/* Definitions of target machine for GNU compiler,
for Motorola M*CORE Processor.
- Copyright (C) 1993, 1999, 2000, 2001, 2002, 2003, 2004
- Free Software Foundation, Inc.
+ Copyright (C) 1993, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007,
+ 2008 Free Software Foundation, 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 2, or (at your
+ 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
License for more details.
You should have received a copy of the GNU General Public License
- along with GCC; see the file COPYING. If not, write to the
- Free Software Foundation, 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with GCC; see the file COPYING3. If not see
+ <http://www.gnu.org/licenses/>. */
#ifndef GCC_MCORE_H
#define GCC_MCORE_H
/* Get tree.c to declare a target-specific specialization of
merge_decl_attributes. */
-#define TARGET_DLLIMPORT_DECL_ATTRIBUTES
-
-/* Support the __declspec keyword by turning them into attributes.
- We currently only support: dllexport and dllimport.
- Note that the current way we do this may result in a collision with
- predefined attributes later on. This can be solved by using one attribute,
- say __declspec__, and passing args to it. The problem with that approach
- is that args are not accumulated: each new appearance would clobber any
- existing args. */
+#define TARGET_DLLIMPORT_DECL_ATTRIBUTES 1
+
#define TARGET_CPU_CPP_BUILTINS() \
do \
{ \
builtin_define ("__mcore__"); \
builtin_define ("__MCORE__"); \
- builtin_define ("__declspec(x)=__attribute__((x))"); \
if (TARGET_LITTLE_END) \
builtin_define ("__MCORELE__"); \
else \
} \
while (0)
-/* If -m4align is ever re-enabled then add this line to the definition of CPP_SPEC
- %{!m4align:-D__MCORE_ALIGN_8__} %{m4align:-D__MCORE__ALIGN_4__}. */
#undef CPP_SPEC
#define CPP_SPEC "%{m210:%{mlittle-endian:%ethe m210 does not have little endian support}}"
#undef LINK_SPEC
#define LINK_SPEC "%{mbig-endian:-EB} %{m210:-EB} -X"
-/* Can only count on 16 bits of availability; change to long would affect
- many architecture specific files (other architectures...). */
-extern int target_flags;
-
-#define HARDLIT_BIT (1 << 0) /* Build in-line literals using 2 insns. */
-#define ALIGN8_BIT (1 << 1) /* Max alignment goes to 8 instead of 4. */
-#define DIV_BIT (1 << 2) /* Generate divide instructions. */
-#define RELAX_IMM_BIT (1 << 3) /* Arbitrary immediates in and, or, tst. */
-#define W_FIELD_BIT (1 << 4) /* Generate bit insv/extv using SImode. */
-#define OVERALIGN_FUNC_BIT (1 << 5) /* Align functions to 4 byte boundary. */
-#define CGDATA_BIT (1 << 6) /* Generate callgraph data. */
-#define SLOW_BYTES_BIT (1 << 7) /* Slow byte access. */
-#define LITTLE_END_BIT (1 << 8) /* Generate little endian code. */
-#define M340_BIT (1 << 9) /* Generate code for the m340. */
-
-#define TARGET_DEFAULT \
- (HARDLIT_BIT | ALIGN8_BIT | DIV_BIT | RELAX_IMM_BIT | M340_BIT | LITTLE_END_BIT)
+#define TARGET_DEFAULT \
+ (MASK_HARDLIT \
+ | MASK_DIV \
+ | MASK_RELAX_IMM \
+ | MASK_M340 \
+ | MASK_LITTLE_END)
#ifndef MULTILIB_DEFAULTS
#define MULTILIB_DEFAULTS { "mlittle-endian", "m340" }
#endif
-#define TARGET_HARDLIT (target_flags & HARDLIT_BIT)
/* The ability to have 4 byte alignment is being suppressed for now.
