-/* Definitions of target machine for GNU compiler, Mitsubishi M32R cpu.
- Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002
- Free Software Foundation, Inc.
+/* Definitions of target machine for GNU compiler, Renesas M32R cpu.
+ Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+ 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
-This file is part of GNU CC.
+ This file is part of GCC.
-GNU CC 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)
-any later version.
+ 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.
-GNU CC 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.
+ 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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+ 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/>. */
/* Things to do:
- longlong.h?
#undef PTRDIFF_TYPE
#undef WCHAR_TYPE
#undef WCHAR_TYPE_SIZE
-#undef ASM_FILE_START
-#undef ASM_OUTPUT_EXTERNAL_LIBCALL
#undef TARGET_VERSION
#undef CPP_SPEC
#undef ASM_SPEC
#undef LINK_SPEC
#undef STARTFILE_SPEC
#undef ENDFILE_SPEC
-#undef SUBTARGET_SWITCHES
+
+#undef ASM_APP_ON
+#undef ASM_APP_OFF
\f
/* M32R/X overrides. */
/* Print subsidiary information on the compiler version in use. */
-#define TARGET_VERSION fprintf (stderr, " (m32r/x)");
+#define TARGET_VERSION fprintf (stderr, " (m32r/x/2)");
/* Additional flags for the preprocessor. */
-#define CPP_CPU_SPEC "%{m32rx:-D__M32RX__} %{m32r:-U__M32RX__}"
+#define CPP_CPU_SPEC "%{m32rx:-D__M32RX__ -D__m32rx__ -U__M32R2__ -U__m32r2__} \
+%{m32r2:-D__M32R2__ -D__m32r2__ -U__M32RX__ -U__m32rx__} \
+%{m32r:-U__M32RX__ -U__m32rx__ -U__M32R2__ -U__m32r2__} \
+ "
/* Assembler switches. */
#define ASM_CPU_SPEC \
-"%{m32r} %{m32rx} %{!O0: %{O*: -O}} --no-warn-explicit-parallel-conflicts"
+"%{m32r} %{m32rx} %{m32r2} %{!O0: %{O*: -O}} --no-warn-explicit-parallel-conflicts"
/* Use m32rx specific crt0/crtinit/crtfini files. */
#define STARTFILE_CPU_SPEC "%{!shared:crt0.o%s} %{m32rx:m32rx/crtinit.o%s} %{!m32rx:crtinit.o%s}"
#define ENDFILE_CPU_SPEC "-lgloss %{m32rx:m32rx/crtfini.o%s} %{!m32rx:crtfini.o%s}"
-/* Extra machine dependent switches. */
-#define SUBTARGET_SWITCHES \
- { "32rx", TARGET_M32RX_MASK, "Compile for the m32rx" }, \
- { "32r", -TARGET_M32RX_MASK, "" },
-
/* Define this macro as a C expression for the initializer of an array of
strings to tell the driver program which options are defaults for this
target and thus do not need to be handled specially when using
#define TARGET_VERSION fprintf (stderr, " (m32r)")
#endif
-/* Switch Recognition by gcc.c. Add -G xx support */
+/* Switch Recognition by gcc.c. Add -G xx support. */
#undef SWITCH_TAKES_ARG
#define SWITCH_TAKES_ARG(CHAR) \
do \
{ \
builtin_define ("__M32R__"); \
+ builtin_define ("__m32r__"); \
builtin_assert ("cpu=m32r"); \
builtin_assert ("machine=m32r"); \
+ builtin_define (TARGET_BIG_ENDIAN \
+ ? "__BIG_ENDIAN__" : "__LITTLE_ENDIAN__"); \
} \
while (0)
is an initializer with a subgrouping for each command option.
Each subgrouping contains a string constant, that defines the
- specification name, and a string constant that used by the GNU CC driver
+ specification name, and a string constant that used by the GCC driver
program.
Do not define this macro if it does not need to do anything. */
#endif
#ifndef RELAX_SPEC
-#if 0 /* not supported yet */
+#if 0 /* Not supported yet. */
#define RELAX_SPEC "%{mrelax:-relax}"
#else
#define RELAX_SPEC ""
{ "relax", RELAX_SPEC }, \
SUBTARGET_EXTRA_SPECS
+#define CPP_SPEC "%(cpp_cpu)"
+
+#undef CC1_SPEC
#define CC1_SPEC "%{G*} %(cc1_cpu)"
/* Options to pass on to the assembler. */
#undef ASM_SPEC
-#define ASM_SPEC "%{v} %(asm_cpu) %(relax)"
-
-#undef ASM_FINAL_SPEC
+#define ASM_SPEC "%{v} %(asm_cpu) %(relax) %{fpic|fpie:-K PIC} %{fPIC|fPIE:-K PIC}"
#define LINK_SPEC "%{v} %(link_cpu) %(relax)"
\f
/* Run-time compilation parameters selecting different hardware subsets. */
-extern int target_flags;
-
-/* If nonzero, tell the linker to do relaxing.
- We don't do anything with the option, other than recognize it.
- LINK_SPEC handles passing -relax to the linker.
- This can cause incorrect debugging information as line numbers may
- turn out wrong. This shouldn't be specified unless accompanied with -O2
- [where the user expects debugging information to be less accurate]. */
-#define TARGET_RELAX_MASK (1 << 0)
-
-/* For miscellaneous debugging purposes. */
-#define TARGET_DEBUG_MASK (1 << 1)
-#define TARGET_DEBUG (target_flags & TARGET_DEBUG_MASK)
-
-/* Align loops to 32 byte boundaries (cache line size). */
-/* ??? This option is experimental and is not documented. */
-#define TARGET_ALIGN_LOOPS_MASK (1 << 2)
-#define TARGET_ALIGN_LOOPS (target_flags & TARGET_ALIGN_LOOPS_MASK)
-
-/* Change issue rate. */
-#define TARGET_LOW_ISSUE_RATE_MASK (1 << 3)
-#define TARGET_LOW_ISSUE_RATE (target_flags & TARGET_LOW_ISSUE_RATE_MASK)
-
-/* Change branch cost */
-#define TARGET_BRANCH_COST_MASK (1 << 4)
-#define TARGET_BRANCH_COST (target_flags & TARGET_BRANCH_COST_MASK)
-
-/* Target machine to compile for. */
-#define TARGET_M32R 1
-
-/* Support extended instruction set. */
-#define TARGET_M32RX_MASK (1 << 5)
-#define TARGET_M32RX (target_flags & TARGET_M32RX_MASK)
-#undef TARGET_M32R
-#define TARGET_M32R (! TARGET_M32RX)
-
-/* Macro to define tables used to set the flags.
- This is a list in braces of pairs in braces,
- each pair being { "NAME", VALUE }
- where VALUE is the bits to set or minus the bits to clear.
