-/* Definitions of target machine for GNU compiler for Hitachi Super-H.
- Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
+/* Definitions of target machine for GNU compiler for Hitachi / SuperH SH.
+ Copyright (C) 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002
Free Software Foundation, Inc.
Contributed by Steve Chamberlain (sac@cygnus.com).
Improved by Jim Wilson (wilson@cygnus.com).
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
+#ifndef GCC_SH_H
+#define GCC_SH_H
#define TARGET_VERSION \
fputs (" (Hitachi SH)", stderr);
/* Unfortunately, insn-attrtab.c doesn't include insn-codes.h. We can't
- include it here, because hconfig.h is also included by gencodes.c . */
+ include it here, because hconfig.h is also included by gencodes.c . */
+/* ??? No longer true. */
extern int code_for_indirect_jump_scratch;
-/* Generate SDB debugging information. */
-
-#define SDB_DEBUGGING_INFO
-
-/* Output DBX (stabs) debugging information if doing -gstabs. */
-
-#include "dbxcoff.h"
-
-#define SDB_DELIM ";"
-
-#define CPP_SPEC "%{ml:-D__LITTLE_ENDIAN__} \
-%{m1:-D__sh1__} \
-%{m2:-D__sh2__} \
-%{m3:-D__sh3__} \
-%{m3e:-D__SH3E__} \
-%{m4-single-only:-D__SH4_SINGLE_ONLY__} \
-%{m4-single:-D__SH4_SINGLE__} \
-%{m4-nofpu:-D__sh3__} \
-%{m4:-D__SH4__} \
-%{!m1:%{!m2:%{!m3:%{!m3e:%{!m4:%{!m4-single:%{!m4-single-only:%{!m4-nofpu:-D__sh1__}}}}}}}} \
-%{mnomacsave:-D__NOMACSAVE__} \
-%{mhitachi:-D__HITACHI__}"
-
-#define CPP_PREDEFINES "-D__sh__ -Acpu(sh) -Amachine(sh)"
-
-#define ASM_SPEC "%{ml:-little} %{mrelax:-relax}"
-
-#define LINK_SPEC "%{ml:-m shl} %{mrelax:-relax}"
+#define TARGET_CPU_CPP_BUILTINS() \
+do { \
+ builtin_define ("__sh__"); \
+ builtin_assert ("cpu=sh"); \
+ builtin_assert ("machine=sh"); \
+ switch ((int) sh_cpu) \
+ { \
+ case PROCESSOR_SH1: \
+ builtin_define ("__sh1__"); \
+ break; \
+ case PROCESSOR_SH2: \
+ builtin_define ("__sh2__"); \
+ break; \
+ case PROCESSOR_SH3: \
+ builtin_define ("__sh3__"); \
+ builtin_define ("__SH3__"); \
+ if (TARGET_HARD_SH4) \
+ builtin_define ("__SH4_NOFPU__"); \
+ break; \
+ case PROCESSOR_SH3E: \
+ builtin_define (TARGET_HARD_SH4 ? "__SH4_SINGLE_ONLY__" : "__SH3E__"); \
+ break; \
+ case PROCESSOR_SH4: \
+ builtin_define (TARGET_FPU_SINGLE ? "__SH4_SINGLE__" : "__SH4__"); \
+ break; \
+ case PROCESSOR_SH5: \
+ { \
+ builtin_define_with_value ("__SH5__", \
+ TARGET_SHMEDIA64 ? "64" : "32", 0); \
+ builtin_define_with_value ("__SHMEDIA__", \
+ TARGET_SHMEDIA ? "1" : "0", 0); \
+ if (! TARGET_FPU_DOUBLE) \
+ builtin_define ("__SH4_NOFPU__"); \
+ } \
+ } \
+ if (TARGET_HITACHI) \
+ builtin_define ("__HITACHI__"); \
+ builtin_define (TARGET_LITTLE_ENDIAN \
+ ? "__LITTLE_ENDIAN__" : "__BIG_ENDIAN__"); \
+ if (flag_pic) \
+ { \
+ builtin_define ("__pic__"); \
+ builtin_define ("__PIC__"); \
+ } \
+ TARGET_OBJFMT_CPP_BUILTINS (); \
+} while (0)
/* We can not debug without a frame pointer. */
/* #define CAN_DEBUG_WITHOUT_FP */
-#define CONDITIONAL_REGISTER_USAGE \
- if (! TARGET_SH4 || ! TARGET_FMOVD) \
+#define CONDITIONAL_REGISTER_USAGE do \
+{ \
+ int regno; \
+ for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno ++) \
+ if (! VALID_REGISTER_P (regno)) \
+ fixed_regs[regno] = call_used_regs[regno] = 1; \
+ /* R8 and R9 are call-clobbered on SH5, but not on earlier SH ABIs. */ \
+ if (TARGET_SH5) \
+ call_used_regs[FIRST_GENERAL_REG + 8] \
+ = call_used_regs[FIRST_GENERAL_REG + 9] = 1; \
+ if (TARGET_SHMEDIA) \
{ \
- int regno; \
- for (regno = FIRST_XD_REG; regno <= LAST_XD_REG; regno++) \
- fixed_regs[regno] = call_used_regs[regno] = 1; \
- if (! TARGET_SH4) \
- { \
- if (! TARGET_SH3E) \
- { \
- int regno; \
- for (regno = FIRST_FP_REG; regno <= LAST_FP_REG; regno++) \
- fixed_regs[regno] = call_used_regs[regno] = 1; \
- fixed_regs[FPUL_REG] = call_used_regs[FPUL_REG] = 1; \
- } \
- } \
+ regno_reg_class[FIRST_GENERAL_REG] = GENERAL_REGS; \
+ CLEAR_HARD_REG_SET (reg_class_contents[FP0_REGS]); \
+ regno_reg_class[FIRST_FP_REG] = FP_REGS; \
} \
if (flag_pic) \
- { \
- fixed_regs[PIC_OFFSET_TABLE_REGNUM] = 1; \
- call_used_regs[PIC_OFFSET_TABLE_REGNUM] = 1; \
- } \
+ fixed_regs[PIC_OFFSET_TABLE_REGNUM] = 1; \
/* Hitachi saves and restores mac registers on call. */ \
if (TARGET_HITACHI && ! TARGET_NOMACSAVE) \
{ \
call_used_regs[MACH_REG] = 0; \
call_used_regs[MACL_REG] = 0; \
- }
+ } \
+ if (TARGET_SHMEDIA) \
+ { \
+ for (regno = FIRST_TARGET_REG; regno <= LAST_TARGET_REG; regno ++)\
+ if (! fixed_regs[regno] && call_used_regs[regno]) \
+ SET_HARD_REG_BIT (reg_class_contents[SIBCALL_REGS], regno); \
+ } \
+ else \
+ for (regno = FIRST_GENERAL_REG; regno <= LAST_GENERAL_REG; regno++) \
+ if (! fixed_regs[regno] && call_used_regs[regno]) \
+ SET_HARD_REG_BIT (reg_class_contents[SIBCALL_REGS], regno); \
+} while (0)
\f
/* ??? Need to write documentation for all SH options and add it to the
invoke.texi file. */
#define FPU_SINGLE_BIT (1<<7)
#define SH4_BIT (1<<12)
#define FMOVD_BIT (1<<4)
+#define SH5_BIT (1<<0)
#define SPACE_BIT (1<<13)
#define BIGTABLE_BIT (1<<14)
#define RELAX_BIT (1<<15)
+#define USERMODE_BIT (1<<16)
#define HITACHI_BIT (1<<22)
#define NOMACSAVE_BIT (1<<23)
#define PREFERGOT_BIT (1<<24)
#define TARGET_SH3 (target_flags & SH3_BIT)
/* Nonzero if we should generate code using type 3E insns. */
-#define TARGET_SH3E (target_flags & SH3E_BIT)
+#define TARGET_SH3E ((target_flags & SH3E_BIT) && (target_flags & SH1_BIT))
-/* Nonzero if the cache line size is 32. */
-#define TARGET_CACHE32 (target_flags & HARD_SH4_BIT)
+/* Nonzero if the cache line size is 32. */
+#define TARGET_CACHE32 (target_flags & HARD_SH4_BIT || TARGET_SH5)
-/* Nonzero if we schedule for a superscalar implementation. */
+/* Nonzero if we schedule for a superscalar implementation. */
#define TARGET_SUPERSCALAR (target_flags & HARD_SH4_BIT)
/* Nonzero if the target has separate instruction and data caches. */
/* Nonzero if the default precision of th FPU is single */
#define TARGET_FPU_SINGLE (target_flags & FPU_SINGLE_BIT)
+/* Nonzero if a double-precision FPU is available. */
+#define TARGET_FPU_DOUBLE (target_flags & SH4_BIT)
+
+/* Nonzero if an FPU is available. */
+#define TARGET_FPU_ANY (TARGET_SH3E || TARGET_FPU_DOUBLE)
+
/* Nonzero if we should generate code using type 4 insns. */
-#define TARGET_SH4 (target_flags & SH4_BIT)
+#define TARGET_SH4 ((target_flags & SH4_BIT) && (target_flags & SH1_BIT))
+
+/* Nonzero if we should generate code for a SH5 CPU (either ISA). */
+#define TARGET_SH5 (target_flags & SH5_BIT)
+
+/* Nonzero if we should generate code using the SHcompact instruction
+ set and 32-bit ABI. */
+#define TARGET_SHCOMPACT (TARGET_SH5 && TARGET_SH1)
+
+/* Nonzero if we should generate code using the SHmedia instruction
+ set and ABI. */
+#define TARGET_SHMEDIA (TARGET_SH5 && ! TARGET_SH1)
+
+/* Nonzero if we should generate code using the SHmedia ISA and 32-bit
+ ABI. */
+#define TARGET_SHMEDIA32 (TARGET_SH5 && ! TARGET_SH1 \
+ && (target_flags & SH3E_BIT))
+/* Nonzero if we should generate code using the SHmedia ISA and 64-bit
+ ABI. */
+#define TARGET_SHMEDIA64 (TARGET_SH5 && ! TARGET_SH1 \
+ && ! (target_flags & SH3E_BIT))
+
+/* Nonzero if we should generate code using SHmedia FPU instructions. */
+#define TARGET_SHMEDIA_FPU (TARGET_SHMEDIA && TARGET_FPU_DOUBLE)
/* Nonzero if we should generate fmovd. */
#define TARGET_FMOVD (target_flags & FMOVD_BIT)
/* Nonzero if generating code for a little endian SH. */
#define TARGET_LITTLE_ENDIAN (target_flags & LITTLE_ENDIAN_BIT)
+/* Nonzero if we should do everything in userland. */
+#define TARGET_USERMODE (target_flags & USERMODE_BIT)
+
/* Nonzero if we should prefer @GOT calls when generating PIC. */
#define TARGET_PREFERGOT (target_flags & PREFERGOT_BIT)
+#define SELECT_SH1 (SH1_BIT)
+#define SELECT_SH2 (SH2_BIT | SELECT_SH1)
+#define SELECT_SH3 (SH3_BIT | SELECT_SH2)
+#define SELECT_SH3E (SH3E_BIT | FPU_SINGLE_BIT | SELECT_SH3)
+#define SELECT_SH4_NOFPU (HARD_SH4_BIT | SELECT_SH3)
+#define SELECT_SH4_SINGLE_ONLY (HARD_SH4_BIT | SELECT_SH3E)
+#define SELECT_SH4 (SH4_BIT|SH3E_BIT|HARD_SH4_BIT | SELECT_SH3)
+#define SELECT_SH4_SINGLE (FPU_SINGLE_BIT | SELECT_SH4)
+#define SELECT_SH5_64 (SH5_BIT | SH4_BIT)
+#define SELECT_SH5_64_NOFPU (SH5_BIT)
+#define SELECT_SH5_32 (SH5_BIT | SH4_BIT | SH3E_BIT)
+#define SELECT_SH5_32_NOFPU (SH5_BIT | SH3E_BIT)
+#define SELECT_SH5_COMPACT (SH5_BIT | SH4_BIT | SELECT_SH3E)
+#define SELECT_SH5_COMPACT_NOFPU (SH5_BIT | SELECT_SH3)
+
+/* Reset all target-selection flags. */
+#define TARGET_NONE -(SH1_BIT | SH2_BIT | SH3_BIT | SH3E_BIT | SH4_BIT \
+ | HARD_SH4_BIT | FPU_SINGLE_BIT | SH5_BIT)
+
#define TARGET_SWITCHES \
-{ {"1", SH1_BIT}, \
- {"2", SH2_BIT}, \
- {"3", SH3_BIT|SH2_BIT}, \
- {"3e", SH3E_BIT|SH3_BIT|SH2_BIT|FPU_SINGLE_BIT}, \
- {"4-single-only", SH3E_BIT|SH3_BIT|SH2_BIT|HARD_SH4_BIT|FPU_SINGLE_BIT}, \
- {"4-single", SH4_BIT|SH3E_BIT|SH3_BIT|SH2_BIT|HARD_SH4_BIT|FPU_SINGLE_BIT},\
- {"4-nofpu", SH3_BIT|SH2_BIT|HARD_SH4_BIT},\
- {"4", SH4_BIT|SH3E_BIT|SH3_BIT|SH2_BIT|HARD_SH4_BIT}, \
- {"b", -LITTLE_ENDIAN_BIT}, \
- {"bigtable", BIGTABLE_BIT}, \
- {"dalign", DALIGN_BIT}, \
- {"fmovd", FMOVD_BIT}, \
- {"hitachi", HITACHI_BIT}, \
- {"nomacsave", NOMACSAVE_BIT}, \
- {"ieee", IEEE_BIT}, \
- {"isize", ISIZE_BIT}, \
- {"l", LITTLE_ENDIAN_BIT}, \
- {"no-ieee", -IEEE_BIT}, \
- {"padstruct", PADSTRUCT_BIT}, \
- {"prefergot", PREFERGOT_BIT}, \
- {"relax", RELAX_BIT}, \
- {"space", SPACE_BIT}, \
+{ {"1", TARGET_NONE, "" }, \
+ {"1", SELECT_SH1, "" }, \
+ {"2", TARGET_NONE, "" }, \
+ {"2", SELECT_SH2, "" }, \
+ {"3", TARGET_NONE, "" }, \
+ {"3", SELECT_SH3, "" }, \
+ {"3e", TARGET_NONE, "" }, \
+ {"3e", SELECT_SH3E, "" }, \
+ {"4-single-only", TARGET_NONE, "" }, \
+ {"4-single-only", SELECT_SH4_SINGLE_ONLY, "" }, \
+ {"4-single", TARGET_NONE, "" }, \
+ {"4-single", SELECT_SH4_SINGLE, "" },\
+ {"4-nofpu", TARGET_NONE, "" }, \
+ {"4-nofpu", SELECT_SH4_NOFPU, "" },\
+ {"4", TARGET_NONE, "" }, \
+ {"4", SELECT_SH4, "" }, \
+ {"5-64media", TARGET_NONE, "" }, \
+ {"5-64media", SELECT_SH5_64, "Generate 64-bit SHmedia code" }, \
+ {"5-64media-nofpu", TARGET_NONE, "" }, \
+ {"5-64media-nofpu", SELECT_SH5_64_NOFPU, "Generate 64-bit FPU-less SHmedia code" }, \
+ {"5-32media", TARGET_NONE, "" }, \
+ {"5-32media", SELECT_SH5_32, "Generate 32-bit SHmedia code" }, \
+ {"5-32media-nofpu", TARGET_NONE, "" }, \
+ {"5-32media-nofpu", SELECT_SH5_32_NOFPU, "Generate 32-bit FPU-less SHmedia code" }, \
+ {"5-compact", TARGET_NONE, "" }, \
+ {"5-compact", SELECT_SH5_COMPACT, "Generate SHcompact code" }, \
+ {"5-compact-nofpu", TARGET_NONE, "" }, \
+ {"5-compact-nofpu", SELECT_SH5_COMPACT_NOFPU, "Generate FPU-less SHcompact code" }, \
+ {"b", -LITTLE_ENDIAN_BIT, "" }, \
+ {"bigtable", BIGTABLE_BIT, "" }, \
+ {"dalign", DALIGN_BIT, "" }, \
+ {"fmovd", FMOVD_BIT, "" }, \
+ {"hitachi", HITACHI_BIT, "" }, \
+ {"nomacsave", NOMACSAVE_BIT, "" }, \
+ {"ieee", IEEE_BIT, "" }, \
+ {"isize", ISIZE_BIT, "" }, \
+ {"l", LITTLE_ENDIAN_BIT, "" }, \
+ {"no-ieee", -IEEE_BIT, "" }, \
+ {"padstruct", PADSTRUCT_BIT, "" }, \
+ {"prefergot", PREFERGOT_BIT, "" }, \
+ {"relax", RELAX_BIT, "" }, \
+ {"space", SPACE_BIT, "" }, \
+ {"usermode", USERMODE_BIT, "" }, \
SUBTARGET_SWITCHES \
- {"", TARGET_DEFAULT} \
+ {"", TARGET_DEFAULT, "" } \
}
/* This are meant to be redefined in the host dependent files */
#define SUBTARGET_SWITCHES
-#define TARGET_DEFAULT (0)
+/* This defaults us to big-endian. */
+#ifndef TARGET_ENDIAN_DEFAULT
+#define TARGET_ENDIAN_DEFAULT 0
+#endif
+
+#ifndef TARGET_CPU_DEFAULT
+#define TARGET_CPU_DEFAULT SELECT_SH1
+#endif
+
+#define TARGET_DEFAULT (TARGET_CPU_DEFAULT|TARGET_ENDIAN_DEFAULT)
+
+#define CPP_SPEC " %(subtarget_cpp_spec) "
+
+#ifndef SUBTARGET_CPP_SPEC
+#define SUBTARGET_CPP_SPEC ""
+#endif
+
+#ifndef SUBTARGET_EXTRA_SPECS
+#define SUBTARGET_EXTRA_SPECS
+#endif
+
+#define EXTRA_SPECS \
+ { "subtarget_cpp_spec", SUBTARGET_CPP_SPEC }, \
+ { "link_emul_prefix", LINK_EMUL_PREFIX }, \
+ { "link_default_cpu_emul", LINK_DEFAULT_CPU_EMUL }, \
+ { "subtarget_link_emul_suffix", SUBTARGET_LINK_EMUL_SUFFIX }, \
+ { "subtarget_link_spec", SUBTARGET_LINK_SPEC }, \
+ { "subtarget_asm_endian_spec", SUBTARGET_ASM_ENDIAN_SPEC }, \
+ SUBTARGET_EXTRA_SPECS
+
+#define ASM_SPEC "%(subtarget_asm_endian_spec) %{mrelax:-relax}"
+
+#ifndef SUBTARGET_ASM_ENDIAN_SPEC
+#if TARGET_ENDIAN_DEFAULT == LITTLE_ENDIAN_BIT
+#define SUBTARGET_ASM_ENDIAN_SPEC "%{mb:-big} %{!mb:-little}"
+#else
+#define SUBTARGET_ASM_ENDIAN_SPEC "%{ml:-little} %{!ml:-big}"
+#endif
+#endif
+
+#define LINK_EMUL_PREFIX "sh%{ml:l}"
+
+#if TARGET_CPU_DEFAULT & SH5_BIT
+#if TARGET_CPU_DEFAULT & SH3E_BIT
+#define LINK_DEFAULT_CPU_EMUL "32"
+#else
+#define LINK_DEFAULT_CPU_EMUL "64"
+#endif /* SH3E_BIT */
+#else
+#define LINK_DEFAULT_CPU_EMUL ""
+#endif /* SH5_BIT */
+
+#define SUBTARGET_LINK_EMUL_SUFFIX ""
+#define SUBTARGET_LINK_SPEC ""
