extern const char *h8_push_op, *h8_pop_op, *h8_mov_op;
extern const char * const *h8_reg_names;
-/* Names to predefine in the preprocessor for this target machine. */
-
-#define CPP_PREDEFINES \
-"-D__LONG_MAX__=2147483647L -D__LONG_LONG_MAX__=2147483647L"
-
-#define CPP_SPEC \
- "%{!mh:%{!ms:-D__H8300__}} %{mh:-D__H8300H__} %{ms:-D__H8300S__} \
- %{!mh:%{!ms:-Acpu=h8300 -Amachine=h8300}} \
- %{mh:-Acpu=h8300h -Amachine=h8300h} \
- %{ms:-Acpu=h8300s -Amachine=h8300s} \
- %{!mint32:-D__INT_MAX__=32767} %{mint32:-D__INT_MAX__=2147483647} \
- %(subtarget_cpp_spec)"
-
-#define SUBTARGET_CPP_SPEC ""
+/* 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_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"); \
+ } \
+ } \
+ while (0)
#define LINK_SPEC "%{mh:-m h8300h} %{ms:-m h8300s}"
#define LIB_SPEC "%{mrelax:-relax} %{g:-lg} %{!p:%{!pg:-lc}}%{p:-lc_p}%{pg:-lc_p}"
-#define EXTRA_SPECS \
- { "subtarget_cpp_spec", SUBTARGET_CPP_SPEC }, \
- SUBTARGET_EXTRA_SPECS
-
-#define SUBTARGET_EXTRA_SPECS
+#define OPTIMIZATION_OPTIONS(LEVEL, SIZE) \
+ do \
+ { \
+ /* Basic block reordering is only beneficial on targets with cache \
+ and/or variable-cycle branches where (cycle count taken != \
+ cycle count not taken). */ \
+ flag_reorder_blocks = 0; \
+ } \
+ while (0)
/* Print subsidiary information on the compiler version in use. */
extern int target_flags;
+/* Masks for the -m switches. */
+#define MASK_H8300S 0x00000001
+#define MASK_MAC 0x00000002
+#define MASK_INT32 0x00000008
+#define MASK_ADDRESSES 0x00000040
+#define MASK_QUICKCALL 0x00000080
+#define MASK_SLOWBYTE 0x00000100
+#define MASK_NORMAL_MODE 0x00000200
+#define MASK_RELAX 0x00000400
+#define MASK_RTL_DUMP 0x00000800
+#define MASK_H8300H 0x00001000
+#define MASK_ALIGN_300 0x00002000
+
/* Macros used in the machine description to test the flags. */
/* Make int's 32 bits. */
-#define TARGET_INT32 (target_flags & 8)
+#define TARGET_INT32 (target_flags & MASK_INT32)
/* Dump recorded insn lengths into the output file. This helps debug the
md file. */
-#define TARGET_ADDRESSES (target_flags & 64)
+#define TARGET_ADDRESSES (target_flags & MASK_ADDRESSES)
/* Pass the first few arguments in registers. */
-#define TARGET_QUICKCALL (target_flags & 128)
+#define TARGET_QUICKCALL (target_flags & MASK_QUICKCALL)
/* Pretend byte accesses are slow. */
-#define TARGET_SLOWBYTE (target_flags & 256)
+#define TARGET_SLOWBYTE (target_flags & MASK_SLOWBYTE)
/* Dump each assembler insn's rtl into the output file.
This is for debugging the compiler only. */
-#define TARGET_RTL_DUMP (target_flags & 2048)
+#define TARGET_RTL_DUMP (target_flags & MASK_RTL_DUMP)
/* Select between the H8/300 and H8/300H CPUs. */
#define TARGET_H8300 (! TARGET_H8300H && ! TARGET_H8300S)
-#define TARGET_H8300H (target_flags & 4096)
-#define TARGET_H8300S (target_flags & 1)
+#define TARGET_H8300H (target_flags & MASK_H8300H)
+#define TARGET_H8300S (target_flags & MASK_H8300S)
+#define TARGET_NORMAL_MODE (target_flags & MASK_NORMAL_MODE)
/* mac register and relevant instructions are available. */
-#define TARGET_MAC (target_flags & 2)
+#define TARGET_MAC (target_flags & MASK_MAC)
/* Align all values on the H8/300H the same way as the H8/300. Specifically,
32 bit and larger values are aligned on 16 bit boundaries.