- An empty string NAME is used to identify the default VALUE. */
-
-#ifndef SUBTARGET_SWITCHES
-#define SUBTARGET_SWITCHES
-#endif
+#define TARGET_M32R (! TARGET_M32RX && ! TARGET_M32R2)
-#ifndef TARGET_DEFAULT
-#define TARGET_DEFAULT 0
+#ifndef TARGET_LITTLE_ENDIAN
+#define TARGET_LITTLE_ENDIAN 0
#endif
+#define TARGET_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
-#define TARGET_SWITCHES \
-{ \
-/* { "relax", TARGET_RELAX_MASK, "" }, \
- { "no-relax", -TARGET_RELAX_MASK, "" },*/ \
- { "debug", TARGET_DEBUG_MASK, \
- N_("Display compile time statistics") }, \
- { "align-loops", TARGET_ALIGN_LOOPS_MASK, \
- N_("Align all loops to 32 byte boundary") }, \
- { "no-align-loops", -TARGET_ALIGN_LOOPS_MASK, "" }, \
- { "issue-rate=1", TARGET_LOW_ISSUE_RATE_MASK, \
- N_("Only issue one instruction per cycle") }, \
- { "issue-rate=2", -TARGET_LOW_ISSUE_RATE_MASK, "" }, \
- { "branch-cost=1", TARGET_BRANCH_COST_MASK, \
- N_("Prefer branches over conditional execution") }, \
- { "branch-cost=2", -TARGET_BRANCH_COST_MASK, "" }, \
- SUBTARGET_SWITCHES \
- { "", TARGET_DEFAULT, "" } \
-}
-
-extern const char * m32r_model_string;
-extern const char * m32r_sdata_string;
-
-#ifndef SUBTARGET_OPTIONS
-#define SUBTARGET_OPTIONS
+/* This defaults us to m32r. */
+#ifndef TARGET_CPU_DEFAULT
+#define TARGET_CPU_DEFAULT 0
#endif
-#define TARGET_OPTIONS \
-{ \
- { "model=", & m32r_model_string, \
- N_("Code size: small, medium or large") }, \
- { "sdata=", & m32r_sdata_string, \
- N_("Small data area: none, sdata, use") } \
- SUBTARGET_OPTIONS \
-}
-
/* Code Models
Code models are used to select between two choices of two separate
enum m32r_model { M32R_MODEL_SMALL, M32R_MODEL_MEDIUM, M32R_MODEL_LARGE };
extern enum m32r_model m32r_model;
-#define TARGET_MODEL_SMALL (m32r_model == M32R_MODEL_SMALL)
+#define TARGET_MODEL_SMALL (m32r_model == M32R_MODEL_SMALL)
#define TARGET_MODEL_MEDIUM (m32r_model == M32R_MODEL_MEDIUM)
-#define TARGET_MODEL_LARGE (m32r_model == M32R_MODEL_LARGE)
-#define TARGET_ADDR24 (m32r_model == M32R_MODEL_SMALL)
-#define TARGET_ADDR32 (! TARGET_ADDR24)
-#define TARGET_CALL26 (! TARGET_CALL32)
-#define TARGET_CALL32 (m32r_model == M32R_MODEL_LARGE)
+#define TARGET_MODEL_LARGE (m32r_model == M32R_MODEL_LARGE)
+#define TARGET_ADDR24 (m32r_model == M32R_MODEL_SMALL)
+#define TARGET_ADDR32 (! TARGET_ADDR24)
+#define TARGET_CALL26 (! TARGET_CALL32)
+#define TARGET_CALL32 (m32r_model == M32R_MODEL_LARGE)
/* The default is the small model. */
#ifndef M32R_MODEL_DEFAULT
-#define M32R_MODEL_DEFAULT "small"
+#define M32R_MODEL_DEFAULT M32R_MODEL_SMALL
#endif
/* Small Data Area
.data). ??? There can be a problem if the user passes a -G value greater
than the default and a library object in a header file is that size.
The default is 8 so this should be rare - if it occurs the user
- is required to rebuild the libraries or use a smaller value for -G.
-*/
+ is required to rebuild the libraries or use a smaller value for -G. */
/* Maximum size of variables that go in .sdata/.sbss.
The -msdata=foo switch also controls how small variables are handled. */
#define SDATA_DEFAULT_SIZE 8
#endif
-extern int g_switch_value; /* value of the -G xx switch */
-extern int g_switch_set; /* whether -G xx was passed. */
-
enum m32r_sdata { M32R_SDATA_NONE, M32R_SDATA_SDATA, M32R_SDATA_USE };
extern enum m32r_sdata m32r_sdata;
-#define TARGET_SDATA_NONE (m32r_sdata == M32R_SDATA_NONE)
+#define TARGET_SDATA_NONE (m32r_sdata == M32R_SDATA_NONE)
#define TARGET_SDATA_SDATA (m32r_sdata == M32R_SDATA_SDATA)
-#define TARGET_SDATA_USE (m32r_sdata == M32R_SDATA_USE)
+#define TARGET_SDATA_USE (m32r_sdata == M32R_SDATA_USE)
/* Default is to disable the SDA
[for upward compatibility with previous toolchains]. */
#ifndef M32R_SDATA_DEFAULT
-#define M32R_SDATA_DEFAULT "none"
+#define M32R_SDATA_DEFAULT M32R_SDATA_NONE
#endif
/* Define this macro as a C expression for the initializer of an array of
#define MULTILIB_DEFAULTS { "mmodel=small" SUBTARGET_MULTILIB_DEFAULTS }
#endif
-/* Sometimes certain combinations of command options do not make
- sense on a particular target machine. You can define a macro
- `OVERRIDE_OPTIONS' to take account of this. This macro, if
- defined, is executed once just after all the command options have
- been parsed.
-
- Don't use this macro to turn on various extra optimizations for
- `-O'. That is what `OPTIMIZATION_OPTIONS' is for. */
-
#ifndef SUBTARGET_OVERRIDE_OPTIONS
#define SUBTARGET_OVERRIDE_OPTIONS
#endif
-
-#define OVERRIDE_OPTIONS \
- do \
- { \
- /* These need to be done at start up. \
- It's convenient to do them here. */ \
- m32r_init (); \
- SUBTARGET_OVERRIDE_OPTIONS \
- } \
- while (0)
-
-#ifndef SUBTARGET_OPTIMIZATION_OPTIONS
-#define SUBTARGET_OPTIMIZATION_OPTIONS
-#endif
-
-#define OPTIMIZATION_OPTIONS(LEVEL, SIZE) \
- do \
- { \
- if (LEVEL == 1) \
- flag_regmove = TRUE; \
- \
- if (SIZE) \
- { \
- flag_omit_frame_pointer = TRUE; \
- flag_strength_reduce = FALSE; \
- } \
- \
- SUBTARGET_OPTIMIZATION_OPTIONS \
- } \
- while (0)
-
-/* Define this macro if debugging can be performed even without a
- frame pointer. If this macro is defined, GNU CC will turn on the
- `-fomit-frame-pointer' option whenever `-O' is specified. */
-#define CAN_DEBUG_WITHOUT_FP
\f
/* Target machine storage layout. */
#define BITS_BIG_ENDIAN 1
/* Define this if most significant byte of a word is the lowest numbered. */
-#define BYTES_BIG_ENDIAN 1
+#define BYTES_BIG_ENDIAN (TARGET_LITTLE_ENDIAN == 0)
/* Define this if most significant word of a multiword number is the lowest
numbered. */
-#define WORDS_BIG_ENDIAN 1
-
-/* Define this macro if WORDS_BIG_ENDIAN is not constant. This must
- be a constant value with the same meaning as WORDS_BIG_ENDIAN,
- which will be used only when compiling libgcc2.c. Typically the
- value will be set based on preprocessor defines. */
-/*#define LIBGCC2_WORDS_BIG_ENDIAN 1*/
+#define WORDS_BIG_ENDIAN (TARGET_LITTLE_ENDIAN == 0)
/* Width of a word, in units (bytes). */
#define UNITS_PER_WORD 4
(MODE) = SImode; \
}
-/* Define this macro if the promotion described by `PROMOTE_MODE'
- should also be done for outgoing function arguments. */
-/*#define PROMOTE_FUNCTION_ARGS*/
-
-/* Likewise, if the function return value is promoted.
- If defined, FUNCTION_VALUE must perform the same promotions done by
- PROMOTE_MODE. */
-/*#define PROMOTE_FUNCTION_RETURN*/
-
/* Allocation boundary (in *bits*) for storing arguments in argument list. */
#define PARM_BOUNDARY 32
#define STACK_BOUNDARY 32
/* ALIGN FRAMES on word boundaries */
-#define M32R_STACK_ALIGN(LOC) (((LOC)+3) & ~3)
+#define M32R_STACK_ALIGN(LOC) (((LOC) + 3) & ~ 3)
/* Allocation boundary (in *bits*) for the code of a function. */
#define FUNCTION_BOUNDARY 32
/* Set this nonzero if move instructions will actually fail to work
when given unaligned data. */
#define STRICT_ALIGNMENT 1
+
+/* Define LAVEL_ALIGN to calculate code length of PNOP at labels. */
+#define LABEL_ALIGN(insn) 2
\f
/* Layout of source language data types. */
SUBTARGET_CALL_USED_REGISTERS \
}
+#define CALL_REALLY_USED_REGISTERS CALL_USED_REGISTERS
+
/* Zero or more C statements that may conditionally modify two variables
`fixed_regs' and `call_used_regs' (both of type `char []') after they
have been initialized from the two preceding macros.