- If this ability is reenabled, you must enable the definition below
+ If this ability is reenabled, you must disable the definition below
*and* edit t-mcore to enable multilibs for 4 byte alignment code. */
-#if 0
-#define TARGET_8ALIGN (target_flags & ALIGN8_BIT)
-#else
-#define TARGET_8ALIGN 1
-#endif
-#define TARGET_DIV (target_flags & DIV_BIT)
-#define TARGET_RELAX_IMM (target_flags & RELAX_IMM_BIT)
-#define TARGET_W_FIELD (target_flags & W_FIELD_BIT)
-#define TARGET_OVERALIGN_FUNC (target_flags & OVERALIGN_FUNC_BIT)
-#define TARGET_CG_DATA (target_flags & CGDATA_BIT)
-#define TARGET_CG_DATA (target_flags & CGDATA_BIT)
-#define TARGET_SLOW_BYTES (target_flags & SLOW_BYTES_BIT)
-#define TARGET_LITTLE_END (target_flags & LITTLE_END_BIT)
-#define TARGET_M340 (target_flags & M340_BIT)
-
-
-#define TARGET_SWITCHES \
-{ {"hardlit", HARDLIT_BIT, \
- N_("Inline constants if it can be done in 2 insns or less") }, \
- {"no-hardlit", - HARDLIT_BIT, \
- N_("Inline constants if it only takes 1 instruction") }, \
- {"4align", - ALIGN8_BIT, \
- N_("Set maximum alignment to 4") }, \
- {"8align", ALIGN8_BIT, \
- N_("Set maximum alignment to 8") }, \
- {"div", DIV_BIT, \
- "" }, \
- {"no-div", - DIV_BIT, \
- N_("Do not use the divide instruction") }, \
- {"relax-immediates", RELAX_IMM_BIT, \
- "" }, \
- {"no-relax-immediates", - RELAX_IMM_BIT, \
- N_("Do not arbitrary sized immediates in bit operations") }, \
- {"wide-bitfields", W_FIELD_BIT, \
- N_("Always treat bit-field as int-sized") }, \
- {"no-wide-bitfields", - W_FIELD_BIT, \
- "" }, \
- {"4byte-functions", OVERALIGN_FUNC_BIT, \
- N_("Force functions to be aligned to a 4 byte boundary") }, \
- {"no-4byte-functions", - OVERALIGN_FUNC_BIT, \
- N_("Force functions to be aligned to a 2 byte boundary") }, \
- {"callgraph-data", CGDATA_BIT, \
- N_("Emit call graph information") }, \
- {"no-callgraph-data", - CGDATA_BIT, \
- "" }, \
- {"slow-bytes", SLOW_BYTES_BIT, \
- N_("Prefer word accesses over byte accesses") }, \
- {"no-slow-bytes", - SLOW_BYTES_BIT, \
- "" }, \
- { "no-lsim", 0, "" }, \
- {"little-endian", LITTLE_END_BIT, \
- N_("Generate little endian code") }, \
- {"big-endian", - LITTLE_END_BIT, \
- "" }, \
- {"210", - M340_BIT, \
- "" }, \
- {"340", M340_BIT, \
- N_("Generate code for the M*Core M340") }, \
- {"", TARGET_DEFAULT, \
- "" } \
-}
+#undef TARGET_8ALIGN
+#define TARGET_8ALIGN 1
extern char * mcore_current_function_name;
-/* Target specific options (as opposed to the switches above). */
-extern const char * mcore_stack_increment_string;
-
-#define TARGET_OPTIONS \
-{ \
- {"stack-increment=", & mcore_stack_increment_string, \
- N_("Maximum amount for a single stack increment operation"), 0} \
-}
-
/* The MCore ABI says that bitfields are unsigned by default. */
#define CC1_SPEC "-funsigned-bitfields"
} \
if (SIZE) \
{ \
- target_flags &= ~ HARDLIT_BIT; \
+ target_flags &= ~MASK_HARDLIT; \
} \
}
#define N_REG_CLASSES (int) LIM_REG_CLASSES
+#define IRA_COVER_CLASSES \
+{ \
+ GENERAL_REGS, C_REGS, LIM_REG_CLASSES \
+}
+
+
/* Give names of register classes as strings for dump file. */
#define REG_CLASS_NAMES \
{ \
U: constant 0
xxxS: 1 cleared bit out of 32 (complement of power of 2). for bclri
xxxT: 2 cleared bits out of 32. for pairs of bclris. */
-#define CONST_OK_FOR_I(VALUE) (((int)(VALUE)) >= 0 && ((int)(VALUE)) <= 0x7f)
