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Diffstat (limited to 'gcc/config/mt/mt.h')
| -rw-r--r-- | gcc/config/mt/mt.h | 868 |
1 files changed, 0 insertions, 868 deletions
diff --git a/gcc/config/mt/mt.h b/gcc/config/mt/mt.h deleted file mode 100644 index b587326..0000000 --- a/gcc/config/mt/mt.h +++ /dev/null @@ -1,868 +0,0 @@ -/* Target Definitions for MorphoRISC1 - Copyright (C) 2005, 2006, 2007 Free Software Foundation, Inc. - Contributed by Red Hat, Inc. - - This file is part of GCC. - - GCC is free software; you can redistribute it and/or modify it - under the terms of the GNU General Public License as published - by the Free Software Foundation; either version 3, or (at your - option) any later version. - - GCC is distributed in the hope that it will be useful, but WITHOUT - ANY WARRANTY; without even the implied warranty of MERCHANTABILITY - or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public - License for more details. - - You should have received a copy of the GNU General Public License - along with GCC; see the file COPYING3. If not see - <http://www.gnu.org/licenses/>. */ - -extern struct rtx_def * mt_ucmpsi3_libcall; - -enum processor_type -{ - PROCESSOR_MS1_64_001, - PROCESSOR_MS1_16_002, - PROCESSOR_MS1_16_003, - PROCESSOR_MS2 -}; - -enum epilogue_type -{ - EH_EPILOGUE, - NORMAL_EPILOGUE -}; - -extern enum processor_type mt_cpu; - - -/* Support for a compile-time default CPU, et cetera. The rules are: - --with-arch is ignored if -march is specified. */ -#define OPTION_DEFAULT_SPECS \ - {"arch", "%{!march=*:-march=%(VALUE)}" } - -/* A C string constant that tells the GCC driver program options to pass to - the assembler. */ -#undef ASM_SPEC -#define ASM_SPEC "%{march=*} %{!march=*: -march=ms1-16-002}" - -/* A string to pass to at the end of the command given to the linker. */ -#undef LIB_SPEC -#define LIB_SPEC "--start-group -lc -lsim --end-group \ -%{msim: ; \ -march=ms1-64-001:-T 64-001.ld%s; \ -march=ms1-16-002:-T 16-002.ld%s; \ -march=ms1-16-003:-T 16-003.ld%s; \ -march=ms2:-T ms2.ld%s; \ - :-T 16-002.ld}" - -/* A string to pass at the very beginning of the command given to the - linker. */ -#undef STARTFILE_SPEC -#define STARTFILE_SPEC "%{msim:crt0.o%s;\ -march=ms1-64-001:%{!mno-crt0:crt0-64-001.o%s} startup-64-001.o%s; \ -march=ms1-16-002:%{!mno-crt0:crt0-16-002.o%s} startup-16-002.o%s; \ -march=ms1-16-003:%{!mno-crt0:crt0-16-003.o%s} startup-16-003.o%s; \ -march=ms2:%{!mno-crt0:crt0-ms2.o%s} startup-ms2.o%s; \ - :%{!mno-crt0:crt0-16-002.o%s} startup-16-002.o%s} \ -crti.o%s crtbegin.o%s" - -/* A string to pass at the end of the command given to the linker. */ -#undef ENDFILE_SPEC -#define ENDFILE_SPEC "%{msim:exit.o%s; \ -march=ms1-64-001:exit-64-001.o%s; \ -march=ms1-16-002:exit-16-002.o%s; \ -march=ms1-16-003:exit-16-003.o%s; \ -march=ms2:exit-ms2.o%s; \ - :exit-16-002.o%s} \ - crtend.o%s crtn.o%s" - -/* Run-time target specifications. */ - -#define TARGET_CPU_CPP_BUILTINS() \ - do \ - { \ - builtin_define_with_int_value ("__mt__", mt_cpu); \ - builtin_assert ("machine=mt"); \ - } \ - while (0) - -#define TARGET_MS1_64_001 (mt_cpu == PROCESSOR_MS1_64_001) -#define TARGET_MS1_16_002 (mt_cpu == PROCESSOR_MS1_16_002) -#define TARGET_MS1_16_003 (mt_cpu == PROCESSOR_MS1_16_003) -#define TARGET_MS2 (mt_cpu == PROCESSOR_MS2) - -#define TARGET_VERSION fprintf (stderr, " (mt)"); - -#define OVERRIDE_OPTIONS mt_override_options () - -#define CAN_DEBUG_WITHOUT_FP 1 - - -/* Storage Layout. */ - -#define BITS_BIG_ENDIAN 0 - -#define BYTES_BIG_ENDIAN 1 - -#define WORDS_BIG_ENDIAN 1 - -#define UNITS_PER_WORD 4 - -/* A macro to update MODE and UNSIGNEDP when an object whose type is TYPE and - which has the specified mode and signedness is to be stored in a register. - This macro is only called when TYPE is a scalar type. - - On most RISC machines, which only have operations that operate on a full - register, define this macro to set M to `word_mode' if M is an integer mode - narrower than `BITS_PER_WORD'. In most cases, only integer modes should be - widened because wider-precision floating-point operations are usually more - expensive than their narrower counterparts. - - For most machines, the macro definition does not change UNSIGNEDP. However, - some machines, have instructions that preferentially handle either signed or - unsigned quantities of certain modes. For example, on the DEC Alpha, 32-bit - loads from memory and 32-bit add instructions sign-extend the result to 64 - bits. On such machines, set UNSIGNEDP according to which kind of extension - is more efficient. - - Do not define this macro if it would never modify MODE. */ -#define PROMOTE_MODE(MODE,UNSIGNEDP,TYPE) \ - do \ - { \ - if (GET_MODE_CLASS (MODE) == MODE_INT \ - && GET_MODE_SIZE (MODE) < 4) \ - (MODE) = SImode; \ - } \ - while (0) - -/* Normal alignment required for function parameters on the stack, in bits. - All stack parameters receive at least this much alignment regardless of data - type. On most machines, this is the same as the size of an integer. */ -#define PARM_BOUNDARY 32 - -/* Define this macro to the minimum alignment enforced by hardware for - the stack pointer on this machine. The definition is a C - expression for the desired alignment (measured in bits). This - value is used as a default if PREFERRED_STACK_BOUNDARY is not - defined. On most machines, this should be the same as - PARM_BOUNDARY. */ -#define STACK_BOUNDARY 32 - -/* Alignment required for a function entry point, in bits. */ -#define FUNCTION_BOUNDARY 32 - -/* Biggest alignment that any data type can require on this machine, - in bits. */ -#define BIGGEST_ALIGNMENT 32 - -/* If defined, a C expression to compute the alignment for a variable - in the static store. TYPE is the data type, and ALIGN is the - alignment that the object would ordinarily have. The value of this - macro is used instead of that alignment to align the object. - - If this macro is not defined, then ALIGN is used. */ -#define DATA_ALIGNMENT(TYPE, ALIGN) \ - (TREE_CODE (TYPE) == ARRAY_TYPE \ - && TYPE_MODE (TREE_TYPE (TYPE)) == QImode \ - && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN)) - -/* If defined, a C expression to compute the alignment given to a constant that - is being placed in memory. CONSTANT is the constant and ALIGN is the - alignment that the object would ordinarily have. The value of this macro is - used instead of that alignment to align the object. - - If this macro is not defined, then ALIGN is used. - - The typical use of this macro is to increase alignment for string constants - to be word aligned so that `strcpy' calls that copy constants can be done - inline. */ -#define CONSTANT_ALIGNMENT(EXP, ALIGN) \ - (TREE_CODE (EXP) == STRING_CST \ - && (ALIGN) < BITS_PER_WORD ? BITS_PER_WORD : (ALIGN)) - -/* Number of bits which any structure or union's size must be a multiple of. - Each structure or union's size is rounded up to a multiple of this. - - If you do not define this macro, the default is the same as `BITS_PER_UNIT'. */ -#define STRUCTURE_SIZE_BOUNDARY 32 - -/* Define this macro to be the value 1 if instructions will fail to work if - given data not on the nominal alignment. If instructions will merely go - slower in that case, define this macro as 0. */ -#define STRICT_ALIGNMENT 1 - -/* Define this if you wish to imitate the way many other C compilers handle - alignment of bitfields and the structures that contain them. */ -#define PCC_BITFIELD_TYPE_MATTERS 1 - -/* Layout of Source Language Data Types. */ - -#define INT_TYPE_SIZE 32 - -#define SHORT_TYPE_SIZE 16 - -#define LONG_TYPE_SIZE 32 - -#define LONG_LONG_TYPE_SIZE 64 - -#define CHAR_TYPE_SIZE 8 - -#define FLOAT_TYPE_SIZE 32 - -#define DOUBLE_TYPE_SIZE 64 - -#define LONG_DOUBLE_TYPE_SIZE 64 - -#define DEFAULT_SIGNED_CHAR 1 - -/* Register Basics. */ - -/* General purpose registers. */ -#define GPR_FIRST 0 /* First gpr */ -#define GPR_LAST 15 /* Last possible gpr */ - -#define GPR_R0 0 /* Always 0 */ -#define GPR_R7 7 /* Used as a scratch register */ -#define GPR_R8 8 /* Used as a scratch register */ -#define GPR_R9 9 /* Used as a scratch register */ -#define GPR_R10 10 /* Used as a scratch register */ -#define GPR_R11 11 /* Used as a scratch register */ -#define GPR_FP 12 /* Frame pointer */ -#define GPR_SP 13 /* Stack pointer */ -#define GPR_LINK 14 /* Saved return address as - seen by the caller */ -#define GPR_INTERRUPT_LINK 15 /* hold return addres for interrupts */ - -#define LOOP_FIRST (GPR_LAST + 1) -#define LOOP_LAST (LOOP_FIRST + 3) - -/* Argument register that is eliminated in favor of the frame and/or stack - pointer. Also add register to point to where the return address is - stored. */ -#define SPECIAL_REG_FIRST (LOOP_LAST + 1) -#define SPECIAL_REG_LAST (SPECIAL_REG_FIRST) -#define ARG_POINTER_REGNUM (SPECIAL_REG_FIRST + 0) -#define SPECIAL_REG_P(R) ((R) == SPECIAL_REG_FIRST) - -/* The first/last register that can contain the arguments to a function. */ -#define FIRST_ARG_REGNUM 1 -#define LAST_ARG_REGNUM 4 - -/* The register used to hold functions return value */ -#define RETVAL_REGNUM 11 - -#define FIRST_PSEUDO_REGISTER (SPECIAL_REG_LAST + 1) - -#define IS_PSEUDO_P(R) (REGNO (R) >= FIRST_PSEUDO_REGISTER) - -/* R0 always has the value 0 - R10 static link - R12 FP pointer to active frame - R13 SP pointer to top of stack - R14 RA return address - R15 IRA interrupt return address. */ -#define FIXED_REGISTERS { 1, 0, 0, 0, 0, 0, 0, 0, \ - 0, 0, 0, 0, 1, 1, 1, 1, \ - 1, 1, 1, 1, 1 \ - } - -/* Like `FIXED_REGISTERS' but has 1 for each register that is clobbered (in - general) by function calls as well as for fixed registers. This macro - therefore identifies the registers that are not available for general - allocation of values that must live across function calls. */ -#define CALL_USED_REGISTERS { 1, 1, 1, 1, 1, 0, 0, 1, \ - 1, 1, 1, 1, 1, 1, 1, 1, \ - 1, 1, 1, 1, 1 \ - } - - -/* How Values Fit in Registers. */ - -#define HARD_REGNO_NREGS(REGNO, MODE) \ - ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD) - -#define HARD_REGNO_MODE_OK(REGNO, MODE) 1 - -/* A C expression that is nonzero if a value of mode MODE1 is - accessible in mode MODE2 without copying. */ -#define MODES_TIEABLE_P(MODE1, MODE2) 1 - -/* Register Classes. */ - -enum reg_class -{ - NO_REGS, - ALL_REGS, - LIM_REG_CLASSES -}; - -#define GENERAL_REGS ALL_REGS - -#define N_REG_CLASSES ((int) LIM_REG_CLASSES) - -#define REG_CLASS_NAMES {"NO_REGS", "ALL_REGS" } - -#define REG_CLASS_CONTENTS \ - { \ - { 0x0 }, \ - { 0x000fffff }, \ - } - -/* A C expression whose value is a register class containing hard register - REGNO. In general there is more than one such class; choose a class which - is "minimal", meaning that no smaller class also contains the register. */ -#define REGNO_REG_CLASS(REGNO) GENERAL_REGS - -#define BASE_REG_CLASS GENERAL_REGS - -#define INDEX_REG_CLASS NO_REGS - -#define REG_CLASS_FROM_LETTER(CHAR) NO_REGS - -#define REGNO_OK_FOR_BASE_P(NUM) 1 - -#define REGNO_OK_FOR_INDEX_P(NUM) 1 - -/* A C expression that places additional restrictions on the register class to - use when it is necessary to copy value X into a register in class CLASS. - The value is a register class; perhaps CLASS, or perhaps another, smaller - class. On many machines, the following definition is safe: - - #define PREFERRED_RELOAD_CLASS(X,CLASS) CLASS -*/ -#define PREFERRED_RELOAD_CLASS(X, CLASS) (CLASS) - -#define SECONDARY_RELOAD_CLASS(CLASS,MODE,X) \ - mt_secondary_reload_class((CLASS), (MODE), (X)) - -/* A C expression for the maximum number of consecutive registers of - class CLASS needed to hold a value of mode MODE. */ -#define CLASS_MAX_NREGS(CLASS, MODE) \ - ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD) - -/* For MorphoRISC1: - - `I' is used for the range of constants an arithmetic insn can - actually contain (16-bit signed integers). - - `J' is used for the range which is just zero (ie, $r0). - - `K' is used for the