/* Definitions for GCC. Part of the machine description for CRIS.
Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008,
- 2009, 2010 Free Software Foundation, Inc.
+ 2009, 2010, 2011 Free Software Foundation, Inc.
Contributed by Axis Communications. Written by Hans-Peter Nilsson.
This file is part of GCC.
/* Node: Driver */
-/* When using make with defaults.mak for Sun this will handily remove
- any "-target sun*" switches. */
-/* We need to override any previous definitions (linux.h) */
-#undef WORD_SWITCH_TAKES_ARG
-#define WORD_SWITCH_TAKES_ARG(STR) \
- (DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \
- || !strcmp (STR, "target"))
-
/* Also provide canonical vN definitions when user specifies an alias.
Note that -melf overrides -maout. */
" -D__CRIS_arch_tune=" CRIS_DEFAULT_TUNE "}}}}}"\
CRIS_ARCH_CPP_DEFAULT
-/* Remove those Sun-make "target" switches. */
/* Override previous definitions (linux.h). */
#undef CC1_SPEC
#define CC1_SPEC \
- "%{target*:}\
- %{metrax4:-march=v3}\
+ "%{metrax4:-march=v3}\
%{metrax100:-march=v8}\
%(cc1_subtarget)"
#undef ASM_SPEC
#define ASM_SPEC \
MAYBE_AS_NO_MUL_BUG_ABORT \
- "%{v:-v}\
- %(asm_subtarget)\
- %{march=*:%{cpu=*:%eDo not specify both -march=... and -mcpu=...}}\
+ "%(asm_subtarget)\
+ %{march=*:%{mcpu=*:%edo not specify both -march=... and -mcpu=...}}\
%{march=v32:--march=v32} %{mcpu=v32:--march=v32}"
/* For the cris-*-elf subtarget. */
#define CRIS_ASM_SUBTARGET_SPEC \
- "--em=criself %{!march=*:%{!cpu=*:" CRIS_DEFAULT_ASM_ARCH_OPTION "}}"
+ "--em=criself %{!march=*:%{!mcpu=*:" CRIS_DEFAULT_ASM_ARCH_OPTION "}}"
/* FIXME: We should propagate the -melf option to make the criself
"emulation" unless a linker script is provided (-T*), but I don't know
time being.
Note that -melf overrides -maout except that a.out-compiled libraries
- are linked in (multilibbing). The somewhat cryptic -rpath-link pair is
- to avoid *only* picking up the linux multilib subdir from the "-B./"
- option during build, while still giving it preference. We'd need some
- %s-variant that checked for existence of some specific file. */
-/* Override previous definitions (svr4.h). */
+ are linked in (multilibbing). We'd need some %s-variant that
+ checked for existence of some specific file. */
#undef LINK_SPEC
#define LINK_SPEC \
"%{v:--verbose}\
} \
while (0)
-/* This needs to be at least 32 bits. */
-extern int target_flags;
-
/* Previously controlled by target_flags. */
#define TARGET_ELF 1
#define TARGET_HAS_SWAP (cris_cpu_version >= CRIS_CPU_SVINTO)
#define TARGET_V32 (cris_cpu_version >= CRIS_CPU_V32)
-#define CRIS_SUBTARGET_HANDLE_OPTION(x, y, z)
-
-#define OPTIMIZATION_OPTIONS(OPTIMIZE, SIZE) \
- do \
- { \
- if ((OPTIMIZE) >= 2 || (SIZE)) \
- flag_omit_frame_pointer = 1; \
- } \
- while (0)
-
-
/* Node: Storage Layout */
#define BITS_BIG_ENDIAN 0
#define CALL_USED_REGISTERS \
{0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1}
-#define CONDITIONAL_REGISTER_USAGE cris_conditional_register_usage ()
-
-
/* Node: Allocation Order */
/* We need this on CRIS, because call-used regs should be used first,
#define INDEX_REG_CLASS GENERAL_REGS
-#define IRA_COVER_CLASSES { GENERAL_REGS, SPECIAL_REGS, LIM_REG_CLASSES }
-
#define REG_CLASS_FROM_LETTER(C) \
( \
(C) == 'a' ? ACR_REGS : \
/* Node: Register Arguments */
-/* The void_type_node is sent as a "closing" call. */
-#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
- ((CUM).regs < CRIS_MAX_ARGS_IN_REGS \
- ? gen_rtx_REG (MODE, (CRIS_FIRST_ARG_REG) + (CUM).regs) \
- : NULL_RTX)
-
-/* The differences between this and the previous, is that this one checks
- that an argument is named, since incoming stdarg/varargs arguments are
- pushed onto the stack, and we don't have to check against the "closing"
- void_type_node TYPE parameter. */
-#define FUNCTION_INCOMING_ARG(CUM, MODE, TYPE, NAMED) \
- ((NAMED) && (CUM).regs < CRIS_MAX_ARGS_IN_REGS \
- ? gen_rtx_REG (MODE, CRIS_FIRST_ARG_REG + (CUM).regs) \
- : NULL_RTX)
-
/* Contrary to what you'd believe, defining FUNCTION_ARG_CALLEE_COPIES
seems like a (small total) loss, at least for gcc-2.7.2 compiling and
running gcc-2.1 (small win in size, small loss running -- 100.1%),
#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, FNDECL, N_NAMED_ARGS) \
((CUM).regs = 0)
-#define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \
- ((CUM).regs += (3 + CRIS_FUNCTION_ARG_SIZE (MODE, TYPE)) / 4)
-
#define FUNCTION_ARG_REGNO_P(REGNO) \
((REGNO) >= CRIS_FIRST_ARG_REG \
&& (REGNO) < CRIS_FIRST_ARG_REG + (CRIS_MAX_ARGS_IN_REGS))
} \
while (0)
-#define LEGITIMATE_CONSTANT_P(X) 1
-
/* Node: Condition Code */
/* Node: Costs */
-#define REGISTER_MOVE_COST(MODE, FROM, TO) \
- cris_register_move_cost (MODE, FROM, TO)
-
-/* This isn't strictly correct for v0..3 in buswidth-8bit mode, but
- should suffice. */
-#define MEMORY_MOVE_COST(M, CLASS, IN) \
- (((M) == QImode) ? 4 : ((M) == HImode) ? 4 : 6)
-
/* Regardless of the presence of delay slots, the default value of 1 for
BRANCH_COST is the best in the range (1, 2, 3), tested with gcc-2.7.2
with testcases ipps and gcc, giving smallest and fastest code. */
#define NO_IMPLICIT_EXTERN_C
-/* No specific purpose other than warningless compatibility. */
-#define HANDLE_PRAGMA_PACK_PUSH_POP 1
-
/*
* Local variables:
* eval: (c-set-style "gnu")
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