- This is all the hardware requires, but the default is 32 bits for the 300H.
+ This is all the hardware requires, but the default is 32 bits for the H8/300H.
??? Now watch someone add hardware floating point requiring 32 bit
alignment. */
-#define TARGET_ALIGN_300 (target_flags & 8192)
+#define TARGET_ALIGN_300 (target_flags & MASK_ALIGN_300)
/* Macro to define tables used to set the flags.
This is a list in braces of pairs in braces,
where VALUE is the bits to set or minus the bits to clear.
An empty string NAME is used to identify the default VALUE. */
-#define TARGET_SWITCHES \
- { {"s", 1, N_("Generate H8/S code")}, \
- {"no-s", -1, N_("Do not generate H8/S code")}, \
- {"s2600", 2, N_("Generate H8/S2600 code")}, \
- {"no-s2600", -2, N_("Do not generate H8/S2600 code")}, \
- {"int32", 8, N_("Make integers 32 bits wide")}, \
- {"addresses", 64, NULL}, \
- {"quickcall", 128, \
- N_("Use registers for argument passing")}, \
- {"no-quickcall", -128, \
- N_("Do not use registers for argument passing")}, \
- {"slowbyte", 256, \
- N_("Consider access to byte sized memory slow")}, \
- {"relax", 1024, N_("Enable linker relaxing")}, \
- {"rtl-dump", 2048, NULL}, \
- {"h", 4096, N_("Generate H8/300H code")}, \
- {"no-h", -4096, N_("Do not generate H8/300H code")}, \
- {"align-300", 8192, N_("Use H8/300 alignment rules")}, \
- { "", TARGET_DEFAULT, NULL}}
+#define TARGET_SWITCHES \
+{ {"s", MASK_H8300S, N_("Generate H8S code")}, \
+ {"no-s", -MASK_H8300S, N_("Do not generate H8S code")}, \
+ {"s2600", MASK_MAC, N_("Generate H8S/2600 code")}, \
+ {"no-s2600", -MASK_MAC, N_("Do not generate H8S/2600 code")}, \
+ {"int32", MASK_INT32, N_("Make integers 32 bits wide")}, \
+ {"addresses", MASK_ADDRESSES, NULL}, \
+ {"quickcall", MASK_QUICKCALL, \
+ N_("Use registers for argument passing")}, \
+ {"no-quickcall", -MASK_QUICKCALL, \
+ N_("Do not use registers for argument passing")}, \
+ {"slowbyte", MASK_SLOWBYTE, \
+ N_("Consider access to byte sized memory slow")}, \
+ {"relax", MASK_RELAX, N_("Enable linker relaxing")}, \
+ {"rtl-dump", MASK_RTL_DUMP, NULL}, \
+ {"h", MASK_H8300H, N_("Generate H8/300H code")}, \
+ {"n", MASK_NORMAL_MODE, N_("Enable the normal mode")}, \
+ {"no-h", -MASK_H8300H, N_("Do not generate H8/300H code")}, \
+ {"align-300", MASK_ALIGN_300, N_("Use H8/300 alignment rules")}, \
+ { "", TARGET_DEFAULT, NULL}}
#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__
#else
#define TARGET_H8300S 0
#endif
+#ifdef __NORMAL_MODE__
+#define TARGET_NORMAL_MODE 1
+#else
+#define TARGET_NORMAL_MODE 0
+#endif
#endif /* !IN_LIBGCC2 */
/* Do things that must be done once at start up. */
/* Default target_flags if no switches specified. */
#ifndef TARGET_DEFAULT
-#define TARGET_DEFAULT (128) /* quickcall */
+#define TARGET_DEFAULT (MASK_QUICKCALL)
#endif
/* Show we can debug even without a frame pointer. */
structure layouts. */
#define EMPTY_FIELD_BOUNDARY 16
-/* A bitfield declared as `int' forces `int' alignment for the struct. */
+/* A bit-field declared as `int' forces `int' alignment for the struct. */
#define PCC_BITFIELD_TYPE_MATTERS 0
/* No data type wants to be aligned rounder than this.
