@@ -1190,6 +1190,10 @@ h8300-*-elf*)
tmake_file="h8300/t-h8300"
tm_file="h8300/h8300.h dbxelf.h elfos.h newlib-stdint.h h8300/elf.h"
;;
+h8300-*-linux*)
+ tmake_file="${tmake_file} h8300/t-h8300 h8300/t-linux"
+ tm_file="h8300/linux.h dbxelf.h elfos.h linux.h"
+ ;;
hppa*64*-*-linux*)
target_cpu_default="MASK_PA_11|MASK_PA_20"
tm_file="pa/pa64-start.h ${tm_file} dbxelf.h elfos.h gnu-user.h linux.h \
@@ -359,11 +359,13 @@ h8300_option_override (void)
target_flags |= MASK_H8300S_1;
}
+#ifndef __h8300_linux__
if (TARGET_H8300 && TARGET_INT32)
{
error ("-mint32 is not supported for H8300 and H8300L targets");
target_flags ^= MASK_INT32;
}
+#endif
if ((!TARGET_H8300S && TARGET_EXR) && (!TARGET_H8300SX && TARGET_EXR))
{
new file mode 100644
@@ -0,0 +1,784 @@
+/* Definitions of target machine for GNU compiler.
+ Renesas H8/300 (linux variant)
+ Copyright (C) 2015
+ Free Software Foundation, Inc.
+ Contributed by Yoshinori Sato <ysato@users.sourceforge.jp>
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+#ifndef GCC_H8300_H
+#define GCC_H8300_H
+
+#define __h8300_linux__
+
+/* Which CPU to compile for.
+ We use int for CPU_TYPE to avoid lots of casts. */
+#if 0 /* defined in insn-attr.h, here for documentation */
+enum attr_cpu { CPU_H8300, CPU_H8300H };
+#endif
+extern int cpu_type;
+
+/* Various globals defined in h8300.c. */
+
+extern const char *h8_push_op, *h8_pop_op, *h8_mov_op;
+extern const char * const *h8_reg_names;
+
+/* Target CPU builtins. */
+#define TARGET_CPU_CPP_BUILTINS() \
+ do \
+ { \
+ if (TARGET_H8300H) \
+ { \
+ builtin_define ("__H8300H__"); \
+ builtin_assert ("cpu=h8300h"); \
+ builtin_assert ("machine=h8300h"); \
+ if (TARGET_NORMAL_MODE) \
+ { \
+ builtin_define ("__NORMAL_MODE__"); \
+ } \
+ } \
+ else if (TARGET_H8300SX) \
+ { \
+ builtin_define ("__H8300SX__"); \
+ if (TARGET_NORMAL_MODE) \
+ { \
+ builtin_define ("__NORMAL_MODE__"); \
+ } \
+ } \
+ else if (TARGET_H8300S) \
+ { \
+ builtin_define ("__H8300S__"); \
+ builtin_assert ("cpu=h8300s"); \
+ builtin_assert ("machine=h8300s"); \
+ if (TARGET_NORMAL_MODE) \
+ { \
+ builtin_define ("__NORMAL_MODE__"); \
+ } \
+ } \
+ else \
+ { \
+ builtin_define ("__H8300__"); \
+ builtin_assert ("cpu=h8300"); \
+ builtin_assert ("machine=h8300"); \
+ } \
+ GNU_USER_TARGET_OS_CPP_BUILTINS(); \
+ } \
+ while (0)
+
+#undef LINK_SPEC
+#define LINK_SPEC "%{mh:%{mn:-m h8300hn}} %{mh:%{!mn:-m h8300helf_linux}} %{ms:%{mn:-m h8300sn}} %{ms:%{!mn:-m h8300self_linux}}"
+
+#define LIB_SPEC "%{mrelax:-relax} %{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
+
+/* Macros used in the machine description to test the flags. */
+
+/* Select between the H8/300 and H8/300H CPUs. */
+#define TARGET_H8300 (! TARGET_H8300H && ! TARGET_H8300S)
+#define TARGET_H8300S (TARGET_H8300S_1 || TARGET_H8300SX)
+/* Some multiply instructions are not available in all H8SX variants.
+ Use this macro instead of TARGET_H8300SX to indicate this, even
+ though we don't actually generate different code for now. */
+#define TARGET_H8300SXMUL TARGET_H8300SX
+
+#ifdef IN_LIBGCC2
+#undef TARGET_H8300H
+#undef TARGET_H8300S
+#undef TARGET_NORMAL_MODE
+/* If compiling libgcc2, make these compile time constants based on what
+ flags are we actually compiling with. */
+#ifdef __H8300H__
+#define TARGET_H8300H 1
+#else
+#define TARGET_H8300H 0
+#endif
+#ifdef __H8300S__
+#define TARGET_H8300S 1
+#else
+#define TARGET_H8300S 0
+#endif
+#ifdef __NORMAL_MODE__
+#define TARGET_NORMAL_MODE 1
+#else
+#define TARGET_NORMAL_MODE 0
+#endif
+#endif /* !IN_LIBGCC2 */
+
+/* Default target_flags if no switches specified. */
+
+#ifndef TARGET_DEFAULT
+#define TARGET_DEFAULT (MASK_QUICKCALL | MASK_INT32)
+#endif
+
+/* We want dwarf2 info available to gdb. */
+#define DWARF2_DEBUGGING_INFO 1
+
+/* The return address is pushed on the stack. */
+#define INCOMING_RETURN_ADDR_RTX gen_rtx_MEM (Pmode, gen_rtx_REG (Pmode, STACK_POINTER_REGNUM))
+#define INCOMING_FRAME_SP_OFFSET (POINTER_SIZE / 8)
+
+#define DWARF_CIE_DATA_ALIGNMENT 2
+
+/* Define this if addresses of constant functions
+ shouldn't be put through pseudo regs where they can be cse'd.
