gcc/config/mips/iris6-o32.h

   1 /* Definitions of target machine for GNU compiler, for MIPS running IRIX 6
   2    (O32 ABI).  */
   3
   4 /* The O32 ABI on IRIX 6 defaults to the mips2 ISA.  */
   5 #undef MIPS_CPU_STRING_DEFAULT
   6 #define MIPS_CPU_STRING_DEFAULT "mips2"
   7
   8 /* Specify wchar_t and wint_t types.  */
   9 #undef WCHAR_TYPE
  10 #define WCHAR_TYPE "long int"
  11
  12 #undef WCHAR_TYPE_SIZE
  13 #define WCHAR_TYPE_SIZE 32
  14
  15 #undef WINT_TYPE
  16 #define WINT_TYPE "long int"
  17
  18 #undef WINT_TYPE_SIZE
  19 #define WINT_TYPE_SIZE 32
  20
  21 /* Enforce use of O32 assembler, irrespective of SGI_ABI environment variable
  22    and machine type (e.g., R8000 systems default to -64).  Gas doesn't need
  23    this, but doesn't hurt either.  Need to pass -mips2 to gas which defaults
  24    to -mips1 if no ISA is specified.  */
  25 #undef SUBTARGET_ASM_SPEC
  26 #define SUBTARGET_ASM_SPEC "-32 %{!mips*:-mips2}"