+
+/* svr4.h redefines LINK_SPEC inappropriately, so go via SH_LINK_SPEC,
+ so that we can undo the damage without code replication. */
+#define LINK_SPEC SH_LINK_SPEC
+
+#define SH_LINK_SPEC "\
+-m %(link_emul_prefix)\
+%{m5-compact*|m5-32media*:32}\
+%{m5-64media*:64}\
+%{!m1:%{!m2:%{!m3*:%{!m4*:%{!m5*:%(link_default_cpu_emul)}}}}}\
+%(subtarget_link_emul_suffix) \
+%{mrelax:-relax} %(subtarget_link_spec)"
#define OPTIMIZATION_OPTIONS(LEVEL,SIZE) \
do { \
#define OVERRIDE_OPTIONS \
do { \
+ int regno; \
+ \
sh_cpu = CPU_SH1; \
assembler_dialect = 0; \
if (TARGET_SH2) \
assembler_dialect = 1; \
sh_cpu = CPU_SH4; \
} \
- if (! TARGET_SH4 || ! TARGET_FMOVD) \
+ if (TARGET_SH5) \
{ \
- /* Prevent usage of explicit register names for variables \
- for registers not present / not addressable in the \
- target architecture. */ \
- int regno; \
- for (regno = (TARGET_SH3E) ? 17 : 0; \
- regno <= 24; regno++) \
- fp_reg_names[regno][0] = 0; \
+ sh_cpu = CPU_SH5; \
+ target_flags |= DALIGN_BIT; \
+ if (TARGET_FPU_ANY) \
+ target_flags |= FMOVD_BIT; \
+ if (TARGET_SHMEDIA) \
+ { \
+ /* There are no delay slots on SHmedia. */ \
+ flag_delayed_branch = 0; \
+ /* Relaxation isn't yet supported for SHmedia */ \
+ target_flags &= ~RELAX_BIT; \
+ } \
+ if (profile_flag || profile_arc_flag) \
+ { \
+ warning ("Profiling is not supported on this target."); \
+ profile_flag = profile_arc_flag = 0; \
+ } \
} \
+ else \
+ { \
+ /* Only the sh64-elf assembler fully supports .quad properly. */\
+ targetm.asm_out.aligned_op.di = NULL; \
+ targetm.asm_out.unaligned_op.di = NULL; \
+ } \
+ \
+ for (regno = 0; regno < FIRST_PSEUDO_REGISTER; regno++) \
+ if (! VALID_REGISTER_P (regno)) \
+ sh_register_names[regno][0] = '\0'; \
+ \
+ for (regno = 0; regno < ADDREGNAMES_SIZE; regno++) \
+ if (! VALID_REGISTER_P (ADDREGNAMES_REGNO (regno))) \
+ sh_additional_register_names[regno][0] = '\0'; \
+ \
if (flag_omit_frame_pointer < 0) \
- /* The debugging information is sufficient, \
- but gdb doesn't implement this yet */ \
- if (0) \
- flag_omit_frame_pointer \
- = (PREFERRED_DEBUGGING_TYPE == DWARF_DEBUG \
- || PREFERRED_DEBUGGING_TYPE == DWARF2_DEBUG); \
- else \
- flag_omit_frame_pointer = 0; \
+ { \
+ /* The debugging information is sufficient, \
+ but gdb doesn't implement this yet */ \
+ if (0) \
+ flag_omit_frame_pointer \
+ = (PREFERRED_DEBUGGING_TYPE == DWARF_DEBUG \
+ || PREFERRED_DEBUGGING_TYPE == DWARF2_DEBUG); \
+ else \
+ flag_omit_frame_pointer = 0; \
+ } \
\
if (flag_pic && ! TARGET_PREFERGOT) \
flag_no_function_cse = 1; \
\f
/* Target machine storage layout. */
-/* Define to use software floating point emulator for REAL_ARITHMETIC and
- decimal <-> binary conversion. */
-#define REAL_ARITHMETIC
-
/* Define this if most significant bit is lowest numbered
in instructions that operate on numbered bit-fields. */
#define LIBGCC2_WORDS_BIG_ENDIAN 1
#endif
-/* Number of bits in an addressable storage unit. */
-#define BITS_PER_UNIT 8
+#define MAX_BITS_PER_WORD 64
+
+#define MAX_LONG_TYPE_SIZE MAX_BITS_PER_WORD
+
+/* Width in bits of an `int'. We want just 32-bits, even if words are
+ longer. */
+#define INT_TYPE_SIZE 32
+
+/* Width in bits of a `long'. */
+#define LONG_TYPE_SIZE (TARGET_SHMEDIA64 ? 64 : 32)
+
+/* Width in bits of a `long long'. */
+#define LONG_LONG_TYPE_SIZE 64
-/* Width in bits of a "word", which is the contents of a machine register.
- Note that this is not necessarily the width of data type `int';
- if using 16-bit ints on a 68000, this would still be 32.
- But on a machine with 16-bit registers, this would be 16. */
-#define BITS_PER_WORD 32
-#define MAX_BITS_PER_WORD 32
+/* Width in bits of a `long double'. */
+#define LONG_DOUBLE_TYPE_SIZE 64
/* Width of a word, in units (bytes). */
-#define UNITS_PER_WORD 4
+#define UNITS_PER_WORD (TARGET_SHMEDIA ? 8 : 4)
+#define MIN_UNITS_PER_WORD 4
/* Width in bits of a pointer.
See also the macro `Pmode' defined below. */
-#define POINTER_SIZE 32
+#define POINTER_SIZE (TARGET_SHMEDIA64 ? 64 : 32)
/* Allocation boundary (in *bits*) for storing arguments in argument list. */
-#define PARM_BOUNDARY 32
+#define PARM_BOUNDARY (TARGET_SH5 ? 64 : 32)
/* Boundary (in *bits*) on which stack pointer should be aligned. */
#define STACK_BOUNDARY BIGGEST_ALIGNMENT
/* Allocation boundary (in *bits*) for the code of a function.
32 bit alignment is faster, because instructions are always fetched as a
pair from a longword boundary. */
-#define FUNCTION_BOUNDARY (TARGET_SMALLCODE ? 16 : (1 << CACHE_LOG) * 8)
+#define FUNCTION_BOUNDARY \
+ (TARGET_SMALLCODE ? 16 << TARGET_SHMEDIA : (1 << CACHE_LOG) * 8)
+
+/* On SH5, the lowest bit is used to indicate SHmedia functions, so
+ the vbit must go into the delta field of
+ pointers-to-member-functions. */
+#define TARGET_PTRMEMFUNC_VBIT_LOCATION \
+ (TARGET_SH5 ? ptrmemfunc_vbit_in_delta : ptrmemfunc_vbit_in_pfn)
/* Alignment of field after `int : 0' in a structure. */
#define EMPTY_FIELD_BOUNDARY 32
#define BIGGEST_ALIGNMENT (TARGET_ALIGN_DOUBLE ? 64 : 32)
/* The best alignment to use in cases where we have a choice. */
-#define FASTEST_ALIGNMENT 32
+#define FASTEST_ALIGNMENT (TARGET_SH5 ? 64 : 32)
/* Make strings word-aligned so strcpy from constants will be faster. */
#define CONSTANT_ALIGNMENT(EXP, ALIGN) \
&& (ALIGN) < FASTEST_ALIGNMENT) \
? FASTEST_ALIGNMENT : (ALIGN))
-#ifndef MAX_OFILE_ALIGNMENT
-#define MAX_OFILE_ALIGNMENT 128
-#endif
-
/* Make arrays of chars word-aligned for the same reasons. */
#define DATA_ALIGNMENT(TYPE, ALIGN) \
(TREE_CODE (TYPE) == ARRAY_TYPE \
(PREV_INSN (A_LABEL) \
&& GET_CODE (PREV_INSN (A_LABEL)) == INSN \
&& GET_CODE (PATTERN (PREV_INSN (A_LABEL))) == UNSPEC_VOLATILE \
- && XINT (PATTERN (PREV_INSN (A_LABEL)), 1) == 1) \
- /* explicit alignment insn in constant tables. */ \
+ && XINT (PATTERN (PREV_INSN (A_LABEL)), 1) == UNSPECV_ALIGN) \
+ /* explicit alignment insn in constant tables. */ \
? INTVAL (XVECEXP (PATTERN (PREV_INSN (A_LABEL)), 0, 0)) \
: 0)
/* The base two logarithm of the known minimum alignment of an insn length. */
#define INSN_LENGTH_ALIGNMENT(A_INSN) \
(GET_CODE (A_INSN) == INSN \
- ? 1 \
+ ? 1 << TARGET_SHMEDIA \
: GET_CODE (A_INSN) == JUMP_INSN || GET_CODE (A_INSN) == CALL_INSN \
- ? 1 \
+ ? 1 << TARGET_SHMEDIA \
: CACHE_LOG)
\f
/* Standard register usage. */
fr4..fr11 fp args in
fr12..fr15 call saved floating point registers */
+#define MAX_REGISTER_NAME_LENGTH 5
+extern char sh_register_names[][MAX_REGISTER_NAME_LENGTH + 1];
+
+#define SH_REGISTER_NAMES_INITIALIZER \
+{ \
+ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
+ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \
+ "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \
+ "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", \
+ "r32", "r33", "r34", "r35", "r36", "r37", "r38", "r39", \
+ "r40", "r41", "r42", "r43", "r44", "r45", "r46", "r47", \
+ "r48", "r49", "r50", "r51", "r52", "r53", "r54", "r55", \
+ "r56", "r57", "r58", "r59", "r60", "r61", "r62", "r63", \
+ "fr0", "fr1", "fr2", "fr3", "fr4", "fr5", "fr6", "fr7", \
+ "fr8", "fr9", "fr10", "fr11", "fr12", "fr13", "fr14", "fr15", \
+ "fr16", "fr17", "fr18", "fr19", "fr20", "fr21", "fr22", "fr23", \
+ "fr24", "fr25", "fr26", "fr27", "fr28", "fr29", "fr30", "fr31", \
+ "fr32", "fr33", "fr34", "fr35", "fr36", "fr37", "fr38", "fr39", \
+ "fr40", "fr41", "fr42", "fr43", "fr44", "fr45", "fr46", "fr47", \
+ "fr48", "fr49", "fr50", "fr51", "fr52", "fr53", "fr54", "fr55", \
+ "fr56", "fr57", "fr58", "fr59", "fr60", "fr61", "fr62", "fr63", \
+ "tr0", "tr1", "tr2", "tr3", "tr4", "tr5", "tr6", "tr7", \
+ "xd0", "xd2", "xd4", "xd6", "xd8", "xd10", "xd12", "xd14", \
+ "gbr", "ap", "pr", "t", "mach", "macl", "fpul", "fpscr", \
+ "rap" \
+}
+
+#define DEBUG_REGISTER_NAMES SH_REGISTER_NAMES_INITIALIZER
+
+#define REGNAMES_ARR_INDEX_1(index) \
+ (sh_register_names[index])
+#define REGNAMES_ARR_INDEX_2(index) \
+ REGNAMES_ARR_INDEX_1 ((index)), REGNAMES_ARR_INDEX_1 ((index)+1)
+#define REGNAMES_ARR_INDEX_4(index) \
+ REGNAMES_ARR_INDEX_2 ((index)), REGNAMES_ARR_INDEX_2 ((index)+2)
+#define REGNAMES_ARR_INDEX_8(index) \
+ REGNAMES_ARR_INDEX_4 ((index)), REGNAMES_ARR_INDEX_4 ((index)+4)
+#define REGNAMES_ARR_INDEX_16(index) \
+ REGNAMES_ARR_INDEX_8 ((index)), REGNAMES_ARR_INDEX_8 ((index)+8)
+#define REGNAMES_ARR_INDEX_32(index) \
+ REGNAMES_ARR_INDEX_16 ((index)), REGNAMES_ARR_INDEX_16 ((index)+16)
+#define REGNAMES_ARR_INDEX_64(index) \
+ REGNAMES_ARR_INDEX_32 ((index)), REGNAMES_ARR_INDEX_32 ((index)+32)
+
+#define REGISTER_NAMES \
+{ \
+ REGNAMES_ARR_INDEX_64 (0), \
+ REGNAMES_ARR_INDEX_64 (64), \
+ REGNAMES_ARR_INDEX_8 (128), \
+ REGNAMES_ARR_INDEX_8 (136), \
+ REGNAMES_ARR_INDEX_8 (144), \
+ REGNAMES_ARR_INDEX_1 (152) \
+}
+
+#define ADDREGNAMES_SIZE 32
+#define MAX_ADDITIONAL_REGISTER_NAME_LENGTH 4
+extern char sh_additional_register_names[ADDREGNAMES_SIZE] \
+ [MAX_ADDITIONAL_REGISTER_NAME_LENGTH + 1];
+
+#define SH_ADDITIONAL_REGISTER_NAMES_INITIALIZER \
+{ \
+ "dr0", "dr2", "dr4", "dr6", "dr8", "dr10", "dr12", "dr14", \
+ "dr16", "dr18", "dr20", "dr22", "dr24", "dr26", "dr28", "dr30", \
+ "dr32", "dr34", "dr36", "dr38", "dr40", "dr42", "dr44", "dr46", \
+ "dr48", "dr50", "dr52", "dr54", "dr56", "dr58", "dr60", "dr62" \
+}
+
+#define ADDREGNAMES_REGNO(index) \
+ ((index < 32) ? (FIRST_FP_REG + (index) * 2) \
+ : (-1))
+
+#define ADDREGNAMES_ARR_INDEX_1(index) \
+ { (sh_additional_register_names[index]), ADDREGNAMES_REGNO (index) }
+#define ADDREGNAMES_ARR_INDEX_2(index) \
+ ADDREGNAMES_ARR_INDEX_1 ((index)), ADDREGNAMES_ARR_INDEX_1 ((index)+1)
+#define ADDREGNAMES_ARR_INDEX_4(index) \
+ ADDREGNAMES_ARR_INDEX_2 ((index)), ADDREGNAMES_ARR_INDEX_2 ((index)+2)
+#define ADDREGNAMES_ARR_INDEX_8(index) \
+ ADDREGNAMES_ARR_INDEX_4 ((index)), ADDREGNAMES_ARR_INDEX_4 ((index)+4)
+#define ADDREGNAMES_ARR_INDEX_16(index) \
+ ADDREGNAMES_ARR_INDEX_8 ((index)), ADDREGNAMES_ARR_INDEX_8 ((index)+8)
+#define ADDREGNAMES_ARR_INDEX_32(index) \
+ ADDREGNAMES_ARR_INDEX_16 ((index)), ADDREGNAMES_ARR_INDEX_16 ((index)+16)
+
+#define ADDITIONAL_REGISTER_NAMES \
+{ \
+ ADDREGNAMES_ARR_INDEX_32 (0) \
+}
+
/* 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. */
-#define AP_REG 16
-#define PR_REG 17
-#define T_REG 18
-#define GBR_REG 19
-#define MACH_REG 20
-#define MACL_REG 21
-#define SPECIAL_REG(REGNO) ((REGNO) >= 18 && (REGNO) <= 21)
-#define FPUL_REG 22
-#define RAP_REG 23
-#define FIRST_FP_REG 24
-#define LAST_FP_REG 39
-#define FIRST_XD_REG 40
-#define LAST_XD_REG 47
-#define FPSCR_REG 48
-
-#define FIRST_PSEUDO_REGISTER 49
+/* There are many other relevant definitions in sh.md's md_constants. */
+
+#define FIRST_GENERAL_REG R0_REG
+#define LAST_GENERAL_REG (FIRST_GENERAL_REG + (TARGET_SHMEDIA ? 63 : 15))
+#define FIRST_FP_REG DR0_REG
+#define LAST_FP_REG (FIRST_FP_REG + \
+ (TARGET_SHMEDIA_FPU ? 63 : TARGET_SH3E ? 15 : -1))
+#define FIRST_XD_REG XD0_REG
+#define LAST_XD_REG (FIRST_XD_REG + ((TARGET_SH4 && TARGET_FMOVD) ? 7 : -1))
+#define FIRST_TARGET_REG TR0_REG
+#define LAST_TARGET_REG (FIRST_TARGET_REG + (TARGET_SHMEDIA ? 7 : -1))
+
+#define GENERAL_REGISTER_P(REGNO) \
+ IN_RANGE ((REGNO), FIRST_GENERAL_REG, LAST_GENERAL_REG)
+
+#define GENERAL_OR_AP_REGISTER_P(REGNO) \
+ (GENERAL_REGISTER_P (REGNO) || ((REGNO) == AP_REG))
+
+#define FP_REGISTER_P(REGNO) \
+ ((REGNO) >= FIRST_FP_REG && (REGNO) <= LAST_FP_REG)
+
+#define XD_REGISTER_P(REGNO) \
+ ((REGNO) >= FIRST_XD_REG && (REGNO) <= LAST_XD_REG)
+
+#define FP_OR_XD_REGISTER_P(REGNO) \
+ (FP_REGISTER_P (REGNO) || XD_REGISTER_P (REGNO))
+
+#define FP_ANY_REGISTER_P(REGNO) \
+ (FP_REGISTER_P (REGNO) || XD_REGISTER_P (REGNO) || (REGNO) == FPUL_REG)
+
+#define SPECIAL_REGISTER_P(REGNO) \
+ ((REGNO) == GBR_REG || (REGNO) == T_REG \
+ || (REGNO) == MACH_REG || (REGNO) == MACL_REG)
+
+#define TARGET_REGISTER_P(REGNO) \
+ ((REGNO) >= FIRST_TARGET_REG && (REGNO) <= LAST_TARGET_REG)
+
+#define SHMEDIA_REGISTER_P(REGNO) \
+ (GENERAL_REGISTER_P (REGNO) || FP_REGISTER_P (REGNO) \
+ || TARGET_REGISTER_P (REGNO))
+
+/* This is to be used in CONDITIONAL_REGISTER_USAGE, to mark registers
+ that should be fixed. */
+#define VALID_REGISTER_P(REGNO) \
+ (SHMEDIA_REGISTER_P (REGNO) || XD_REGISTER_P (REGNO) \
+ || (REGNO) == AP_REG || (REGNO) == RAP_REG \
+ || (TARGET_SH1 && (SPECIAL_REGISTER_P (REGNO) || (REGNO) == PR_REG)) \
+ || (TARGET_SH3E && (REGNO) == FPUL_REG))
+
+/* The mode that should be generally used to store a register by
+ itself in the stack, or to load it back. */
+#define REGISTER_NATURAL_MODE(REGNO) \
+ (FP_REGISTER_P (REGNO) ? SFmode \
+ : XD_REGISTER_P (REGNO) ? DFmode \
+ : TARGET_SHMEDIA && ! HARD_REGNO_CALL_PART_CLOBBERED ((REGNO), DImode) \
+ ? DImode \
+ : SImode)
+
+#define FIRST_PSEUDO_REGISTER 153
/* 1 for registers that have pervasive standard uses
and are not available for the register allocator.
