEC 87#define ASM_ARCH64_SPEC "" 88 89#undef ASM_ARCH_DEFAULT_SPEC 90#define ASM_ARCH_DEFAULT_SPEC "" 91 92#undef ASM_ARCH_SPEC 93#define ASM_ARCH_SPEC "" 94 95/* Both Sun as and GNU as understand -K PIC. */ 96#undef ASM_SPEC 97#define ASM_SPEC ASM_SPEC_BASE ASM_PIC_SPEC 98 99#endif /* HAVE_AS_SPARC4 */ 100 101 102#undef ASM_CPU32_DEFAULT_SPEC 103#define ASM_CPU32_DEFAULT_SPEC "" 104#undef ASM_CPU64_DEFAULT_SPEC 105#define ASM_CPU64_DEFAULT_SPEC "-xarch=v9" 106 107#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 108#undef CPP_CPU64_DEFAULT_SPEC 109#define CPP_CPU64_DEFAULT_SPEC "" 110#undef ASM_CPU32_DEFAULT_SPEC 111#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plus" 112#endif 113 114#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc 115#undef CPP_CPU64_DEFAULT_SPEC 116#define CPP_CPU64_DEFAULT_SPEC "" 117#undef ASM_CPU32_DEFAULT_SPEC 118#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plusa" 119#undef ASM_CPU64_DEFAULT_SPEC 120#define ASM_CPU64_DEFAULT_SPEC "-xarch=v9a" 121#endif 122 123#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3 124#undef CPP_CPU64_DEFAULT_SPEC 125#define CPP_CPU64_DEFAULT_SPEC "" 126#undef ASM_CPU32_DEFAULT_SPEC 127#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plusb" 128#undef ASM_CPU64_DEFAULT_SPEC 129#define ASM_CPU64_DEFAULT_SPEC "-xarch=v9b" 130#endif 131 132#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara 133#undef CPP_CPU64_DEFAULT_SPEC 134#define CPP_CPU64_DEFAULT_SPEC "" 135#undef ASM_CPU32_DEFAULT_SPEC 136#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plusb" 137#undef ASM_CPU64_DEFAULT_SPEC 138#define ASM_CPU64_DEFAULT_SPEC "-xarch=v9b" 139#endif 140 141#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara2 142#undef CPP_CPU64_DEFAULT_SPEC 143#define CPP_CPU64_DEFAULT_SPEC "" 144#undef ASM_CPU32_DEFAULT_SPEC 145#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plusb" 146#undef ASM_CPU64_DEFAULT_SPEC 147#define ASM_CPU64_DEFAULT_SPEC "-xarch=v9b" 148#endif 149 150#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara3 151#undef CPP_CPU64_DEFAULT_SPEC 152#define CPP_CPU64_DEFAULT_SPEC "" 153#undef ASM_CPU32_DEFAULT_SPEC 154#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plus" AS_NIAGARA3_FLAG 155#undef ASM_CPU64_DEFAULT_SPEC 156#define ASM_CPU64_DEFAULT_SPEC "-xarch=v9" AS_NIAGARA3_FLAG 157#endif 158 159#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara4 160#undef CPP_CPU64_DEFAULT_SPEC 161#define CPP_CPU64_DEFAULT_SPEC "" 162#undef ASM_CPU32_DEFAULT_SPEC 163#define ASM_CPU32_DEFAULT_SPEC AS_SPARC32_FLAG AS_NIAGARA4_FLAG 164#undef ASM_CPU64_DEFAULT_SPEC 165#define ASM_CPU64_DEFAULT_SPEC AS_SPARC64_FLAG AS_NIAGARA4_FLAG 166#endif 167 168#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara7 169#undef CPP_CPU64_DEFAULT_SPEC 170#define CPP_CPU64_DEFAULT_SPEC "" 171#undef ASM_CPU32_DEFAULT_SPEC 172#define ASM_CPU32_DEFAULT_SPEC AS_SPARC32_FLAG AS_NIAGARA7_FLAG 173#undef ASM_CPU64_DEFAULT_SPEC 174#define ASM_CPU64_DEFAULT_SPEC AS_SPARC64_FLAG AS_NIAGARA7_FLAG 175#endif 176 177#if TARGET_CPU_DEFAULT == TARGET_CPU_m8 178#undef CPP_CPU64_DEFAULT_SPEC 179#define CPP_CPU64_DEFAULT_SPEC "" 180#undef ASM_CPU32_DEFAULT_SPEC 181#define ASM_CPU32_DEFAULT_SPEC AS_SPARC32_FLAG AS_M8_FLAG 182#undef ASM_CPU64_DEFAULT_SPEC 183#define ASM_CPU64_DEFAULT_SPEC AS_SPARC64_FLAG AS_M8_FLAG 184#endif 185 186#undef CPP_CPU_SPEC 187#define CPP_CPU_SPEC "\ 188%{mcpu=sparclet|mcpu=tsc701:-D__sparclet__} \ 189%{mcpu=sparclite|mcpu-f930|mcpu=f934:-D__sparclite__} \ 190%{mcpu=v8:" DEF_ARCH32_SPEC("-D__sparcv8") "} \ 191%{mcpu=supersparc:-D__supersparc__ " DEF_ARCH32_SPEC("-D__sparcv8") "} \ 192%{mcpu=v9|mcpu=ultrasparc|mcpu=ultrasparc3|mcpu=niagara|mcpu=niagara2|mcpu=niagara3|mcpu=niagara4|mcpu=niagara7|mcpu=m8:" DEF_ARCH32_SPEC("-D__sparcv8") "} \ 193%{!mcpu*:%(cpp_cpu_default)} \ 194" 195 196#undef CPP_CPU_DEFAULT_SPEC 197#define CPP_CPU_DEFAULT_SPEC \ 198(DEFAULT_ARCH32_P ? "\ 199%{m64:" CPP_CPU64_DEFAULT_SPEC "} \ 200%{!m64:" CPP_CPU32_DEFAULT_SPEC "} \ 201" : "\ 202%{m32:" CPP_CPU32_DEFAULT_SPEC "} \ 203%{!m32:" CPP_CPU64_DEFAULT_SPEC "} \ 204") 205 206#undef CPP_ARCH32_SPEC 207#define CPP_ARCH32_SPEC "" 208#undef CPP_ARCH64_SPEC 209#define CPP_ARCH64_SPEC "-D__arch64__ -D__sparcv9" 210 211#undef CPP_ARCH_SPEC 212#define CPP_ARCH_SPEC "\ 213%{m32:%(cpp_arch32)} \ 214%{m64:%(cpp_arch64)} \ 215%{!m32:%{!m64:%(cpp_arch_default)}} \ 216" 217 218/* -mcpu=native handling only makes sense with compiler running on 219 a SPARC chip. */ 220#if defined(__sparc__) && defined(__SVR4) 221extern const char *host_detect_local_cpu (int argc, const char **argv); 222# define EXTRA_SPEC_FUNCTIONS \ 223 { "local_cpu_detect", host_detect_local_cpu }, 224 225# define MCPU_MTUNE_NATIVE_SPECS \ 226 " %{mcpu=native:%<mcpu=native %:local_cpu_detect(cpu)}" \ 227 " %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}" 228#else 229# define MCPU_MTUNE_NATIVE_SPECS "" 230#endif 231 232#define DRIVER_SELF_SPECS MCPU_MTUNE_NATIVE_SPECS 233 234#undef CC1_SPEC 235#if DEFAULT_ARCH32_P 236#define CC1_SPEC "\ 237%{m64:%{m32:%emay not use both -m32 and -m64}} \ 238%{m64:-mptr64 -mstack-bias -mno-v8plus \ 239 %{!mcpu*:-%{!mv8plus:mcpu=v9}}} \ 240" ASAN_CC1_SPEC 241#else 242#define CC1_SPEC "\ 243%{m32:%{m64:%emay not use both -m32 and -m64}} \ 244%{m32:-mptr32 -mno-stack-bias \ 245 %{!mcpu*:%{!mv8plus:-mcpu=v9}}} \ 246%{mv8plus:-m32 -mptr32 -mno-stack-bias \ 247 %{!mcpu*:-mcpu=v9}} \ 248" ASAN_CC1_SPEC 249#endif 250 251/* Support for a compile-time default CPU, et cetera. The rules are: 252 --with-cpu is ignored if -mcpu is specified; likewise --with-cpu-32 253 and --with-cpu-64. 