- 32 bit values are aligned as such on the H8/300H and H8/S for speed. */
+ 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)
NO_REGS, GENERAL_REGS, MAC_REGS, ALL_REGS, LIM_REG_CLASSES
};
-#define N_REG_CLASSES (int) LIM_REG_CLASSES
+#define N_REG_CLASSES ((int) LIM_REG_CLASSES)
/* Give names of register classes as strings for dump file. */
#define REG_CLASS_CONTENTS \
{ {0}, /* No regs */ \
- {0x6ff}, /* GENERAL_REGS */ \
- {0x100}, /* MAC_REGS */ \
+ {0x6ff}, /* GENERAL_REGS */ \
+ {0x100}, /* MAC_REGS */ \
{0x7ff}, /* ALL_REGS */ \
}
Return 1 if VALUE is in the range specified by C. */
#define CONST_OK_FOR_I(VALUE) ((VALUE) == 0)
-#define CONST_OK_FOR_J(VALUE) ((unsigned HOST_WIDE_INT) (VALUE) < 256)
-#define CONST_OK_FOR_K(VALUE) ((VALUE) == 1 || (VALUE) == 2)
#define CONST_OK_FOR_L(VALUE) \
(TARGET_H8300H || TARGET_H8300S \
? (VALUE) == 1 || (VALUE) == 2 || (VALUE) == 4 \
: (VALUE) == 1 || (VALUE) == 2)
-#define CONST_OK_FOR_M(VALUE) ((VALUE) == 3 || (VALUE) == 4)
#define CONST_OK_FOR_N(VALUE) \
(TARGET_H8300H || TARGET_H8300S \
? (VALUE) == -1 || (VALUE) == -2 || (VALUE) == -4 \
: (VALUE) == -1 || (VALUE) == -2)
-#define CONST_OK_FOR_O(VALUE) (ok_for_bclr (VALUE))
-#define CONST_OK_FOR_P(VALUE) (small_power_of_two (VALUE))
#define CONST_OK_FOR_LETTER_P(VALUE, C) \
((C) == 'I' ? CONST_OK_FOR_I (VALUE) : \
- (C) == 'J' ? CONST_OK_FOR_J (VALUE) : \
- (C) == 'K' ? CONST_OK_FOR_K (VALUE) : \
(C) == 'L' ? CONST_OK_FOR_L (VALUE) : \
- (C) == 'M' ? CONST_OK_FOR_M (VALUE) : \
(C) == 'N' ? CONST_OK_FOR_N (VALUE) : \
- (C) == 'O' ? CONST_OK_FOR_O (VALUE) : \
- (C) == 'P' ? CONST_OK_FOR_P (VALUE) : \
0)
/* Similar, but for floating constants, and defining letters G and H.
All other eliminations are valid. */
#define CAN_ELIMINATE(FROM, TO) \
- ((((FROM) == ARG_POINTER_REGNUM || (FROM) == RETURN_ADDRESS_POINTER_REGNUM) \
- && (TO) == STACK_POINTER_REGNUM) \
- ? ! frame_pointer_needed \
- : 1)
+ ((TO) == STACK_POINTER_REGNUM ? ! frame_pointer_needed : 1)
/* 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 = initial_offset (FROM, TO)
+#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
+ ((OFFSET) = h8300_initial_elimination_offset ((FROM), (TO)))
/* Define how to find the value returned by a function.
VALTYPE is the data type of the value (as a tree).