-#define CONST_OK_FOR_J(VALUE) (((int)(VALUE)) > 0 && ((int)(VALUE)) <= 32)
-#define CONST_OK_FOR_L(VALUE) (((int)(VALUE)) < 0 && ((int)(VALUE)) >= -32)
-#define CONST_OK_FOR_K(VALUE) (((int)(VALUE)) >= 0 && ((int)(VALUE)) <= 31)
-#define CONST_OK_FOR_M(VALUE) (exact_log2 (VALUE) >= 0)
-#define CONST_OK_FOR_N(VALUE) (((int)(VALUE)) == -1 || exact_log2 ((VALUE) + 1) >= 0)
+#define CONST_OK_FOR_I(VALUE) (((HOST_WIDE_INT)(VALUE)) >= 0 && ((HOST_WIDE_INT)(VALUE)) <= 0x7f)
+#define CONST_OK_FOR_J(VALUE) (((HOST_WIDE_INT)(VALUE)) > 0 && ((HOST_WIDE_INT)(VALUE)) <= 32)
+#define CONST_OK_FOR_L(VALUE) (((HOST_WIDE_INT)(VALUE)) < 0 && ((HOST_WIDE_INT)(VALUE)) >= -32)
+#define CONST_OK_FOR_K(VALUE) (((HOST_WIDE_INT)(VALUE)) >= 0 && ((HOST_WIDE_INT)(VALUE)) <= 31)
+#define CONST_OK_FOR_M(VALUE) (exact_log2 (VALUE) >= 0 && exact_log2 (VALUE) <= 30)
+#define CONST_OK_FOR_N(VALUE) (((HOST_WIDE_INT)(VALUE)) == -1 || (exact_log2 ((VALUE) + 1) >= 0 && exact_log2 ((VALUE) + 1) <= 30))
#define CONST_OK_FOR_O(VALUE) (CONST_OK_FOR_I(VALUE) || \
CONST_OK_FOR_M(VALUE) || \
CONST_OK_FOR_N(VALUE) || \
- CONST_OK_FOR_M((int)(VALUE) - 1) || \
- CONST_OK_FOR_N((int)(VALUE) + 1))
+ CONST_OK_FOR_M((HOST_WIDE_INT)(VALUE) - 1) || \
+ CONST_OK_FOR_N((HOST_WIDE_INT)(VALUE) + 1))
#define CONST_OK_FOR_P(VALUE) (mcore_const_ok_for_inline (VALUE))
/* If defined, the maximum amount of space required for outgoing arguments
will be computed and placed into the variable
- `current_function_outgoing_args_size'. No space will be pushed
+ `crtl->outgoing_args_size'. No space will be pushed
onto the stack for each call; instead, the function prologue should
increase the stack frame size by this amount. */
#define ACCUMULATE_OUTGOING_ARGS 1
/* Define how to find the value returned by a library function
assuming the value has mode MODE. */
-#define LIBCALL_VALUE(MODE) gen_rtx (REG, MODE, FIRST_RET_REG)
+#define LIBCALL_VALUE(MODE) gen_rtx_REG (MODE, FIRST_RET_REG)
/* 1 if N is a possible register number for a function value.
On the MCore, only r4 can return results. */
#define FUNCTION_VALUE_REGNO_P(REGNO) ((REGNO) == FIRST_RET_REG)
-#define MUST_PASS_IN_STACK(MODE,TYPE) \
- mcore_must_pass_on_stack (MODE, TYPE)
-
/* 1 if N is a possible register number for function argument passing. */
#define FUNCTION_ARG_REGNO_P(REGNO) \
((REGNO) >= FIRST_PARM_REG && (REGNO) < (NPARM_REGS + FIRST_PARM_REG))
On MCore, the offset always starts at 0: the first parm reg is always
the same reg. */
-#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT) \
+#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT, N_NAMED_ARGS) \
((CUM) = 0)
/* Update the data in CUM to advance over an argument
#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
mcore_function_arg (CUM, MODE, TYPE, NAMED)
-/* A C expression that indicates when an argument must be passed by
- reference. If nonzero for an argument, a copy of that argument is
- made in memory and a pointer to the argument is passed instead of
- the argument itself. The pointer is passed in whatever way is
- appropriate for passing a pointer to that type. */
-#define FUNCTION_ARG_PASS_BY_REFERENCE(CUM, MODE, TYPE, NAMED) \
- MUST_PASS_IN_STACK (MODE, TYPE)
-
-/* For an arg passed partly in registers and partly in memory,
- this is the number of registers used.
- For args passed entirely in registers or entirely in memory, zero.