254 --with-tune is ignored if -mtune is specified; likewise --with-tune-32 255 and --with-tune-64. 256 --with-float is ignored if -mhard-float, -msoft-float, -mfpu, or -mno-fpu 257 are specified. 258 In the SPARC_BI_ARCH compiler we cannot pass %{!mcpu=*:-mcpu=%(VALUE)} 259 here, otherwise say -mcpu=v7 would be passed even when -m64. 260 CC1_SPEC above takes care of this instead. 261 262 Note that the order of the cpu* and tune* options matters: the 263 config.gcc file always sets with_cpu to some value, even if the 264 user didn't use --with-cpu when invoking the configure script. 265 This value is based on the target name. Therefore we have to make 266 sure that --with-cpu-32 takes precedence to --with-cpu in < v9 267 systems, and that --with-cpu-64 takes precedence to --with-cpu in 268 >= v9 systems. As for the tune* options, in some platforms 269 config.gcc also sets a default value for it if the user didn't use 270 --with-tune when invoking the configure script. */ 271#undef OPTION_DEFAULT_SPECS 272#if DEFAULT_ARCH32_P 273#define OPTION_DEFAULT_SPECS \ 274 {"cpu_32", "%{!m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ 275 {"cpu_64", "%{m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ 276 {"cpu", "%{!m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ 277 {"tune_32", "%{!m64:%{!mtune=*:-mtune=%(VALUE)}}" }, \ 278 {"tune_64", "%{m64:%{!mtune=*:-mtune=%(VALUE)}}" }, \ 279 {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \ 280 {"float", "%{!msoft-float:%{!mhard-float:%{!mfpu:%{!mno-fpu:-m%(VALUE)-float}}}}" } 281#else 282#define OPTION_DEFAULT_SPECS \ 283 {"cpu_32", "%{m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ 284 {"cpu_64", "%{!m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ 285 {"cpu", "%{!m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \ 286 {"tune_32", "%{m32:%{!mtune=*:-mtune=%(VALUE)}}" }, \ 287 {"tune_64", "%{!m32:%{!mtune=*:-mtune=%(VALUE)}}" }, \ 288 {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \ 289 {"float", "%{!msoft-float:%{!mhard-float:%{!mfpu:%{!mno-fpu:-m%(VALUE)-float}}}}" } 290#endif 291 292#undef ASM_CPU_SPEC 293#define ASM_CPU_SPEC "\ 294%{mcpu=v9:" DEF_ARCH32_SPEC("-xarch=v8plus") DEF_ARCH64_SPEC("-xarch=v9") "} \ 295%{mcpu=ultrasparc:" DEF_ARCH32_SPEC("-xarch=v8plusa") DEF_ARCH64_SPEC("-xarch=v9a") "} \ 296%{mcpu=ultrasparc3:" DEF_ARCH32_SPEC("-xarch=v8plusb") DEF_ARCH64_SPEC("-xarch=v9b") "} \ 297%{mcpu=niagara:" DEF_ARCH32_SPEC("-xarch=v8plusb") DEF_ARCH64_SPEC("-xarch=v9b") "} \ 298%{mcpu=niagara2:" DEF_ARCH32_SPEC("-xarch=v8plusb") DEF_ARCH64_SPEC("-xarch=v9b") "} \ 299%{mcpu=niagara3:" DEF_ARCH32_SPEC("-xarch=v8plus" AS_NIAGARA3_FLAG) DEF_ARCH64_SPEC("-xarch=v9" AS_NIAGARA3_FLAG) "} \ 300%{mcpu=niagara4:" DEF_ARCH32_SPEC(AS_SPARC32_FLAG