+ Desirable on machines where ordinary constants are expensive
+ but a CALL with constant address is cheap.
+
+ Calls through a register are cheaper than calls to named
+ functions; however, the register pressure this causes makes
+ CSEing of function addresses generally a lose. */
+#define NO_FUNCTION_CSE
+
+/* Target machine storage layout */
+
+/* Define this if most significant bit is lowest numbered
+ in instructions that operate on numbered bit-fields.
+ This is not true on the H8/300. */
+#define BITS_BIG_ENDIAN 0
+
+/* Define this if most significant byte of a word is the lowest numbered. */
+/* That is true on the H8/300. */
+#define BYTES_BIG_ENDIAN 1
+
+/* Define this if most significant word of a multiword number is lowest
+ numbered. */
+#define WORDS_BIG_ENDIAN 1
+
+#define MAX_BITS_PER_WORD 32
+
+/* Width of a word, in units (bytes). */
+#define UNITS_PER_WORD (TARGET_H8300H || TARGET_H8300S ? 4 : 2)
+#define MIN_UNITS_PER_WORD 2
+
+#define SHORT_TYPE_SIZE 16
+#define INT_TYPE_SIZE (TARGET_INT32 ? 32 : 16)
+#define LONG_TYPE_SIZE 32
+#define LONG_LONG_TYPE_SIZE 64
+#define FLOAT_TYPE_SIZE 32
+#define DOUBLE_TYPE_SIZE 64
+#define LONG_DOUBLE_TYPE_SIZE DOUBLE_TYPE_SIZE
+
+#define MAX_FIXED_MODE_SIZE 32
+
+/* Allocation boundary (in *bits*) for storing arguments in argument list. */
+#define PARM_BOUNDARY (TARGET_H8300H || TARGET_H8300S ? 32 : 16)
+
+/* Allocation boundary (in *bits*) for the code of a function. */
+#define FUNCTION_BOUNDARY 16
+
+/* Alignment of field after `int : 0' in a structure. */
+/* One can argue this should be 32 for -mint32, but since 32-bit ints only
+ need 16-bit alignment, this is left as is so that -mint32 doesn't change
+ structure layouts. */
+#define EMPTY_FIELD_BOUNDARY 16
+
+/* No data type wants to be aligned rounder than this.
+ 32-bit values are aligned as such on the H8/300H and H8S for speed. */
+#define BIGGEST_ALIGNMENT \
+(((TARGET_H8300H || TARGET_H8300S) && ! TARGET_ALIGN_300) ? 32 : 16)
+
+/* The stack goes in 16/32 bit lumps. */
+#define STACK_BOUNDARY (TARGET_H8300 ? 16 : 32)
+
+/* Define this if move instructions will actually fail to work
+ when given unaligned data. */
+/* On the H8/300, longs can be aligned on halfword boundaries, but not
+ byte boundaries. */
+#define STRICT_ALIGNMENT 1
+
+/* Standard register usage. */
+
+/* Number of actual hardware registers.
+ The hardware registers are assigned numbers for the compiler
+ from 0 to just below FIRST_PSEUDO_REGISTER.
+
+ All registers that the compiler knows about must be given numbers,
+ even those that are not normally considered general registers.
+
+ Reg 9 does not correspond to any hardware register, but instead
+ appears in the RTL as an argument pointer prior to reload, and is
+ eliminated during reloading in favor of either the stack or frame
+ pointer. */
+
+#define FIRST_PSEUDO_REGISTER 12
+
+/* 1 for registers that have pervasive standard uses
+ and are not available for the register allocator. */
+
+#define FIXED_REGISTERS \
+/* r0 r1 r2 r3 r4 r5 r6 r7 mac ap rap fp */ \
+ { 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 1, 1 }
+
+/* 1 for registers not available across function calls.
+ These must include the FIXED_REGISTERS and also any
+ registers that can be used without being saved.
+ The latter must include the registers where values are returned
+ and the register where structure-value addresses are passed.
+ Aside from that, you can include as many other registers as you
+ like.