#ifdef SUBTARGET_CONDITIONAL_REGISTER_USAGE
#define CONDITIONAL_REGISTER_USAGE SUBTARGET_CONDITIONAL_REGISTER_USAGE
+#else
+#define CONDITIONAL_REGISTER_USAGE \
+ do \
+ { \
+ if (flag_pic) \
+ { \
+ fixed_regs[PIC_OFFSET_TABLE_REGNUM] = 1; \
+ call_used_regs[PIC_OFFSET_TABLE_REGNUM] = 1; \
+ } \
+ } \
+ while (0)
#endif
/* If defined, an initializer for a vector of integers, containing the
- numbers of hard registers in the order in which GNU CC should
+ numbers of hard registers in the order in which GCC should
prefer to use them (from most preferred to least). */
#ifndef SUBTARGET_REG_ALLOC_ORDER
#define SUBTARGET_REG_ALLOC_ORDER
#endif
-#if 1 /* better for int code */
+#if 1 /* Better for int code. */
#define REG_ALLOC_ORDER \
{ \
4, 5, 6, 7, 2, 3, 8, 9, 10, \
SUBTARGET_REG_ALLOC_ORDER \
}
-#else /* better for fp code at expense of int code */
+#else /* Better for fp code at expense of int code. */
#define REG_ALLOC_ORDER \
{ \
0, 1, 2, 3, 4, 5, 6, 7, 8, \
This is ordinarily the length in words of a value of mode MODE
but can be less for certain modes in special long registers. */
#define HARD_REGNO_NREGS(REGNO, MODE) \
-((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
+ ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
/* Value is 1 if hard register REGNO can hold a value of machine-mode MODE. */
extern const unsigned int m32r_hard_regno_mode_ok[FIRST_PSEUDO_REGISTER];
extern unsigned int m32r_mode_class[];
#define HARD_REGNO_MODE_OK(REGNO, MODE) \
-((m32r_hard_regno_mode_ok[REGNO] & m32r_mode_class[MODE]) != 0)
+ ((m32r_hard_regno_mode_ok[REGNO] & m32r_mode_class[MODE]) != 0)
/* A C expression that is nonzero if it is desirable to choose
register allocation so as to avoid move instructions between a
MODE2)' must be zero. */
/* Tie QI/HI/SI modes together. */
-#define MODES_TIEABLE_P(MODE1, MODE2) \
-(GET_MODE_CLASS (MODE1) == MODE_INT \
- && GET_MODE_CLASS (MODE2) == MODE_INT \
- && GET_MODE_SIZE (MODE1) <= UNITS_PER_WORD \
- && GET_MODE_SIZE (MODE2) <= UNITS_PER_WORD)
+#define MODES_TIEABLE_P(MODE1, MODE2) \
+ ( GET_MODE_CLASS (MODE1) == MODE_INT \
+ && GET_MODE_CLASS (MODE2) == MODE_INT \
+ && GET_MODE_SIZE (MODE1) <= UNITS_PER_WORD \
+ && GET_MODE_SIZE (MODE2) <= UNITS_PER_WORD)
+
+#define HARD_REGNO_RENAME_OK(OLD_REG, NEW_REG) \
+ m32r_hard_regno_rename_ok (OLD_REG, NEW_REG)
\f
/* Register classes and constants. */
NO_REGS, CARRY_REG, ACCUM_REGS, GENERAL_REGS, ALL_REGS, LIM_REG_CLASSES
};
+#define IRA_COVER_CLASSES \
+{ \
+ ACCUM_REGS, GENERAL_REGS, LIM_REG_CLASSES \
+}
+
#define N_REG_CLASSES ((int) LIM_REG_CLASSES)
-/* Give names of register classes as strings for dump file. */
+/* Give names of register classes as strings for dump file. */
#define REG_CLASS_NAMES \
{ "NO_REGS", "CARRY_REG", "ACCUM_REGS", "GENERAL_REGS", "ALL_REGS" }
#define INDEX_REG_CLASS GENERAL_REGS
#define BASE_REG_CLASS GENERAL_REGS
-#define REG_CLASS_FROM_LETTER(C) \
-((C) == 'c' ? CARRY_REG \
- : (C) == 'a' ? ACCUM_REGS \
- : NO_REGS)
-
/* These assume that REGNO is a hard or pseudo reg number.
They give nonzero only if REGNO is a hard reg of the suitable class
or a pseudo reg currently allocated to a suitable hard reg.
Since they use reg_renumber, they are safe only once reg_renumber
has been allocated, which happens in local-alloc.c. */
#define REGNO_OK_FOR_BASE_P(REGNO) \
-((REGNO) < FIRST_PSEUDO_REGISTER \
- ? GPR_P (REGNO) || (REGNO) == ARG_POINTER_REGNUM \
- : GPR_P (reg_renumber[REGNO]))
-#define REGNO_OK_FOR_INDEX_P(REGNO) REGNO_OK_FOR_BASE_P(REGNO)
+ ((REGNO) < FIRST_PSEUDO_REGISTER \
+ ? GPR_P (REGNO) || (REGNO) == ARG_POINTER_REGNUM \
+ : GPR_P (reg_renumber[REGNO]))
-/* Given an rtx X being reloaded into a reg required to be
- in class CLASS, return the class of reg to actually use.
- In general this is just CLASS; but on some machines
- in some cases it is preferable to use a more restrictive class. */
-#define PREFERRED_RELOAD_CLASS(X,CLASS) \
-(CLASS)
+#define REGNO_OK_FOR_INDEX_P(REGNO) REGNO_OK_FOR_BASE_P(REGNO)
/* Return the maximum number of consecutive registers
needed to represent mode MODE in a register of class CLASS. */
#define CLASS_MAX_NREGS(CLASS, MODE) \
-((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
-
-/* The letters I, J, K, L, M, N, O, P in a register constraint string
- can be used to stand for particular ranges of immediate operands.
- This macro defines what the ranges are.
- C is the letter, and VALUE is a constant value.
- Return 1 if VALUE is in the range specified by C. */
-/* 'I' is used for 8 bit signed immediates.
- 'J' is used for 16 bit signed immediates.
- 'K' is used for 16 bit unsigned immediates.
- 'L' is used for 16 bit immediates left shifted by 16 (sign ???).
- 'M' is used for 24 bit unsigned immediates.
- 'N' is used for any 32 bit non-symbolic value.
- 'O' is used for 5 bit unsigned immediates (shift count).
- 'P' is used for 16 bit signed immediates for compares
- (values in the range -32767 to +32768). */
+ ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
/* Return true if a value is inside a range. */
-#define IN_RANGE_P(VALUE, LOW, HIGH) \
- (((unsigned HOST_WIDE_INT)((VALUE) - (LOW))) \
+#define IN_RANGE_P(VALUE, LOW, HIGH) \
+ (((unsigned HOST_WIDE_INT)((VALUE) - (LOW))) \
<= ((unsigned HOST_WIDE_INT)((HIGH) - (LOW))))
-/* Local to this file. */
-#define INT8_P(X) ((X) >= -0x80 && (X) <= 0x7f)
-#define INT16_P(X) ((X) >= -0x8000 && (X) <= 0x7fff)
-#define CMP_INT16_P(X) ((X) >= -0x7fff && (X) <= 0x8000)
-#define UPPER16_P(X) (((X) & 0xffff) == 0 \
- && ((X) >> 16) >= -0x8000 \
- && ((X) >> 16) <= 0x7fff)
-#define UINT16_P(X) (((unsigned HOST_WIDE_INT) (X)) <= 0x0000ffff)
-#define UINT24_P(X) (((unsigned HOST_WIDE_INT) (X)) <= 0x00ffffff)
-#define UINT32_P(X) (((unsigned HOST_WIDE_INT) (X)) <= 0xffffffff)
-#define UINT5_P(X) ((X) >= 0 && (X) < 32)
-#define INVERTED_SIGNED_8BIT(VAL) ((VAL) >= -127 && (VAL) <= 128)
-
-#define CONST_OK_FOR_LETTER_P(VALUE, C) \
-((C) == 'I' ? INT8_P (VALUE) \
- : (C) == 'J' ? INT16_P (VALUE) \
- : (C) == 'K' ? UINT16_P (VALUE) \
- : (C) == 'L' ? UPPER16_P (VALUE) \
- : (C) == 'M' ? UINT24_P (VALUE) \
- : (C) == 'N' ? INVERTED_SIGNED_8BIT (VALUE) \
- : (C) == 'O' ? UINT5_P (VALUE) \
- : (C) == 'P' ? CMP_INT16_P (VALUE) \
- : 0)
-
-/* Similar, but for floating constants, and defining letters G and H.
- Here VALUE is the CONST_DOUBLE rtx itself.
- For the m32r, handle a few constants inline.
- ??? We needn't treat DI and DF modes differently, but for now we do. */
-#define CONST_DOUBLE_OK_FOR_LETTER_P(VALUE, C) \
-((C) == 'G' ? easy_di_const (VALUE) \
- : (C) == 'H' ? easy_df_const (VALUE) \
- : 0)
-
-/* A C expression that defines the optional machine-dependent constraint
- letters that can be used to segregate specific types of operands,
- usually memory references, for the target machine. It should return 1 if
- VALUE corresponds to the operand type represented by the constraint letter
- C. If C is not defined as an extra constraint, the value returned should
- be 0 regardless of VALUE. */
-/* Q is for symbolic addresses loadable with ld24.