AS_NIAGARA4_FLAG) DEF_ARCH64_SPEC(AS_SPARC64_FLAG AS_NIAGARA4_FLAG) "} \ 301%{mcpu=niagara7:" DEF_ARCH32_SPEC(AS_SPARC32_FLAG AS_NIAGARA7_FLAG) DEF_ARCH64_SPEC(AS_SPARC64_FLAG AS_NIAGARA7_FLAG) "} \ 302%{mcpu=m8:" DEF_ARCH32_SPEC(AS_SPARC32_FLAG AS_M8_FLAG) DEF_ARCH64_SPEC(AS_SPARC64_FLAG AS_M8_FLAG) "} \ 303%{!mcpu=m8:%{!mcpu=niagara7:%{!mcpu=niagara4:%{!mcpu=niagara3:%{!mcpu=niagara2:%{!mcpu=niagara:%{!mcpu=ultrasparc3:%{!mcpu=ultrasparc:%{!mcpu=v9:%{mcpu*:" DEF_ARCH32_SPEC("-xarch=v8") DEF_ARCH64_SPEC("-xarch=v9") "}}}}}}}}}} \ 304%{!mcpu*:%(asm_cpu_default)} \ 305" 306 307#ifdef USE_GLD 308/* Since binutils 2.21, GNU ld supports new *_sol2 emulations to strictly 309 follow the Solaris 2 ABI. Prefer them if present. */ 310#ifdef HAVE_LD_SOL2_EMULATION 311#define ARCH32_EMULATION "elf32_sparc_sol2" 312#define ARCH64_EMULATION "elf64_sparc_sol2" 313#else 314#define ARCH32_EMULATION "elf32_sparc" 315#define ARCH64_EMULATION "elf64_sparc" 316#endif 317#endif 318 319#define ARCH64_SUBDIR "sparcv9" 320 321#define SUBTARGET_CPU_EXTRA_SPECS 322 323#define ENDFILE_ARCH_SPEC "" 324 325/* -fsanitize=address is currently only supported for 32-bit. */ 326#define ASAN_REJECT_SPEC \ 327 DEF_ARCH64_SPEC("%e-fsanitize=address is not supported in this configuration") 328 329 330/* Register the Solaris-specific #pragma directives. */ 331#define REGISTER_TARGET_PRAGMAS() solaris_register_pragmas () 332 333#if defined(USE_GAS) && defined(HAVE_AS_TLS) 334/* Use GNU extensions to TLS support. */ 335#undef TARGET_SUN_TLS 336#undef TARGET_GNU_TLS 337#define TARGET_SUN_TLS 0 338#define TARGET_GNU_TLS 1 339#endif 340 341#undef LOCAL_LABEL_PREFIX 342#define LOCAL_LABEL_PREFIX "." 343 344/* The Solaris 2 assembler uses .skip, not .zero, so put this back. */ 345#undef ASM_OUTPUT_SKIP 346#define ASM_OUTPUT_SKIP(FILE,SIZE) \ 347 fprintf (FILE, "\t.skip %u\n", (int)(SIZE)) 348 349/* This is how to store into the string LABEL 350 the symbol_ref name of an internal numbered label where 351 PREFIX is the class of label and NUM is the number within the class. 352 This is suitable for output with `assemble_name'. */ 353 354#undef ASM_GENERATE_INTERNAL_LABEL 355#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ 356 sprintf ((LABEL), "*.L%s%lu", (PREFIX), (unsigned long)(NUM)) 357 358/* The native TLS-enabled assembler requires the directive #tls_object 359 to be put on objects in TLS sections (as of v7.1). This is not 360 required by GNU as but supported on SPARC. */ 361#undef ASM_DECLARE_OBJECT_NAME 362#define ASM_DECLARE_OBJECT_NAME(FILE, NAME, DECL) \ 363 do \ 364 { \ 365 HOST_WIDE_INT size; \ 366 \ 367 if (targetm.have_tls && DECL_THREAD_LOCAL_P (DECL)) \ 368 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "tls_object"); \ 369 else \ 370 ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \ 371 \ 372 