/* Target macros for the FRV port of GCC.
- Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005
+ Copyright (C) 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008
Free Software Foundation, Inc.
Contributed by Red Hat Inc.
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, 51 Franklin Street, Fifth Floor, Boston, MA
- 02110-1301, USA. */
+ along with GCC; see the file COPYING3. If not see
+ <http://www.gnu.org/licenses/>. */
#ifndef __FRV_H__
#define __FRV_H__
#define FDPIC_FPTR_REGNO (GPR_FIRST + 14) /* uClinux PIC function pointer register. */
#define FDPIC_REGNO (GPR_FIRST + 15) /* uClinux PIC register. */
+#define HARD_REGNO_RENAME_OK(from,to) (TARGET_FDPIC ? ((to) != FDPIC_REG) : 1)
+
#define OUR_FDPIC_REG get_hard_reg_initial_val (SImode, FDPIC_REGNO)
#define FPR_FIRST 64 /* First FP reg */
1, 1, 1, 1, /* 164-167, accg8 - accg11 */ \
/* Other registers */ \
1, /* 168, AP - fake arg ptr */ \
- 0, /* 169, LR - Link register*/ \
+ 1, /* 169, LR - Link register*/ \
0, /* 170, LCR - Loop count reg*/ \
1, 1 /* 171-172, iacc0 */ \
}
{ 0xffffffff,0xffffffff,0xffffffff,0xffffffff,0xffffffff,0x1fff}, /* ALL_REGS */\
}
+/* The following macro defines cover classes for Integrated Register
+ Allocator. Cover classes is a set of non-intersected register
+ classes covering all hard registers used for register allocation
+ purpose. Any move between two registers of a cover class should be
+ cheaper than load or store of the registers. The macro value is
+ array of register classes with LIM_REG_CLASSES used as the end
+ marker. */
+
+#define IRA_COVER_CLASSES \
+{ \
+ GPR_REGS, FPR_REGS, ACC_REGS, ICR_REGS, FCR_REGS, ICC_REGS, FCC_REGS, \
+ ACCG_REGS, SPR_REGS, \
+ LIM_REG_CLASSES \
+}
+
/* 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 PREFERRED_RELOAD_CLASS(X, CLASS) CLASS
#define SECONDARY_INPUT_RELOAD_CLASS(CLASS, MODE, X) \
- frv_secondary_reload_class (CLASS, MODE, X, TRUE)
+ frv_secondary_reload_class (CLASS, MODE, X)
#define SECONDARY_OUTPUT_RELOAD_CLASS(CLASS, MODE, X) \
- frv_secondary_reload_class (CLASS, MODE, X, FALSE)
+ frv_secondary_reload_class (CLASS, MODE, X)
/* A C expression whose value is nonzero if pseudos that have been assigned to
registers of class CLASS would likely be spilled because registers of CLASS
#define ZERO_P(x) (x == CONST0_RTX (GET_MODE (x)))
-/* 6 bit signed immediate. */
+/* 6-bit signed immediate. */
#define CONST_OK_FOR_I(VALUE) IN_RANGE_P(VALUE, -32, 31)
-/* 10 bit signed immediate. */
+/* 10-bit signed immediate. */
#define CONST_OK_FOR_J(VALUE) IN_RANGE_P(VALUE, -512, 511)
/* Unused */
#define CONST_OK_FOR_K(VALUE) 0
-/* 16 bit signed immediate. */
+/* 16-bit signed immediate. */
#define CONST_OK_FOR_L(VALUE) IN_RANGE_P(VALUE, -32768, 32767)
-/* 16 bit unsigned immediate. */
+/* 16-bit unsigned immediate. */
#define CONST_OK_FOR_M(VALUE) IN_RANGE_P (VALUE, 0, 65535)
-/* 12 bit signed immediate that is negative. */
+/* 12-bit signed immediate that is negative. */
#define CONST_OK_FOR_N(VALUE) IN_RANGE_P(VALUE, -2048, -1)
/* Zero */
#define CONST_OK_FOR_O(VALUE) ((VALUE) == 0)
-/* 12 bit signed immediate that is negative. */
+/* 12-bit signed immediate that is negative. */
#define CONST_OK_FOR_P(VALUE) IN_RANGE_P(VALUE, 1, 2047)
/* A C expression that defines the machine-dependent operand constraint letters
: (C) == 'U' ? EXTRA_CONSTRAINT_FOR_U (VALUE) \
: 0)
+#define EXTRA_MEMORY_CONSTRAINT(C,STR) \
+ ((C) == 'U' || (C) == 'R' || (C) == 'T')
+
#define CONSTRAINT_LEN(C, STR) \
((C) == 'D' ? 3 : DEFAULT_CONSTRAINT_LEN ((C), (STR)))
/* 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 onto the
+ `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.