- R is for symbolic addresses when ld24 can't be used.
- S is for stores with pre {inc,dec}rement
- T is for indirect of a pointer.
- U is for loads with post increment. */
-
-#define EXTRA_CONSTRAINT(VALUE, C) \
-( (C) == 'Q' ? ((TARGET_ADDR24 && GET_CODE (VALUE) == LABEL_REF) \
- || addr24_operand (VALUE, VOIDmode)) \
- : (C) == 'R' ? ((TARGET_ADDR32 && GET_CODE (VALUE) == LABEL_REF) \
- || addr32_operand (VALUE, VOIDmode)) \
- : (C) == 'S' ? (GET_CODE (VALUE) == MEM \
- && STORE_PREINC_PREDEC_P (GET_MODE (VALUE), \
- XEXP (VALUE, 0))) \
- : (C) == 'T' ? (GET_CODE (VALUE) == MEM \
- && memreg_operand (VALUE, GET_MODE (VALUE))) \
- : (C) == 'U' ? (GET_CODE (VALUE) == MEM \
- && LOAD_POSTINC_P (GET_MODE (VALUE), \
- XEXP (VALUE, 0))) \
- : 0)
+/* Some range macros. */
+#define INT16_P(X) ((X) >= - 0x8000 && (X) <= 0x7fff)
+#define CMP_INT16_P(X) ((X) >= - 0x7fff && (X) <= 0x8000)
+#define UINT16_P(X) (((unsigned HOST_WIDE_INT) (X)) <= 0x0000ffff)
+#define UINT24_P(X) (((unsigned HOST_WIDE_INT) (X)) <= 0x00ffffff)
\f
/* Stack layout and stack pointer usage. */
pointer to a smaller address. */
#define STACK_GROWS_DOWNWARD
-/* Define this 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 from the frame pointer. */
-/*#define FRAME_GROWS_DOWNWARD*/
-
/* Offset from frame pointer to start allocating local variables at.
If FRAME_GROWS_DOWNWARD, this is the offset to the END of the
first local allocated. Otherwise, it is the offset to the BEGINNING
/* The frame pointer points at the same place as the stack pointer, except if
alloca has been called. */
#define STARTING_FRAME_OFFSET \
-M32R_STACK_ALIGN (current_function_outgoing_args_size)
+ M32R_STACK_ALIGN (crtl->outgoing_args_size)
/* Offset from the stack pointer register to the first location at which
outgoing arguments are placed. */
/* Offset of first parameter from the argument pointer register value. */
#define FIRST_PARM_OFFSET(FNDECL) 0
-/* A C expression whose value is RTL representing the address in a
- stack frame where the pointer to the caller's frame is stored.
- Assume that FRAMEADDR is an RTL expression for the address of the
- stack frame itself.
-
- If you don't define this macro, the default is to return the value
- of FRAMEADDR--that is, the stack frame address is also the address
- of the stack word that points to the previous frame. */
-/*define DYNAMIC_CHAIN_ADDRESS (FRAMEADDR)*/
-
-/* A C expression whose value is RTL representing the value of the
- return address for the frame COUNT steps up from the current frame.
- FRAMEADDR is the frame pointer of the COUNT frame, or the frame
- pointer of the COUNT - 1 frame if `RETURN_ADDR_IN_PREVIOUS_FRAME'
- is defined. */
-/* The current return address is in r14. */
-#if 0 /* The default value should work. */
-#define RETURN_ADDR_RTX(COUNT, FRAME) \
-(((COUNT) == -1) \
- ? gen_rtx_REG (Pmode, 14) \
- : copy_to_reg (gen_rtx_MEM (Pmode, \
- memory_address (Pmode, \
- plus_constant ((FRAME), \
- UNITS_PER_WORD)))))
-#endif
-
/* Register to use for pushing function arguments. */
#define STACK_POINTER_REGNUM 15
/* Base register for access to arguments of the function. */
#define ARG_POINTER_REGNUM 16
-/* The register number of the return address pointer register, which
- is used to access the current function's return address from the
- stack. On some machines, the return address is not at a fixed
- offset from the frame pointer or stack pointer or argument
- pointer. This register can be defined to point to the return
- address on the stack, and then be converted by `ELIMINABLE_REGS'
- into either the frame pointer or stack pointer.
-
- Do not define this macro unless there is no other way to get the
- return address from the stack. */
-/* ??? revisit */
-/* #define RETURN_ADDRESS_POINTER_REGNUM */
-
-/* Register in which static-chain is passed to a function. This must
- not be a register used by the prologue. */
-#define STATIC_CHAIN_REGNUM 7
+/* Register in which static-chain is passed to a function.
+ This must not be a register used by the prologue. */
+#define STATIC_CHAIN_REGNUM 7
/* These aren't official macros. */
-#define PROLOGUE_TMP_REGNUM 4
-#define RETURN_ADDR_REGNUM 14
-/* #define GP_REGNUM 12 */
-#define CARRY_REGNUM 17
-#define ACCUM_REGNUM 18
-#define M32R_MAX_INT_REGS 16
+#define PROLOGUE_TMP_REGNUM 4
+#define RETURN_ADDR_REGNUM 14
+/* #define GP_REGNUM 12 */
+#define CARRY_REGNUM 17
+#define ACCUM_REGNUM 18
+#define M32R_MAX_INT_REGS 16
#ifndef SUBTARGET_GPR_P
#define SUBTARGET_GPR_P(REGNO) 0
\f
/* Eliminating the frame and arg pointers. */
-/* A C expression which is nonzero if a function must have and use a
- frame pointer. This expression is evaluated in the reload pass.
- If its value is nonzero the function will have a frame pointer. */
-#define FRAME_POINTER_REQUIRED current_function_calls_alloca
-
#if 0
/* C statement to store the difference between the frame pointer
and the stack pointer values immediately after the function prologue.
{ ARG_POINTER_REGNUM, STACK_POINTER_REGNUM }, \
{ ARG_POINTER_REGNUM, 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) \
- ((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) \
-{ \
- int size = m32r_compute_frame_size (get_frame_size ()); \
- \
- if ((FROM) == FRAME_POINTER_REGNUM && (TO) == STACK_POINTER_REGNUM) \
- (OFFSET) = 0; \
- else if ((FROM) == ARG_POINTER_REGNUM && (TO) == FRAME_POINTER_REGNUM) \
- (OFFSET) = size - current_function_pretend_args_size; \
- else if ((FROM) == ARG_POINTER_REGNUM && (TO) == STACK_POINTER_REGNUM) \
- (OFFSET) = size - current_function_pretend_args_size; \
- else \
- abort (); \
-}
+#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
+ do \
+ { \
+ int size = m32r_compute_frame_size (get_frame_size ()); \
+ \
+ if ((FROM) == FRAME_POINTER_REGNUM && (TO) == STACK_POINTER_REGNUM) \
+ (OFFSET) = 0; \
+ else if ((FROM) == ARG_POINTER_REGNUM && (TO) == FRAME_POINTER_REGNUM) \
+ (OFFSET) = size - crtl->args.pretend_args_size; \
+ else if ((FROM) == ARG_POINTER_REGNUM && (TO) == STACK_POINTER_REGNUM) \
+ (OFFSET) = size - crtl->args.pretend_args_size; \
+ else \
+ gcc_unreachable (); \
+ } \
+ while (0)
\f
/* Function argument passing. */
-/* When a prototype says `char' or `short', really pass an `int'. */
-#define PROMOTE_PROTOTYPES 1
-
/* 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 this macro if functions should assume that stack space has
- been allocated for arguments even when their values are passed in
- registers.
-
- The value of this macro is the size, in bytes, of the area
- reserved for arguments passed in registers for the function
- represented by FNDECL.
-
- This space can be allocated by the caller, or be a part of the
- machine-dependent stack frame: `OUTGOING_REG_PARM_STACK_SPACE' says
- which. */
-#if 0
-#define REG_PARM_STACK_SPACE(FNDECL) \
- (M32R_MAX_PARM_REGS * UNITS_PER_WORD)
-#endif
-
-/* 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(DECL, FUNTYPE, SIZE) 0
-
-/* Nonzero if we do not know how to pass TYPE solely in registers. */
-#define MUST_PASS_IN_STACK(MODE, TYPE) \
- ((TYPE) != 0 \
- && (TREE_CODE (TYPE_SIZE (TYPE)) != INTEGER_CST \
- || TREE_ADDRESSABLE (TYPE)))
-
/* Define a data type for recording info about an argument list
during the scan of that argument list. This data type should
hold all necessary information about the function itself
/* Initialize a variable CUM of type CUMULATIVE_ARGS
for a call to a function whose data type is FNTYPE.