size_directive_output = 0; \ 373 if (!flag_inhibit_size_directive \ 374 && (DECL) && DECL_SIZE (DECL)) \ 375 { \ 376 size_directive_output = 1; \ 377 size = int_size_in_bytes (TREE_TYPE (DECL)); \ 378 ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, size); \ 379 } \ 380 \ 381 ASM_OUTPUT_LABEL (FILE, NAME); \ 382 } \ 383 while (0) 384 385/* Output a simple call for .init/.fini. */ 386#define ASM_OUTPUT_CALL(FILE, FN) \ 387 do \ 388 { \ 389 fprintf (FILE, "\tcall\t"); \ 390 targetm.asm_out.print_operand (FILE, XEXP (DECL_RTL (FN), 0), 0); \ 391 fprintf (FILE, "\n\tnop\n"); \ 392 } \ 393 while (0) 394 395/* Solaris as has a bug: a .common directive in .tbss or .tdata section 396 behaves as .tls_common rather than normal non-TLS .common. */ 397#undef ASM_OUTPUT_ALIGNED_COMMON 398#define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \ 399 do \ 400 { \ 401 if (TARGET_SUN_TLS \ 402 && in_section \ 403 && ((in_section->common.flags & SECTION_TLS) == SECTION_TLS)) \ 404 switch_to_section (bss_section); \ 405 fprintf ((FILE), "%s", COMMON_ASM_OP); \ 406 assemble_name ((FILE), (NAME)); \ 407 fprintf ((FILE), "," HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ 408 (SIZE), (ALIGN) / BITS_PER_UNIT); \ 409 } \ 410 while (0) 411 412#ifndef USE_GAS 413/* This is how to output an assembler line that says to advance 414 the location counter to a multiple of 2**LOG bytes using the 415 NOP instruction as padding. The filler pattern doesn't work 416 with GNU as. */ 417#define ASM_OUTPUT_ALIGN_WITH_NOP(FILE,LOG) \ 418 if ((LOG) != 0) \ 419 fprintf (FILE, "\t.align %d,0x1000000\n", (1 << (LOG))) 420 421/* Use Solaris ELF section syntax with Sun as. */ 422#undef TARGET_ASM_NAMED_SECTION 423#define TARGET_ASM_NAMED_SECTION sparc_solaris_elf_asm_named_section 424 425/* Sun as requires doublequoted section names on SPARC. While GNU as 426 supports that, too, we prefer the standard variant. */ 427#define SECTION_NAME_FORMAT "\"%s\"" 428#endif /* !USE_GAS */ 429 430/* Undefine this so that attribute((init_priority)) works with GNU ld. */ 431#ifdef USE_GLD 432#undef CTORS_SECTION_ASM_OP 433#undef DTORS_SECTION_ASM_OP 434#endif 435 436 437 438/* Define for support of TFmode long double. 439 SPARC ABI says that long double is 4 words. */ 440#define LONG_DOUBLE_TYPE_SIZE 128 441 442/* Solaris's _Qp_* library routine implementation clobbers the output 443 memory before the inputs are fully consumed. */ 444 445#undef TARGET_BUGGY_QP_LIB 446#define TARGET_BUGGY_QP_LIB 1 447 448#undef SUN_CONVERSION_LIBFUNCS 449#define SUN_CONVERSION_LIBFUNCS 1 450 451#undef DITF_CONVERSION_LIBFUNCS 452#define DITF_CONVERSION_LIBFUNCS 1 453 454#undef SUN_INTEGER_MULTIPLY_64 455#define SUN_INTEGER_MULTIPLY_64 1 456 457#undef SPARC_LOW_FE_EXCEPT_VALUES 458#define SPARC_LOW_FE_EXCEPT_VALUES 1 459