/* Definitions of target machine for GNU compiler.
MIPS SDE version.
- Copyright (C) 2003, 2004, 2007
- Free Software Foundation, Inc.
+ Copyright (C) 2003-2024 Free Software Foundation, Inc.
This file is part of GCC.
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
+#undef DRIVER_SELF_SPECS
#define DRIVER_SELF_SPECS \
+ /* Set the ISA for the default multilib. */ \
+ MIPS_DEFAULT_ISA_LEVEL_SPEC, \
+ \
/* Make sure a -mips option is present. This helps us to pick \
the right multilib, and also makes the later specs easier \
to write. */ \
things like LINK_SPEC easier to write. */ \
"%{!EB:%{!EL:%(endian_spec)}}", \
\
- /* -mcode-xonly is a traditional alias for -mcode-readable=pcrel and \
- -mno-data-in-code is a traditional alias for -mcode-readable=no. \
- The latter trumps the former. */ \
- "%{mno-data-in-code: -mcode-readable=no}", \
- "%{!mcode-readable=no: %{mcode-xonly: -mcode-readable=pcrel}}", \
- "%<mno-data-in-code %<mcode-xonly"
+ /* Configuration-independent MIPS rules. */ \
+ BASE_DRIVER_SELF_SPECS
/* Use trap rather than break for all but MIPS I ISA. Force -no-mips16,
so that MIPS16 assembler code requires an explicit ".set mips16".
#undef SUBTARGET_ASM_SPEC
#define SUBTARGET_ASM_SPEC "\
%{!mips1:--trap} \
-%{fPIC|fpic|fPIE|fpie:%{!mips16*:-KPIC}} \
%{mips16:-no-mips16}"
#undef LINK_SPEC
#define LINK_SPEC "\
%(endian_spec) \
-%{G*} %{mips1} %{mips2} %{mips3} %{mips4} %{mips32} %{mips32r2} %{mips64} \
-%{bestGnum} \
-%{shared} %{non_shared} %{call_shared} \
+%{G*} %{mips1} %{mips2} %{mips3} %{mips4} %{mips32*} %{mips64*} \
+%{shared} \
%{mabi=n32:-melf32%{EB:b}%{EL:l}tsmipn32} \
%{mabi=64:-melf64%{EB:b}%{EL:l}tsmip} \
%{mabi=32:-melf32%{EB:b}%{EL:l}tsmip}"
#undef DEFAULT_SIGNED_CHAR
#define DEFAULT_SIGNED_CHAR 0
-/* SDE-MIPS won't ever support SDB or MIPS debugging info. */
-#undef SDB_DEBUGGING_INFO
-#undef MIPS_DEBUGGING_INFO
-
/* Describe how we implement __builtin_eh_return. */
/* At the moment, nothing appears to use more than 2 EH data registers.
/* Use $5 as a temporary for both MIPS16 and non-MIPS16. */
#undef MIPS_EPILOGUE_TEMP_REGNUM
-#define MIPS_EPILOGUE_TEMP_REGNUM (GP_REG_FIRST + 5)
+#define MIPS_EPILOGUE_TEMP_REGNUM \
+ (cfun->machine->interrupt_handler_p ? K0_REG_NUM : GP_REG_FIRST + 5)
/* Using long will always be right for size_t and ptrdiff_t, since
sizeof(long) must equal sizeof(void *), following from the setting
#undef PTRDIFF_TYPE
#define PTRDIFF_TYPE "long int"
-/* Enable parsing of #pragma pack(push,<n>) and #pragma pack(pop). */
-#define HANDLE_PRAGMA_PACK_PUSH_POP 1
-
-/* Use standard ELF-style local labels (not '$' as on early Irix). */
-#undef LOCAL_LABEL_PREFIX
-#define LOCAL_LABEL_PREFIX "."
-
-/* Use periods rather than dollar signs in special g++ assembler names. */
-#define NO_DOLLAR_IN_LABEL
-
-/* Attach a special .ident directive to the end of the file to identify
- the version of GCC which compiled this code. */
-#undef IDENT_ASM_OP
-#define IDENT_ASM_OP "\t.ident\t"
-
-/* Output #ident string into the ELF .comment section, so it doesn't
- form part of the load image, and so that it can be stripped. */
-#undef ASM_OUTPUT_IDENT
-#define ASM_OUTPUT_IDENT(STREAM, STRING) \
- fprintf (STREAM, "%s\"%s\"\n", IDENT_ASM_OP, STRING);
-
-/* Currently we don't support 128bit long doubles, so for now we force
- n32 to be 64bit. */
-#undef LONG_DOUBLE_TYPE_SIZE
-#define LONG_DOUBLE_TYPE_SIZE 64
-
-#ifdef IN_LIBGCC2
-#undef LIBGCC2_LONG_DOUBLE_TYPE_SIZE
-#define LIBGCC2_LONG_DOUBLE_TYPE_SIZE 64
-#endif
-
/* Force all .init and .fini entries to be 32-bit, not mips16, so that
in a mixed environment they are all the same mode. The crti.asm and
crtn.asm files will also be compiled as 32-bit due to the