For a library call, FNTYPE is 0. */
-#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT) \
+#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT, N_NAMED_ARGS) \
((CUM) = 0)
/* The number of registers used for parameter passing. Local to this file. */
#define FUNCTION_ARG_REGNO_P(N) \
((unsigned) (N) < M32R_MAX_PARM_REGS)
-/* The ROUND_ADVANCE* macros are local to this file. */
-/* Round SIZE up to a word boundary. */
-#define ROUND_ADVANCE(SIZE) \
- (((SIZE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
-
-/* Round arg MODE/TYPE up to the next word boundary. */
-#define ROUND_ADVANCE_ARG(MODE, TYPE) \
- ((MODE) == BLKmode \
- ? ROUND_ADVANCE ((unsigned int) int_size_in_bytes (TYPE)) \
- : ROUND_ADVANCE ((unsigned int) GET_MODE_SIZE (MODE)))
-
-/* Round CUM up to the necessary point for argument MODE/TYPE. */
-#define ROUND_ADVANCE_CUM(CUM, MODE, TYPE) (CUM)
-
-/* Return boolean indicating arg of type TYPE and mode MODE will be passed in
- a reg. This includes arguments that have to be passed by reference as the
- pointer to them is passed in a reg if one is available (and that is what
- we're given).
- This macro is only used in this file. */
-#define PASS_IN_REG_P(CUM, MODE, TYPE) \
- (ROUND_ADVANCE_CUM ((CUM), (MODE), (TYPE)) < M32R_MAX_PARM_REGS)
-
-/* Determine where to put an argument to a function.
- Value is zero to push the argument on the stack,
- or a hard register in which to store the argument.
-
- MODE is the argument's machine mode.
- TYPE is the data type of the argument (as a tree).
- This is null for libcalls where that information may
- not be available.
- CUM is a variable of type CUMULATIVE_ARGS which gives info about
- the preceding args and about the function being called.
- NAMED is nonzero if this argument is a named parameter
- (otherwise it is an extra parameter matching an ellipsis). */
-/* On the M32R the first M32R_MAX_PARM_REGS args are normally in registers
- and the rest are pushed. */
-#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
- (PASS_IN_REG_P ((CUM), (MODE), (TYPE)) \
- ? gen_rtx_REG ((MODE), ROUND_ADVANCE_CUM ((CUM), (MODE), (TYPE))) \
- : 0)
-
-/* A C expression for the number of words, at the beginning of an
- argument, must be put in registers. The value must be zero for
- arguments that are passed entirely in registers or that are entirely
- pushed on the stack.
-
- On some machines, certain arguments must be passed partially in
- registers and partially in memory. On these machines, typically the
- first @var{n} words of arguments are passed in registers, and the rest
- on the stack. If a multi-word argument (a @code{double} or a
- structure) crosses that boundary, its first few words must be passed
- in registers and the rest must be pushed. This macro tells the
- compiler when this occurs, and how many of the words should go in
- registers. */
-#define FUNCTION_ARG_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) \
- function_arg_partial_nregs (&CUM, (int)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. */
-/* All arguments greater than 8 bytes are passed this way. */
-#define FUNCTION_ARG_PASS_BY_REFERENCE(CUM, MODE, TYPE, NAMED) \
- ((TYPE) && int_size_in_bytes (TYPE) > 8)
-
-/* Update the data in CUM to advance over an argument
- of mode MODE and data type TYPE.
- (TYPE is null for libcalls where that information may not be available.) */
-#define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \
- ((CUM) = (ROUND_ADVANCE_CUM ((CUM), (MODE), (TYPE)) \
- + ROUND_ADVANCE_ARG ((MODE), (TYPE))))
-
/* If defined, a C expression that gives the alignment boundary, in bits,
of an argument with the specified mode and type. If it is not defined,
PARM_BOUNDARY is used for all arguments. */
#if 0
/* We assume PARM_BOUNDARY == UNITS_PER_WORD here. */
#define FUNCTION_ARG_BOUNDARY(MODE, TYPE) \
-(((TYPE) ? TYPE_ALIGN (TYPE) : GET_MODE_BITSIZE (MODE)) <= PARM_BOUNDARY \
- ? PARM_BOUNDARY \
- : 2 * PARM_BOUNDARY)
+ (((TYPE) ? TYPE_ALIGN (TYPE) : GET_MODE_BITSIZE (MODE)) <= PARM_BOUNDARY \
+ ? PARM_BOUNDARY : 2 * PARM_BOUNDARY)
#endif
-
-/* This macro offers an alternative
- to using `__builtin_saveregs' and defining the macro
- `EXPAND_BUILTIN_SAVEREGS'. Use it to store the anonymous register
- arguments into the stack so that all the arguments appear to have
- been passed consecutively on the stack. Once this is done, you
- can use the standard implementation of varargs that works for
- machines that pass all their arguments on the stack.
-
- The argument ARGS_SO_FAR is the `CUMULATIVE_ARGS' data structure,
- containing the values that obtain after processing of the named
- arguments. The arguments MODE and TYPE describe the last named
- argument--its machine mode and its data type as a tree node.
-
- The macro implementation should do two things: first, push onto the
- stack all the argument registers *not* used for the named
- arguments, and second, store the size of the data thus pushed into
- the `int'-valued variable whose name is supplied as the argument
- PRETEND_SIZE. The value that you store here will serve as
- additional offset for setting up the stack frame.
-
- If the argument NO_RTL is nonzero, it means that the
- arguments of the function are being analyzed for the second time.
- This happens for an inline function, which is not actually
- compiled until the end of the source file. The macro
- `SETUP_INCOMING_VARARGS' should not generate any instructions in
- this case. */
-
-#define SETUP_INCOMING_VARARGS(ARGS_SO_FAR, MODE, TYPE, PRETEND_SIZE, NO_RTL) \
- m32r_setup_incoming_varargs (&ARGS_SO_FAR, MODE, TYPE, &PRETEND_SIZE, NO_RTL)
-
-/* Implement `va_arg'. */
-#define EXPAND_BUILTIN_VA_ARG(valist, type) \
- m32r_va_arg (valist, type)
\f
/* Function results. */
-/* 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), 0)
-
-/* 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, 0)
-
-/* 1 if N is a possible register number for a function value
- as seen by the caller. */
-/* ??? What about r1 in DI/DF values. */
-#define FUNCTION_VALUE_REGNO_P(N) ((N) == 0)
-
-/* A C expression which can inhibit the returning of certain function
- values in registers, based on the type of value. A nonzero value says
- to return the function value in memory, just as large structures are
- always returned. Here TYPE will be a C expression of type `tree',
- representing the data type of the value. */
-#define RETURN_IN_MEMORY(TYPE) \
-(int_size_in_bytes (TYPE) > 8)
-
-/* Tell GCC to use RETURN_IN_MEMORY. */
+/* Tell GCC to use TARGET_RETURN_IN_MEMORY. */
#define DEFAULT_PCC_STRUCT_RETURN 0
-
-/* Register in which address to store a structure value
- is passed to a function, or 0 to use `invisible' first argument. */
-#define STRUCT_VALUE 0
\f
/* Function entry and exit. */
/* Output assembler code to FILE to increment profiler label # LABELNO
for profiling a function entry. */
-#define FUNCTION_PROFILER(FILE, LABELNO) abort ()
+#undef FUNCTION_PROFILER
+#define FUNCTION_PROFILER(FILE, LABELNO) \
+ do \
+ { \
+ if (flag_pic) \
+ { \
+ fprintf (FILE, "\tld24 r14,#mcount\n"); \
+ fprintf (FILE, "\tadd r14,r12\n"); \
+ fprintf (FILE, "\tld r14,@r14\n"); \
+ fprintf (FILE, "\tjl r14\n"); \
+ } \
+ else \
+ { \
+ if (TARGET_ADDR24) \
+ fprintf (FILE, "\tbl mcount\n"); \
+ else \
+ { \
+ fprintf (FILE, "\tseth r14,#high(mcount)\n"); \
+ fprintf (FILE, "\tor3 r14,r14,#low(mcount)\n"); \
+ fprintf (FILE, "\tjl r14\n"); \
+ } \
+ } \
+ fprintf (FILE, "\taddi sp,#4\n"); \
+ } \
+ while (0)
\f
/* Trampolines. */
-/* On the M32R, the trampoline is
+/* On the M32R, the trampoline is:
- ld24 r7,STATIC
- ld24 r6,FUNCTION
- jmp r6
- nop
+ mv r7, lr -> bl L1 ; 178e 7e01
+L1: add3 r6, lr, #L2-L1 ; 86ae 000c (L2 - L1 = 12)
+ mv lr, r7 -> ld r7,@r6+ ; 1e87 27e6
+ ld r6, @r6 -> jmp r6 ; 26c6 1fc6
+L2: .word STATIC
+ .word FUNCTION */
- ??? Need addr32 support.
