/* Definitions of target machine for GNU compiler. NEC V850 series
- Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
- Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005,
+ 2007, 2008, 2009 Free Software Foundation, Inc.
Contributed by Jeff Law (law@cygnus.com).
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 option)
+ 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,
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 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 GCC_V850_H
#define GCC_V850_H
builtin_define( "__v850" ); \
builtin_assert( "machine=v850" ); \
builtin_assert( "cpu=v850" ); \
+ if (TARGET_EP) \
+ builtin_define ("__EP__"); \
} while(0)
#define MASK_CPU (MASK_V850 | MASK_V850E)
{ \
target_flags |= MASK_STRICT_ALIGN; \
if (LEVEL) \
- target_flags |= (MASK_EP | MASK_PROLOG_FUNCTION); \
+ /* Note - we no longer enable MASK_EP when optimizing. This is \
+ because of a hardware bug which stops the SLD and SST instructions\
+ from correctly detecting some hazards. If the user is sure that \
+ their hardware is fixed or that their program will not encounter \
+ the conditions that trigger the bug then they can enable -mep by \
+ hand. */ \
+ target_flags |= MASK_PROLOG_FUNCTION; \
}
\f
/* Allocation boundary (in *bits*) for storing arguments in argument list. */
#define PARM_BOUNDARY 32
-/* The stack goes in 32 bit lumps. */
+/* The stack goes in 32-bit lumps. */
#define STACK_BOUNDARY 32
/* Allocation boundary (in *bits*) for the code of a function.
#define N_REG_CLASSES (int) LIM_REG_CLASSES
+#define IRA_COVER_CLASSES \
+{ \
+ GENERAL_REGS, LIM_REG_CLASSES \
+}
+
/* Give names of register classes as strings for dump file. */
#define REG_CLASS_NAMES \
#define INT_8_BITS(VALUE) ((unsigned) (VALUE) + 0x80 < 0x100)
/* zero */
#define CONST_OK_FOR_I(VALUE) ((VALUE) == 0)
-/* 5 bit signed immediate */
+/* 5-bit signed immediate */
#define CONST_OK_FOR_J(VALUE) ((unsigned) (VALUE) + 0x10 < 0x20)
-/* 16 bit signed immediate */
+/* 16-bit signed immediate */
#define CONST_OK_FOR_K(VALUE) ((unsigned) (VALUE) + 0x8000 < 0x10000)
/* valid constant for movhi instruction. */
#define CONST_OK_FOR_L(VALUE) \
(((unsigned) ((int) (VALUE) >> 16) + 0x8000 < 0x10000) \
&& CONST_OK_FOR_I ((VALUE & 0xffff)))
-/* 16 bit unsigned immediate */
+/* 16-bit unsigned immediate */
#define CONST_OK_FOR_M(VALUE) ((unsigned)(VALUE) < 0x10000)
-/* 5 bit unsigned immediate in shift instructions */
+/* 5-bit unsigned immediate in shift instructions */
#define CONST_OK_FOR_N(VALUE) ((unsigned) (VALUE) <= 31)
-/* 9 bit signed immediate for word multiply instruction. */
+/* 9-bit signed immediate for word multiply instruction. */
#define CONST_OK_FOR_O(VALUE) ((unsigned) (VALUE) + 0x100 < 0x200)
#define CONST_OK_FOR_P(VALUE) 0
#define STACK_GROWS_DOWNWARD
-/* Define this if the nominal address of the stack frame
+/* Define this to nonzero if the nominal address of the stack frame
is at the high-address end of the local variables;
that is, each additional local variable allocated
goes at a more negative offset in the frame. */
-#define FRAME_GROWS_DOWNWARD
+#define FRAME_GROWS_DOWNWARD 1
/* Offset within stack frame to start allocating local variables at.
If FRAME_GROWS_DOWNWARD, this is the offset to the END of the
/* Register in which static-chain is passed to a function. */
#define STATIC_CHAIN_REGNUM 20
-/* Value should be nonzero if functions must have frame pointers.