Mach register is fixed 'cause it's only 10 bits wide for SH1.
It is 32 bits wide for SH2. */
-#define FIXED_REGISTERS \
- { 0, 0, 0, 0, \
- 0, 0, 0, 0, \
- 0, 0, 0, 0, \
- 0, 0, 0, 1, \
- 1, 1, 1, 1, \
- 1, 1, 0, 1, \
- 0, 0, 0, 0, \
- 0, 0, 0, 0, \
- 0, 0, 0, 0, \
- 0, 0, 0, 0, \
- 0, 0, 0, 0, \
- 0, 0, 0, 0, \
- 1, \
+#define FIXED_REGISTERS \
+{ \
+/* Regular registers. */ \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 1, \
+ /* r16 is reserved, r18 is the former pr. */ \
+ 1, 0, 0, 0, 0, 0, 0, 0, \
+ /* r24 is reserved for the OS; r25, for the assembler or linker. */ \
+ /* r26 is a global variable data pointer; r27 is for constants. */ \
+ 1, 1, 1, 1, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 1, \
+/* FP registers. */ \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+/* Branch target registers. */ \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+/* XD registers. */ \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+/*"gbr", "ap", "pr", "t", "mach", "macl", "fpul", "fpscr", */ \
+ 1, 1, 1, 1, 1, 1, 0, 1, \
+/*"rap" */ \
+ 1, \
}
/* 1 for registers not available across function calls.
and the register where structure-value addresses are passed.
Aside from that, you can include as many other registers as you like. */
-#define CALL_USED_REGISTERS \
- { 1, 1, 1, 1, \
- 1, 1, 1, 1, \
- 0, 0, 0, 0, \
- 0, 0, 0, 1, \
- 1, 0, 1, 1, \
- 1, 1, 1, 1, \
- 1, 1, 1, 1, \
- 1, 1, 1, 1, \
- 1, 1, 1, 1, \
- 0, 0, 0, 0, \
- 1, 1, 1, 1, \
- 1, 1, 0, 0, \
- 1, \
+#define CALL_USED_REGISTERS \
+{ \
+/* Regular registers. */ \
+ 1, 1, 1, 1, 1, 1, 1, 1, \
+ /* R8 and R9 are call-clobbered on SH5, but not on earlier SH ABIs. \
+ Only the lower 32bits of R10-R14 are guaranteed to be preserved \
+ across SH5 function calls. */ \
+ 0, 0, 0, 0, 0, 0, 0, 1, \
+ 1, 1, 0, 1, 1, 1, 1, 1, \
+ 1, 1, 1, 1, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 1, 1, 1, 1, \
+ 1, 1, 1, 1, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 1, 1, 1, 1, \
+/* FP registers. */ \
+ 1, 1, 1, 1, 1, 1, 1, 1, \
+ 1, 1, 1, 1, 0, 0, 0, 0, \
+ 1, 1, 1, 1, 1, 1, 1, 1, \
+ 1, 1, 1, 1, 1, 1, 1, 1, \
+ 1, 1, 1, 1, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+/* Branch target registers. */ \
+ 1, 1, 1, 1, 1, 0, 0, 0, \
+/* XD registers. */ \
+ 1, 1, 1, 1, 1, 1, 0, 0, \
+/*"gbr", "ap", "pr", "t", "mach", "macl", "fpul", "fpscr", */ \
+ 1, 1, 0, 1, 1, 1, 1, 1, \
+/*"rap" */ \
+ 1, \
}
+/* Only the lower 32-bits of R10-R14 are guaranteed to be preserved
+ across SHcompact function calls. We can't tell whether a called
+ function is SHmedia or SHcompact, so we assume it may be when
+ compiling SHmedia code with the 32-bit ABI, since that's the only
+ ABI that can be linked with SHcompact code. */
+#define HARD_REGNO_CALL_PART_CLOBBERED(REGNO,MODE) \
+ (TARGET_SHMEDIA32 \
+ && GET_MODE_SIZE (MODE) > 4 \
+ && (((REGNO) >= FIRST_GENERAL_REG + 10 \
+ && (REGNO) <= FIRST_GENERAL_REG + 14) \
+ || (REGNO) == PR_MEDIA_REG))
+
/* Return number of consecutive hard regs needed starting at reg REGNO
to hold something of mode MODE.
This is ordinarily the length in words of a value of mode MODE
On the SH all but the XD regs are UNITS_PER_WORD bits wide. */
#define HARD_REGNO_NREGS(REGNO, MODE) \
- ((REGNO) >= FIRST_XD_REG && (REGNO) <= LAST_XD_REG \
+ (XD_REGISTER_P (REGNO) \
? (GET_MODE_SIZE (MODE) / (2 * UNITS_PER_WORD)) \
+ : (TARGET_SHMEDIA && FP_REGISTER_P (REGNO)) \
+ ? ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD/2 - 1) / (UNITS_PER_WORD/2)) \
: ((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.
and a secondary reload to reload from / to general regs; that
seems to be a loosing proposition. */
#define HARD_REGNO_MODE_OK(REGNO, MODE) \
- (SPECIAL_REG (REGNO) ? (MODE) == SImode \
+ (SPECIAL_REGISTER_P (REGNO) ? (MODE) == SImode \
: (REGNO) == FPUL_REG ? (MODE) == SImode || (MODE) == SFmode \
- : (REGNO) >= FIRST_FP_REG && (REGNO) <= LAST_FP_REG && (MODE) == SFmode \
+ : FP_REGISTER_P (REGNO) && (MODE) == SFmode \
? 1 \
- : (REGNO) >= FIRST_FP_REG && (REGNO) <= LAST_FP_REG \
+ : (MODE) == V2SFmode \
+ ? (FP_REGISTER_P (REGNO) && ((REGNO) - FIRST_FP_REG) % 2 == 0) \
+ : (MODE) == V4SFmode \
+ ? (FP_REGISTER_P (REGNO) && ((REGNO) - FIRST_FP_REG) % 4 == 0) \
+ : (MODE) == V16SFmode \
+ ? (TARGET_SHMEDIA \
+ ? (FP_REGISTER_P (REGNO) && ((REGNO) - FIRST_FP_REG) % 16 == 0) \
+ : (REGNO) == FIRST_XD_REG) \
+ : FP_REGISTER_P (REGNO) \
? ((MODE) == SFmode \
- || (TARGET_SH3E && (MODE) == SCmode) \
- || (((TARGET_SH4 && (MODE) == DFmode) || (MODE) == DCmode) \
+ || (TARGET_SHMEDIA && (MODE) == SImode) \
+ || ((TARGET_SH3E || TARGET_SHMEDIA) && (MODE) == SCmode) \
+ || (((TARGET_SH4 && (MODE) == DFmode) || (MODE) == DCmode \
+ || (TARGET_SHMEDIA && ((MODE) == DFmode || (MODE) == DImode \
+ || (MODE) == V2SFmode))) \
&& (((REGNO) - FIRST_FP_REG) & 1) == 0)) \
- : (REGNO) >= FIRST_XD_REG && (REGNO) <= LAST_XD_REG \
+ : XD_REGISTER_P (REGNO) \
? (MODE) == DFmode \
+ : TARGET_REGISTER_P (REGNO) \
+ ? ((MODE) == DImode || (MODE) == SImode) \
: (REGNO) == PR_REG ? 0 \
: (REGNO) == FPSCR_REG ? (MODE) == PSImode \
: 1)
+/* Value is 1 if MODE is a supported vector mode. */
+#define VECTOR_MODE_SUPPORTED_P(MODE) \
+ ((TARGET_FPU_ANY \
+ && ((MODE) == V2SFmode || (MODE) == V4SFmode || (MODE) == V16SFmode)) \
+ || (TARGET_SHMEDIA \
+ && ((MODE) == V8QImode || (MODE) == V2HImode || (MODE) == V4HImode \
+ || (MODE) == V2SImode)))
+
/* 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. */
+ for any hard reg, then this must be 0 for correct output.
+ That's the case for xd registers: we don't hold SFmode values in
+ them, so we can't tie an SFmode pseudos with one in another
+ floating-point mode. */
#define MODES_TIEABLE_P(MODE1, MODE2) \
- ((MODE1) == (MODE2) || GET_MODE_CLASS (MODE1) == GET_MODE_CLASS (MODE2))
+ ((MODE1) == (MODE2) \
+ || (GET_MODE_CLASS (MODE1) == GET_MODE_CLASS (MODE2) \
+ && (TARGET_SHMEDIA ? ((GET_MODE_SIZE (MODE1) <= 4) \
+ && (GET_MODE_SIZE (MODE2) <= 4)) \
+ : ((MODE1) != SFmode && (MODE2) != SFmode))))
+
+/* 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) \
+ sh_hard_regno_rename_ok (OLD_REG, NEW_REG)
/* Specify the registers used for certain standard purposes.
The values of these macros are register numbers. */
/* #define PC_REGNUM 15*/
/* Register to use for pushing function arguments. */
-#define STACK_POINTER_REGNUM 15
+#define STACK_POINTER_REGNUM SP_REG
/* Base register for access to local variables of the function. */
-#define FRAME_POINTER_REGNUM 14
+#define FRAME_POINTER_REGNUM FP_REG
/* Fake register that holds the address on the stack of the
current function's return address. */
-#define RETURN_ADDRESS_POINTER_REGNUM 23
+#define RETURN_ADDRESS_POINTER_REGNUM RAP_REG
/* Register to hold the addressing base for position independent
code access to data items. */
-#define PIC_OFFSET_TABLE_REGNUM 12
+#define PIC_OFFSET_TABLE_REGNUM (flag_pic ? PIC_REG : INVALID_REGNUM)
#define GOT_SYMBOL_NAME "*_GLOBAL_OFFSET_TABLE_"
OFFSET = initial_elimination_offset ((FROM), (TO))
/* Base register for access to arguments of the function. */
-#define ARG_POINTER_REGNUM 16
+#define ARG_POINTER_REGNUM AP_REG
/* Register in which the static-chain is passed to a function. */
-#define STATIC_CHAIN_REGNUM 13
+#define STATIC_CHAIN_REGNUM (TARGET_SH5 ? 1 : 3)
/* The register in which a struct value address is passed. */
(TARGET_HITACHI ? 0 : gen_rtx_REG (Pmode, STRUCT_VALUE_REGNUM))
#define RETURN_IN_MEMORY(TYPE) \
- (TYPE_MODE (TYPE) == BLKmode \
- || TARGET_HITACHI && TREE_CODE (TYPE) == RECORD_TYPE)
+ (TARGET_SH5 \
+ ? ((TYPE_MODE (TYPE) == BLKmode \
+ ? (unsigned HOST_WIDE_INT) int_size_in_bytes (TYPE) \
+ : GET_MODE_SIZE (TYPE_MODE (TYPE))) > 8) \
+ : (TYPE_MODE (TYPE) == BLKmode \
+ || TARGET_HITACHI && TREE_CODE (TYPE) == RECORD_TYPE))
/* Don't default to pcc-struct-return, because we have already specified
exactly how to return structures in the RETURN_IN_MEMORY macro. */
#define DEFAULT_PCC_STRUCT_RETURN 0
+
+#define SHMEDIA_REGS_STACK_ADJUST() \
+ (TARGET_SHCOMPACT && current_function_has_nonlocal_label \
+ ? (8 * (/* r28-r35 */ 8 + /* r44-r59 */ 16 + /* tr5-tr7 */ 3) \
+ + (TARGET_FPU_ANY ? 4 * (/* fr36 - fr63 */ 28) : 0)) \
+ : 0)
+
\f
/* Define the classes of registers for register constraints in the
machine description. Also define ranges of constants.