range of constants a logical insn can actually - contain (16-bit zero-extended integers). - - `L' is used for the range of constants that be loaded with lui - (ie, the bottom 16 bits are zero). - - `M' is used for the range of constants that take two words to load - (ie, not matched by `I', `K', and `L'). - - `N' is used for negative 16-bit constants other than -65536. - - `O' is a 15-bit signed integer. - - `P' is used for positive 16-bit constants. */ - -#define SMALL_INT(X) ((unsigned HOST_WIDE_INT) (INTVAL (X) + 0x8000) < 0x10000) -#define SMALL_INT_UNSIGNED(X) ((unsigned HOST_WIDE_INT) (INTVAL (X)) < 0x10000) - -/* A C expression that defines the machine-dependent operand - constraint letters that specify particular ranges of integer - values. If C is one of those letters, the expression should check - that VALUE, an integer, is in the appropriate range and return 1 if - so, 0 otherwise. If C is not one of those letters, the value - should be 0 regardless of VALUE. */ -#define CONST_OK_FOR_LETTER_P(VALUE, C) \ - ((C) == 'I' ? ((unsigned HOST_WIDE_INT) ((VALUE) + 0x8000) < 0x10000) \ - : (C) == 'J' ? ((VALUE) == 0) \ - : (C) == 'K' ? ((unsigned HOST_WIDE_INT) (VALUE) < 0x10000) \ - : (C) == 'L' ? (((VALUE) & 0x0000ffff) == 0 \ - && (((VALUE) & ~2147483647) == 0 \ - || ((VALUE) & ~2147483647) == ~2147483647)) \ - : (C) == 'M' ? ((((VALUE) & ~0x0000ffff) != 0) \ - && (((VALUE) & ~0x0000ffff) != ~0x0000ffff) \ - && (((VALUE) & 0x0000ffff) != 0 \ - || (((VALUE) & ~2147483647) != 0 \ - && ((VALUE) & ~2147483647) != ~2147483647))) \ - : (C) == 'N' ? ((unsigned HOST_WIDE_INT) ((VALUE) + 0xffff) < 0xffff) \ - : (C) == 'O' ? ((unsigned HOST_WIDE_INT) ((VALUE) + 0x4000) < 0x8000) \ - : (C) == 'P' ? ((VALUE) != 0 && (((VALUE) & ~0x0000ffff) == 0)) \ - : 0) - -/* A C expression that defines the machine-dependent operand constraint letters - (`G', `H') that specify particular ranges of `const_double' values. */ -#define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C) 0 - -/* Most negative value represent on mt */ -#define MT_MIN_INT 0x80000000 - -/* Basic Stack Layout. */ - -enum save_direction -{ - FROM_PROCESSOR_TO_MEM, - FROM_MEM_TO_PROCESSOR -}; - -/* Tell prologue and epilogue if register REGNO should be saved / restored. - The return address and frame pointer are treated separately. - Don't consider them here. */ -#define MUST_SAVE_REGISTER(regno) \ - ( (regno) != GPR_LINK \ - && (regno) != GPR_FP \ - && (regno) != GPR_SP \ - && (regno) != GPR_R0 \ - && (( df_regs_ever_live_p (regno) && ! call_used_regs[regno] ) \ - /* Save ira register in an interrupt handler. */ \ - || (interrupt_handler && (regno) == GPR_INTERRUPT_LINK) \ - /* Save any register used in an interrupt handler. */ \ - || (interrupt_handler && df_regs_ever_live_p (regno)) \ - /* Save call clobbered registers in non-leaf interrupt \ - handlers. */ \ - || (interrupt_handler && call_used_regs[regno] \ - && !current_function_is_leaf) \ - ||(crtl->calls_eh_return \ - && (regno == GPR_R7 || regno == GPR_R8)) \ - ) \ - ) - -#define STACK_GROWS_DOWNWARD 1 - -/* Offset from the frame pointer to the first local variable slot to be - allocated. - - If `FRAME_GROWS_DOWNWARD', find the next slot's offset by - subtracting the first slot's length from `STARTING_FRAME_OFFSET'. - Otherwise, it is found by adding the length of the first slot to - the value `STARTING_FRAME_OFFSET'. */ -#define STARTING_FRAME_OFFSET crtl->outgoing_args_size - -/* Offset from the argument pointer register to the first argument's address. - On some machines it may depend on the data type of the function. - - If `ARGS_GROW_DOWNWARD', this is the offset to the location above the first - argument's address. */ -#define FIRST_PARM_OFFSET(FUNDECL) 0 - -#define RETURN_ADDR_RTX(COUNT, FRAMEADDR) \ - mt_return_addr_rtx (COUNT) - -/* A C expression whose value is RTL representing the location of the incoming - return address at the beginning of any function, before the prologue. This - RTL is