-*/
+#ifndef CACHE_FLUSH_FUNC
+#define CACHE_FLUSH_FUNC "_flush_cache"
+#endif
+#ifndef CACHE_FLUSH_TRAP
+#define CACHE_FLUSH_TRAP 12
+#endif
/* Length in bytes of the trampoline for entering a nested function. */
-#define TRAMPOLINE_SIZE 12
-
-/* 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) \
-do { \
- emit_move_insn (gen_rtx_MEM (SImode, plus_constant (TRAMP, 0)), \
- plus_constant ((CXT), 0xe7000000)); \
- emit_move_insn (gen_rtx_MEM (SImode, plus_constant (TRAMP, 4)), \
- plus_constant ((FNADDR), 0xe6000000)); \
- emit_move_insn (gen_rtx_MEM (SImode, plus_constant (TRAMP, 8)), \
- GEN_INT (0x1fc67000)); \
- emit_insn (gen_flush_icache (validize_mem (gen_rtx_MEM (SImode, TRAMP)))); \
-} while (0)
-\f
-/* Library calls. */
+#define TRAMPOLINE_SIZE 24
-/* Generate calls to memcpy, memcmp and memset. */
-#define TARGET_MEM_FUNCTIONS
\f
+#define RETURN_ADDR_RTX(COUNT, FRAME) m32r_return_addr (COUNT)
+
+#define INCOMING_RETURN_ADDR_RTX gen_rtx_REG (Pmode, RETURN_ADDR_REGNUM)
+
/* Addressing modes, and classification of registers for them. */
/* Maximum number of registers that can appear in a valid memory address. */
/* We have post-inc load and pre-dec,pre-inc store,
but only for 4 byte vals. */
-#define HAVE_PRE_DECREMENT 1
-#define HAVE_PRE_INCREMENT 1
+#define HAVE_PRE_DECREMENT 1
+#define HAVE_PRE_INCREMENT 1
#define HAVE_POST_INCREMENT 1
/* Recognize any constant value that is a valid address. */
-#define CONSTANT_ADDRESS_P(X) \
-(GET_CODE (X) == LABEL_REF || GET_CODE (X) == SYMBOL_REF \
- || GET_CODE (X) == CONST_INT || GET_CODE (X) == CONST)
+#define CONSTANT_ADDRESS_P(X) \
+ ( GET_CODE (X) == LABEL_REF \
+ || GET_CODE (X) == SYMBOL_REF \
+ || CONST_INT_P (X) \
+ || (GET_CODE (X) == CONST \
+ && ! (flag_pic && ! m32r_legitimate_pic_operand_p (X))))
/* Nonzero if the constant value X is a legitimate general operand.
We don't allow (plus symbol large-constant) as the relocations can't
- describe it. INTVAL > 32767 handles both 16 bit and 24 bit relocations.
+ describe it. INTVAL > 32767 handles both 16-bit and 24-bit relocations.
We allow all CONST_DOUBLE's as the md file patterns will force the
constant to memory if they can't handle them. */
#define LEGITIMATE_CONSTANT_P(X) \
-(! (GET_CODE (X) == CONST \
- && GET_CODE (XEXP (X, 0)) == PLUS \
- && GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF \
- && GET_CODE (XEXP (XEXP (X, 0), 1)) == CONST_INT \
- && (unsigned HOST_WIDE_INT) INTVAL (XEXP (XEXP (X, 0), 1)) > 32767))
+ (! (GET_CODE (X) == CONST \
+ && GET_CODE (XEXP (X, 0)) == PLUS \
+ && (GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF || GET_CODE (XEXP (XEXP (X, 0), 0)) == LABEL_REF) \
+ && CONST_INT_P (XEXP (XEXP (X, 0), 1)) \
+ && (unsigned HOST_WIDE_INT) INTVAL (XEXP (XEXP (X, 0), 1)) > 32767))
/* The macros REG_OK_FOR..._P assume that the arg is a REG rtx
and check its validity for a certain class.
/* Nonzero if X is a hard reg that can be used as a base reg
or if it is a pseudo reg. */
#define REG_OK_FOR_BASE_P(X) \
-(GPR_P (REGNO (X)) \
- || (REGNO (X)) == ARG_POINTER_REGNUM \
- || REGNO (X) >= FIRST_PSEUDO_REGISTER)
+ (GPR_P (REGNO (X)) \
+ || (REGNO (X)) == ARG_POINTER_REGNUM \
+ || REGNO (X) >= FIRST_PSEUDO_REGISTER)
/* Nonzero if X is a hard reg that can be used as an index
or if it is a pseudo reg. */
#define REG_OK_FOR_INDEX_P(X) REG_OK_FOR_BASE_P (X)
/* Local to this file. */
#define RTX_OK_FOR_OFFSET_P(X) \
-(GET_CODE (X) == CONST_INT && INT16_P (INTVAL (X)))
+ (CONST_INT_P (X) && INT16_P (INTVAL (X)))
/* Local to this file. */
-#define LEGITIMATE_OFFSET_ADDRESS_P(MODE, X) \
-(GET_CODE (X) == PLUS \
- && RTX_OK_FOR_BASE_P (XEXP (X, 0)) \
- && RTX_OK_FOR_OFFSET_P (XEXP (X, 1)))
+#define LEGITIMATE_OFFSET_ADDRESS_P(MODE, X) \
+ (GET_CODE (X) == PLUS \
+ && RTX_OK_FOR_BASE_P (XEXP (X, 0)) \
+ && RTX_OK_FOR_OFFSET_P (XEXP (X, 1)))
/* Local to this file. */
/* For LO_SUM addresses, do not allow them if the MODE is > 1 word,
since more than one instruction will be required. */
-#define LEGITIMATE_LO_SUM_ADDRESS_P(MODE, X) \
-(GET_CODE (X) == LO_SUM \
- && (MODE != BLKmode && GET_MODE_SIZE (MODE) <= UNITS_PER_WORD) \
- && RTX_OK_FOR_BASE_P (XEXP (X, 0)) \
- && CONSTANT_P (XEXP (X, 1)))
+#define LEGITIMATE_LO_SUM_ADDRESS_P(MODE, X) \
+ (GET_CODE (X) == LO_SUM \
+ && (MODE != BLKmode && GET_MODE_SIZE (MODE) <= UNITS_PER_WORD)\
+ && RTX_OK_FOR_BASE_P (XEXP (X, 0)) \
+ && CONSTANT_P (XEXP (X, 1)))
/* Local to this file. */
/* Is this a load and increment operation. */
-#define LOAD_POSTINC_P(MODE, X) \
-(((MODE) == SImode || (MODE) == SFmode) \
- && GET_CODE (X) == POST_INC \
- && GET_CODE (XEXP (X, 0)) == REG \
- && RTX_OK_FOR_BASE_P (XEXP (X, 0)))
+#define LOAD_POSTINC_P(MODE, X) \
+ (((MODE) == SImode || (MODE) == SFmode) \
+ && GET_CODE (X) == POST_INC \
+ && REG_P (XEXP (X, 0)) \
+ && RTX_OK_FOR_BASE_P (XEXP (X, 0)))
/* Local to this file. */
/* Is this an increment/decrement and store operation. */
-#define STORE_PREINC_PREDEC_P(MODE, X) \
-(((MODE) == SImode || (MODE) == SFmode) \
- && (GET_CODE (X) == PRE_INC || GET_CODE (X) == PRE_DEC) \
- && GET_CODE (XEXP (X, 0)) == REG \
- && RTX_OK_FOR_BASE_P (XEXP (X, 0)))
-
-#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, ADDR) \
-{ if (RTX_OK_FOR_BASE_P (X)) \
- goto ADDR; \
- if (LEGITIMATE_OFFSET_ADDRESS_P ((MODE), (X))) \
- goto ADDR; \
- if (LEGITIMATE_LO_SUM_ADDRESS_P ((MODE), (X))) \
- goto ADDR; \
- if (LOAD_POSTINC_P ((MODE), (X))) \
- goto ADDR; \
- if (STORE_PREINC_PREDEC_P ((MODE), (X))) \
- goto ADDR; \
-}
-
-/* Try machine-dependent ways of modifying an illegitimate address
- to be legitimate. If we find one, return the new, valid address.