T_REGS,
MAC_REGS,
FPUL_REGS,
+ SIBCALL_REGS,
GENERAL_REGS,
FP0_REGS,
FP_REGS,
DF_REGS,
FPSCR_REGS,
GENERAL_FP_REGS,
+ TARGET_REGS,
ALL_REGS,
LIM_REG_CLASSES
};
"T_REGS", \
"MAC_REGS", \
"FPUL_REGS", \
+ "SIBCALL_REGS", \
"GENERAL_REGS", \
"FP0_REGS", \
"FP_REGS", \
"DF_REGS", \
"FPSCR_REGS", \
"GENERAL_FP_REGS", \
+ "TARGET_REGS", \
"ALL_REGS", \
}
This is an initializer for a vector of HARD_REG_SET
of length N_REG_CLASSES. */
-#define REG_CLASS_CONTENTS \
-{ \
- { 0x00000000, 0x00000000 }, /* NO_REGS */ \
- { 0x00000001, 0x00000000 }, /* R0_REGS */ \
- { 0x00020000, 0x00000000 }, /* PR_REGS */ \
- { 0x00040000, 0x00000000 }, /* T_REGS */ \
- { 0x00300000, 0x00000000 }, /* MAC_REGS */ \
- { 0x00400000, 0x00000000 }, /* FPUL_REGS */ \
- { 0x0081FFFF, 0x00000000 }, /* GENERAL_REGS */ \
- { 0x01000000, 0x00000000 }, /* FP0_REGS */ \
- { 0xFF000000, 0x000000FF }, /* FP_REGS */ \
- { 0xFF000000, 0x0000FFFF }, /* DF_REGS */ \
- { 0x00000000, 0x00010000 }, /* FPSCR_REGS */ \
- { 0xFF81FFFF, 0x0000FFFF }, /* GENERAL_FP_REGS */ \
- { 0xFFFFFFFF, 0x0001FFFF }, /* ALL_REGS */ \
-}
+#define REG_CLASS_CONTENTS \
+{ \
+/* NO_REGS: */ \
+ { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, \
+/* R0_REGS: */ \
+ { 0x00000001, 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, \
+/* PR_REGS: */ \
+ { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00040000 }, \
+/* T_REGS: */ \
+ { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00080000 }, \
+/* MAC_REGS: */ \
+ { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00300000 }, \
+/* FPUL_REGS: */ \
+ { 0x00000000, 0x00000000, 0x00000000, 0x00000001, 0x00400000 }, \
+/* SIBCALL_REGS: Initialized in CONDITIONAL_REGISTER_USAGE. */ \
+ { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000 }, \
+/* GENERAL_REGS: */ \
+ { 0xffffffff, 0xffffffff, 0x00000000, 0x00000000, 0x01020000 }, \
+/* FP0_REGS: */ \
+ { 0x00000000, 0x00000000, 0x00000001, 0x00000000, 0x00000000 }, \
+/* FP_REGS: */ \
+ { 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0x00000000 }, \
+/* DF_REGS: */ \
+ { 0x00000000, 0x00000000, 0xffffffff, 0xffffffff, 0x0000ff00 }, \
+/* FPSCR_REGS: */ \
+ { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00800000 }, \
+/* GENERAL_FP_REGS: */ \
+ { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0x0102ff00 }, \
+/* TARGET_REGS: */ \
+ { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x000000ff }, \
+/* ALL_REGS: */ \
+ { 0xffffffff, 0xffffffff, 0xffffffff, 0xffffffff, 0x01ffffff }, \
+}
/* 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. */
-extern int regno_reg_class[];
+extern int regno_reg_class[FIRST_PSEUDO_REGISTER];
#define REGNO_REG_CLASS(REGNO) regno_reg_class[(REGNO)]
/* When defined, 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 SMALL_REGISTER_CLASSES 1
+#define SMALL_REGISTER_CLASSES (! TARGET_SHMEDIA)
/* The order in which register should be allocated. */
/* Sometimes FP0_REGS becomes the preferred class of a floating point pseudo,
and GENERAL_FP_REGS the alternate class. Since FP0 is likely to be
spilled or used otherwise, we better have the FP_REGS allocated first. */
#define REG_ALLOC_ORDER \
- { 25,26,27,28,29,30,31,24,32,33,34,35,36,37,38,39, \
- 40,41,42,43,44,45,46,47,48, \
- 1,2,3,7,6,5,4,0,8,9,10,11,12,13,14, \
- 22,15,16,17,18,19,20,21,23 }
+ { 65, 66, 67, 68, 69, 70, 71, 64, \
+ 72, 73, 74, 75, 76, 77, 78, 79, \
+ 136,137,138,139,140,141,142,143, \
+ 80, 81, 82, 83, 84, 85, 86, 87, \
+ 88, 89, 90, 91, 92, 93, 94, 95, \
+ 96, 97, 98, 99,100,101,102,103, \
+ 104,105,106,107,108,109,110,111, \
+ 112,113,114,115,116,117,118,119, \
+ 120,121,122,123,124,125,126,127, \
+ 151, 1, 2, 3, 7, 6, 5, 4, \
+ 0, 8, 9, 10, 11, 12, 13, 14, \
+ 16, 17, 18, 19, 20, 21, 22, 23, \
+ 24, 25, 26, 27, 28, 29, 30, 31, \
+ 32, 33, 34, 35, 36, 37, 38, 39, \
+ 40, 41, 42, 43, 44, 45, 46, 47, \
+ 48, 49, 50, 51, 52, 53, 54, 55, \
+ 56, 57, 58, 59, 60, 61, 62, 63, \
+ 150, 15,145,146,147,144,148,149, \
+ 128,129,130,131,132,133,134,135, \
+ 152 }
/* The class value for index registers, and the one for base regs. */
-#define INDEX_REG_CLASS R0_REGS
+#define INDEX_REG_CLASS (TARGET_SHMEDIA ? GENERAL_REGS : R0_REGS)
#define BASE_REG_CLASS GENERAL_REGS
/* Get reg_class from a letter such as appears in the machine
description. */
-extern enum reg_class reg_class_from_letter[];
+extern const enum reg_class reg_class_from_letter[];
#define REG_CLASS_FROM_LETTER(C) \
- ( (C) >= 'a' && (C) <= 'z' ? reg_class_from_letter[(C)-'a'] : NO_REGS )
+ ( ISLOWER (C) ? reg_class_from_letter[(C)-'a'] : NO_REGS )
\f
/* The letters I, J, K, L and M in a register constraint string
can be used to stand for particular ranges of immediate operands.
C is the letter, and VALUE is a constant value.
Return 1 if VALUE is in the range specified by C.
I: arithmetic operand -127..128, as used in add, sub, etc
+ J: arithmetic operand -32768..32767, as used in SHmedia movi and shori
K: shift operand 1,2,8 or 16
L: logical operand 0..255, as used in and, or, etc.
M: constant 1
- N: constant 0 */
+ N: constant 0
+ O: arithmetic operand -32..31, as used in SHmedia beqi, bnei and xori
+ P: arithmetic operand -512..511, as used in SHmedia andi, ori
+*/
#define CONST_OK_FOR_I(VALUE) (((HOST_WIDE_INT)(VALUE))>= -128 \
&& ((HOST_WIDE_INT)(VALUE)) <= 127)
+#define CONST_OK_FOR_J(VALUE) (((HOST_WIDE_INT)(VALUE)) >= -32768 \
+ && ((HOST_WIDE_INT)(VALUE)) <= 32767)
#define CONST_OK_FOR_K(VALUE) ((VALUE)==1||(VALUE)==2||(VALUE)==8||(VALUE)==16)
#define CONST_OK_FOR_L(VALUE) (((HOST_WIDE_INT)(VALUE))>= 0 \
&& ((HOST_WIDE_INT)(VALUE)) <= 255)
#define CONST_OK_FOR_M(VALUE) ((VALUE)==1)
#define CONST_OK_FOR_N(VALUE) ((VALUE)==0)
+#define CONST_OK_FOR_O(VALUE) (((HOST_WIDE_INT)(VALUE)) >= -32 \
+ && ((HOST_WIDE_INT)(VALUE)) <= 31)
+#define CONST_OK_FOR_P(VALUE) (((HOST_WIDE_INT)(VALUE)) >= -512 \
+ && ((HOST_WIDE_INT)(VALUE)) <= 511)
#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.
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 PREFERRED_RELOAD_CLASS(X, CLASS) \
+ ((CLASS) == NO_REGS && TARGET_SHMEDIA \
+ && (GET_CODE (X) == CONST_DOUBLE \
+ || GET_CODE (X) == SYMBOL_REF) \
+ ? GENERAL_REGS \
+ : (CLASS)) \
#define SECONDARY_OUTPUT_RELOAD_CLASS(CLASS,MODE,X) \
((((((CLASS) == FP_REGS || (CLASS) == FP0_REGS \
|| (CLASS) == DF_REGS) \
- && (GET_CODE (X) == REG && REGNO (X) <= AP_REG)) \
+ && (GET_CODE (X) == REG && GENERAL_OR_AP_REGISTER_P (REGNO (X)))) \
|| (((CLASS) == GENERAL_REGS || (CLASS) == R0_REGS) \
&& GET_CODE (X) == REG \
- && REGNO (X) >= FIRST_FP_REG && REGNO (X) <= LAST_FP_REG)) \
+ && FP_REGISTER_P (REGNO (X)))) \
+ && ! TARGET_SHMEDIA \
&& MODE == SFmode) \
? FPUL_REGS \
: ((CLASS) == FPUL_REGS \
&& (GET_CODE (X) == MEM \
|| (GET_CODE (X) == REG \
&& (REGNO (X) >= FIRST_PSEUDO_REGISTER \
+ || REGNO (X) == T_REG \
|| system_reg_operand (X, VOIDmode))))) \
? GENERAL_REGS \
+ : (((CLASS) == FP_REGS || (CLASS) == DF_REGS) && TARGET_SHMEDIA \
+ && immediate_operand ((X), (MODE))) \
+ ? GENERAL_REGS \
+ : ((CLASS) == TARGET_REGS \
+ || (TARGET_SHMEDIA && (CLASS) == SIBCALL_REGS)) \
+ ? ((target_operand ((X), (MODE)) \
+ && ! target_reg_operand ((X), (MODE))) \
+ ? NO_REGS : GENERAL_REGS) \
: (((CLASS) == MAC_REGS || (CLASS) == PR_REGS) \
- && GET_CODE (X) == REG && REGNO (X) > 15 \
+ && GET_CODE (X) == REG && ! GENERAL_REGISTER_P (REGNO (X)) \
&& (CLASS) != REGNO_REG_CLASS (REGNO (X))) \
? GENERAL_REGS : NO_REGS)
#define SECONDARY_INPUT_RELOAD_CLASS(CLASS,MODE,X) \
((((CLASS) == FP_REGS || (CLASS) == FP0_REGS || (CLASS) == DF_REGS) \
+ && ! TARGET_SHMEDIA \
&& immediate_operand ((X), (MODE)) \
&& ! ((fp_zero_operand (X) || fp_one_operand (X)) \
&& (MODE) == SFmode && fldi_ok ())) \
? R0_REGS \
+ : (CLASS == FPUL_REGS \
+ && ((GET_CODE (X) == REG \
+ && (REGNO (X) == MACL_REG || REGNO (X) == MACH_REG \
+ || REGNO (X) == T_REG)))) \
+ ? GENERAL_REGS \
: CLASS == FPUL_REGS && immediate_operand ((X), (MODE)) \
? (GET_CODE (X) == CONST_INT && CONST_OK_FOR_I (INTVAL (X)) \
? GENERAL_REGS \
These macros are used only in other macro definitions below. */
#define NPARM_REGS(MODE) \
- (TARGET_SH3E && (MODE) == SFmode \
- ? 8 \
+ (TARGET_FPU_ANY && (MODE) == SFmode \
+ ? (TARGET_SH5 ? 12 : 8) \
: TARGET_SH4 && (GET_MODE_CLASS (MODE) == MODE_FLOAT \
|| GET_MODE_CLASS (MODE) == MODE_COMPLEX_FLOAT) \
- ? 8 \
- : 4)
+ ? (TARGET_SH5 ? 12 : 8) \
+ : (TARGET_SH5 ? 8 : 4))
-#define FIRST_PARM_REG 4
-#define FIRST_RET_REG 0
+#define FIRST_PARM_REG (FIRST_GENERAL_REG + (TARGET_SH5 ? 2 : 4))
+#define FIRST_RET_REG (FIRST_GENERAL_REG + (TARGET_SH5 ? 2 : 0))
-#define FIRST_FP_PARM_REG (FIRST_FP_REG + 4)
+#define FIRST_FP_PARM_REG (FIRST_FP_REG + (TARGET_SH5 ? 0 : 4))
#define FIRST_FP_RET_REG FIRST_FP_REG
/* Define this if pushing a word on the stack
on the stack. */
#define RETURN_POPS_ARGS(FUNDECL,FUNTYPE,SIZE) 0
+/* Value is the number of bytes of arguments automatically popped when
+ calling a subroutine.
+ CUM is the accumulated argument list.
+
+ On SHcompact, the call trampoline pops arguments off the stack. */
+#define CALL_POPS_ARGS(CUM) (TARGET_SHCOMPACT ? (CUM).stack_regs * 8 : 0)
+
/* Nonzero if we do not know how to pass TYPE solely in registers.
Values that come in registers with inconvenient padding are stored
to memory at the function start. */
((TYPE) != 0 \
&& (TREE_CODE (TYPE_SIZE (TYPE)) != INTEGER_CST \
|| TREE_ADDRESSABLE (TYPE)))
-/* Some subroutine macros specific to this machine. */
+/* Some subroutine macros specific to this machine. */
#define BASE_RETURN_VALUE_REG(MODE) \
- ((TARGET_SH3E && ((MODE) == SFmode)) \
+ ((TARGET_FPU_ANY && ((MODE) == SFmode)) \
? FIRST_FP_RET_REG \
- : TARGET_SH3E && (MODE) == SCmode \
+ : TARGET_FPU_ANY && (MODE) == SCmode \
? FIRST_FP_RET_REG \
- : (TARGET_SH4 \
+ : (TARGET_FPU_DOUBLE \
&& ((MODE) == DFmode || (MODE) == SFmode \
|| (MODE) == DCmode || (MODE) == SCmode )) \
? FIRST_FP_RET_REG \
|| TREE_CODE (VALTYPE) == CHAR_TYPE \
|| TREE_CODE (VALTYPE) == REAL_TYPE \
|| TREE_CODE (VALTYPE) == OFFSET_TYPE)) \
- ? SImode : TYPE_MODE (VALTYPE)), \
+ ? (TARGET_SHMEDIA ? DImode : SImode) : TYPE_MODE (VALTYPE)), \
BASE_RETURN_VALUE_REG (TYPE_MODE (VALTYPE)))
/* Define how to find the value returned by a library function
#define LIBCALL_VALUE(MODE) \
gen_rtx_REG ((MODE), BASE_RETURN_VALUE_REG (MODE));
-/* 1 if N is a possible register number for a function value. */
+/* 1 if N is a possible register number for a function value. */
#define FUNCTION_VALUE_REGNO_P(REGNO) \
- ((REGNO) == FIRST_RET_REG || (TARGET_SH3E && (REGNO) == FIRST_FP_RET_REG))
+ ((REGNO) == FIRST_RET_REG || (TARGET_SH3E && (REGNO) == FIRST_FP_RET_REG) \
+ || (TARGET_SHMEDIA_FPU && (REGNO) == FIRST_FP_RET_REG))
/* 1 if N is a possible register number for function argument passing. */
#define FUNCTION_ARG_REGNO_P(REGNO) \
- (((REGNO) >= FIRST_PARM_REG && (REGNO) < (FIRST_PARM_REG + 4)) \
- || (TARGET_SH3E \
- && (REGNO) >= FIRST_FP_PARM_REG && (REGNO) < (FIRST_FP_PARM_REG + 8)))
+ (((REGNO) >= FIRST_PARM_REG && (REGNO) < (FIRST_PARM_REG \
+ + NPARM_REGS (SImode))) \
+ || (TARGET_FPU_ANY \
+ && (REGNO) >= FIRST_FP_PARM_REG && (REGNO) < (FIRST_FP_PARM_REG \
+ + NPARM_REGS (SFmode))))
\f
/* Define a data type for recording info about an argument list
during the scan of that argument list. This data type should
struct sh_args {
int arg_count[2];
int force_mem;
+ /* Non-zero if a prototype is available for the function. */
+ int prototype_p;
+ /* The number of an odd floating-point register, that should be used
+ for the next argument of type float. */
+ int free_single_fp_reg;
+ /* Whether we're processing an outgoing function call. */
+ int outgoing;
+ /* The number of general-purpose registers that should have been
+ used to pass partial arguments, that are passed totally on the
+ stack. On SHcompact, a call trampoline will pop them off the
+ stack before calling the actual function, and, if the called
+ function is implemented in SHcompact mode, the incoming arguments
+ decoder will push such arguments back onto the stack. For
+ incoming arguments, STACK_REGS also takes into account other
+ arguments passed by reference, that the decoder will also push
+ onto the stack. */
+ int stack_regs;
+ /* The number of general-purpose registers that should have been
+ used to pass arguments, if the arguments didn't have to be passed
+ by reference. */
+ int byref_regs;
+ /* Set by SHCOMPACT_BYREF if the current argument is to be passed by
+ reference. */
+ int byref;
+
+ /* call_cookie is a bitmask used by call expanders, as well as
+ function prologue and epilogues, to allow SHcompact to comply
+ with the SH5 32-bit ABI, that requires 64-bit registers to be
+ used even though only the lower 32-bit half is visible in
+ SHcompact mode. The strategy is to call SHmedia trampolines.
+
+ The alternatives for each of the argument-passing registers are
+ (a) leave it unchanged; (b) pop it off the stack; (c) load its
+ contents from the address in it; (d) add 8 to it, storing the
+ result in the next register, then (c); (e) copy it from some
+ floating-point register,
+
+ Regarding copies from floating-point registers, r2 may only be
+ copied from dr0. r3 may be copied from dr0 or dr2. r4 maybe
+ copied from dr0, dr2 or dr4. r5 maybe copied from dr0, dr2,
+ dr4 or dr6. r6 may be copied from dr0, dr2, dr4, dr6 or dr8.
+ r7 through to r9 may be copied from dr0, dr2, dr4, dr8, dr8 or
+ dr10.
+
+ The bit mask is structured as follows:
+
+ - 1 bit to tell whether to set up a return trampoline.
+
+ - 3 bits to count the number consecutive registers to pop off the
+ stack.
+
+ - 4 bits for each of r9, r8, r7 and r6.
+
+ - 3 bits for each of r5, r4, r3 and r2.
+
+ - 3 bits set to 0 (the most significant ones)
+
+ 3 2 1 0
+ 1098 7654 3210 9876 5432 1098 7654 3210
+ FLPF LPFL PFLP FFLP FFLP FFLP FFLP SSST
+ 2223 3344 4555 6666 7777 8888 9999 SSS-
+
+ - If F is set, the register must be copied from an FP register,
+ whose number is encoded in the remaining bits.
+
+ - Else, if L is set, the register must be loaded from the address
+ contained in it. If the P bit is *not* set, the address of the
+ following dword should be computed first, and stored in the
+ following register.
+
+ - Else, if P is set, the register alone should be popped off the
+ stack.
+
+ - After all this processing, the number of registers represented
+ in SSS will be popped off the stack. This is an optimization
+ for pushing/popping consecutive registers, typically used for
+ varargs and large arguments partially passed in registers.