H8/300
vvvv context
- 1 0000 7900xxxx mov.w #0x1234,r3
- 2 0004 5A00xxxx jmp @0x1234
+ 1 0000 7900xxxx mov.w #0x1234,r3
+ 2 0004 5A00xxxx jmp @0x1234
^^^^ function
H8/300H
vvvvvvvv context
- 2 0000 7A00xxxxxxxx mov.l #0x12345678,er3
- 3 0006 5Axxxxxx jmp @0x123456
+ 2 0000 7A00xxxxxxxx mov.l #0x12345678,er3
+ 3 0006 5Axxxxxx jmp @0x123456
^^^^^^ function
*/
/* Extra constraints. */
-/* Nonzero if X is a constant address suitable as an 8-bit absolute on
- the H8/300H, which is a special case of the 'R' operand. */
-
-#define EIGHTBIT_CONSTANT_ADDRESS_P(X) \
- (GET_CODE (X) == CONST_INT && TARGET_H8300H \
- && 0xffff00 <= INTVAL (X) && INTVAL (X) <= 0xffffff)
+#define OK_FOR_R(OP) \
+ (GET_CODE (OP) == CONST_INT \
+ ? !h8300_shift_needs_scratch_p (INTVAL (OP), QImode) \
+ : 0)
-/* Nonzero if X is a constant address suitable as an 16-bit absolute
- on the H8/300H. */
+#define OK_FOR_S(OP) \
+ (GET_CODE (OP) == CONST_INT \
+ ? !h8300_shift_needs_scratch_p (INTVAL (OP), HImode) \
+ : 0)
-#define TINY_CONSTANT_ADDRESS_P(X) \
- (GET_CODE (X) == CONST_INT && TARGET_H8300H \
- && ((0xff8000 <= INTVAL (X) && INTVAL (X) <= 0xffffff) \
- || (0x000000 <= INTVAL (X) && INTVAL (X) <= 0x007fff)))
+#define OK_FOR_T(OP) \
+ (GET_CODE (OP) == CONST_INT \
+ ? !h8300_shift_needs_scratch_p (INTVAL (OP), SImode) \
+ : 0)
/* 'U' if valid for a bset destination;
i.e. a register, register indirect, or the eightbit memory region
(a SYMBOL_REF with an SYMBOL_REF_FLAG set).
- On the H8/S 'U' can also be a 16bit or 32bit absolute. */
+ On the H8S 'U' can also be a 16bit or 32bit absolute. */
#define OK_FOR_U(OP) \
((GET_CODE (OP) == REG && REG_OK_FOR_BASE_P (OP)) \
|| (GET_CODE (OP) == MEM && GET_CODE (XEXP (OP, 0)) == REG \
&& REG_OK_FOR_BASE_P (XEXP (OP, 0))) \
|| (GET_CODE (OP) == MEM && GET_CODE (XEXP (OP, 0)) == SYMBOL_REF \
- && (TARGET_H8300S || SYMBOL_REF_FLAG (XEXP (OP, 0)))) \
- || ((GET_CODE (OP) == MEM && GET_CODE (XEXP (OP, 0)) == CONST \
- && GET_CODE (XEXP (XEXP (OP, 0), 0)) == PLUS \
- && GET_CODE (XEXP (XEXP (XEXP (OP, 0), 0), 0)) == SYMBOL_REF \
- && GET_CODE (XEXP (XEXP (XEXP (OP, 0), 0), 1)) == CONST_INT) \
- && (TARGET_H8300S || SYMBOL_REF_FLAG (XEXP (XEXP (OP, 0), 0)))) \
+ && TARGET_H8300S) \
+ || (GET_CODE (OP) == MEM && GET_CODE (XEXP (OP, 0)) == CONST \
+ && GET_CODE (XEXP (XEXP (OP, 0), 0)) == PLUS \
+ && GET_CODE (XEXP (XEXP (XEXP (OP, 0), 0), 0)) == SYMBOL_REF \
+ && GET_CODE (XEXP (XEXP (XEXP (OP, 0), 0), 1)) == CONST_INT \
+ && (TARGET_H8300S \
+ || SYMBOL_REF_FLAG (XEXP (XEXP (XEXP (OP, 0), 0), 0)))) \
|| (GET_CODE (OP) == MEM \
- && EIGHTBIT_CONSTANT_ADDRESS_P (XEXP (OP, 0))) \
+ && h8300_eightbit_constant_address_p (XEXP (OP, 0))) \
|| (GET_CODE (OP) == MEM && TARGET_H8300S \
&& GET_CODE (XEXP (OP, 0)) == CONST_INT))
#define EXTRA_CONSTRAINT(OP, C) \
- ((C) == 'U' ? OK_FOR_U (OP) : \
+ ((C) == 'R' ? OK_FOR_R (OP) : \
+ (C) == 'S' ? OK_FOR_S (OP) : \
+ (C) == 'T' ? OK_FOR_T (OP) : \
+ (C) == 'U' ? OK_FOR_U (OP) : \
0)
\f
/* GO_IF_LEGITIMATE_ADDRESS recognizes an RTL expression
/* 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 ? SImode : HImode)
+#define Pmode \
+ ((TARGET_H8300H || TARGET_H8300S) && !TARGET_NORMAL_MODE ? SImode : HImode)
/* ANSI C types.