either a `REG', indicating that the return value is saved in `REG', - or a `MEM' representing a location in the stack. - - You only need to define this macro if you want to support call frame - debugging information like that provided by DWARF 2. */ -#define INCOMING_RETURN_ADDR_RTX gen_rtx_REG (SImode, GPR_LINK) - -/* A C expression whose value is an integer giving the offset, in bytes, from - the value of the stack pointer register to the top of the stack frame at the - beginning of any function, before the prologue. The top of the frame is - defined to be the value of the stack pointer in the previous frame, just - before the call instruction. - - You only need to define this macro if you want to support call frame - debugging information like that provided by DWARF 2. */ -#define INCOMING_FRAME_SP_OFFSET 0 - -#define STACK_POINTER_REGNUM GPR_SP - -#define FRAME_POINTER_REGNUM GPR_FP - -/* The register number of the arg pointer register, which is used to - access the function's argument list. */ -#define ARG_POINTER_REGNUM (SPECIAL_REG_FIRST + 0) - -/* Register numbers used for passing a function's static chain pointer. */ -#define STATIC_CHAIN_REGNUM 10 - -/* A C expression which is nonzero if a function must have and use a frame - pointer. */ -#define FRAME_POINTER_REQUIRED 0 - -/* Structure to be filled in by compute_frame_size with register - save masks, and offsets for the current function. */ - -struct mt_frame_info -{ - unsigned int total_size; /* # Bytes that the entire frame takes up. */ - unsigned int pretend_size; /* # Bytes we push and pretend caller did. */ - unsigned int args_size; /* # Bytes that outgoing arguments take up. */ - unsigned int extra_size; - unsigned int reg_size; /* # Bytes needed to store regs. */ - unsigned int var_size; /* # Bytes that variables take up. */ - unsigned int frame_size; /* # Bytes in current frame. */ - unsigned int reg_mask; /* Mask of saved registers. */ - unsigned int save_fp; /* Nonzero if frame pointer must be saved. */ - unsigned int save_lr; /* Nonzero if return pointer must be saved. */ - int initialized; /* Nonzero if frame size already calculated. */ -}; - -extern struct mt_frame_info current_frame_info; - -/* If defined, this macro specifies a table of register pairs used to eliminate - unneeded registers that point into the stack frame. */ -#define ELIMINABLE_REGS \ -{ \ - {ARG_POINTER_REGNUM, STACK_POINTER_REGNUM}, \ - {ARG_POINTER_REGNUM, FRAME_POINTER_REGNUM}, \ - {FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM} \ -} - -/* A C expression that returns nonzero if the compiler is allowed to try to - replace register number FROM with register number TO. */ -#define CAN_ELIMINATE(FROM, TO) \ - ((FROM) == ARG_POINTER_REGNUM && (TO) == STACK_POINTER_REGNUM \ - ? ! frame_pointer_needed \ - : 1) - -/* This macro is similar to `INITIAL_FRAME_POINTER_OFFSET'. It - specifies the initial difference between the specified pair of - registers. This macro must be defined if `ELIMINABLE_REGS' is - defined. */ -#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \ - (OFFSET) = mt_initial_elimination_offset (FROM, TO) - -/* If defined, the maximum amount of space required for outgoing - arguments will be computed and placed into the variable - `crtl->outgoing_args_size'. */ -#define ACCUMULATE_OUTGOING_ARGS 1 - -/* Define this if it is the responsibility of the caller to - allocate the area reserved for arguments passed in registers. */ -#define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) 1 - -/* The number of register assigned to holding function arguments. */ -#define MT_NUM_ARG_REGS 4 - -/* Define this if it is the responsibility of the caller to allocate - the area reserved for arguments passed in registers. */ -#define REG_PARM_STACK_SPACE(FNDECL) (MT_NUM_ARG_REGS * UNITS_PER_WORD) - -/* Define this macro if `REG_PARM_STACK_SPACE' is defined, but the stack - parameters don't skip the area specified by it. */ -#define STACK_PARMS_IN_REG_PARM_AREA - -/* A C expression that should indicate the number of bytes of its own - arguments that a function pops on returning, or 0 if the function - pops no arguments and the caller must therefore pop them all after - the function returns. */ -#define RETURN_POPS_ARGS(FUNDECL, FUNTYPE, STACK_SIZE) 0 - -#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \ - mt_function_arg (& (CUM), (MODE), (TYPE), (NAMED), FALSE) - -#define CUMULATIVE_ARGS int - -#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, FNDECL, N_NAMED_ARGS) \ - mt_init_cumulative_args (& (CUM), FNTYPE, LIBNAME, FNDECL, FALSE) - -#define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \ - mt_function_arg_advance (&CUM, MODE, TYPE, NAMED) - -#define FUNCTION_ARG_BOUNDARY(MODE, TYPE) \ - mt_function_arg_boundary (MODE, TYPE) - -#define FUNCTION_ARG_REGNO_P(REGNO) \ - ((REGNO) >= FIRST_ARG_REGNUM && ((REGNO) <= LAST_ARG_REGNUM)) - -#define RETURN_VALUE_REGNUM RETVAL_REGNUM - -#define FUNCTION_VALUE(VALTYPE, FUNC) \ - mt_function_value (VALTYPE, TYPE_MODE(VALTYPE), FUNC) - -#define LIBCALL_VALUE(MODE) \ - mt_function_value (NULL_TREE, MODE, NULL_TREE) - -#define FUNCTION_VALUE_REGNO_P(REGNO) ((REGNO) == RETURN_VALUE_REGNUM) - -/* A C expression which can inhibit the returning of certain function - values in registers, based on the type of value. */ -#define TARGET_RETURN_IN_MEMORY mt_return_in_memory - -/* Define this macro to be 1 if all structure and union return values must be - in memory. */ -#define DEFAULT_PCC_STRUCT_RETURN 0 - -/* Define this macro as a C expression that is nonzero if the return - instruction or the function epilogue ignores the value of the stack - pointer; in other words, if it is safe to delete an instruction to - adjust the stack pointer before a return from the function. */ -#define EXIT_IGNORE_STACK 1 - -#define EPILOGUE_USES(REGNO) mt_epilogue_uses(REGNO) - -/* Define this macro if the function epilogue contains delay slots to which - instructions from the rest of the function can be "moved". */ -#define DELAY_SLOTS_FOR_EPILOGUE 1 - -/* A C expression that returns 1 if INSN can be placed in delay slot number N - of the epilogue. */ -#define ELIGIBLE_FOR_EPILOGUE_DELAY(INSN, N) 0 - -#define FUNCTION_PROFILER(FILE, LABELNO) gcc_unreachable () - -/* Trampolines are not implemented. */ -#define TRAMPOLINE_SIZE 0 - -#define INITIALIZE_TRAMPOLINE(ADDR, FNADDR, STATIC_CHAIN) - -/* ?? What is this -- aldyh ?? */ -#define UCMPSI3_LIBCALL "__ucmpsi3" - -/* Addressing Modes. */ - -/* A C expression that is 1 if the RTX X is a constant which is a valid - address. */ -#define CONSTANT_ADDRESS_P(X) CONSTANT_P (X) - -/* A number, the maximum number of registers that can appear in a valid memory - address. Note that it is up to you to specify a value equal to the maximum - number that `GO_IF_LEGITIMATE_ADDRESS' would ever accept. */ -#define MAX_REGS_PER_ADDRESS 1 - -#ifdef REG_OK_STRICT -#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, ADDR) \ -{ \ - if (mt_legitimate_address_p (MODE, X, 1)) \ - goto ADDR; \ -} -#else -#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, ADDR) \ -{ \ - if (mt_legitimate_address_p (MODE, X, 0)) \ - goto ADDR; \ -} -#endif - -#ifdef REG_OK_STRICT -#define REG_OK_FOR_BASE_P(X) mt_reg_ok_for_base_p (X, 1) -#else -#define REG_OK_FOR_BASE_P(X) mt_reg_ok_for_base_p (X, 0) -#endif - -#define REG_OK_FOR_INDEX_P(X) REG_OK_FOR_BASE_P (X) - -#define LEGITIMIZE_ADDRESS(X, OLDX, MODE, WIN) {} - -#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR, LABEL) - -#define LEGITIMATE_CONSTANT_P(X) 1 - -/* A C expression for the cost of moving data of mode M between a register and - memory. A value of 2 is the default; this cost is relative to those in - `REGISTER_MOVE_COST'. - - If moving between registers and memory is more expensive than between two - registers, you should define this macro to express the relative cost. */ -#define MEMORY_MOVE_COST(M,C,I) 10 - -/* Define this macro as a C expression which is nonzero