+
+ - If T is set, a return trampoline will be set up for 64-bit
+ return values to be split into 2 32-bit registers. */
+#define CALL_COOKIE_RET_TRAMP_SHIFT 0
+#define CALL_COOKIE_RET_TRAMP(VAL) ((VAL) << CALL_COOKIE_RET_TRAMP_SHIFT)
+#define CALL_COOKIE_STACKSEQ_SHIFT 1
+#define CALL_COOKIE_STACKSEQ(VAL) ((VAL) << CALL_COOKIE_STACKSEQ_SHIFT)
+#define CALL_COOKIE_STACKSEQ_GET(COOKIE) \
+ (((COOKIE) >> CALL_COOKIE_STACKSEQ_SHIFT) & 7)
+#define CALL_COOKIE_INT_REG_SHIFT(REG) \
+ (4 * (7 - (REG)) + (((REG) <= 2) ? ((REG) - 2) : 1) + 3)
+#define CALL_COOKIE_INT_REG(REG, VAL) \
+ ((VAL) << CALL_COOKIE_INT_REG_SHIFT (REG))
+#define CALL_COOKIE_INT_REG_GET(COOKIE, REG) \
+ (((COOKIE) >> CALL_COOKIE_INT_REG_SHIFT (REG)) & ((REG) < 4 ? 7 : 15))
+ long call_cookie;
};
#define CUMULATIVE_ARGS struct sh_args
#define GET_SH_ARG_CLASS(MODE) \
- ((TARGET_SH3E && (MODE) == SFmode) \
+ ((TARGET_FPU_ANY && (MODE) == SFmode) \
? SH_ARG_FLOAT \
- : TARGET_SH4 && (GET_MODE_CLASS (MODE) == MODE_FLOAT \
- || GET_MODE_CLASS (MODE) == MODE_COMPLEX_FLOAT) \
+ /* There's no mention of complex float types in the SH5 ABI, so we
+ should presumably handle them as aggregate types. */ \
+ : TARGET_SH5 && GET_MODE_CLASS (MODE) == MODE_COMPLEX_FLOAT \
+ ? SH_ARG_INT \
+ : TARGET_FPU_DOUBLE && (GET_MODE_CLASS (MODE) == MODE_FLOAT \
+ || GET_MODE_CLASS (MODE) == MODE_COMPLEX_FLOAT) \
? SH_ARG_FLOAT : SH_ARG_INT)
#define ROUND_ADVANCE(SIZE) \
(CUM).force_mem \
= (TARGET_HITACHI && FNTYPE \
&& aggregate_value_p (TREE_TYPE (FNTYPE))); \
+ (CUM).prototype_p = (FNTYPE) && TYPE_ARG_TYPES (FNTYPE); \
+ (CUM).arg_count[(int) SH_ARG_INT] \
+ = (TARGET_SH5 && (FNTYPE) \
+ && aggregate_value_p (TREE_TYPE (FNTYPE))); \
+ (CUM).free_single_fp_reg = 0; \
+ (CUM).outgoing = 1; \
+ (CUM).stack_regs = 0; \
+ (CUM).byref_regs = 0; \
+ (CUM).byref = 0; \
+ (CUM).call_cookie \
+ = (CALL_COOKIE_RET_TRAMP \
+ (TARGET_SHCOMPACT && (FNTYPE) \
+ && (CUM).arg_count[(int) SH_ARG_INT] == 0 \
+ && (TYPE_MODE (TREE_TYPE (FNTYPE)) == BLKmode \
+ ? int_size_in_bytes (TREE_TYPE (FNTYPE)) \
+ : GET_MODE_SIZE (TYPE_MODE (TREE_TYPE (FNTYPE)))) > 4 \
+ && (BASE_RETURN_VALUE_REG (TYPE_MODE (TREE_TYPE \
+ (FNTYPE))) \
+ == FIRST_RET_REG))); \
+ } while (0)
+
+#define INIT_CUMULATIVE_LIBCALL_ARGS(CUM, MODE, LIBNAME) \
+ do { \
+ INIT_CUMULATIVE_ARGS ((CUM), NULL_TREE, (LIBNAME), 0); \
+ (CUM).call_cookie \
+ = (CALL_COOKIE_RET_TRAMP \
+ (TARGET_SHCOMPACT && GET_MODE_SIZE (MODE) > 4 \
+ && BASE_RETURN_VALUE_REG (MODE) == FIRST_RET_REG)); \
+ } while (0)
+
+#define INIT_CUMULATIVE_INCOMING_ARGS(CUM, FNTYPE, LIBNAME) \
+ do { \
+ INIT_CUMULATIVE_ARGS ((CUM), (FNTYPE), (LIBNAME), 0); \
+ (CUM).outgoing = 0; \
} while (0)
+
+/* FIXME: This is overly conservative. A SHcompact function that
+ receives arguments ``by reference'' will have them stored in its
+ own stack frame, so it must not pass pointers or references to
+ these arguments to other functions by means of sibling calls. */
+#define FUNCTION_OK_FOR_SIBCALL(DECL) \
+ (! TARGET_SHCOMPACT || current_function_args_info.stack_regs == 0)
/* Update the data in CUM to advance over an argument
of mode MODE and data type TYPE.
#define FUNCTION_ARG_ADVANCE(CUM, MODE, TYPE, NAMED) \
if ((CUM).force_mem) \
(CUM).force_mem = 0; \
+ else if (TARGET_SH5) \
+ { \
+ tree TYPE_ = ((CUM).byref && (TYPE) \
+ ? TREE_TYPE (TYPE) \
+ : (TYPE)); \
+ enum machine_mode MODE_ = ((CUM).byref && (TYPE) \
+ ? TYPE_MODE (TYPE_) \
+ : (MODE)); \
+ int dwords = (((CUM).byref \
+ ? (CUM).byref \
+ : (MODE_) == BLKmode \
+ ? int_size_in_bytes (TYPE_) \
+ : GET_MODE_SIZE (MODE_)) + 7) / 8; \
+ int numregs = MIN (dwords, NPARM_REGS (SImode) \
+ - (CUM).arg_count[(int) SH_ARG_INT]); \
+ \
+ if (numregs) \
+ { \
+ (CUM).arg_count[(int) SH_ARG_INT] += numregs; \
+ if (TARGET_SHCOMPACT \
+ && SHCOMPACT_FORCE_ON_STACK (MODE_, TYPE_)) \
+ { \
+ (CUM).call_cookie \
+ |= CALL_COOKIE_INT_REG (((CUM).arg_count[(int) SH_ARG_INT] \
+ - numregs), 1); \
+ /* N.B. We want this also for outgoing. */\
+ (CUM).stack_regs += numregs; \
+ } \
+ else if ((CUM).byref) \
+ { \
+ if (! (CUM).outgoing) \
+ (CUM).stack_regs += numregs; \
+ (CUM).byref_regs += numregs; \
+ (CUM).byref = 0; \
+ do \
+ (CUM).call_cookie \
+ |= CALL_COOKIE_INT_REG (((CUM).arg_count[(int) SH_ARG_INT] \
+ - numregs), 2); \
+ while (--numregs); \
+ (CUM).call_cookie \
+ |= CALL_COOKIE_INT_REG (((CUM).arg_count[(int) SH_ARG_INT] \
+ - 1), 1); \
+ } \
+ else if (dwords > numregs) \
+ { \
+ int pushregs = numregs; \
+ \
+ if (TARGET_SHCOMPACT) \
+ (CUM).stack_regs += numregs; \
+ while (pushregs < NPARM_REGS (SImode) - 1 \
+ && (CALL_COOKIE_INT_REG_GET \
+ ((CUM).call_cookie, \
+ NPARM_REGS (SImode) - pushregs) \
+ == 1)) \
+ { \
+ (CUM).call_cookie \
+ &= ~ CALL_COOKIE_INT_REG (NPARM_REGS (SImode) \
+ - pushregs, 1); \
+ pushregs++; \
+ } \
+ if (numregs == NPARM_REGS (SImode)) \
+ (CUM).call_cookie \
+ |= CALL_COOKIE_INT_REG (0, 1) \
+ | CALL_COOKIE_STACKSEQ (numregs - 1); \
+ else \
+ (CUM).call_cookie \
+ |= CALL_COOKIE_STACKSEQ (numregs); \
+ } \
+ } \
+ if (GET_SH_ARG_CLASS (MODE_) == SH_ARG_FLOAT \
+ && ((NAMED) || ! (CUM).prototype_p)) \
+ { \
+ if ((MODE_) == SFmode && (CUM).free_single_fp_reg) \
+ (CUM).free_single_fp_reg = 0; \
+ else if ((CUM).arg_count[(int) SH_ARG_FLOAT] \
+ < NPARM_REGS (SFmode)) \
+ { \
+ int numfpregs \
+ = MIN ((GET_MODE_SIZE (MODE_) + 7) / 8 * 2, \
+ NPARM_REGS (SFmode) \
+ - (CUM).arg_count[(int) SH_ARG_FLOAT]); \
+ \
+ (CUM).arg_count[(int) SH_ARG_FLOAT] += numfpregs; \
+ \
+ if (TARGET_SHCOMPACT && ! (CUM).prototype_p) \
+ { \
+ if ((CUM).outgoing && numregs > 0) \
+ do \
+ { \
+ (CUM).call_cookie \
+ |= (CALL_COOKIE_INT_REG \
+ ((CUM).arg_count[(int) SH_ARG_INT] \
+ - numregs + ((numfpregs - 2) / 2), \
+ 4 + ((CUM).arg_count[(int) SH_ARG_FLOAT] \
+ - numfpregs) / 2)); \
+ } \
+ while (numfpregs -= 2); \
+ } \
+ else if ((MODE_) == SFmode && (NAMED) \
+ && ((CUM).arg_count[(int) SH_ARG_FLOAT] \
+ < NPARM_REGS (SFmode))) \
+ (CUM).free_single_fp_reg \
+ = FIRST_FP_PARM_REG - numfpregs \
+ + (CUM).arg_count[(int) SH_ARG_FLOAT] + 1; \
+ } \
+ } \
+ } \
else if (! TARGET_SH4 || PASS_IN_REG_P ((CUM), (MODE), (TYPE))) \
((CUM).arg_count[(int) GET_SH_ARG_CLASS (MODE)] \
= (ROUND_REG ((CUM), (MODE)) \
: ROUND_ADVANCE (GET_MODE_SIZE (MODE)))))
/* Return boolean indicating arg of mode MODE will be passed in a reg.
- This macro is only used in this file. */
+ This macro is only used in this file. */
#define PASS_IN_REG_P(CUM, MODE, TYPE) \
(((TYPE) == 0 \
its data type forbids. */
#define FUNCTION_ARG(CUM, MODE, TYPE, NAMED) \
- ((PASS_IN_REG_P ((CUM), (MODE), (TYPE)) \
- && ((NAMED) \
- || (! TARGET_HITACHI && (TARGET_SH3E || ! current_function_varargs)))) \
+ ((! TARGET_SH5 \
+ && PASS_IN_REG_P ((CUM), (MODE), (TYPE)) \
+ && ((NAMED) || !TARGET_HITACHI)) \
? gen_rtx_REG ((MODE), \
((BASE_ARG_REG (MODE) + ROUND_REG ((CUM), (MODE))) \
^ ((MODE) == SFmode && TARGET_SH4 \
&& TARGET_LITTLE_ENDIAN != 0))) \
+ : TARGET_SH5 \
+ ? ((MODE) == VOIDmode && TARGET_SHCOMPACT \
+ ? GEN_INT ((CUM).call_cookie) \
+ /* The following test assumes unnamed arguments are promoted to \
+ DFmode. */ \
+ : (MODE) == SFmode && (CUM).free_single_fp_reg \
+ ? SH5_PROTOTYPED_FLOAT_ARG ((CUM), (MODE), (CUM).free_single_fp_reg) \
+ : (GET_SH_ARG_CLASS (MODE) == SH_ARG_FLOAT \
+ && ((NAMED) || ! (CUM).prototype_p) \
+ && (CUM).arg_count[(int) SH_ARG_FLOAT] < NPARM_REGS (SFmode)) \
+ ? ((! (CUM).prototype_p && TARGET_SHMEDIA) \
+ ? SH5_PROTOTYPELESS_FLOAT_ARG ((CUM), (MODE)) \
+ : SH5_PROTOTYPED_FLOAT_ARG ((CUM), (MODE), \
+ FIRST_FP_PARM_REG \
+ + (CUM).arg_count[(int) SH_ARG_FLOAT])) \
+ : ((CUM).arg_count[(int) SH_ARG_INT] < NPARM_REGS (SImode) \
+ && (! TARGET_SHCOMPACT \
+ || (! SHCOMPACT_FORCE_ON_STACK ((MODE), (TYPE)) \
+ && ! SH5_WOULD_BE_PARTIAL_NREGS ((CUM), (MODE), \
+ (TYPE), (NAMED))))) \
+ ? gen_rtx_REG ((MODE), (FIRST_PARM_REG \
+ + (CUM).arg_count[(int) SH_ARG_INT])) \
+ : 0) \
: 0)
-#define PRETEND_OUTGOING_VARARGS_NAMED (! TARGET_HITACHI)
+/* Whether an argument must be passed by reference. On SHcompact, we
+ pretend arguments wider than 32-bits that would have been passed in
+ registers are passed by reference, so that an SHmedia trampoline
+ loads them into the full 64-bits registers. */
+#define FUNCTION_ARG_PASS_BY_REFERENCE(CUM,MODE,TYPE,NAMED) \
+ (MUST_PASS_IN_STACK ((MODE), (TYPE)) \
+ || SHCOMPACT_BYREF ((CUM), (MODE), (TYPE), (NAMED)))
+
+#define SHCOMPACT_BYREF(CUM, MODE, TYPE, NAMED) \
+ ((CUM).byref \
+ = (TARGET_SHCOMPACT \
+ && (CUM).arg_count[(int) SH_ARG_INT] < NPARM_REGS (SImode) \
+ && (! (NAMED) || GET_SH_ARG_CLASS (MODE) == SH_ARG_INT \
+ || (GET_SH_ARG_CLASS (MODE) == SH_ARG_FLOAT \
+ && ((CUM).arg_count[(int) SH_ARG_FLOAT] \
+ >= NPARM_REGS (SFmode)))) \
+ && ((MODE) == BLKmode ? int_size_in_bytes (TYPE) \
+ : GET_MODE_SIZE (MODE)) > 4 \
+ && ! SHCOMPACT_FORCE_ON_STACK ((MODE), (TYPE)) \
+ && ! SH5_WOULD_BE_PARTIAL_NREGS ((CUM), (MODE), \
+ (TYPE), (NAMED))) \
+ ? ((MODE) == BLKmode ? int_size_in_bytes (TYPE) \
+ : GET_MODE_SIZE (MODE)) \
+ : 0)
+
+/* If an argument of size 5, 6 or 7 bytes is to be passed in a 64-bit
+ register in SHcompact mode, it must be padded in the most
+ significant end. This means that passing it by reference wouldn't
+ pad properly on a big-endian machine. In this particular case, we
+ pass this argument on the stack, in a way that the call trampoline
+ will load its value into the appropriate register. */
+#define SHCOMPACT_FORCE_ON_STACK(MODE,TYPE) \
+ ((MODE) == BLKmode \
+ && TARGET_SHCOMPACT \
+ && ! TARGET_LITTLE_ENDIAN \
+ && int_size_in_bytes (TYPE) > 4 \
+ && int_size_in_bytes (TYPE) < 8)
+
+/* Minimum alignment for an argument to be passed by callee-copy
+ reference. We need such arguments to be aligned to 8 byte
+ boundaries, because they'll be loaded using quad loads. */
+#define SH_MIN_ALIGN_FOR_CALLEE_COPY (8 * BITS_PER_UNIT)
+
+#define FUNCTION_ARG_CALLEE_COPIES(CUM,MODE,TYPE,NAMED) \
+ ((CUM).outgoing \
+ && (((MODE) == BLKmode ? TYPE_ALIGN (TYPE) \
+ : GET_MODE_ALIGNMENT (MODE)) \
+ % SH_MIN_ALIGN_FOR_CALLEE_COPY == 0))
+
+/* The SH5 ABI requires floating-point arguments to be passed to
+ functions without a prototype in both an FP register and a regular
+ register or the stack. When passing the argument in both FP and
+ general-purpose registers, list the FP register first. */
+#define SH5_PROTOTYPELESS_FLOAT_ARG(CUM,MODE) \
+ (gen_rtx_PARALLEL \
+ ((MODE), \
+ gen_rtvec (2, \
+ gen_rtx_EXPR_LIST \
+ (VOIDmode, \
+ ((CUM).arg_count[(int) SH_ARG_INT] < NPARM_REGS (SImode) \
+ ? gen_rtx_REG ((MODE), FIRST_FP_PARM_REG \
+ + (CUM).arg_count[(int) SH_ARG_FLOAT]) \
+ : NULL_RTX), \
+ const0_rtx), \
+ gen_rtx_EXPR_LIST \
+ (VOIDmode, \
+ ((CUM).arg_count[(int) SH_ARG_INT] < NPARM_REGS (SImode) \
+ ? gen_rtx_REG ((MODE), FIRST_PARM_REG \
+ + (CUM).arg_count[(int) SH_ARG_INT]) \
+ : gen_rtx_REG ((MODE), FIRST_FP_PARM_REG \
+ + (CUM).arg_count[(int) SH_ARG_FLOAT])), \
+ const0_rtx))))
+
+/* The SH5 ABI requires regular registers or stack slots to be
+ reserved for floating-point arguments. Registers are taken care of
+ in FUNCTION_ARG_ADVANCE, but stack slots must be reserved here.
+ Unfortunately, there's no way to just reserve a stack slot, so
+ we'll end up needlessly storing a copy of the argument in the
+ stack. For incoming arguments, however, the PARALLEL will be
+ optimized to the register-only form, and the value in the stack
+ slot won't be used at all. */
+#define SH5_PROTOTYPED_FLOAT_ARG(CUM,MODE,REG) \
+ ((CUM).arg_count[(int) SH_ARG_INT] < NPARM_REGS (SImode) \
+ ? gen_rtx_REG ((MODE), (REG)) \
+ : gen_rtx_PARALLEL ((MODE), \
+ gen_rtvec (2, \
+ gen_rtx_EXPR_LIST \
+ (VOIDmode, NULL_RTX, \
+ const0_rtx), \
+ gen_rtx_EXPR_LIST \
+ (VOIDmode, gen_rtx_REG ((MODE), \
+ (REG)), \
+ const0_rtx))))
+
+#define STRICT_ARGUMENT_NAMING TARGET_SH5
+
+#define PRETEND_OUTGOING_VARARGS_NAMED (! TARGET_HITACHI && ! TARGET_SH5)
/* For an arg passed partly in registers and partly in memory,
this is the number of registers used.