- Zero means the frame pointer need not be set up (and parms
- may be accessed via the stack pointer) in functions that seem suitable.
- This is computed in `reload', in reload1.c. */
-#define FRAME_POINTER_REQUIRED 0
-
/* If defined, this macro specifies a table of register pairs used to
eliminate unneeded registers that point into the stack frame. If
it is not defined, the only elimination attempted by the compiler
{ ARG_POINTER_REGNUM, STACK_POINTER_REGNUM }, \
{ ARG_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM }} \
-/* A C expression that returns nonzero if the compiler is allowed to
- try to replace register number FROM-REG with register number
- TO-REG. This macro need only be defined if `ELIMINABLE_REGS' is
- defined, and will usually be the constant 1, since most of the
- cases preventing register elimination are things that the compiler
- already knows about. */
-
-#define CAN_ELIMINATE(FROM, TO) \
- ((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
#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
{ \
if ((FROM) == FRAME_POINTER_REGNUM) \
- (OFFSET) = get_frame_size () + current_function_outgoing_args_size; \
+ (OFFSET) = get_frame_size () + crtl->outgoing_args_size; \
else if ((FROM) == ARG_POINTER_REGNUM) \
(OFFSET) = compute_frame_size (get_frame_size (), (long *)0); \
else \
/* Keep the stack pointer constant throughout the function. */
#define ACCUMULATE_OUTGOING_ARGS 1
-/* Value is the number of bytes of arguments automatically
- popped when returning from a subroutine call.
- FUNDECL is the declaration node of the function (as a tree),
- FUNTYPE is the data type of the function (as a tree),
- or for a library call it is an identifier node for the subroutine name.
- SIZE is the number of bytes of arguments passed on the stack. */
-
-#define RETURN_POPS_ARGS(FUNDECL,FUNTYPE,SIZE) 0
-
#define RETURN_ADDR_RTX(COUNT, FP) v850_return_addr (COUNT)
\f
/* Define a data type for recording info about an argument list
/* Define this if the above stack space is to be considered part of the
space allocated by the caller. */
-#define OUTGOING_REG_PARM_STACK_SPACE
+#define OUTGOING_REG_PARM_STACK_SPACE(FNTYPE) 1
/* 1 if N is a possible register number for function argument passing. */
#define FUNCTION_ARG_REGNO_P(N) (N >= 6 && N <= 9)
-/* Define how to find the value returned by a function.
- VALTYPE is the data type of the value (as a tree).
- If the precise function being called is known, FUNC is its FUNCTION_DECL;
- otherwise, FUNC is 0. */
-
-#define FUNCTION_VALUE(VALTYPE, FUNC) \
- gen_rtx_REG (TYPE_MODE (VALTYPE), 10)
-
/* Define how to find the value returned by a library function
assuming the value has mode MODE. */
#define FUNCTION_PROFILER(FILE, LABELNO) ;
-#define TRAMPOLINE_TEMPLATE(FILE) \
- do { \
- fprintf (FILE, "\tjarl .+4,r12\n"); \
- fprintf (FILE, "\tld.w 12[r12],r20\n"); \
- fprintf (FILE, "\tld.w 16[r12],r12\n"); \
- fprintf (FILE, "\tjmp [r12]\n"); \
- fprintf (FILE, "\tnop\n"); \
- fprintf (FILE, "\t.long 0\n"); \
- fprintf (FILE, "\t.long 0\n"); \
- } while (0)
-
/* Length in units of the trampoline for entering a nested function. */
#define TRAMPOLINE_SIZE 24
-/* Emit RTL insns to initialize the variable parts of a trampoline.
- FNADDR is an RTX for the address of the function's pure code.