- This macro is used in only one place: `memory_address' in explow.c.
-
- OLDX is the address as it was before break_out_memory_refs was called.
- In some cases it is useful to look at this to decide what needs to be done.
-
- MODE and WIN are passed so that this macro can use
- GO_IF_LEGITIMATE_ADDRESS.
-
- It is always safe for this macro to do nothing. It exists to recognize
- opportunities to optimize the output.
+#define STORE_PREINC_PREDEC_P(MODE, X) \
+ (((MODE) == SImode || (MODE) == SFmode) \
+ && (GET_CODE (X) == PRE_INC || GET_CODE (X) == PRE_DEC) \
+ && REG_P (XEXP (X, 0)) \
+ && RTX_OK_FOR_BASE_P (XEXP (X, 0)))
- ??? Is there anything useful we can do here for the M32R? */
-
-#define LEGITIMIZE_ADDRESS(X, OLDX, MODE, WIN)
-
-/* 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) \
-do { \
- if (GET_CODE (ADDR) == PRE_DEC \
- || GET_CODE (ADDR) == PRE_INC \
- || GET_CODE (ADDR) == POST_INC \
- || GET_CODE (ADDR) == LO_SUM) \
- goto LABEL; \
-} while (0)
+#define GO_IF_LEGITIMATE_ADDRESS(MODE, X, ADDR) \
+ do \
+ { \
+ if (RTX_OK_FOR_BASE_P (X)) \
+ goto ADDR; \
+ if (LEGITIMATE_OFFSET_ADDRESS_P ((MODE), (X))) \
+ goto ADDR; \
+ if (LEGITIMATE_LO_SUM_ADDRESS_P ((MODE), (X))) \
+ goto ADDR; \
+ if (LOAD_POSTINC_P ((MODE), (X))) \
+ goto ADDR; \
+ if (STORE_PREINC_PREDEC_P ((MODE), (X))) \
+ goto ADDR; \
+ } \
+ while (0)
\f
/* Condition code usage. */
\f
/* Costs. */
-/* Compute extra cost of moving data between one register class
- and another. */
-#define REGISTER_MOVE_COST(MODE, CLASS1, CLASS2) 2
-
-/* Compute the cost of moving data between registers and memory. */
-/* Memory is 3 times as expensive as registers.
- ??? Is that the right way to look at it? */
-#define MEMORY_MOVE_COST(MODE,CLASS,IN_P) \
-(GET_MODE_SIZE (MODE) <= UNITS_PER_WORD ? 6 : 12)
-
/* The cost of a branch insn. */
/* A value of 2 here causes GCC to avoid using branches in comparisons like
while (a < N && a). Branches aren't that expensive on the M32R so
we define this as 1. Defining it as 2 had a heavy hit in fp-bit.c. */
-#define BRANCH_COST ((TARGET_BRANCH_COST) ? 2 : 1)
+#define BRANCH_COST(speed_p, predictable_p) ((TARGET_BRANCH_COST) ? 2 : 1)
/* Nonzero if access to memory by bytes is slow and undesirable.
For RISC chips, it means that access to memory by bytes is no
/* Define this macro if it is as good or better to call a constant
function address than to call an address kept in a register. */
#define NO_FUNCTION_CSE
-
-/* Define this macro if it is as good or better for a function to call
- itself with an explicit address than to call an address kept in a
- register. */
-#define NO_RECURSIVE_FUNCTION_CSE
-
-/* When the `length' insn attribute is used, this macro specifies the
- value to be assigned to the address of the first insn in a
- function. If not specified, 0 is used. */
-#define FIRST_INSN_ADDRESS m32r_first_insn_address ()
-
\f
/* Section selection. */
output in the text section, along with the assembler instructions.
Otherwise, the readonly data section is used.
This macro is irrelevant if there is no separate readonly data section. */
-/*#define JUMP_TABLES_IN_TEXT_SECTION*/
+#define JUMP_TABLES_IN_TEXT_SECTION (flag_pic)
\f
-/* PIC */
+/* Position Independent Code. */
/* The register number of the register used to address a table of static
data addresses in memory. In some cases this register is defined by a
pointer and frame pointer registers. If this macro is not defined, it
is up to the machine-dependent files to allocate such a register (if
necessary). */
-/*#define PIC_OFFSET_TABLE_REGNUM 12*/
+#define PIC_OFFSET_TABLE_REGNUM 12
/* Define this macro if the register defined by PIC_OFFSET_TABLE_REGNUM is
clobbered by calls. Do not define this macro if PIC_OFFSET_TABLE_REGNUM
/* This register is call-saved on the M32R. */
/*#define PIC_OFFSET_TABLE_REG_CALL_CLOBBERED*/
-/* By generating position-independent code, when two different programs (A
- and B) share a common library (libC.a), the text of the library can be
- shared whether or not the library is linked at the same address for both
- programs. In some of these environments, position-independent code
- requires not only the use of different addressing modes, but also
- special code to enable the use of these addressing modes.
-
- The FINALIZE_PIC macro serves as a hook to emit these special
- codes once the function is being compiled into assembly code, but not
- before. (It is not done before, because in the case of compiling an
- inline function, it would lead to multiple PIC prologues being
- included in functions which used inline functions and were compiled to
- assembly language.) */
-
-/*#define FINALIZE_PIC m32r_finalize_pic ()*/
-
/* A C expression that is nonzero if X is a legitimate immediate
operand on the target machine when generating position independent code.
You can assume that X satisfies CONSTANT_P, so you need not
check it either. You need not define this macro if all constants
(including SYMBOL_REF) can be immediate operands when generating
position independent code. */
-/*#define LEGITIMATE_PIC_OPERAND_P(X)*/
+#define LEGITIMATE_PIC_OPERAND_P(X) m32r_legitimate_pic_operand_p (X)
\f
/* Control the assembler format that we output. */
-/* Output at beginning of assembler file. */
-#define ASM_FILE_START(FILE) m32r_asm_file_start (FILE)
-
/* A C string constant describing how to begin a comment in the target
assembler language. The compiler assumes that the comment will
end at the end of the line. */
/* Globalizing directive for a label. */
#define GLOBAL_ASM_OP "\t.global\t"
-/* If -Os, don't force line number labels to begin at the beginning of
- the word; we still want the assembler to try to put things in parallel,
- should that be possible.
- For m32r/d, instructions are never in parallel (other than with a nop)
- and the simulator and stub both handle a breakpoint in the middle of
- a word so don't ever force line number labels to begin at the beginning
- of a word. */
+/* We do not use DBX_LINES_FUNCTION_RELATIVE or
+ dbxout_stab_value_internal_label_diff here because
+ we need to use .debugsym for the line label. */
-#undef ASM_OUTPUT_SOURCE_LINE
-#define ASM_OUTPUT_SOURCE_LINE(file, line) \
+#define DBX_OUTPUT_SOURCE_LINE(file, line, counter) \
do \
{ \
- static int sym_lineno = 1; \
- fprintf (file, ".stabn 68,0,%d,.LM%d-", \
- line, sym_lineno); \
- assemble_name \
- (file, XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0)); \
- fprintf (file, (optimize_size || TARGET_M32R) \
- ? "\n\t.debugsym .LM%d\n" \
- : "\n.LM%d:\n", \
- sym_lineno); \
- sym_lineno += 1; \
- } \
+ const char * begin_label = \
+ XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0); \
+ char label[64]; \
+ ASM_GENERATE_INTERNAL_LABEL (label, "LM", counter); \
+ \
+ dbxout_begin_stabn_sline (line); \
+ assemble_name (file, label); \
+ putc ('-', file); \
+ assemble_name (file, begin_label); \
+ fputs ("\n\t.debugsym ", file); \
+ assemble_name (file, label); \
+ putc ('\n', file); \
+ counter += 1; \
+ } \
while (0)
/* How to refer to registers in assembler output.
SUBTARGET_ADDITIONAL_REGISTER_NAMES \
}
-/* A C expression which evaluates to true if CODE is a valid
- punctuation character for use in the `PRINT_OPERAND' macro. */
-extern char m32r_punct_chars[256];
-#define PRINT_OPERAND_PUNCT_VALID_P(CHAR) \
- m32r_punct_chars[(unsigned char) (CHAR)]
-
-/* Print operand X (an rtx) in assembler syntax to file FILE.
- CODE is a letter or dot (`z' in `%z0') or 0 if no letter was specified.