We sometimes split args. */
#define FUNCTION_ARG_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) \
- ((PASS_IN_REG_P ((CUM), (MODE), (TYPE)) \
+ ((! TARGET_SH5 \
+ && PASS_IN_REG_P ((CUM), (MODE), (TYPE)) \
&& ! TARGET_SH4 \
&& (ROUND_REG ((CUM), (MODE)) \
+ ((MODE) != BLKmode \
: ROUND_ADVANCE (int_size_in_bytes (TYPE))) \
> NPARM_REGS (MODE))) \
? NPARM_REGS (MODE) - ROUND_REG ((CUM), (MODE)) \
+ : (SH5_WOULD_BE_PARTIAL_NREGS ((CUM), (MODE), (TYPE), (NAMED)) \
+ && ! TARGET_SHCOMPACT) \
+ ? NPARM_REGS (SImode) - (CUM).arg_count[(int) SH_ARG_INT] \
: 0)
-extern int current_function_anonymous_args;
+#define SH5_WOULD_BE_PARTIAL_NREGS(CUM, MODE, TYPE, NAMED) \
+ (TARGET_SH5 && (MODE) == BLKmode \
+ && ((CUM).arg_count[(int) SH_ARG_INT] \
+ + (int_size_in_bytes (TYPE) + 7) / 8) > NPARM_REGS (SImode))
/* Perform any needed actions needed for a function that is receiving a
variable number of arguments. */
-#define SETUP_INCOMING_VARARGS(ASF, MODE, TYPE, PAS, ST) \
- current_function_anonymous_args = 1;
+/* We actually emit the code in sh_expand_prologue. We used to use
+ a static variable to flag that we need to emit this code, but that
+ doesn't when inlining, when functions are deferred and then emitted
+ later. Fortunately, we already have two flags that are part of struct
+ function that tell if a function uses varargs or stdarg. */
+#define SETUP_INCOMING_VARARGS(ASF, MODE, TYPE, PAS, ST) do \
+ if (! current_function_stdarg) \
+ abort (); \
+while (0)
/* Define the `__builtin_va_list' type for the ABI. */
#define BUILD_VA_LIST_TYPE(VALIST) \
(VALIST) = sh_build_va_list ()
/* Implement `va_start' for varargs and stdarg. */
-#define EXPAND_BUILTIN_VA_START(stdarg, valist, nextarg) \
- sh_va_start (stdarg, valist, nextarg)
+#define EXPAND_BUILTIN_VA_START(valist, nextarg) \
+ sh_va_start (valist, nextarg)
/* Implement `va_arg'. */
#define EXPAND_BUILTIN_VA_ARG(valist, type) \
#define EXIT_IGNORE_STACK 1
-/* Generate the assembly code for function exit
- Just dump out any accumulated constant table. */
-
-#define FUNCTION_EPILOGUE(STREAM, SIZE) function_epilogue ((STREAM), (SIZE))
-
/*
On the SH, the trampoline looks like
- 2 0002 DD02 mov.l l2,r13
+ 2 0002 D202 mov.l l2,r2
1 0000 D301 mov.l l1,r3
- 3 0004 4D2B jmp @r13
+ 3 0004 422B jmp @r2
4 0006 0009 nop
- 5 0008 00000000 l1: .long function
- 6 000c 00000000 l2: .long area */
+ 5 0008 00000000 l1: .long area
+ 6 000c 00000000 l2: .long function */
/* Length in units of the trampoline for entering a nested function. */
-#define TRAMPOLINE_SIZE 16
+#define TRAMPOLINE_SIZE (TARGET_SHMEDIA64 ? 40 : TARGET_SH5 ? 32 : 16)
/* Alignment required for a trampoline in bits . */
#define TRAMPOLINE_ALIGNMENT \
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) \
+#define INITIALIZE_TRAMPOLINE(TRAMP, FNADDR, CXT) do \
{ \
+ if (TARGET_SH5) \
+ { \
+ rtx tramp_templ = gen_rtx_SYMBOL_REF (Pmode, \
+ "__GCC_nested_trampoline"); \
+ int fixed_len = TRAMPOLINE_SIZE - 2 * GET_MODE_SIZE (Pmode); \
+ \
+ tramp_templ = gen_datalabel_ref (tramp_templ); \
+ emit_block_move (gen_rtx_MEM (BLKmode, (TRAMP)), \
+ gen_rtx_MEM (BLKmode, tramp_templ), \
+ GEN_INT (fixed_len)); \
+ emit_move_insn (gen_rtx_MEM (Pmode, plus_constant ((TRAMP), \
+ fixed_len)), \
+ (FNADDR)); \
+ emit_move_insn (gen_rtx_MEM (Pmode, \
+ plus_constant ((TRAMP), \
+ fixed_len \
+ + GET_MODE_SIZE (Pmode))), \
+ (CXT)); \
+ emit_insn (gen_ic_invalidate_line (TRAMP)); \
+ break; \
+ } \
emit_move_insn (gen_rtx_MEM (SImode, (TRAMP)), \
- GEN_INT (TARGET_LITTLE_ENDIAN ? 0xd301dd02 : 0xdd02d301));\
+ GEN_INT (trunc_int_for_mode \
+ (TARGET_LITTLE_ENDIAN ? 0xd301d202 : 0xd202d301,\
+ SImode))); \
emit_move_insn (gen_rtx_MEM (SImode, plus_constant ((TRAMP), 4)), \
- GEN_INT (TARGET_LITTLE_ENDIAN ? 0x00094d2b : 0x4d2b0009));\
+ GEN_INT (TARGET_LITTLE_ENDIAN ? 0x0009422b : 0x422b0009));\
emit_move_insn (gen_rtx_MEM (SImode, plus_constant ((TRAMP), 8)), \
(CXT)); \
emit_move_insn (gen_rtx_MEM (SImode, plus_constant ((TRAMP), 12)), \
(FNADDR)); \
if (TARGET_HARVARD) \
- emit_insn (gen_ic_invalidate_line (TRAMP)); \
-}
+ { \
+ if (TARGET_USERMODE) \
+ emit_library_call (gen_rtx_SYMBOL_REF (Pmode, "__ic_invalidate"),\
+ 0, VOIDmode, 1, (TRAMP), SImode); \
+ else \
+ emit_insn (gen_ic_invalidate_line (TRAMP)); \
+ } \
+} while (0)
+
+/* On SH5, trampolines are SHmedia code, so add 1 to the address. */
+
+#define TRAMPOLINE_ADJUST_ADDRESS(TRAMP) do \
+{ \
+ if (TARGET_SH5) \
+ (TRAMP) = expand_simple_binop (Pmode, PLUS, (TRAMP), GEN_INT (1), \
+ gen_reg_rtx (Pmode), 0, \
+ OPTAB_LIB_WIDEN); \
+} while (0)
/* A C expression whose value is RTL representing the value of the return
address for the frame COUNT steps up from the current frame.
#define RETURN_ADDR_RTX(COUNT, FRAME) \
(((COUNT) == 0) \
- ? gen_rtx_MEM (Pmode, gen_rtx_REG (Pmode, RETURN_ADDRESS_POINTER_REGNUM)) \
+ ? get_hard_reg_initial_val (Pmode, TARGET_SHMEDIA ? PR_MEDIA_REG : PR_REG) \
: (rtx) 0)
+
+/* A C expression whose value is RTL representing the location of the
+ incoming return address at the beginning of any function, before the
+ prologue. This RTL is either a REG, indicating that the return
+ value is saved in REG, or a MEM representing a location in
+ the stack. */
+#define INCOMING_RETURN_ADDR_RTX \
+ gen_rtx_REG (Pmode, TARGET_SHMEDIA ? PR_MEDIA_REG : PR_REG)
\f
/* Generate necessary RTL for __builtin_saveregs(). */
#define EXPAND_BUILTIN_SAVEREGS() sh_builtin_saveregs ()
\f
/* Addressing modes, and classification of registers for them. */
-#define HAVE_POST_INCREMENT 1
+#define HAVE_POST_INCREMENT TARGET_SH1
/*#define HAVE_PRE_INCREMENT 1*/
/*#define HAVE_POST_DECREMENT 1*/
-#define HAVE_PRE_DECREMENT 1
+#define HAVE_PRE_DECREMENT TARGET_SH1
#define USE_LOAD_POST_INCREMENT(mode) ((mode == SImode || mode == DImode) \
- ? 0 : 1)
+ ? 0 : TARGET_SH1)
#define USE_LOAD_PRE_DECREMENT(mode) 0
#define USE_STORE_POST_INCREMENT(mode) 0
#define USE_STORE_PRE_DECREMENT(mode) ((mode == SImode || mode == DImode) \
- ? 0 : 1)
+ ? 0 : TARGET_SH1)
#define MOVE_BY_PIECES_P(SIZE, ALIGN) (move_by_pieces_ninsns (SIZE, ALIGN) \
< (TARGET_SMALLCODE ? 2 : \
has been allocated, which happens in local-alloc.c. */
#define REGNO_OK_FOR_BASE_P(REGNO) \
- ((REGNO) < PR_REG || (unsigned) reg_renumber[(REGNO)] < PR_REG)
+ (GENERAL_OR_AP_REGISTER_P (REGNO) \
+ || GENERAL_OR_AP_REGISTER_P (reg_renumber[(REGNO)]))
#define REGNO_OK_FOR_INDEX_P(REGNO) \
- ((REGNO) == 0 || (unsigned) reg_renumber[(REGNO)] == 0)
+ (TARGET_SHMEDIA \
+ ? (GENERAL_REGISTER_P (REGNO) \
+ || GENERAL_REGISTER_P ((unsigned) reg_renumber[(REGNO)])) \
+ : (REGNO) == R0_REG || (unsigned) reg_renumber[(REGNO)] == R0_REG)
/* Maximum number of registers that can appear in a valid memory
address. */
/* Nonzero if the constant value X is a legitimate general operand. */
#define LEGITIMATE_CONSTANT_P(X) \
- (GET_CODE (X) != CONST_DOUBLE \
- || GET_MODE (X) == DFmode || GET_MODE (X) == SFmode \
- || (TARGET_SH3E && (fp_zero_operand (X) || fp_one_operand (X))))
+ (TARGET_SHMEDIA \
+ ? (GET_MODE (X) != DFmode \
+ || (X) == CONST0_RTX (GET_MODE (X)) \
+ || ! TARGET_SHMEDIA_FPU \
+ || TARGET_SHMEDIA64) \
+ : (GET_CODE (X) != CONST_DOUBLE \
+ || GET_MODE (X) == DFmode || GET_MODE (X) == SFmode \
+ || (TARGET_SH3E && (fp_zero_operand (X) || fp_one_operand (X)))))
/* 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) \
- (REGNO (X) <= 16 || REGNO (X) >= FIRST_PSEUDO_REGISTER)
+ (GENERAL_OR_AP_REGISTER_P (REGNO (X)) || 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) \
- (REGNO (X) == 0 || REGNO (X) >= FIRST_PSEUDO_REGISTER)
+ ((TARGET_SHMEDIA ? GENERAL_REGISTER_P (REGNO (X)) \
+ : REGNO (X) == R0_REG) || REGNO (X) >= FIRST_PSEUDO_REGISTER)
/* Nonzero if X/OFFSET is a hard reg that can be used as an index
or if X is a pseudo reg. */
#define SUBREG_OK_FOR_INDEX_P(X, OFFSET) \
- ((REGNO (X) == 0 && OFFSET == 0) || REGNO (X) >= FIRST_PSEUDO_REGISTER)
+ ((TARGET_SHMEDIA ? GENERAL_REGISTER_P (REGNO (X)) \
+ : REGNO (X) == R0_REG && OFFSET == 0) || REGNO (X) >= FIRST_PSEUDO_REGISTER)
#else
&& GET_CODE (XEXP (XEXP (XEXP ((OP), 0), 0), 0)) == LABEL_REF \
&& GET_CODE (XEXP (XEXP (XEXP ((OP), 0), 0), 1)) == CONST_INT)))
+/* The `S' constraint is a 16-bit constant, literal or symbolic. */
+#define EXTRA_CONSTRAINT_S(OP) \
+ (GET_CODE (OP) == CONST \
+ && GET_CODE (XEXP ((OP), 0)) == SIGN_EXTEND \
+ && GET_MODE (XEXP ((OP), 0)) == DImode \
+ && GET_CODE (XEXP (XEXP ((OP), 0), 0)) == TRUNCATE \
+ && GET_MODE (XEXP (XEXP ((OP), 0), 0)) == HImode \
+ && (MOVI_SHORI_BASE_OPERAND_P (XEXP (XEXP (XEXP ((OP), 0), 0), 0)) \
+ || (GET_CODE (XEXP (XEXP (XEXP ((OP), 0), 0), 0)) == ASHIFTRT \
+ && (MOVI_SHORI_BASE_OPERAND_P \
+ (XEXP (XEXP (XEXP (XEXP ((OP), 0), 0), 0), 0))) \
+ && GET_CODE (XEXP (XEXP (XEXP (XEXP ((OP), 0), 0), 0), \
+ 1)) == CONST_INT)))
+
+/* Check whether OP is a datalabel unspec. */
+#define DATALABEL_REF_NO_CONST_P(OP) \
+ (GET_CODE (OP) == UNSPEC \
+ && XINT ((OP), 1) == UNSPEC_DATALABEL \
+ && XVECLEN ((OP), 0) == 1 \
+ && (GET_CODE (XVECEXP ((OP), 0, 0)) == SYMBOL_REF \
+ || GET_CODE (XVECEXP ((OP), 0, 0)) == LABEL_REF))
+
+/* Check whether OP is a datalabel unspec, possibly enclosed within a
+ CONST. */
+#define DATALABEL_REF_P(OP) \
+ ((GET_CODE (OP) == CONST && DATALABEL_REF_NO_CONST_P (XEXP ((OP), 0))) \
+ || DATALABEL_REF_NO_CONST_P (OP))
+
+#define GOT_ENTRY_P(OP) \
+ (GET_CODE (OP) == CONST && GET_CODE (XEXP ((OP), 0)) == UNSPEC \
+ && XINT (XEXP ((OP), 0), 1) == UNSPEC_GOT)
+
+#define GOTPLT_ENTRY_P(OP) \
+ (GET_CODE (OP) == CONST && GET_CODE (XEXP ((OP), 0)) == UNSPEC \
+ && XINT (XEXP ((OP), 0), 1) == UNSPEC_GOTPLT)
+
+#define GOTOFF_P(OP) \
+ (GET_CODE (OP) == CONST && GET_CODE (XEXP ((OP), 0)) == UNSPEC \
+ && XINT (XEXP ((OP), 0), 1) == UNSPEC_GOTOFF)
+
+#define PIC_ADDR_P(OP) \
+ (GET_CODE (OP) == CONST && GET_CODE (XEXP ((OP), 0)) == UNSPEC \
+ && XINT (XEXP ((OP), 0), 1) == UNSPEC_PIC)
+
+#define NON_PIC_REFERENCE_P(OP) \
+ (GET_CODE (OP) == LABEL_REF || GET_CODE (OP) == SYMBOL_REF \
+ || DATALABEL_REF_P (OP) \
+ || (GET_CODE (OP) == CONST && GET_CODE (XEXP ((OP), 0)) == PLUS \
+ && (GET_CODE (XEXP (XEXP ((OP), 0), 0)) == SYMBOL_REF \
+ || DATALABEL_REF_P (XEXP (XEXP ((OP), 0), 0))) \
+ && GET_CODE (XEXP (XEXP ((OP), 0), 1)) == CONST_INT))
+
+#define PIC_REFERENCE_P(OP) \
+ (GOT_ENTRY_P (OP) || GOTPLT_ENTRY_P (OP) \
+ || GOTOFF_P (OP) || PIC_ADDR_P (OP))
+
+#define MOVI_SHORI_BASE_OPERAND_P(OP) \
+ (flag_pic ? PIC_REFERENCE_P (OP) : NON_PIC_REFERENCE_P (OP))
+
+/* The `T' constraint is a label or a symbol. */
+#define EXTRA_CONSTRAINT_T(OP) \
+ (NON_PIC_REFERENCE_P (OP))
+
+/* A zero in any shape or form. */
+#define EXTRA_CONSTRAINT_U(OP) \
+ ((OP) == const0_rtx \
+ || (GET_CODE (OP) == SUBREG && VECTOR_MODE_SUPPORTED_P(GET_MODE (OP)) \
+ && SUBREG_REG (OP) == const0_rtx && SUBREG_BYTE (OP) == 0) \
+ || GET_CODE (OP) == CONST_VECTOR && zero_vec_operand ((OP), VOIDmode))
+
+/* Any vector constant we can handle. */
+#define EXTRA_CONSTRAINT_W(OP) \
+ (GET_CODE (OP) == CONST_VECTOR \
+ && (sh_rep_vec ((OP), VOIDmode) \
+ || (HOST_BITS_PER_WIDE_INT >= 64 \
+ ? sh_const_vec ((OP), VOIDmode) \
+ : sh_1el_vec ((OP), VOIDmode))))
+
#define EXTRA_CONSTRAINT(OP, C) \
((C) == 'Q' ? EXTRA_CONSTRAINT_Q (OP) \
+ : (C) == 'S' ? EXTRA_CONSTRAINT_S (OP) \
+ : (C) == 'T' ? EXTRA_CONSTRAINT_T (OP) \
+ : (C) == 'U' ? EXTRA_CONSTRAINT_U (OP) \
+ : (C) == 'W' ? EXTRA_CONSTRAINT_W (OP) \
: 0)
\f
/* GO_IF_LEGITIMATE_ADDRESS recognizes an RTL expression
((GET_CODE (X) == REG && REG_OK_FOR_INDEX_P (X)) \
|| (GET_CODE (X) == SUBREG \
&& GET_CODE (SUBREG_REG (X)) == REG \
- && SUBREG_OK_FOR_INDEX_P (SUBREG_REG (X), SUBREG_WORD (X))))
+ && SUBREG_OK_FOR_INDEX_P (SUBREG_REG (X), SUBREG_BYTE (X))))
/* Jump to LABEL if X is a valid address RTX. This must also take
REG_OK_STRICT into account when deciding about valid registers, but it uses
do { \
if (GET_CODE (OP) == CONST_INT) \