- Any arg that starts in the first NPARM_REGS regs but won't entirely
- fit in them needs partial registers on the MCore. */
-#define FUNCTION_ARG_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) \
- mcore_function_arg_partial_nregs (CUM, MODE, TYPE, NAMED)
-
/* Call the function profiler with a given profile label. */
#define FUNCTION_PROFILER(STREAM,LABELNO) \
{ \
CXT is an RTX for the static chain value for the function. */
#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) \
{ \
- emit_move_insn (gen_rtx (MEM, SImode, plus_constant ((TRAMP), 8)), \
+ emit_move_insn (gen_rtx_MEM (SImode, plus_constant ((TRAMP), 8)), \
(CXT)); \
- emit_move_insn (gen_rtx (MEM, SImode, plus_constant ((TRAMP), 12)), \
+ emit_move_insn (gen_rtx_MEM (SImode, plus_constant ((TRAMP), 12)), \
(FNADDR)); \
}
It is given that X satisfies CONSTANT_P or is a CONST_DOUBLE.
On the MCore, allow anything but a double. */
-#define LEGITIMATE_CONSTANT_P(X) (GET_CODE(X) != CONST_DOUBLE)
+#define LEGITIMATE_CONSTANT_P(X) (GET_CODE(X) != CONST_DOUBLE \
+ && CONSTANT_P (X))
-#define LEGITIMIZE_ADDRESS(X, OLDX, MODE, WIN)
/* The macros REG_OK_FOR..._P assume that the arg is a REG rtx
and check its validity for a certain class.
We have two alternate definitions for each of them.
if (GET_CODE (OP) == CONST_INT) \
{ \
if (GET_MODE_SIZE (MODE) >= 4 \
- && (((unsigned)INTVAL (OP)) % 4) == 0 \
- && ((unsigned)INTVAL (OP)) <= 64 - GET_MODE_SIZE (MODE)) \
+ && (((unsigned HOST_WIDE_INT) INTVAL (OP)) % 4) == 0 \
+ && ((unsigned HOST_WIDE_INT) INTVAL (OP)) <= 64 - GET_MODE_SIZE (MODE)) \
goto LABEL; \
if (GET_MODE_SIZE (MODE) == 2 \
- && (((unsigned)INTVAL (OP)) % 2) == 0 \
- && ((unsigned)INTVAL (OP)) <= 30) \
+ && (((unsigned HOST_WIDE_INT) INTVAL (OP)) % 2) == 0 \
+ && ((unsigned HOST_WIDE_INT) INTVAL (OP)) <= 30) \
goto LABEL; \
if (GET_MODE_SIZE (MODE) == 1 \
- && ((unsigned)INTVAL (OP)) <= 15) \
+ && ((unsigned HOST_WIDE_INT) INTVAL (OP)) <= 15) \
goto LABEL; \
} \
} \
/* Go to LABEL if ADDR (a legitimate address expression)
has an effect that depends on the machine mode it is used for. */
-#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR,LABEL) \
-{ \
- if ( GET_CODE (ADDR) == PRE_DEC || GET_CODE (ADDR) == POST_DEC \
- || GET_CODE (ADDR) == PRE_INC || GET_CODE (ADDR) == POST_INC) \
- goto LABEL; \
-}
+#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR,LABEL)
/* Specify the machine mode that this machine uses
for the index in the tablejump instruction. */
/* The type of size_t unsigned int. */
#define SIZE_TYPE "unsigned int"
-/* Don't cse the address of the function being compiled. */
-#define NO_RECURSIVE_FUNCTION_CSE 1
-
/* Max number of bytes we can move from memory to memory
in one reasonably fast instruction. */
#define MOVE_MAX 4
/* Define if loading in MODE, an integral mode narrower than BITS_PER_WORD
will either zero-extend or sign-extend. The value of this macro should
be the code that says which one of the two operations is implicitly
- done, NIL if none. */
+ done, UNKNOWN if none. */
#define LOAD_EXTEND_OP(MODE) ZERO_EXTEND
/* Nonzero if access to memory by bytes is slow and undesirable. */
#define SLOW_BYTE_ACCESS TARGET_SLOW_BYTES
-/* Immediate shift counts are truncated by the output routines (or was it
- the assembler?). Shift counts in a register are truncated by ARM. Note
- that the native compiler puts too large (> 32) immediate shift counts
- into a register and shifts by the register, letting the ARM decide what
- to do instead of doing that itself. */
-#define SHIFT_COUNT_TRUNCATED 1
+/* Shift counts are truncated to 6-bits (0 to 63) instead of the expected
+ 5-bits, so we can not define SHIFT_COUNT_TRUNCATED to true for this
+ target. */
+#define SHIFT_COUNT_TRUNCATED 0
/* All integers have the same format so truncation is easy. */
#define TRULY_NOOP_TRUNCATION(OUTPREC,INPREC) 1
#define WORD_REGISTER_OPERATIONS
-/* Implicit library calls should use memcpy, not bcopy, etc. */
-#define TARGET_MEM_FUNCTIONS
-
/* Assembler output control. */
#define ASM_COMMENT_START "\t//"
#define TEXT_SECTION_ASM_OP "\t.text"
#define DATA_SECTION_ASM_OP "\t.data"
-#undef EXTRA_SECTIONS
-#define EXTRA_SECTIONS SUBTARGET_EXTRA_SECTIONS
-
-#undef EXTRA_SECTION_FUNCTIONS
-#define EXTRA_SECTION_FUNCTIONS \
- SUBTARGET_EXTRA_SECTION_FUNCTIONS \
- SWITCH_SECTION_FUNCTION
-
-/* Switch to SECTION (an `enum in_section').