- We use longs for the 300H because ints can be 16 or 32.
+ 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 ? "unsigned int" : "long unsigned int")
-#define PTRDIFF_TYPE (TARGET_H8300 ? "int" : "long int")
+#define SIZE_TYPE \
+ (TARGET_H8300 || TARGET_NORMAL_MODE ? "unsigned int" : "long unsigned int")
+#define PTRDIFF_TYPE \
+ (TARGET_H8300 || TARGET_NORMAL_MODE ? "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
/* Provide the costs of a rtl expression. This is in the body of a
switch on CODE. */
-/* ??? Shifts need to have a *much* higher cost than this. */
-
-#define RTX_COSTS(RTX, CODE, OUTER_CODE) \
- case MOD: \
- case DIV: \
- return 60; \
- case MULT: \
- return 20; \
- case ASHIFT: \
- case ASHIFTRT: \
- case LSHIFTRT: \
- case ROTATE: \
- case ROTATERT: \
- if (GET_MODE (RTX) == HImode) return 2; \
+
+#define RTX_COSTS(RTX, CODE, OUTER_CODE) \
+ case AND: \
+ return COSTS_N_INSNS (h8300_and_costs (RTX)); \
+ case MOD: \
+ case DIV: \
+ return 60; \
+ case MULT: \
+ return 20; \
+ case ASHIFT: \
+ case ASHIFTRT: \
+ case LSHIFTRT: \
+ return COSTS_N_INSNS (h8300_shift_costs (RTX)); \
+ case ROTATE: \
+ case ROTATERT: \
+ if (GET_MODE (RTX) == HImode) return 2; \
return 8;
/* Tell final.c how to eliminate redundant test instructions. */
#define IDENT_ASM_OP "\t.ident\n"
/* The assembler op to get a word, 2 bytes for the H8/300, 4 for H8/300H. */
-#define ASM_WORD_OP (TARGET_H8300 ? "\t.word\t" : "\t.long\t")
+#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"
{ {"er0", 0}, {"er1", 1}, {"er2", 2}, {"er3", 3}, {"er4", 4}, \
{"er5", 5}, {"er6", 6}, {"er7", 7}, {"r7", 7} }
-#define SDB_DEBUGGING_INFO
+#define SDB_DEBUGGING_INFO 1
#define SDB_DELIM "\n"
/* Support -gstabs. */
/* Switch into a generic section. */
#define TARGET_ASM_NAMED_SECTION h8300_asm_named_section
-/* This is how to output the definition of a user-level label named NAME,
- such as the label on a static function or variable NAME. */
-
-#define ASM_OUTPUT_LABEL(FILE, NAME) \
- do \
- { \
- assemble_name (FILE, NAME); \
- fputs (":\n", FILE); \
- } \
- while (0)
-
#define ASM_OUTPUT_LABELREF(FILE, NAME) \
asm_fprintf ((FILE), "%U%s", (NAME) + (TINY_DATA_NAME_P (NAME) ? 1 : 0))
#define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME)
-/* This is how to output a command to make the user-level label named NAME
- defined for reference from other files. */
-
-#define ASM_GLOBALIZE_LABEL(FILE, NAME) \
- do \
- { \
- fputs ("\t.global ", FILE); \
- assemble_name (FILE, NAME); \
- fputs ("\n", FILE); \
- } \
- while (0)
+/* 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 output an element of a case-vector that is absolute. */
#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
- asm_fprintf (FILE, "%s.L%d\n", ASM_WORD_OP, 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. */
projects / platform / upstream / gcc.git / blobdiff