{ \
+ if (TARGET_SHMEDIA) \
+ { \
+ int MODE_SIZE = GET_MODE_SIZE (MODE); \
+ if (! (INTVAL (OP) & (MODE_SIZE - 1)) \
+ && INTVAL (OP) >= -512 * MODE_SIZE \
+ && INTVAL (OP) < 512 * MODE_SIZE) \
+ goto LABEL; \
+ else \
+ break; \
+ } \
if (MODE_DISP_OK_4 ((OP), (MODE))) goto LABEL; \
if (MODE_DISP_OK_8 ((OP), (MODE))) goto LABEL; \
} \
if (BASE_REGISTER_RTX_P (X)) \
goto LABEL; \
else if ((GET_CODE (X) == POST_INC || GET_CODE (X) == PRE_DEC) \
+ && ! TARGET_SHMEDIA \
&& BASE_REGISTER_RTX_P (XEXP ((X), 0))) \
goto LABEL; \
else if (GET_CODE (X) == PLUS \
if (GET_MODE_SIZE (MODE) <= 8 && BASE_REGISTER_RTX_P (xop0)) \
GO_IF_LEGITIMATE_INDEX ((MODE), xop1, LABEL); \
if (GET_MODE_SIZE (MODE) <= 4 \
+ || (TARGET_SHMEDIA && GET_MODE_SIZE (MODE) <= 8) \
|| (TARGET_SH4 && TARGET_FMOVD && MODE == DFmode)) \
{ \
if (BASE_REGISTER_RTX_P (xop1) && INDEX_REGISTER_RTX_P (xop0))\
|| GET_MODE_SIZE (MODE) == 8) \
&& GET_CODE (XEXP ((X), 1)) == CONST_INT \
&& BASE_REGISTER_RTX_P (XEXP ((X), 0)) \
+ && ! TARGET_SHMEDIA \
&& ! (TARGET_SH4 && (MODE) == DFmode) \
&& ! (TARGET_SH3E && (MODE) == SFmode)) \
{ \
&& (GET_MODE_SIZE (MODE) == 4 || GET_MODE_SIZE (MODE) == 8) \
&& GET_CODE (XEXP (X, 1)) == CONST_INT \
&& BASE_REGISTER_RTX_P (XEXP (X, 0)) \
+ && ! TARGET_SHMEDIA \
&& ! (TARGET_SH4 && (MODE) == DFmode) \
&& ! ((MODE) == PSImode && (TYPE) == RELOAD_FOR_INPUT_ADDRESS)) \
{ \
if (TARGET_SH3E && MODE == SFmode) \
{ \
X = copy_rtx (X); \
- push_reload (index_rtx, NULL_RTX, &XEXP (X, 1), NULL_PTR, \
+ push_reload (index_rtx, NULL_RTX, &XEXP (X, 1), NULL, \
INDEX_REG_CLASS, Pmode, VOIDmode, 0, 0, (OPNUM), \
(TYPE)); \
goto WIN; \
sum = gen_rtx (PLUS, Pmode, XEXP (X, 0), \
GEN_INT (offset_base)); \
X = gen_rtx (PLUS, Pmode, sum, GEN_INT (offset - offset_base));\
- push_reload (sum, NULL_RTX, &XEXP (X, 0), NULL_PTR, \
+ push_reload (sum, NULL_RTX, &XEXP (X, 0), NULL, \
BASE_REG_CLASS, Pmode, VOIDmode, 0, 0, (OPNUM), \
(TYPE)); \
goto WIN; \
&& GET_CODE (XEXP (XEXP (X, 0), 1)) == CONST_INT \
&& BASE_REGISTER_RTX_P (XEXP (XEXP (X, 0), 0)) \
&& GET_CODE (XEXP (X, 1)) == CONST_INT \
+ && ! TARGET_SHMEDIA \
&& ! (TARGET_SH3E && MODE == SFmode)) \
{ \
/* Because this address is so complex, we know it must have \
been created by LEGITIMIZE_RELOAD_ADDRESS before; thus, \
it is already unshared, and needs no further unsharing. */ \
- push_reload (XEXP ((X), 0), NULL_RTX, &XEXP ((X), 0), NULL_PTR, \
+ push_reload (XEXP ((X), 0), NULL_RTX, &XEXP ((X), 0), NULL, \
BASE_REG_CLASS, Pmode, VOIDmode, 0, 0, (OPNUM), (TYPE));\
goto WIN; \
} \
/* 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. */
+ Do not define this if the table should contain absolute addresses. */
#define CASE_VECTOR_PC_RELATIVE 1
-/* Specify the tree operation to be used to convert reals to integers. */
-#define IMPLICIT_FIX_EXPR FIX_ROUND_EXPR
-
-/* This is the kind of divide that is easiest to do in the general case. */
-#define EASY_DIV_EXPR TRUNC_DIV_EXPR
+/* Define it here, so that it doesn't get bumped to 64-bits on SHmedia. */
+#define FLOAT_TYPE_SIZE 32
/* Since the SH3e has only `float' support, it is desirable to make all
floating point types equivalent to `float'. */
#define DEFAULT_SIGNED_CHAR 1
/* The type of size_t unsigned int. */
-#define SIZE_TYPE "unsigned int"
+#define SIZE_TYPE (TARGET_SH5 ? "long unsigned int" : "unsigned int")
+
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE (TARGET_SH5 ? "long int" : "int")
#define WCHAR_TYPE "short unsigned int"
#define WCHAR_TYPE_SIZE 16
+#define SH_ELF_WCHAR_TYPE "long int"
+
/* Don't cse the address of the function being compiled. */
/*#define NO_RECURSIVE_FUNCTION_CSE 1*/
/* Max number of bytes we can move from memory to memory
in one reasonably fast instruction. */
-#define MOVE_MAX 4
+#define MOVE_MAX (TARGET_SHMEDIA ? 8 : 4)
+
+/* Maximum value possibly taken by MOVE_MAX. Must be defined whenever
+ MOVE_MAX is not a compile-time constant. */
+#define MAX_MOVE_MAX 8
/* Max number of bytes we want move_by_pieces to be able to copy
efficiently. */
-#define MOVE_MAX_PIECES (TARGET_SH4 ? 8 : 4)
+#define MOVE_MAX_PIECES (TARGET_SH4 || TARGET_SHMEDIA ? 8 : 4)
/* Define if operations between registers always perform the operation
on the full register even if a narrower mode is specified. */
/* Define if loading short immediate values into registers sign extends. */
#define SHORT_IMMEDIATES_SIGN_EXTEND
-/* Define this if zero-extension is slow (more than one real instruction).
- On the SH, it's only one instruction. */
-/* #define SLOW_ZERO_EXTEND */
-
/* Nonzero if access to memory by bytes is no faster than for words. */
#define SLOW_BYTE_ACCESS 1
-/* Force sizeof(bool) == 1 to maintain binary compatibility; otherwise, the
- change in SLOW_BYTE_ACCESS would have changed it to 4. */
-
-/* This used to use INT_TYPE_SIZE / CHAR_TYPE_SIZE, but these are
- not guaranteed to be defined when BOOL_TYPE_SIZE is used. */
-#define BOOL_TYPE_SIZE (flag_new_abi ? BITS_PER_WORD : BITS_PER_UNIT)
-
/* 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 PROMOTE_PROTOTYPES 1
/* The machine modes of pointers and functions. */
-#define Pmode SImode
+#define Pmode (TARGET_SHMEDIA64 ? DImode : SImode)
#define FUNCTION_MODE Pmode
/* The relative costs of various types of constants. */
#define CONST_COSTS(RTX, CODE, OUTER_CODE) \
case CONST_INT: \
+ if (TARGET_SHMEDIA) \
+ { \
+ if (INTVAL (RTX) == 0) \
+ return 0; \
+ if ((OUTER_CODE) == AND && and_operand ((RTX), DImode)) \
+ return 0; \
+ if (((OUTER_CODE) == IOR || (OUTER_CODE) == XOR \
+ || (OUTER_CODE) == PLUS) \
+ && CONST_OK_FOR_P (INTVAL (RTX))) \
+ return 0; \
+ if (CONST_OK_FOR_J (INTVAL (RTX))) \
+ return COSTS_N_INSNS ((OUTER_CODE) != SET); \
+ else if (CONST_OK_FOR_J (INTVAL (RTX) >> 16)) \
+ return COSTS_N_INSNS (2); \
+ else if (CONST_OK_FOR_J ((INTVAL (RTX) >> 16) >> 16)) \
+ return COSTS_N_INSNS (3); \
+ else \
+ return COSTS_N_INSNS (4); \
+ } \
if (CONST_OK_FOR_I (INTVAL (RTX))) \
return 0; \
else if (((OUTER_CODE) == AND || (OUTER_CODE) == IOR || (OUTER_CODE) == XOR) \
case CONST: \
case LABEL_REF: \
case SYMBOL_REF: \
+ if (TARGET_SHMEDIA64) \
+ return COSTS_N_INSNS (4); \
+ if (TARGET_SHMEDIA32) \
+ return COSTS_N_INSNS (2); \
return 5; \
case CONST_DOUBLE: \
+ if (TARGET_SHMEDIA) \
+ return COSTS_N_INSNS (4); \
+ else \
return 10;
#define RTX_COSTS(X, CODE, OUTER_CODE) \
\f
/* Position Independent Code. */
-/* Define this macro if references to a symbol must be treated
- differently depending on something about the variable or function
- named by the symbol (such as what section it is in).
- On SH, if using PIC, mark a SYMBOL_REF for a non-global symbol
- so that we may access it using GOTOFF instead of GOT. */
+/* The prefix used to mark SYMBOL_REFs that refer to data symbols. */
+#define SH_DATALABEL_ENCODING "#"
-#define ENCODE_SECTION_INFO(DECL) \
-do \
- { \
- if (flag_pic) \
- { \
- rtx rtl = (TREE_CODE_CLASS (TREE_CODE (DECL)) != 'd' \
- ? TREE_CST_RTL (DECL) : DECL_RTL (DECL)); \
- \
- SYMBOL_REF_FLAG (XEXP (rtl, 0)) = \
- (TREE_CODE_CLASS (TREE_CODE (DECL)) != 'd' \
- || ! TREE_PUBLIC (DECL)); \
- } \
- } \
-while (0)
+/* Return true if SYM_NAME starts with SH_DATALABEL_ENCODING. */
+#define DATALABEL_SYMNAME_P(SYM_NAME) \
+ (SH_DATALABEL_ENCODING[1] ? (abort (), 0) : \
+ (SYM_NAME)[0] == SH_DATALABEL_ENCODING[0])
-#define FINALIZE_PIC \
- current_function_uses_pic_offset_table |= profile_flag | profile_block_flag
+/* Skip an optional SH_DATALABEL_ENCODING in the beginning of
+ SYM_NAME. Then, remove a leading *, like the default definition in
+ output.h. */
+#define STRIP_DATALABEL_ENCODING(VAR, SYM_NAME) \
+ (VAR) = (SYM_NAME) + (DATALABEL_SYMNAME_P (SYM_NAME) \
+ ? strlen (SH_DATALABEL_ENCODING) : 0)
/* We can't directly access anything that contains a symbol,
nor can we indirect via the constant pool. */
#define LEGITIMATE_PIC_OPERAND_P(X) \
(! nonpic_symbol_mentioned_p (X) \
- && (! CONSTANT_POOL_ADDRESS_P (X) \
+ && (GET_CODE (X) != SYMBOL_REF \
+ || ! CONSTANT_POOL_ADDRESS_P (X) \
|| ! nonpic_symbol_mentioned_p (get_pool_constant (X))))
#define SYMBOLIC_CONST_P(X) \
since it increases pressure on r0. */
#define ADDRESS_COST(X) (GET_CODE (X) == PLUS && ! CONSTANT_P (XEXP (X, 1)) \
+ && ! TARGET_SHMEDIA \
? 1 : 0)
/* Compute extra cost of moving data between one register class
If SECONDARY*_RELOAD_CLASS says something about the src/dst pair,
it uses this information. Hence, the general register <-> floating point
register information here is not used for SFmode. */
-#define REGISTER_MOVE_COST(SRCCLASS, DSTCLASS) \
- ((((DSTCLASS) == T_REGS) || ((DSTCLASS) == PR_REGS)) ? 10 \
+#define REGISTER_MOVE_COST(MODE, SRCCLASS, DSTCLASS) \
+ (((((DSTCLASS) == T_REGS) || ((DSTCLASS) == PR_REGS)) ? 10 \
: ((((DSTCLASS) == FP0_REGS || (DSTCLASS) == FP_REGS || (DSTCLASS) == DF_REGS) \
&& ((SRCCLASS) == GENERAL_REGS || (SRCCLASS) == R0_REGS)) \
|| (((DSTCLASS) == GENERAL_REGS || (DSTCLASS) == R0_REGS) \
&& ((SRCCLASS) == FP0_REGS || (SRCCLASS) == FP_REGS \
|| (SRCCLASS) == DF_REGS))) \
- ? TARGET_FMOVD ? 8 : 12 \
+ ? (TARGET_SHMEDIA ? 2 \
+ : TARGET_FMOVD ? 8 : 12) \
: (((DSTCLASS) == FPUL_REGS \
&& ((SRCCLASS) == GENERAL_REGS || (SRCCLASS) == R0_REGS)) \
|| (SRCCLASS == FPUL_REGS \
|| ((SRCCLASS) == FPUL_REGS \
&& ((DSTCLASS) == PR_REGS || (DSTCLASS) == MAC_REGS))) \
? 7 \
- : 2)
+ : (((SRCCLASS) == TARGET_REGS && (DSTCLASS) != GENERAL_REGS) \
+ || ((DSTCLASS) == TARGET_REGS && (SRCCLASS) != GENERAL_REGS)) \
+ ? 20 \
+ : (((SRCCLASS) == FPSCR_REGS && (DSTCLASS) != GENERAL_REGS) \
+ || ((DSTCLASS) == FPSCR_REGS && (SRCCLASS) != GENERAL_REGS)) \
+ ? 4 \
+ : 2) * ((MODE) == V16SFmode ? 8 : (MODE) == V4SFmode ? 2 : 1))
/* ??? Perhaps make MEMORY_MOVE_COST depend on compiler option? This
would be so that people with slow memory systems could generate
The SH1 does not have delay slots, hence we get a pipeline stall
at every branch. The SH4 is superscalar, so the single delay slot
is not sufficient to keep both pipelines filled. */
-#define BRANCH_COST (! TARGET_SH2 || TARGET_HARD_SH4 ? 2 : 1)
+#define BRANCH_COST (TARGET_SH5 ? 1 : ! TARGET_SH2 || TARGET_HARD_SH4 ? 2 : 1)
\f
/* Assembler output control. */
#define ASM_FILE_START(STREAM) \
output_file_start (STREAM)
-#define ASM_FILE_END(STREAM)
-
#define ASM_APP_ON ""
#define ASM_APP_OFF ""
#define FILE_ASM_OP "\t.file\n"
-#define IDENT_ASM_OP "\t.ident\n"
-#define SET_ASM_OP ".set"
+#define SET_ASM_OP "\t.set\t"
/* How to change between sections. */
-#define TEXT_SECTION_ASM_OP "\t.text"
+#define TEXT_SECTION_ASM_OP (TARGET_SHMEDIA32 ? "\t.section\t.text..SHmedia32,\"ax\"" : "\t.text")
#define DATA_SECTION_ASM_OP "\t.data"
-#define CTORS_SECTION_ASM_OP "\t.section\t.ctors\n"
-#define DTORS_SECTION_ASM_OP "\t.section\t.dtors\n"
-#define EXTRA_SECTIONS in_ctors, in_dtors
-#define EXTRA_SECTION_FUNCTIONS \
-void \
-ctors_section() \
-{ \
- if (in_section != in_ctors) \
- { \
- fprintf (asm_out_file, "%s\n", CTORS_SECTION_ASM_OP); \
- in_section = in_ctors; \
- } \
-} \
-void \
-dtors_section() \
-{ \
- if (in_section != in_dtors) \
- { \
- fprintf (asm_out_file, "%s\n", DTORS_SECTION_ASM_OP); \
- in_section = in_dtors; \
- } \
-}
+
+#if defined CRT_BEGIN || defined CRT_END
+/* Arrange for TEXT_SECTION_ASM_OP to be a compile-time constant. */
+# undef TEXT_SECTION_ASM_OP
+# if __SHMEDIA__ == 1 && __SH5__ == 32
+# define TEXT_SECTION_ASM_OP "\t.section\t.text..SHmedia32,\"ax\""
+# else
+# define TEXT_SECTION_ASM_OP "\t.text"
+# endif
+#endif
+
/* If defined, a C expression whose value is a string containing the
assembler operation to identify the following data as
`-fno-common' is passed, otherwise `ASM_OUTPUT_COMMON' will be
used. */
#ifndef BSS_SECTION_ASM_OP
-#define BSS_SECTION_ASM_OP ".section\t.bss"
+#define BSS_SECTION_ASM_OP "\t.section\t.bss"
#endif
/* Like `ASM_OUTPUT_BSS' except takes the required alignment as a
specified as the number of bits.