+
+ H8 destroys r0,r1,r2,r3. */
+
+#define CALL_USED_REGISTERS \
+/* r0 r1 r2 r3 r4 r5 r6 r7 mac ap rap fp */ \
+ { 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 1, 1 }
+
+#define REG_ALLOC_ORDER \
+/* r0 r1 r2 r3 r4 r5 r6 r7 mac ap rap fp */ \
+ { 2, 3, 0, 1, 4, 5, 6, 8, 7, 9, 10, 11 }
+
+#define HARD_REGNO_NREGS(REGNO, MODE) \
+ h8300_hard_regno_nregs ((REGNO), (MODE))
+
+#define HARD_REGNO_MODE_OK(REGNO, MODE) \
+ h8300_hard_regno_mode_ok ((REGNO), (MODE))
+
+/* Value is 1 if it is a good idea to tie two pseudo registers
+ when one has mode MODE1 and one has mode MODE2.
+ If HARD_REGNO_MODE_OK could produce different values for MODE1 and MODE2,
+ for any hard reg, then this must be 0 for correct output. */
+#define MODES_TIEABLE_P(MODE1, MODE2) \
+ ((MODE1) == (MODE2) \
+ || (((MODE1) == QImode || (MODE1) == HImode \
+ || ((TARGET_H8300H || TARGET_H8300S) && (MODE1) == SImode)) \
+ && ((MODE2) == QImode || (MODE2) == HImode \
+ || ((TARGET_H8300H || TARGET_H8300S) && (MODE2) == SImode))))
+
+/* A C expression that is nonzero if hard register NEW_REG can be
+ considered for use as a rename register for OLD_REG register */
+
+#define HARD_REGNO_RENAME_OK(OLD_REG, NEW_REG) \
+ h8300_hard_regno_rename_ok (OLD_REG, NEW_REG)
+
+/* Specify the registers used for certain standard purposes.
+ The values of these macros are register numbers. */
+
+/* H8/300 pc is not overloaded on a register. */
+
+/*#define PC_REGNUM 15*/
+
+/* Register to use for pushing function arguments. */
+#define STACK_POINTER_REGNUM SP_REG
+
+/* Base register for access to local variables of the function. */
+#define HARD_FRAME_POINTER_REGNUM HFP_REG
+
+/* Base register for access to local variables of the function. */
+#define FRAME_POINTER_REGNUM FP_REG
+
+/* Base register for access to arguments of the function. */
+#define ARG_POINTER_REGNUM AP_REG
+
+/* Register in which static-chain is passed to a function. */
+#define STATIC_CHAIN_REGNUM SC_REG
+
+/* Fake register that holds the address on the stack of the
+ current function's return address. */
+#define RETURN_ADDRESS_POINTER_REGNUM RAP_REG
+
+/* 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 already the frame pointer of the COUNT frame, assuming
+ a stack layout with the frame pointer as the first saved register. */
+#define RETURN_ADDR_RTX(COUNT, FRAME) h8300_return_addr_rtx ((COUNT), (FRAME))
+
+/* Define the classes of registers for register constraints in the
+ machine description. Also define ranges of constants.
+
+ One of the classes must always be named ALL_REGS and include all hard regs.
+ If there is more than one class, another class must be named NO_REGS
+ and contain no registers.
+
+ The name GENERAL_REGS must be the name of a class (or an alias for
+ another name such as ALL_REGS). This is the class of registers
+ that is allowed by "g" or "r" in a register constraint.
+ Also, registers outside this class are allocated only when
+ instructions express preferences for them.
+
+ The classes must be numbered in nondecreasing order; that is,
+ a larger-numbered class must never be contained completely
+ in a smaller-numbered class.
+
+ For any two classes, it is very desirable that there be another
+ class that represents their union. */
+
+enum reg_class {
+ NO_REGS, COUNTER_REGS, SOURCE_REGS, DESTINATION_REGS,
+ GENERAL_REGS, MAC_REGS, ALL_REGS, LIM_REG_CLASSES
+};
+
+#define N_REG_CLASSES ((int) LIM_REG_CLASSES)
+
+/* Give names of register classes as strings for dump file. */
+
+#define REG_CLASS_NAMES \
+{ "NO_REGS", "COUNTER_REGS", "SOURCE_REGS", "DESTINATION_REGS", \
+ "GENERAL_REGS", "MAC_REGS", "ALL_REGS", "LIM_REGS" }
+
+/* Define which registers fit in which classes.