if accessing less than - a word of memory (i.e. a `char' or a `short') is no faster than accessing a - word of memory. */ -#define SLOW_BYTE_ACCESS 1 - -#define SLOW_UNALIGNED_ACCESS(MODE, ALIGN) 1 - -#define TEXT_SECTION_ASM_OP ".text" - -#define DATA_SECTION_ASM_OP ".data" - -#define BSS_SECTION_ASM_OP "\t.section\t.bss" - -/* A C string constant for text to be output before each `asm' statement or - group of consecutive ones. Normally this is `"#APP"', which is a comment - that has no effect on most assemblers but tells the GNU assembler that it - must check the lines that follow for all valid assembler constructs. */ -#define ASM_APP_ON "#APP\n" - -/* A C string constant for text to be output after each `asm' statement or - group of consecutive ones. Normally this is `"#NO_APP"', which tells the - GNU assembler to resume making the time-saving assumptions that are valid - for ordinary compiler output. */ -#define ASM_APP_OFF "#NO_APP\n" - -/* This is how to output an assembler line defining a `char' constant. */ -#define ASM_OUTPUT_CHAR(FILE, VALUE) \ - do \ - { \ - fprintf (FILE, "\t.byte\t"); \ - output_addr_const (FILE, (VALUE)); \ - fprintf (FILE, "\n"); \ - } \ - while (0) - -/* This is how to output an assembler line defining a `short' constant. */ -#define ASM_OUTPUT_SHORT(FILE, VALUE) \ - do \ - { \ - fprintf (FILE, "\t.hword\t"); \ - output_addr_const (FILE, (VALUE)); \ - fprintf (FILE, "\n"); \ - } \ - while (0) - -/* This is how to output an assembler line defining an `int' constant. - We also handle symbol output here. */ -#define ASM_OUTPUT_INT(FILE, VALUE) \ - do \ - { \ - fprintf (FILE, "\t.word\t"); \ - output_addr_const (FILE, (VALUE)); \ - fprintf (FILE, "\n"); \ - } \ - while (0) - -/* A C statement to output to the stdio stream STREAM an assembler instruction - to assemble a single byte containing the number VALUE. - - This declaration must be present. */ -#define ASM_OUTPUT_BYTE(STREAM, VALUE) \ - fprintf (STREAM, "\t%s\t0x%x\n", ASM_BYTE_OP, (VALUE)) - -/* Globalizing directive for a label. */ -#define GLOBAL_ASM_OP "\t.globl " - -#define REGISTER_NAMES \ -{ "R0", "R1", "R2", "R3", "R4", "R5", "R6", "R7", \ - "R8", "R9", "R10", "R11", "R12", "R13", "R14", "R15", \ - "LOOP1", "LOOP2", "LOOP3", "LOOP4", "ap" } - -/* If defined, a C initializer for an array of structures containing a name and - a register number. This macro defines additional names for hard registers, - thus allowing the `asm' option in declarations to refer to registers using - alternate names. */ -#define ADDITIONAL_REGISTER_NAMES \ -{ { "FP", 12}, {"SP", 13}, {"RA", 14}, {"IRA", 15} } - -/* Define this macro if you are using an unusual assembler that requires - different names for the machine instructions. - - The definition is a C statement or statements which output an assembler - instruction opcode to the stdio stream STREAM. The macro-operand PTR is a - variable of type `char *' which points to the opcode name in its "internal" - form--the form that is written in the machine description. The definition - should output the opcode name to STREAM, performing any translation you - desire, and increment the variable PTR to point at the end of the opcode so - that it will not be output twice. */ -#define ASM_OUTPUT_OPCODE(STREAM, PTR) \ - (PTR) = mt_asm_output_opcode (STREAM, PTR) - -#define FINAL_PRESCAN_INSN(INSN, OPVEC, NOPERANDS) \ - mt_final_prescan_insn (INSN, OPVEC, NOPERANDS) - -#define PRINT_OPERAND(STREAM, X, CODE) mt_print_operand (STREAM, X, CODE) - -/* A C expression which evaluates to true if CODE is a valid punctuation - character for use in the `PRINT_OPERAND' macro. */ -/* #: Print nop for delay slot. */ -#define PRINT_OPERAND_PUNCT_VALID_P(CODE) ((CODE) == '#') - -#define PRINT_OPERAND_ADDRESS(STREAM, X) mt_print_operand_address (STREAM, X) - -/* If defined, C string expressions to be used for the `%R', `%L', `%U', and - `%I' options of `asm_fprintf' (see `final.c'). These are useful when a - single `md' file must support multiple assembler formats. In that case, the - various `tm.h' files can define these macros differently. - - USER_LABEL_PREFIX is defined in svr4.h. */ -#define REGISTER_PREFIX "%" -#define LOCAL_LABEL_PREFIX "." -#define USER_LABEL_PREFIX "" -#define IMMEDIATE_PREFIX "" - -/* This macro should be provided on machines where the addresses in a dispatch - table are relative to the table's own address. - - The definition should be a C statement to output to the stdio stream STREAM - an assembler pseudo-instruction to generate a difference between two labels. - VALUE and REL are the numbers of two internal labels. The definitions of - these labels are output using `targetm.asm_out.internal_label', and they - must be printed in the same way here. */ -#define ASM_OUTPUT_ADDR_DIFF_ELT(STREAM, BODY, VALUE, REL) \ -fprintf (STREAM, "\t.word .L%d-.L%d\n", VALUE, REL) - -/* This macro should be provided on machines where the addresses in a dispatch - table are absolute. - - The definition should be a C statement to output to the stdio stream STREAM - an assembler pseudo-instruction to generate a reference to a label. VALUE - is the number of an internal label whose definition is output using - `targetm.asm_out.internal_label'. */ -#define ASM_OUTPUT_ADDR_VEC_ELT(STREAM, VALUE) \ -fprintf (STREAM, "\t.word .L%d\n", VALUE) - -#define DWARF_FRAME_RETURN_COLUMN DWARF_FRAME_REGNUM (GPR_LINK) - -#define EH_RETURN_DATA_REGNO(N) \ - ((N) == 0 ? GPR_R7 : (N) == 1 ? GPR_R8 : INVALID_REGNUM) - -#define EH_RETURN_STACKADJ_REGNO GPR_R11 -#define EH_RETURN_STACKADJ_RTX \ - gen_rtx_REG (SImode, EH_RETURN_STACKADJ_REGNO) -#define EH_RETURN_HANDLER_REGNO GPR_R10 -#define EH_RETURN_HANDLER_RTX \ - gen_rtx_REG (SImode, EH_RETURN_HANDLER_REGNO) - -#define ASM_OUTPUT_ALIGN(STREAM, POWER) \ - fprintf ((STREAM), "\t.p2align %d\n", (POWER)) - -#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG - -#ifndef DWARF2_DEBUGGING_INFO -#define DWARF2_DEBUGGING_INFO -#endif - -/* Define this macro if GCC should produce dwarf version 2-style - line numbers. This usually requires extending the assembler to - support them, and #defining DWARF2_LINE_MIN_INSN_LENGTH in the - assembler configuration header files. */ -#define DWARF2_ASM_LINE_DEBUG_INFO 1 - -/* An alias for a machine mode name. This is the machine mode that - elements of a jump-table should have. */ -#define CASE_VECTOR_MODE SImode - -/* Define this macro if operations between registers with integral - mode smaller than a word are always performed on the entire - register. Most RISC machines have this property and most CISC - machines do not. */ -#define WORD_REGISTER_OPERATIONS - -/* The maximum number of bytes that a single instruction can move quickly from - memory to memory. */ -#define MOVE_MAX 4 - -/* A C expression which is nonzero if on this machine it is safe to "convert" - an integer of INPREC bits to one of OUTPREC bits (where OUTPREC is smaller - than INPREC) by merely operating on it as if it had only OUTPREC bits. - - On many machines, this expression can be 1. - - When `TRULY_NOOP_TRUNCATION' returns 1 for a pair of sizes for modes for - which `MODES_TIEABLE_P' is 0, suboptimal code can result. If this is the - case, making `TRULY_NOOP_TRUNCATION' return 0 in such cases may improve - things. */ -#define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1 - -#define Pmode SImode - -/* An alias for the machine mode used for memory references to functions being - called, in `call' RTL expressions. On most machines this should be - `QImode'. */ -#define FUNCTION_MODE QImode - -#define HANDLE_SYSV_PRAGMA 1 - -/* Indicate how many instructions can be issued at the same time. */ -#define ISSUE_RATE 1 - -/* Define the information needed to generate branch and scc insns. This is - stored from the compare operation. Note that we can't use "rtx" here - since it hasn't been defined! */ - -extern struct rtx_def * mt_compare_op0; -extern struct rtx_def * mt_compare_op1; - |