- For `%' followed by punctuation, CODE is the punctuation and X is null. */
-#define PRINT_OPERAND(FILE, X, CODE) \
- m32r_print_operand (FILE, X, CODE)
-
-/* A C compound statement to output to stdio stream STREAM the
- assembler syntax for an instruction operand that is a memory
- reference whose address is ADDR. ADDR is an RTL expression. */
-#define PRINT_OPERAND_ADDRESS(FILE, ADDR) \
- m32r_print_operand_address (FILE, ADDR)
-
/* 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. */
-#define REGISTER_PREFIX ""
-#define LOCAL_LABEL_PREFIX ".L"
-#define USER_LABEL_PREFIX ""
-#define IMMEDIATE_PREFIX "#"
+#define REGISTER_PREFIX ""
+#define LOCAL_LABEL_PREFIX ".L"
+#define USER_LABEL_PREFIX ""
+#define IMMEDIATE_PREFIX "#"
/* This is how to output an element of a case-vector that is absolute. */
#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
fprintf (FILE, "-"); \
ASM_GENERATE_INTERNAL_LABEL (label, "L", REL); \
assemble_name (FILE, label); \
- fprintf (FILE, ")\n"); \
+ fprintf (FILE, "\n"); \
} \
while (0)
do \
{ \
if (! TARGET_SDATA_NONE \
- && (SIZE) > 0 && (SIZE) <= g_switch_value) \
+ && (SIZE) > 0 \
+ && (SIZE) <= (unsigned HOST_WIDE_INT) g_switch_value) \
fprintf ((FILE), "%s", SCOMMON_ASM_OP); \
else \
fprintf ((FILE), "%s", COMMON_ASM_OP); \
assemble_name ((FILE), (NAME)); \
- fprintf ((FILE), ",%u,%u\n", (SIZE), (ALIGN) / BITS_PER_UNIT); \
+ fprintf ((FILE), ",%u,%u\n", (int)(SIZE), (ALIGN) / BITS_PER_UNIT);\
} \
while (0)
-/* Like `ASM_OUTPUT_BSS' except takes the required alignment as a
- separate, explicit argument. If you define this macro, it is used in
- place of `ASM_OUTPUT_BSS', and gives you more flexibility in
- handling the required alignment of the variable. The alignment is
- specified as the number of bits.
-
- For the M32R we need sbss support. */
-
-#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
- do \
- { \
- ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \
- } \
+#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
+ do \
+ { \
+ if (! TARGET_SDATA_NONE \
+ && (SIZE) > 0 \
+ && (SIZE) <= (unsigned HOST_WIDE_INT) g_switch_value) \
+ switch_to_section (get_named_section (NULL, ".sbss", 0)); \
+ else \
+ switch_to_section (bss_section); \
+ ASM_OUTPUT_ALIGN (FILE, floor_log2 (ALIGN / BITS_PER_UNIT)); \
+ last_assemble_variable_decl = DECL; \
+ ASM_DECLARE_OBJECT_NAME (FILE, NAME, DECL); \
+ ASM_OUTPUT_SKIP (FILE, SIZE ? SIZE : 1); \
+ } \
while (0)
\f
/* Debugging information. */
/* Generate DBX and DWARF debugging information. */
-#define DBX_DEBUGGING_INFO 1
-#define DWARF_DEBUGGING_INFO 1
+#define DBX_DEBUGGING_INFO 1
#define DWARF2_DEBUGGING_INFO 1
-/* Prefer STABS (for now). */
+/* Use DWARF2 debugging info by default. */
#undef PREFERRED_DEBUGGING_TYPE
-#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
/* Turn off splitting of long stabs. */
#define DBX_CONTIN_LENGTH 0
/* Specify the machine mode that this machine uses
for the index in the tablejump instruction. */
-#define CASE_VECTOR_MODE Pmode
-
-/* Define as C expression which evaluates to nonzero if the tablejump
- instruction expects the table to contain offsets from the address of the
- table.
- Do not define this if the table should contain absolute addresses. */
-/* It's not clear what PIC will look like or whether we want to use -fpic
- for the embedded form currently being talked about. For now require -fpic
- to get pc relative switch tables. */
-/*#define CASE_VECTOR_PC_RELATIVE 1 */
+#define CASE_VECTOR_MODE (flag_pic ? SImode : Pmode)
/* Define if operations between registers always perform the operation
on the full register even if a narrower mode is specified. */
/* 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
-/* Max number of bytes we can move from memory to memory
- in one reasonably fast instruction. */
+/* Max number of bytes we can move from memory
+ to memory in one reasonably fast instruction. */
#define MOVE_MAX 4
/* Define this to be nonzero if shift instructions ignore all but the low-order
is done just by pretending it is already truncated. */
#define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1
-/* We assume that the store-condition-codes instructions store 0 for false
- and some other value for true. This is the value stored for true. */
-#define STORE_FLAG_VALUE 1
-
/* Specify the machine mode that pointers have.
After generation of rtl, the compiler makes no further distinction
between pointers and any other objects of this machine mode. */
-/* ??? The M32R doesn't have full 32 bit pointers, but making this PSImode has
- it's own problems (you have to add extendpsisi2 and truncsipsi2).
+/* ??? The M32R doesn't have full 32-bit pointers, but making this PSImode has
+ its own problems (you have to add extendpsisi2 and truncsipsi2).
Try to avoid it. */
#define Pmode SImode
/* A function address in a call instruction. */
#define FUNCTION_MODE SImode
\f
-/* 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 * m32r_compare_op0;
-extern struct rtx_def * m32r_compare_op1;
-
-/* M32R function types. */
+/* M32R function types. */
enum m32r_function_type
{
M32R_FUNCTION_UNKNOWN, M32R_FUNCTION_NORMAL, M32R_FUNCTION_INTERRUPT
#define M32R_INTERRUPT_P(TYPE) ((TYPE) == M32R_FUNCTION_INTERRUPT)
-/* Define this if you have defined special-purpose predicates in the
- file `MACHINE.c'. This macro is called within an initializer of an
- array of structures. The first field in the structure is the name
- of a predicate and the second field is an array of rtl codes. For
- each predicate, list all rtl codes that can be in expressions
- matched by the predicate. The list should have a trailing comma. */
-
-#define PREDICATE_CODES \
-{ "reg_or_zero_operand", { REG, SUBREG, CONST_INT }}, \
-{ "conditional_move_operand", { REG, SUBREG, CONST_INT }}, \
-{ "carry_compare_operand", { EQ, NE }}, \
-{ "eqne_comparison_operator", { EQ, NE }}, \
-{ "signed_comparison_operator", { EQ, NE, LT, LE, GT, GE }}, \
-{ "move_dest_operand", { REG, SUBREG, MEM }}, \
-{ "move_src_operand", { REG, SUBREG, MEM, CONST_INT, \
- CONST_DOUBLE, LABEL_REF, CONST, \
- SYMBOL_REF }}, \
-{ "move_double_src_operand", { REG, SUBREG, MEM, CONST_INT, \
- CONST_DOUBLE }}, \
-{ "two_insn_const_operand", { CONST_INT }}, \
-{ "symbolic_operand", { SYMBOL_REF, LABEL_REF, CONST }}, \
-{ "seth_add3_operand", { SYMBOL_REF, LABEL_REF, CONST }}, \
-{ "int8_operand", { CONST_INT }}, \
-{ "uint16_operand", { CONST_INT }}, \
-{ "reg_or_int16_operand", { REG, SUBREG, CONST_INT }}, \
-{ "reg_or_uint16_operand", { REG, SUBREG, CONST_INT }}, \
-{ "reg_or_cmp_int16_operand", { REG, SUBREG, CONST_INT }}, \
-{ "reg_or_eq_int16_operand", { REG, SUBREG, CONST_INT }}, \
-{ "cmp_int16_operand", { CONST_INT }}, \
-{ "call_address_operand", { SYMBOL_REF, LABEL_REF, CONST }}, \
-{ "extend_operand", { REG, SUBREG, MEM }}, \
-{ "small_insn_p", { INSN, CALL_INSN, JUMP_INSN }}, \
-{ "m32r_block_immediate_operand",{ CONST_INT }}, \
-{ "large_insn_p", { INSN, CALL_INSN, JUMP_INSN }}, \
-{ "seth_add3_operand", { SYMBOL_REF, LABEL_REF, CONST }},
-
+/* The maximum number of bytes to copy using pairs of load/store instructions.
+ If a block is larger than this then a loop will be generated to copy
+ MAX_MOVE_BYTES chunks at a time. The value of 32 is a semi-arbitrary choice.
+ A customer uses Dhrystome as their benchmark, and Dhrystone has a 31 byte
+ string copy in it. */
+#define MAX_MOVE_BYTES 32
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