- 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), 16)), \
- (CXT)); \
- emit_move_insn (gen_rtx_MEM (SImode, plus_constant ((TRAMP), 20)), \
- (FNADDR)); \
-}
-
/* Addressing modes, and classification of registers for them. */
\f
register class that does not include r0 on the output. */
#define EXTRA_CONSTRAINT(OP, C) \
- ((C) == 'Q' ? ep_memory_operand (OP, GET_MODE (OP), 0) \
+ ((C) == 'Q' ? ep_memory_operand (OP, GET_MODE (OP), FALSE) \
: (C) == 'R' ? special_symbolref_operand (OP, VOIDmode) \
: (C) == 'S' ? (GET_CODE (OP) == SYMBOL_REF \
&& !SYMBOL_REF_ZDA_P (OP)) \
- : (C) == 'T' ? ep_memory_operand(OP,GET_MODE(OP),TRUE) \
+ : (C) == 'T' ? ep_memory_operand (OP, GET_MODE (OP), TRUE) \
: (C) == 'U' ? ((GET_CODE (OP) == SYMBOL_REF \
&& SYMBOL_REF_ZDA_P (OP)) \
|| (GET_CODE (OP) == CONST \
#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, ADDR) \
do { \
- if (RTX_OK_FOR_BASE_P (X)) goto ADDR; \
+ if (RTX_OK_FOR_BASE_P (X)) \
+ goto ADDR; \
if (CONSTANT_ADDRESS_P (X) \
&& (MODE == QImode || INTVAL (X) % 2 == 0) \
&& (GET_MODE_SIZE (MODE) <= 4 || INTVAL (X) % 4 == 0)) \
goto ADDR; \
if (GET_CODE (X) == LO_SUM \
- && GET_CODE (XEXP (X, 0)) == REG \
+ && REG_P (XEXP (X, 0)) \
&& REG_OK_FOR_BASE_P (XEXP (X, 0)) \
&& CONSTANT_P (XEXP (X, 1)) \
&& (GET_CODE (XEXP (X, 1)) != CONST_INT \
&& (GET_MODE_SIZE (MODE) <= GET_MODE_SIZE (word_mode))) \
goto ADDR; \
if (GET_CODE (X) == PLUS \
+ && RTX_OK_FOR_BASE_P (XEXP (X, 0)) \
&& CONSTANT_ADDRESS_P (XEXP (X, 1)) \
- && (MODE == QImode || INTVAL (XEXP (X, 1)) % 2 == 0) \
- && RTX_OK_FOR_BASE_P (XEXP (X, 0))) goto ADDR; \
+ && ((MODE == QImode || INTVAL (XEXP (X, 1)) % 2 == 0) \
+ && CONST_OK_FOR_K (INTVAL (XEXP (X, 1)) \
+ + (GET_MODE_NUNITS (MODE) * UNITS_PER_WORD)))) \
+ goto ADDR; \
} while (0)
\f
-/* 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) {}
-
/* Nonzero if the constant value X is a legitimate general operand.
It is given that X satisfies CONSTANT_P or is a CONST_DOUBLE. */
/* According expr.c, a value of around 6 should minimize code size, and
for the V850 series, that's our primary concern. */
-#define MOVE_RATIO 6
+#define MOVE_RATIO(speed) 6
/* Indirect calls are expensive, never turn a direct call
into an indirect call. */
DATA_AREA_ZDA
} v850_data_area;
-/* 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_tdata, in_sdata, in_zdata, \
- in_rozdata, in_rosdata, in_sbss, in_zbss, in_zcommon, in_scommon
-
-/* 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
-
-/* This could be done a lot more cleanly using ANSI C.... */
-#define EXTRA_SECTION_FUNCTIONS \
-void \
-sdata_section () \
-{ \
- if (in_section != in_sdata) \
- { \
- fprintf (asm_out_file, "%s\n", SDATA_SECTION_ASM_OP); \
- in_section = in_sdata; \
- } \
-} \
- \
-void \
-rosdata_section () \
-{ \
- if (in_section != in_rosdata) \
- { \
- fprintf (asm_out_file, "%s\n", ROSDATA_SECTION_ASM_OP); \
- in_section = in_sdata; \