+ This is an initializer for a vector of HARD_REG_SET
+ of length N_REG_CLASSES. */
+
+#define REG_CLASS_CONTENTS \
+{ {0}, /* No regs */ \
+ {0x010}, /* COUNTER_REGS */ \
+ {0x020}, /* SOURCE_REGS */ \
+ {0x040}, /* DESTINATION_REGS */ \
+ {0xeff}, /* GENERAL_REGS */ \
+ {0x100}, /* MAC_REGS */ \
+ {0xfff}, /* ALL_REGS */ \
+}
+
+/* The same information, inverted:
+ Return the class number of the smallest class containing
+ reg number REGNO. This could be a conditional expression
+ or could index an array. */
+
+#define REGNO_REG_CLASS(REGNO) \
+ ((REGNO) == MAC_REG ? MAC_REGS \
+ : (REGNO) == COUNTER_REG ? COUNTER_REGS \
+ : (REGNO) == SOURCE_REG ? SOURCE_REGS \
+ : (REGNO) == DESTINATION_REG ? DESTINATION_REGS \
+ : GENERAL_REGS)
+
+/* The class value for index registers, and the one for base regs. */
+
+#define INDEX_REG_CLASS (TARGET_H8300SX ? GENERAL_REGS : NO_REGS)
+#define BASE_REG_CLASS GENERAL_REGS
+
+/* Stack layout; function entry, exit and calling. */
+
+/* Define this if pushing a word on the stack
+ makes the stack pointer a smaller address. */
+
+#define STACK_GROWS_DOWNWARD
+
+/* 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 1
+
+/* Offset within stack frame 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
+ of the first local allocated. */
+
+#define STARTING_FRAME_OFFSET 0
+
+/* If we generate an insn to push BYTES bytes,
+ this says how many the stack pointer really advances by.
+
+ On the H8/300, @-sp really pushes a byte if you ask it to - but that's
+ dangerous, so we claim that it always pushes a word, then we catch
+ the mov.b rx,@-sp and turn it into a mov.w rx,@-sp on output.
+
+ On the H8/300H, we simplify TARGET_QUICKCALL by setting this to 4
+ and doing a similar thing. */
+
+#define PUSH_ROUNDING(BYTES) \
+ (((BYTES) + PARM_BOUNDARY / 8 - 1) & -PARM_BOUNDARY / 8)
+
+/* Offset of first parameter from the argument pointer register value. */
+/* Is equal to the size of the saved fp + pc, even if an fp isn't
+ saved since the value is used before we know. */
+
+#define FIRST_PARM_OFFSET(FNDECL) 0
+
+/* Definitions for register eliminations.
+
+ This is an array of structures. Each structure initializes one pair
+ of eliminable registers. The "from" register number is given first,
+ followed by "to". Eliminations of the same "from" register are listed
+ in order of preference.
+
+ We have three registers that can be eliminated on the h8300.
+ First, the frame pointer register can often be eliminated in favor
+ of the stack pointer register. Secondly, the argument pointer
+ register and the return address pointer register are always
+ eliminated; they are replaced with either the stack or frame
+ pointer. */
+
+#define ELIMINABLE_REGS \
+{{ ARG_POINTER_REGNUM, STACK_POINTER_REGNUM}, \
+ { ARG_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}, \
+ { RETURN_ADDRESS_POINTER_REGNUM, STACK_POINTER_REGNUM}, \
+ { RETURN_ADDRESS_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}, \
+ { FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM}, \
+ { FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM}}
+
+/* Define the offset between two registers, one to be eliminated, and the other
+ its replacement, at the start of a routine. */
+
+#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
+ ((OFFSET) = h8300_initial_elimination_offset ((FROM), (TO)))
+
+/* Define this if PCC uses the nonreentrant convention for returning
+ structure and union values. */
+
+/*#define PCC_STATIC_STRUCT_RETURN*/
+
+/* 1 if N is a possible register number for function argument passing.
+ On the H8, no registers are used in this way. */
+
+#define FUNCTION_ARG_REGNO_P(N) (TARGET_QUICKCALL ? N < 3 : 0)
+
+/* When this hook returns true for MODE, the compiler allows
+ registers explicitly used in the rtl to be used as spill registers
+ but prevents the compiler from extending the lifetime of these
+ registers. */
+#define TARGET_SMALL_REGISTER_CLASSES_FOR_MODE_P hook_bool_mode_true
+
+/* 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
+ and about the args processed so far, enough to enable macros
+ such as FUNCTION_ARG to determine where the next arg should go.
+
+ On the H8/300, this is a two item struct, the first is the number
+ of bytes scanned so far and the second is the rtx of the called
+ library function if any. */
+
+#define CUMULATIVE_ARGS struct cum_arg
+struct cum_arg
+{
+ int nbytes;
+ rtx libcall;
+};
+
+/* 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.
+
+ On the H8/300, the offset starts at 0. */
+
+#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT, N_NAMED_ARGS) \
+ ((CUM).nbytes = 0, (CUM).libcall = LIBNAME)
+
+/* Output assembler code to FILE to increment profiler label # LABELNO
+ for profiling a function entry. */
+
+#define FUNCTION_PROFILER(FILE, LABELNO) \
+ fprintf (FILE, "\t%s\t#LP%d,%s\n\tjsr @mcount\n", \
+ h8_mov_op, (LABELNO), h8_reg_names[0]);
+
+/* EXIT_IGNORE_STACK should be nonzero if, when returning from a function,
+ the stack pointer does not matter. The value is tested only in
+ functions that have frame pointers.