-
- ??? This facility should be provided by GCC proper.
- The problem is that we want to temporarily switch sections in
- ASM_DECLARE_OBJECT_NAME and then switch back to the original section
- afterwards. */
-#define SWITCH_SECTION_FUNCTION \
-static void switch_to_section (enum in_section, tree); \
-static void \
-switch_to_section (enum in_section section, tree decl) \
-{ \
- switch (section) \
- { \
- case in_text: text_section (); break; \
- case in_data: data_section (); break; \
- case in_named: named_section (decl, NULL, 0); break; \
- SUBTARGET_SWITCH_SECTIONS \
- default: abort (); break; \
- } \
-}
-
/* Switch into a generic section. */
-#undef TARGET_ASM_NAMED_SECTION
+#undef TARGET_ASM_NAMED_SECTION
#define TARGET_ASM_NAMED_SECTION mcore_asm_named_section
/* This is how to output an insn to push a register on the stack.
while (0)
/* This says how to output an assembler line
- to define an external symbol. */
-#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \
- do \
- { \
- fputs ("\t.import\t", (FILE)); \
- assemble_name ((FILE), (NAME)); \
- fputs ("\n", (FILE)); \
- } \
- while (0)
-
-#undef ASM_OUTPUT_EXTERNAL
-/* RBE: we undefined this and let gas do it's "undefined is imported"
- games. This is because when we use this, we get a marked
- reference through the call to assemble_name and this forces C++
- inlined member functions (or any inlined function) to be instantiated
- regardless of whether any call sites remain.
- This makes this aspect of the compiler non-ABI compliant. */
-
-/* This says how to output an assembler line
to define a local common symbol.... */
#undef ASM_OUTPUT_LOCAL
#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
#define PRINT_OPERAND_PUNCT_VALID_P(CHAR) \
((CHAR)=='.' || (CHAR) == '#' || (CHAR) == '*' || (CHAR) == '^' || (CHAR) == '!')
-#define PREDICATE_CODES \
- { "mcore_arith_reg_operand", { REG, SUBREG }}, \
- { "mcore_general_movsrc_operand", { MEM, CONST_INT, REG, SUBREG }},\
- { "mcore_general_movdst_operand", { MEM, CONST_INT, REG, SUBREG }},\
- { "mcore_reload_operand", { MEM, REG, SUBREG }}, \
- { "mcore_arith_J_operand", { CONST_INT, REG, SUBREG }}, \
- { "mcore_arith_K_operand", { CONST_INT, REG, SUBREG }}, \
- { "mcore_arith_K_operand_not_0", { CONST_INT, REG, SUBREG }}, \
- { "mcore_arith_M_operand", { CONST_INT, REG, SUBREG }}, \
- { "mcore_arith_K_S_operand", { CONST_INT, REG, SUBREG }}, \
- { "mcore_arith_O_operand", { CONST_INT, REG, SUBREG }}, \
- { "mcore_arith_imm_operand", { CONST_INT, REG, SUBREG }}, \
- { "mcore_arith_any_imm_operand", { CONST_INT, REG, SUBREG }}, \
- { "mcore_literal_K_operand", { CONST_INT }}, \
- { "mcore_addsub_operand", { CONST_INT, REG, SUBREG }}, \
- { "mcore_compare_operand", { CONST_INT, REG, SUBREG }}, \
- { "mcore_load_multiple_operation", { PARALLEL }}, \
- { "mcore_store_multiple_operation", { PARALLEL }}, \
- { "mcore_call_address_operand", { REG, SUBREG, CONST_INT }}, \
-
#endif /* ! GCC_MCORE_H */
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