- } \
-} \
- \
-void \
-sbss_section () \
-{ \
- if (in_section != in_sbss) \
- { \
- fprintf (asm_out_file, "%s\n", SBSS_SECTION_ASM_OP); \
- in_section = in_sbss; \
- } \
-} \
- \
-void \
-tdata_section () \
-{ \
- if (in_section != in_tdata) \
- { \
- fprintf (asm_out_file, "%s\n", TDATA_SECTION_ASM_OP); \
- in_section = in_tdata; \
- } \
-} \
- \
-void \
-zdata_section () \
-{ \
- if (in_section != in_zdata) \
- { \
- fprintf (asm_out_file, "%s\n", ZDATA_SECTION_ASM_OP); \
- in_section = in_zdata; \
- } \
-} \
- \
-void \
-rozdata_section () \
-{ \
- if (in_section != in_rozdata) \
- { \
- fprintf (asm_out_file, "%s\n", ROZDATA_SECTION_ASM_OP); \
- in_section = in_rozdata; \
- } \
-} \
- \
-void \
-zbss_section () \
-{ \
- if (in_section != in_zbss) \
- { \
- fprintf (asm_out_file, "%s\n", ZBSS_SECTION_ASM_OP); \
- in_section = in_zbss; \
- } \
-}
-
#define TEXT_SECTION_ASM_OP "\t.section .text"
#define DATA_SECTION_ASM_OP "\t.section .data"
#define BSS_SECTION_ASM_OP "\t.section .bss"
#define SDATA_SECTION_ASM_OP "\t.section .sdata,\"aw\""
#define SBSS_SECTION_ASM_OP "\t.section .sbss,\"aw\""
-#define ZDATA_SECTION_ASM_OP "\t.section .zdata,\"aw\""
-#define ZBSS_SECTION_ASM_OP "\t.section .zbss,\"aw\""
-#define TDATA_SECTION_ASM_OP "\t.section .tdata,\"aw\""
-#define ROSDATA_SECTION_ASM_OP "\t.section .rosdata,\"a\""
-#define ROZDATA_SECTION_ASM_OP "\t.section .rozdata,\"a\""
#define SCOMMON_ASM_OP "\t.scomm\t"
#define ZCOMMON_ASM_OP "\t.zcomm\t"
{ "r30", 30 }, \
{ "lp", 31} }
-/* Print an instruction operand X on file FILE.
- look in v850.c for details */
-
-#define PRINT_OPERAND(FILE, X, CODE) print_operand (FILE, X, CODE)
-
-#define PRINT_OPERAND_PUNCT_VALID_P(CODE) \
- ((CODE) == '.')
-
-/* Print a memory operand whose address is X, on file FILE.
- This uses a function in output-vax.c. */
-
-#define PRINT_OPERAND_ADDRESS(FILE, ADDR) print_operand_address (FILE, ADDR)
-
#define ASM_OUTPUT_REG_PUSH(FILE,REGNO)
#define ASM_OUTPUT_REG_POP(FILE,REGNO)
/* This is how to output an element of a case-vector that is relative. */
+/* Disable the shift, which is for the currently disabled "switch"
+ opcode. Se casesi in v850.md. */
#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
fprintf (FILE, "\t%s %s.L%d-.L%d%s\n", \
(TARGET_BIG_SWITCH ? ".long" : ".short"), \
- (! TARGET_BIG_SWITCH && TARGET_V850E ? "(" : ""), \
+ (0 && ! TARGET_BIG_SWITCH && TARGET_V850E ? "(" : ""), \
VALUE, REL, \
- (! TARGET_BIG_SWITCH && TARGET_V850E ? ")>>1" : ""))
+ (0 && ! TARGET_BIG_SWITCH && TARGET_V850E ? ")>>1" : ""))
#define ASM_OUTPUT_ALIGN(FILE, LOG) \
if ((LOG) != 0) \
#define SYMBOL_REF_TDA_P(X) ((SYMBOL_REF_FLAGS (X) & SYMBOL_FLAG_TDA) != 0)
#define SYMBOL_REF_SDA_P(X) ((SYMBOL_REF_FLAGS (X) & SYMBOL_FLAG_SDA) != 0)
+#define TARGET_ASM_INIT_SECTIONS v850_asm_init_sections
+
#endif /* ! GCC_V850_H */
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