\f
/* How Large Values are Returned. */
-/* The number of the register that is used to to pass the structure
+/* The number of the register that is used to pass the structure
value address. */
#define FRV_STRUCT_VALUE_REGNUM (GPR_FIRST + 3)
#define FUNCTION_PROFILER(FILE, LABELNO)
-\f
-/* Implementing the Varargs Macros. */
-
-/* Implement the stdarg/varargs va_start macro. STDARG_P is nonzero if this
- is stdarg.h instead of varargs.h. VALIST is the tree of the va_list
- variable to initialize. NEXTARG is the machine independent notion of the
- 'next' argument after the variable arguments. If not defined, a standard
- implementation will be defined that works for arguments passed on the stack. */
-
-#define EXPAND_BUILTIN_VA_START(VALIST, NEXTARG) \
- (frv_expand_builtin_va_start(VALIST, NEXTARG))
-
-\f
/* Trampolines for Nested Functions. */
/* A C expression for the size in bytes of the trampoline, as an integer. */
#define FIND_BASE_TERM frv_find_base_term
-/* A C statement or compound statement with a conditional `goto LABEL;'
- executed if memory address X (an RTX) can have different meanings depending
- on the machine mode of the memory reference it is used for or if the address
- is valid for some modes but not others.
-
- Autoincrement and autodecrement addresses typically have mode-dependent
- effects because the amount of the increment or decrement is the size of the
- operand being addressed. Some machines have other mode-dependent addresses.
- Many RISC machines have no mode-dependent addresses.
-
- You may assume that ADDR is a valid address for the machine. */
-#define GO_IF_MODE_DEPENDENT_ADDRESS(ADDR, LABEL)
-
/* A C expression that is nonzero if X is a legitimate constant for an
immediate operand on the target machine. You can assume that X satisfies
`CONSTANT_P', so you need not check this. In fact, `1' is a suitable
/* A C expression for the cost of a branch instruction. A value of 1 is the
default; other values are interpreted relative to that. */
-#define BRANCH_COST frv_branch_cost_int
+#define BRANCH_COST(speed_p, predictable_p) frv_branch_cost_int
/* 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
program so they can be changed program startup time if the program is loaded
at a different address than linked for. */
#define FIXUP_SECTION_ASM_OP "\t.section .rofixup,\"a\""
-
-/* A list of names for sections other than the standard two, which are
- `in_text' and `in_data'. You need not define this macro
- on a system with no other sections (that GCC needs to use). */
-#undef EXTRA_SECTIONS
-#define EXTRA_SECTIONS in_sdata, in_const, in_fixup
-
-/* One or more functions to be defined in "varasm.c". These
- functions should do jobs analogous to those of `text_section' and
- `data_section', for your additional sections. Do not define this
- macro if you do not define `EXTRA_SECTIONS'. */
-#undef EXTRA_SECTION_FUNCTIONS
-#define EXTRA_SECTION_FUNCTIONS \
- SDATA_SECTION_FUNCTION \
- FIXUP_SECTION_FUNCTION
-
-#define SDATA_SECTION_FUNCTION \
-void \
-sdata_section (void) \
-{ \
- if (in_section != in_sdata) \
- { \
- fprintf (asm_out_file, "%s\n", SDATA_SECTION_ASM_OP); \
- in_section = in_sdata; \
- } \
-}
-
-#define FIXUP_SECTION_FUNCTION \
-void \
-fixup_section (void) \
-{ \
- if (in_section != in_fixup) \
- { \
- fprintf (asm_out_file, "%s\n", FIXUP_SECTION_ASM_OP); \
- in_section = in_fixup; \
- } \
-}
\f
/* Position Independent Code. */
#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(STREAM, DECL, NAME, SIZE, ALIGN) \
do { \
if ((SIZE) > 0 && (SIZE) <= g_switch_value) \
- named_section (0, ".sbss", 0); \
+ switch_to_section (get_named_section (NULL, ".sbss", 0)); \
else \
- bss_section (); \
+ switch_to_section (bss_section); \
ASM_OUTPUT_ALIGN (STREAM, floor_log2 ((ALIGN) / BITS_PER_UNIT)); \
ASM_DECLARE_OBJECT_NAME (STREAM, NAME, DECL); \
ASM_OUTPUT_SKIP (STREAM, (SIZE) ? (SIZE) : 1); \
#define ASM_OUTPUT_ADDR_VEC_ELT(STREAM, VALUE) \
fprintf (STREAM, "\t.word .L%d\n", VALUE)
-/* Define this if the label before a jump-table needs to be output specially.
- The first three arguments are the same as for `(*targetm.asm_out.internal_label)';
- the fourth argument is the jump-table which follows (a `jump_insn'
- containing an `addr_vec' or `addr_diff_vec').
-
- This feature is used on system V to output a `swbeg' statement for the
- table.
-
- If this macro is not defined, these labels are output with
- `(*targetm.asm_out.internal_label)'.
-
- Defined in svr4.h. */
-/* When generating embedded PIC or mips16 code we want to put the jump
- table in the .text section. In all other cases, we want to put the
- jump table in the .rdata section. Unfortunately, we can't use
- JUMP_TABLES_IN_TEXT_SECTION, because it is not conditional.
- Instead, we use ASM_OUTPUT_CASE_LABEL to switch back to the .text
- section if appropriate. */
-
-#undef ASM_OUTPUT_CASE_LABEL
-#define ASM_OUTPUT_CASE_LABEL(STREAM, PREFIX, NUM, TABLE) \
-do { \
- if (flag_pic) \
- function_section (current_function_decl); \
- (*targetm.asm_out.internal_label) (STREAM, PREFIX, NUM); \
-} while (0)
-
+#define JUMP_TABLES_IN_TEXT_SECTION (flag_pic)
\f
/* Assembler Commands for Exception Regions. */
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