+ No definition is equivalent to always zero. */
+
+#define EXIT_IGNORE_STACK 0
+
+/* Length in units of the trampoline for entering a nested function. */
+
+#define TRAMPOLINE_SIZE ((Pmode == HImode) ? 8 : 12)
+
+/* Addressing modes, and classification of registers for them. */
+
+#define HAVE_POST_INCREMENT 1
+#define HAVE_PRE_DECREMENT 1
+#define HAVE_POST_DECREMENT TARGET_H8300SX
+#define HAVE_PRE_INCREMENT TARGET_H8300SX
+
+/* Macros to check register numbers against specific register classes. */
+
+/* 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_INDEX_P(regno) 0
+
+#define REGNO_OK_FOR_BASE_P(regno) \
+ (((regno) < FIRST_PSEUDO_REGISTER && regno != MAC_REG) \
+ || reg_renumber[regno] >= 0)
+
+/* Maximum number of registers that can appear in a valid memory address. */
+
+#define MAX_REGS_PER_ADDRESS 1
+
+/* 1 if X is an rtx for a constant 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 \
+ /* We handle signed and unsigned offsets here. */ \
+ && INTVAL (X) > (TARGET_H8300 ? -0x10000 : -0x1000000) \
+ && INTVAL (X) < (TARGET_H8300 ? 0x10000 : 0x1000000)) \
+ || (GET_CODE (X) == HIGH || GET_CODE (X) == CONST))
+
+/* 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.
+ The usual definition accepts all pseudo regs; the other rejects
+ them unless they have been allocated suitable hard regs.
+ The symbol REG_OK_STRICT causes the latter definition to be used.
+
+ Most source files want to accept pseudo regs in the hope that
+ they will get allocated to the class that the insn wants them to be in.
+ Source files for reload pass need to be strict.
+ After reload, it makes no difference, since pseudo regs have
+ been eliminated by then. */
+
+/* Non-strict versions. */
+#define REG_OK_FOR_INDEX_NONSTRICT_P(X) 0
+/* Don't use REGNO_OK_FOR_BASE_P here because it uses reg_renumber. */
+#define REG_OK_FOR_BASE_NONSTRICT_P(X) \
+ (REGNO (X) >= FIRST_PSEUDO_REGISTER || REGNO (X) != MAC_REG)
+
+/* Strict versions. */
+#define REG_OK_FOR_INDEX_STRICT_P(X) REGNO_OK_FOR_INDEX_P (REGNO (X))
+#define REG_OK_FOR_BASE_STRICT_P(X) REGNO_OK_FOR_BASE_P (REGNO (X))
+
+#ifndef REG_OK_STRICT
+
+#define REG_OK_FOR_INDEX_P(X) REG_OK_FOR_INDEX_NONSTRICT_P (X)
+#define REG_OK_FOR_BASE_P(X) REG_OK_FOR_BASE_NONSTRICT_P (X)
+
+#else
+
+#define REG_OK_FOR_INDEX_P(X) REG_OK_FOR_INDEX_STRICT_P (X)
+#define REG_OK_FOR_BASE_P(X) REG_OK_FOR_BASE_STRICT_P (X)
+
+#endif
+
+
+/* Specify the machine mode that this machine uses
+ for the index in the tablejump instruction. */
+#define CASE_VECTOR_MODE Pmode
+
+#define DEFAULT_SIGNED_CHAR 1
+
+/* Max number of bytes we can move from memory to memory
+ in one reasonably fast instruction. */
+#define MOVE_MAX (TARGET_H8300H || TARGET_H8300S ? 4 : 2)
+#define MAX_MOVE_MAX 4
+
+/* Nonzero if access to memory by bytes is slow and undesirable. */
+#define SLOW_BYTE_ACCESS TARGET_SLOWBYTE
+
+/* Define if shifts truncate the shift count
+ which implies one can omit a sign-extension or zero-extension
+ of a shift count. */
+/* #define SHIFT_COUNT_TRUNCATED */
+
+/* Value is 1 if truncating an integer of INPREC bits to OUTPREC bits
+ is done just by pretending it is already truncated. */
+#define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 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. */
+#define Pmode \
+ ((TARGET_H8300H || TARGET_H8300S) && !TARGET_NORMAL_MODE ? SImode : HImode)
+
+/* ANSI C types.
+ We use longs for the H8/300H and the H8S because ints can be 16 or 32.
+ GCC requires SIZE_TYPE to be the same size as pointers. */
+#define SIZE_TYPE \
+ (TARGET_H8300 || TARGET_NORMAL_MODE ? TARGET_INT32 ? "short unsigned int" : "unsigned int" : "long unsigned int")
+#define PTRDIFF_TYPE \
+ (TARGET_H8300 || TARGET_NORMAL_MODE ? TARGET_INT32 ? "short int" : "int" : "long int")
+
+#define POINTER_SIZE \
+ ((TARGET_H8300H || TARGET_H8300S) && !TARGET_NORMAL_MODE ? 32 : 16)
+
+#define WCHAR_TYPE "short unsigned int"
+#define WCHAR_TYPE_SIZE 16
+
+/* A function address in a call instruction
+ is a byte address (for indexing purposes)
+ so give the MEM rtx a byte's mode. */
+#define FUNCTION_MODE QImode
+
+/* Return the length of JUMP's delay slot insn (0 if it has none).
+ If JUMP is a delayed branch, NEXT_INSN (PREV_INSN (JUMP)) will
+ be the containing SEQUENCE, not JUMP itself. */
+#define DELAY_SLOT_LENGTH(JUMP) \
+ (NEXT_INSN (PREV_INSN (JUMP)) == JUMP ? 0 : 2)
+
+#define BRANCH_COST(speed_p, predictable_p) 0
+
+/* Tell final.c how to eliminate redundant test instructions. */
+
+/* Here we define machine-dependent flags and fields in cc_status
+ (see `conditions.h'). No extra ones are needed for the h8300. */
+
+/* Store in cc_status the expressions
+ that the condition codes will describe
+ after execution of an instruction whose pattern is EXP.
+ Do not alter them if the instruction would not alter the cc's. */
+
+#define NOTICE_UPDATE_CC(EXP, INSN) notice_update_cc (EXP, INSN)
+
+/* The add insns don't set overflow in a usable way. */
+#define CC_OVERFLOW_UNUSABLE 01000
+/* The mov,and,or,xor insns don't set carry. That's OK though as the
+ Z bit is all we need when doing unsigned comparisons on the result of
+ these insns (since they're always with 0). However, conditions.h has
+ CC_NO_OVERFLOW defined for this purpose. Rename it to something more
+ understandable. */
+#define CC_NO_CARRY CC_NO_OVERFLOW
+
+/* Control the assembler format that we output. */
+
+/* Output to assembler file text saying following lines
+ may contain character constants, extra white space, comments, etc. */
+
+#define ASM_APP_ON "; #APP\n"
+
+/* Output to assembler file text saying following lines
+ no longer contain unusual constructs. */
+
+#define ASM_APP_OFF "; #NO_APP\n"
+
+#define FILE_ASM_OP "\t.file\n"
+
+/* The assembler op to get a word, 2 bytes for the H8/300, 4 for H8/300H. */
+#define ASM_WORD_OP \
+ (TARGET_H8300 || TARGET_NORMAL_MODE ? "\t.word\t" : "\t.long\t")
+
+#define TEXT_SECTION_ASM_OP "\t.section .text"
+#define DATA_SECTION_ASM_OP "\t.section .data"
+#define BSS_SECTION_ASM_OP "\t.section .bss"
+
+#undef DO_GLOBAL_CTORS_BODY
+#define DO_GLOBAL_CTORS_BODY \
+{ \
+ extern func_ptr __ctors[]; \
+ extern func_ptr __ctors_end[]; \
+ func_ptr *p; \
+ for (p = __ctors_end; p > __ctors; ) \
+ { \
+ (*--p)(); \
+ } \
+}
+
+#undef DO_GLOBAL_DTORS_BODY
+#define DO_GLOBAL_DTORS_BODY \
+{ \
+ extern func_ptr __dtors[]; \
+ extern func_ptr __dtors_end[]; \
+ func_ptr *p; \
+ for (p = __dtors; p < __dtors_end; p++) \
+ { \
+ (*p)(); \
+ } \
+}
+
+/* How to refer to registers in assembler output.
+ This sequence is indexed by compiler's hard-register-number (see above). */
+
+#define REGISTER_NAMES \
+{ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "sp", "mac", "ap", "rap", "fp" }
+
+#define ADDITIONAL_REGISTER_NAMES \
+{ {"er0", 0}, {"er1", 1}, {"er2", 2}, {"er3", 3}, {"er4", 4}, \
+ {"er5", 5}, {"er6", 6}, {"er7", 7}, {"r7", 7} }
+
+/* Globalizing directive for a label. */
+#define GLOBAL_ASM_OP "\t.global "
+
+#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
+ ASM_OUTPUT_LABEL (FILE, NAME)
+
+/* This is how to store into the string LABEL
+ the symbol_ref name of an internal numbered label where
+ PREFIX is the class of label and NUM is the number within the class.
+ This is suitable for output with `assemble_name'.
+
+ N.B.: The h8300.md branch_true and branch_false patterns also know
+ how to generate internal labels. */
+#define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \
+ sprintf (LABEL, "*.%s%lu", PREFIX, (unsigned long)(NUM))
+
+/* This is how to output an insn to push a register on the stack.
+ It need not be very fast code. */
+
+#define ASM_OUTPUT_REG_PUSH(FILE, REGNO) \
+ fprintf (FILE, "\t%s\t%s\n", h8_push_op, h8_reg_names[REGNO])
+
+/* This is how to output an insn to pop a register from the stack.
+ It need not be very fast code. */
+
+#define ASM_OUTPUT_REG_POP(FILE, REGNO) \
+ fprintf (FILE, "\t%s\t%s\n", h8_pop_op, h8_reg_names[REGNO])
+
+/* This is how to output an element of a case-vector that is absolute. */
+
+#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
+ fprintf (FILE, "%s.L%d\n", ASM_WORD_OP, VALUE)
+
+/* This is how to output an element of a case-vector that is relative. */
+
+#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
+ fprintf (FILE, "%s.L%d-.L%d\n", ASM_WORD_OP, VALUE, REL)
+
+/* This is how to output an assembler line
+ that says to advance the location counter
+ to a multiple of 2**LOG bytes. */
+
+#define ASM_OUTPUT_ALIGN(FILE, LOG) \
+ if ((LOG) != 0) \
+ fprintf (FILE, "\t.align %d\n", (LOG))
+
+#define ASM_OUTPUT_SKIP(FILE, SIZE) \
+ fprintf (FILE, "\t.space %d\n", (int)(SIZE))
+
+/* This says how to output an assembler line
+ to define a global common symbol. */
+
+#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
+( fputs ("\t.comm ", (FILE)), \
+ assemble_name ((FILE), (NAME)), \
+ fprintf ((FILE), ",%lu\n", (unsigned long)(SIZE)))
+
+#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
+ asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
+
+/* This says how to output an assembler line
+ to define a local common symbol. */
+
+#define ASM_OUTPUT_LOCAL(FILE, NAME, SIZE, ROUNDED) \
+( fputs ("\t.lcomm ", (FILE)), \
+ assemble_name ((FILE), (NAME)), \
+ fprintf ((FILE), ",%d\n", (int)(SIZE)))
+
+#define ASM_PN_FORMAT "%s___%lu"
+
+/* H8300 specific pragmas. */
+#define REGISTER_TARGET_PRAGMAS() \
+ do \
+ { \
+ c_register_pragma (0, "saveall", h8300_pr_saveall); \
+ c_register_pragma (0, "interrupt", h8300_pr_interrupt); \
+ } \
+ while (0)
+
+#define FINAL_PRESCAN_INSN(insn, operand, nop) \
+ final_prescan_insn (insn, operand, nop)
+
+extern int h8300_move_ratio;
+#define MOVE_RATIO(speed) h8300_move_ratio
+
+/* Machine-specific symbol_ref flags. */
+#define SYMBOL_FLAG_FUNCVEC_FUNCTION (SYMBOL_FLAG_MACH_DEP << 0)
+#define SYMBOL_FLAG_EIGHTBIT_DATA (SYMBOL_FLAG_MACH_DEP << 1)
+#define SYMBOL_FLAG_TINY_DATA (SYMBOL_FLAG_MACH_DEP << 2)
+
+#endif /* ! GCC_H8300_H */
new file mode 100644
@@ -0,0 +1,20 @@
+# Copyright (C) 2015 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 3, or (at your option)
+# any later version.
+#
+# GCC is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with GCC; see the file COPYING3. If not see
+# <http://www.gnu.org/licenses/>.
+
+MULTILIB_OPTIONS = mh/ms/msx
+MULTILIB_DIRNAMES = h8300h h8300s h8sx
@@ -475,6 +475,10 @@ h8300-*-elf*)
tm_file="$tm_file h8300/h8300-lib.h"
extra_parts="$extra_parts crti.o crtn.o"
;;
+h8300-*-linux*)
+ tmake_file="t-linux h8300/t-linux t-fpbit"
+ tm_file="$tm_file h8300/h8300-lib.h"
+ ;;
hppa*64*-*-linux*)
tmake_file="$tmake_file pa/t-linux pa/t-linux64"
extra_parts="crtbegin.o crtbeginS.o crtbeginT.o crtend.o crtendS.o"
@@ -84,6 +84,12 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#define A3E e3
#endif
+#define CONCAT(A,B) A##B
+#define LABEL0(U,X) CONCAT(U,__##X)
+#define LABEL0_DEF(U,X) CONCAT(U,__##X##:)
+#define LABEL_DEF(X) LABEL0_DEF(__USER_LABEL_PREFIX__,X)
+#define LABEL(X) LABEL0(__USER_LABEL_PREFIX__,X)
+
#ifdef __H8300H__
#ifdef __NORMAL_MODE__
.h8300hn
@@ -111,8 +117,8 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
#ifdef __H8300__
.section .text
.align 2
- .global ___cmpsi2
-___cmpsi2:
+ .global LABEL(cmpsi2)
+LABEL_DEF(cmpsi2)
cmp.w A0,A2
bne .L2
cmp.w A1,A3
@@ -137,8 +143,8 @@ ___cmpsi2:
#ifdef __H8300__
.section .text
.align 2
- .global ___ucmpsi2
-___ucmpsi2:
+ .global LABEL(ucmpsi2)
+LABEL_DEF(ucmpsi2)
cmp.w A0,A2
bne .L2
cmp.w A1,A3
@@ -207,10 +213,10 @@ _lab8: rts
; A0=A0/A1 signed
- .global ___divhi3
-___divhi3:
+ .global LABEL(divhi3)
+LABEL_DEF(divhi3)
bsr divnorm
- bsr ___udivhi3
+ bsr LABEL(udivhi3)
negans: btst #3,A2L ; should answer be negative ?
beq _lab4
not A0H ; yes, so make it so
@@ -220,18 +226,18 @@ _lab4: rts
; A0=A0%A1 signed
- .global ___modhi3
-___modhi3:
+ .global LABEL(modhi3)
+LABEL_DEF(modhi3)
bsr modnorm
- bsr ___udivhi3
+ bsr LABEL(udivhi3)
mov A3,A0
bra negans
; A0=A0%A1 unsigned
- .global ___umodhi3
-___umodhi3:
- bsr ___udivhi3
+ .global LABEL(umodhi3)
+LABEL_DEF(umodhi3)
+ bsr LABEL(udivhi3)
mov A3,A0
rts
@@ -251,8 +257,8 @@ ___umodhi3:
; The H8/300 only has a 16/8 bit divide, so we look at the incoming and
; see how to partition up the expression.
- .global ___udivhi3
-___udivhi3:
+ .global LABEL(udivhi3)
+LABEL_DEF(udivhi3)
; A0 A1 A2 A3
; Nn Dd P
sub.w A3,A3 ; Nn Dd xP 00
@@ -418,8 +424,8 @@ mpostive2:
; numerator in A0/A1
; denominator in A2/A3
- .global ___modsi3
-___modsi3:
+ .global LABEL(modsi3)
+LABEL_DEF(modsi3)
#ifdef __H8300__
PUSHP S2P
PUSHP S0P
@@ -432,7 +438,7 @@ ___modsi3:
#else
PUSHP S2P
bsr modnorm
- bsr ___udivsi3
+ bsr LABEL(divsi3)
mov.l er3,er0
bra exitdiv
#endif
@@ -440,8 +446,8 @@ ___modsi3:
;; H8/300H and H8S version of ___udivsi3 is defined later in
;; the file.
#ifdef __H8300__
- .global ___udivsi3
-___udivsi3:
+ .global LABEL(udivsi3)
+LABEL_DEF(udivsi3)
PUSHP S2P
PUSHP S0P
PUSHP S1P
@@ -449,8 +455,8 @@ ___udivsi3:
bra reti
#endif
- .global ___umodsi3
-___umodsi3:
+ .global LABEL(umodsi3)
+LABEL_DEF(umodsi3)
#ifdef __H8300__
PUSHP S2P
PUSHP S0P
@@ -460,13 +466,13 @@ ___umodsi3:
mov S1,A1
bra reti
#else
- bsr ___udivsi3
+ bsr LABEL(udivsi3)
mov.l er3,er0
rts
#endif
- .global ___divsi3
-___divsi3:
+ .global LABEL(divsi3)
+LABEL_DEF(divsi3)
#ifdef __H8300__
PUSHP S2P
PUSHP S0P
@@ -476,7 +482,7 @@ ___divsi3:
#else
PUSHP S2P
jsr divnorm
- bsr ___udivsi3
+ bsr LABEL(udivsi3)
#endif
; examine what the sign should be
@@ -591,8 +597,8 @@ setone:
#else /* __H8300H__ */
;; This function also computes the remainder and stores it in er3.
- .global ___udivsi3
-___udivsi3:
+ .global LABEL(udivsi3)
+LABEL_DEF(udivsi3)
mov.w A1E,A1E ; denominator top word 0?
bne DenHighNonZero
@@ -681,8 +687,8 @@ divmod_L26:
#ifdef __H8300__
.section .text
.align 2
- .global ___mulhi3
-___mulhi3:
+ .global LABEL(mulhi3)
+LABEL_DEF(mulhi3)
mov.b A1L,A2L ; A2l gets srcb.l
mulxu A0L,A2 ; A2 gets first sub product
@@ -726,8 +732,8 @@ ___mulhi3:
#ifdef __H8300__
- .global ___mulsi3
-___mulsi3:
+ .global LABEL(mulsi3)
+LABEL_DEF(mulsi3)
PUSHP S0P
PUSHP S1P
@@ -785,8 +791,8 @@ _done:
; 32b * 32b = 92 states
;
- .global ___mulsi3
-___mulsi3:
+ .global LABEL(mulsi3)
+LABEL_DEF(mulsi3)
mov.w r1,r2 ; ( 2 states) b * d
mulxu r0,er2 ; (22 states)
@@ -814,11 +820,11 @@ L_skip2:
#ifdef __H8300__
/* We still treat NANs different than libgcc2.c, but then, the
behavior is undefined anyways. */
- .global ___fixunssfsi
-___fixunssfsi:
+ .global LABEL(fixunssfsi)
+LABEL_DEF(fixunssfsi)
cmp.b #0x4f,r0h
bge Large_num
- jmp @___fixsfsi
+ jmp @LABEL(fixsfsi)
Large_num:
bhi L_huge_num
xor.b #0x80,A0L
new file mode 100644
@@ -0,0 +1,10 @@
+LIB1ASMSRC = h8300/lib1funcs.S
+LIB1ASMFUNCS = _cmpsi2 _ucmpsi2 _divhi3 _divsi3 _mulhi3 _mulsi3 \
+ _fixunssfsi_asm
+
+LIB2ADD = \
+ $(srcdir)/config/h8300/clzhi2.c \
+ $(srcdir)/config/h8300/ctzhi2.c \
+ $(srcdir)/config/h8300/parityhi2.c \
+ $(srcdir)/config/h8300/popcounthi2.c \
+ $(srcdir)/config/h8300/fixunssfsi.c