Try to use function `asm_output_aligned_bss' defined in file
- `varasm.c' when defining this macro. */
+ `varasm.c' when defining this macro. */
#ifndef ASM_OUTPUT_ALIGNED_BSS
#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
which could be text or it could be a user defined section. */
#define JUMP_TABLES_IN_TEXT_SECTION 1
-/* A C statement to output something to the assembler file to switch to section
- NAME for object DECL which is either a FUNCTION_DECL, a VAR_DECL or
- NULL_TREE. Some target formats do not support arbitrary sections. Do not
- define this macro in such cases. */
-
-#define ASM_OUTPUT_SECTION_NAME(FILE, DECL, NAME, RELOC) \
- do { fprintf (FILE, ".section\t%s\n", NAME); } while (0)
-
-#define ASM_OUTPUT_CONSTRUCTOR(FILE,NAME) \
- do { ctors_section(); asm_fprintf((FILE),"\t.long\t%U%s\n", (NAME)); } while (0)
-
-#define ASM_OUTPUT_DESTRUCTOR(FILE,NAME) \
- do { dtors_section(); asm_fprintf((FILE),"\t.long\t%U%s\n", (NAME)); } while (0)
-
#undef DO_GLOBAL_CTORS_BODY
-
#define DO_GLOBAL_CTORS_BODY \
{ \
typedef (*pfunc)(); \
#define ASM_OUTPUT_REG_POP(file, v) \
fprintf ((file), "\tmov.l\t@r15+,r%d\n", (v));
-/* The assembler's names for the registers. RFP need not always be used as
- the Real framepointer; it can also be used as a normal general register.
- Note that the name `fp' is horribly misleading since `fp' is in fact only
- the argument-and-return-context pointer. */
-
-extern char fp_reg_names[][5];
-
-#define REGISTER_NAMES \
-{ \
- "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
- "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \
- "ap", "pr", "t", "gbr", "mach","macl", fp_reg_names[16], "rap", \
- fp_reg_names[0], fp_reg_names[1] , fp_reg_names[2], fp_reg_names[3], \
- fp_reg_names[4], fp_reg_names[5], fp_reg_names[6], fp_reg_names[7], \
- fp_reg_names[8], fp_reg_names[9], fp_reg_names[10], fp_reg_names[11], \
- fp_reg_names[12], fp_reg_names[13], fp_reg_names[14], fp_reg_names[15], \
- fp_reg_names[17], fp_reg_names[18], fp_reg_names[19], fp_reg_names[20], \
- fp_reg_names[21], fp_reg_names[22], fp_reg_names[23], fp_reg_names[24], \
- "fpscr", \
-}
-
-#define DEBUG_REGISTER_NAMES \
-{ \
- "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
- "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \
- "ap", "pr", "t", "gbr", "mach","macl", "fpul","rap", \
- "fr0","fr1","fr2", "fr3", "fr4", "fr5", "fr6", "fr7", \
- "fr8","fr9","fr10","fr11","fr12","fr13","fr14","fr15",\
- "xd0","xd2","xd4", "xd6", "xd8", "xd10","xd12","xd14", \
- "fpscr", \
-}
-
/* DBX register number for a given compiler register number. */
/* GDB has FPUL at 23 and FP0 at 25, so we must add one to all FP registers
to match gdb. */
-#define DBX_REGISTER_NUMBER(REGNO) \
- (((REGNO) >= 22 && (REGNO) <= 39) ? ((REGNO) + 1) : (REGNO))
+/* svr4.h undefines this macro, yet we really want to use the same numbers
+ for coff as for elf, so we go via another macro: SH_DBX_REGISTER_NUMBER. */
+#define DBX_REGISTER_NUMBER(REGNO) SH_DBX_REGISTER_NUMBER (REGNO)
+
+#define SH_DBX_REGISTER_NUMBER(REGNO) \
+ (GENERAL_REGISTER_P (REGNO) \
+ ? ((REGNO) - FIRST_GENERAL_REG) \
+ : FP_REGISTER_P (REGNO) \
+ ? ((REGNO) - FIRST_FP_REG + (TARGET_SH5 ? (TARGET_SHCOMPACT ? 245 \
+ : 77) : 25)) \
+ : XD_REGISTER_P (REGNO) \
+ ? ((REGNO) - FIRST_XD_REG + (TARGET_SH5 ? 289 : 87)) \
+ : TARGET_REGISTER_P (REGNO) \
+ ? ((REGNO) - FIRST_TARGET_REG + 68) \
+ : (REGNO) == PR_REG \
+ ? (TARGET_SH5 ? 241 : 17) \
+ : (REGNO) == T_REG \
+ ? (TARGET_SH5 ? 242 : 18) \
+ : (REGNO) == GBR_REG \
+ ? (TARGET_SH5 ? 238 : 19) \
+ : (REGNO) == MACH_REG \
+ ? (TARGET_SH5 ? 239 : 20) \
+ : (REGNO) == MACL_REG \
+ ? (TARGET_SH5 ? 240 : 21) \
+ : (REGNO) == FPUL_REG \
+ ? (TARGET_SH5 ? 244 : 23) \
+ : (abort(), -1))
+
+/* This is how to output a reference to a user-level label named NAME. */
+#define ASM_OUTPUT_LABELREF(FILE, NAME) \
+ do \
+ { \
+ char * lname; \
+ \
+ STRIP_DATALABEL_ENCODING (lname, (NAME)); \
+ if (lname[0] == '*') \
+ fputs (lname + 1, (FILE)); \
+ else \
+ asm_fprintf ((FILE), "%U%s", lname); \
+ } \
+ while (0)
+
+/* This is how to output a reference to a symbol_ref. On SH5,
+ references to non-code symbols must be preceded by `datalabel'. */
+#define ASM_OUTPUT_SYMBOL_REF(FILE,SYM) \
+ do \
+ { \
+ if (TARGET_SH5 \
+ && (DATALABEL_SYMNAME_P (XSTR ((SYM), 0)) \
+ || CONSTANT_POOL_ADDRESS_P (SYM))) \
+ fputs ("datalabel ", (FILE)); \
+ assemble_name ((FILE), XSTR ((SYM), 0)); \
+ } \
+ while (0)
/* Output a label definition. */
#define ASM_OUTPUT_LABEL(FILE,NAME) \
if ((LOG) != 0) \
fprintf ((FILE), "\t.align %d\n", (LOG))
-/* Output a function label definition. */
-#define ASM_DECLARE_FUNCTION_NAME(STREAM,NAME,DECL) \
- ASM_OUTPUT_LABEL((STREAM), (NAME))
-
/* Output a globalising directive for a label. */
#define ASM_GLOBALIZE_LABEL(STREAM,NAME) \
(fprintf ((STREAM), "\t.global\t"), \
assemble_name ((STREAM), (NAME)), \
fputc ('\n', (STREAM)))
-/* The prefix to add to user-visible assembler symbols. */
-
-#define USER_LABEL_PREFIX "_"
-
-/* The prefix to add to an internally generated label. */
-
-#define LOCAL_LABEL_PREFIX ""
-
-/* Make an internal label into a string. */
-#define ASM_GENERATE_INTERNAL_LABEL(STRING, PREFIX, NUM) \
- sprintf ((STRING), "*%s%s%ld", LOCAL_LABEL_PREFIX, (PREFIX), (long)(NUM))
-
-/* Output an internal label definition. */
-#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \
- asm_fprintf ((FILE), "%L%s%d:\n", (PREFIX), (NUM))
-
/* #define ASM_OUTPUT_CASE_END(STREAM,NUM,TABLE) */
/* Construct a private name. */
switch (GET_MODE (BODY)) \
{ \
case SImode: \
+ if (TARGET_SH5) \
+ { \
+ asm_fprintf ((STREAM), "\t.long\t%LL%d-datalabel %LL%d\n", \
+ (VALUE), (REL)); \
+ break; \
+ } \
asm_fprintf ((STREAM), "\t.long\t%LL%d-%LL%d\n", (VALUE),(REL)); \
break; \
case HImode: \
+ if (TARGET_SH5) \
+ { \
+ asm_fprintf ((STREAM), "\t.word\t%LL%d-datalabel %LL%d\n", \
+ (VALUE), (REL)); \
+ break; \
+ } \
asm_fprintf ((STREAM), "\t.word\t%LL%d-%LL%d\n", (VALUE),(REL)); \
break; \
case QImode: \
+ if (TARGET_SH5) \
+ { \
+ asm_fprintf ((STREAM), "\t.byte\t%LL%d-datalabel %LL%d\n", \
+ (VALUE), (REL)); \
+ break; \
+ } \
asm_fprintf ((STREAM), "\t.byte\t%LL%d-%LL%d\n", (VALUE),(REL)); \
break; \
default: \
#define ASM_OUTPUT_ADDR_VEC_ELT(STREAM,VALUE) \
if (TARGET_BIGTABLE) \
- asm_fprintf ((STREAM), "\t.long\t%LL%d\n", (VALUE)); \
+ asm_fprintf ((STREAM), "\t.long\t%LL%d\n", (VALUE)); \
else \
- asm_fprintf ((STREAM), "\t.word\t%LL%d\n", (VALUE)); \
-
-/* Output various types of constants. */
-
-/* This is how to output an assembler line defining a `double'. */
-
-#define ASM_OUTPUT_DOUBLE(FILE,VALUE) \
-do { char dstr[30]; \
- REAL_VALUE_TO_DECIMAL ((VALUE), "%.20e", dstr); \
- fprintf ((FILE), "\t.double %s\n", dstr); \
- } while (0)
-
-/* This is how to output an assembler line defining a `float' constant. */
-#define ASM_OUTPUT_FLOAT(FILE,VALUE) \
-do { char dstr[30]; \
- REAL_VALUE_TO_DECIMAL ((VALUE), "%.20e", dstr); \
- fprintf ((FILE), "\t.float %s\n", dstr); \
- } while (0)
-
-#define ASM_OUTPUT_INT(STREAM, EXP) \
- (fprintf ((STREAM), "\t.long\t"), \
- output_pic_addr_const ((STREAM), (EXP)), \
- fputc ('\n', (STREAM)))
-
-#define ASM_OUTPUT_SHORT(STREAM, EXP) \
- (fprintf ((STREAM), "\t.short\t"), \
- output_pic_addr_const ((STREAM), (EXP)), \
- fputc ('\n', (STREAM)))
-
-#define ASM_OUTPUT_CHAR(STREAM, EXP) \
- (fprintf ((STREAM), "\t.byte\t"), \
- output_addr_const ((STREAM), (EXP)), \
- fputc ('\n', (STREAM)))
-
-#define ASM_OUTPUT_BYTE(STREAM, VALUE) \
- fprintf ((STREAM), "\t.byte\t%d\n", (VALUE)) \
-
-/* The next two are used for debug info when compiling with -gdwarf. */
-#define UNALIGNED_SHORT_ASM_OP ".uaword"
-#define UNALIGNED_INT_ASM_OP ".ualong"
-
-/* Loop alignment is now done in machine_dependent_reorg, so that
- branch shortening can know about it. */
+ asm_fprintf ((STREAM), "\t.word\t%LL%d\n", (VALUE));
-/* This is how to output an assembler line
- that says to advance the location counter by SIZE bytes. */
-
-#define ASM_OUTPUT_SKIP(FILE,SIZE) \
- fprintf ((FILE), "\t.space %d\n", (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), ",%d\n", (SIZE)))
-
-/* 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", (SIZE)))
-
-/* The assembler's parentheses characters. */
-#define ASM_OPEN_PAREN "("
-#define ASM_CLOSE_PAREN ")"
-
-/* Target characters. */
-#define TARGET_BELL 007
-#define TARGET_BS 010
-#define TARGET_TAB 011
-#define TARGET_NEWLINE 012
-#define TARGET_VT 013
-#define TARGET_FF 014
-#define TARGET_CR 015
\f
/* A C statement to be executed just prior to the output of
assembler code for INSN, to modify the extracted operands so
#define PRINT_OPERAND_PUNCT_VALID_P(CHAR) \
((CHAR) == '.' || (CHAR) == '#' || (CHAR) == '@' || (CHAR) == ',' \
- || (CHAR) == '$')
+ || (CHAR) == '$'|| (CHAR) == '\'')
+
+/* Recognize machine-specific patterns that may appear within
+ constants. Used for PIC-specific UNSPECs. */
+#define OUTPUT_ADDR_CONST_EXTRA(STREAM, X, FAIL) \
+ do \
+ if (GET_CODE (X) == UNSPEC && XVECLEN ((X), 0) == 1) \
+ { \
+ switch (XINT ((X), 1)) \
+ { \
+ case UNSPEC_DATALABEL: \
+ fputs ("datalabel ", (STREAM)); \
+ output_addr_const ((STREAM), XVECEXP ((X), 0, 0)); \
+ break; \
+ case UNSPEC_PIC: \
+ /* GLOBAL_OFFSET_TABLE or local symbols, no suffix. */ \
+ output_addr_const ((STREAM), XVECEXP ((X), 0, 0)); \
+ break; \
+ case UNSPEC_GOT: \
+ output_addr_const ((STREAM), XVECEXP ((X), 0, 0)); \
+ fputs ("@GOT", (STREAM)); \
+ break; \
+ case UNSPEC_GOTOFF: \
+ output_addr_const ((STREAM), XVECEXP ((X), 0, 0)); \
+ fputs ("@GOTOFF", (STREAM)); \
+ break; \
+ case UNSPEC_PLT: \
+ output_addr_const ((STREAM), XVECEXP ((X), 0, 0)); \
+ fputs ("@PLT", (STREAM)); \
+ break; \
+ case UNSPEC_GOTPLT: \
+ output_addr_const ((STREAM), XVECEXP ((X), 0, 0)); \
+ fputs ("@GOTPLT", (STREAM)); \
+ break; \
+ case UNSPEC_CALLER: \
+ { \
+ char name[32]; \
+ /* LPCS stands for Label for PIC Call Site. */ \
+ ASM_GENERATE_INTERNAL_LABEL \
+ (name, "LPCS", INTVAL (XVECEXP ((X), 0, 0))); \
+ assemble_name ((STREAM), name); \
+ } \
+ break; \
+ default: \
+ goto FAIL; \
+ } \
+ break; \
+ } \
+ else \
+ goto FAIL; \
+ while (0)
+
\f
extern struct rtx_def *sh_compare_op0;
extern struct rtx_def *sh_compare_op1;
PROCESSOR_SH2,
PROCESSOR_SH3,
PROCESSOR_SH3E,
- PROCESSOR_SH4
+ PROCESSOR_SH4,
+ PROCESSOR_SH5
};
#define sh_cpu_attr ((enum attr_cpu)sh_cpu)
#define TARGET_MEM_FUNCTIONS
-/* Define this macro if you want to implement any pragmas. If defined, it
- is a C expression whose value is 1 if the pragma was handled by the
- macro, zero otherwise. */
-#define HANDLE_PRAGMA(GETC, UNGETC, NODE) sh_handle_pragma (GETC, UNGETC, NODE)
+/* Handle Hitachi compiler's pragmas. */
+#define REGISTER_TARGET_PRAGMAS(PFILE) do { \
+ cpp_register_pragma (PFILE, 0, "interrupt", sh_pr_interrupt); \
+ cpp_register_pragma (PFILE, 0, "trapa", sh_pr_trapa); \
+ cpp_register_pragma (PFILE, 0, "nosave_low_regs", sh_pr_nosave_low_regs); \
+} while (0)
/* Set when processing a function with pragma interrupt turned on. */
extern int pragma_interrupt;
+/* Set when processing a function with interrupt attribute. */
+
+extern int current_function_interrupt;
+
/* Set to an RTX containing the address of the stack to switch to
for interrupt functions. */
extern struct rtx_def *sp_switch;
-/* A C expression whose value is nonzero if IDENTIFIER with arguments ARGS
- is a valid machine specific attribute for DECL.
- The attributes in ATTRIBUTES have previously been assigned to DECL. */
-#define VALID_MACHINE_DECL_ATTRIBUTE(DECL, ATTRIBUTES, IDENTIFIER, ARGS) \
-sh_valid_machine_decl_attribute (DECL, ATTRIBUTES, IDENTIFIER, ARGS)
-
-#define PRAGMA_INSERT_ATTRIBUTES(node, pattr, prefix_attr) \
- sh_pragma_insert_attributes (node, pattr, prefix_attr)
-
extern int rtx_equal_function_value_matters;
-extern struct rtx_def *fpscr_rtx;
\f
/* Instructions with unfilled delay slots take up an
\f
/* Define the codes that are matched by predicates in sh.c. */
#define PREDICATE_CODES \
+ {"and_operand", {SUBREG, REG, CONST_INT}}, \
{"arith_operand", {SUBREG, REG, CONST_INT}}, \
+ {"arith_reg_dest", {SUBREG, REG}}, \
{"arith_reg_operand", {SUBREG, REG}}, \
- {"arith_reg_or_0_operand", {SUBREG, REG, CONST_INT}}, \
+ {"arith_reg_or_0_operand", {SUBREG, REG, CONST_INT, CONST_VECTOR}}, \
{"binary_float_operator", {PLUS, MULT}}, \
{"commutative_float_operator", {PLUS, MULT}}, \
+ {"equality_comparison_operator", {EQ,NE}}, \
+ {"extend_reg_operand", {SUBREG, REG, TRUNCATE}}, \
+ {"extend_reg_or_0_operand", {SUBREG, REG, TRUNCATE, CONST_INT}}, \
{"fp_arith_reg_operand", {SUBREG, REG}}, \
- {"fp_extended_operand", {SUBREG, REG, FLOAT_EXTEND}}, \
{"fpscr_operand", {REG}}, \
- {"general_movsrc_operand", {SUBREG, REG, CONST_INT, MEM}}, \
- {"general_movdst_operand", {SUBREG, REG, CONST_INT, MEM}}, \
+ {"fpul_operand", {REG}}, \
+ {"general_extend_operand", {SUBREG, REG, MEM, TRUNCATE}}, \
+ {"general_movsrc_operand", {SUBREG, REG, CONST_INT, CONST_DOUBLE, MEM}}, \
+ {"general_movdst_operand", {SUBREG, REG, MEM}}, \
+ {"greater_comparison_operator", {GT,GE,GTU,GEU}}, \
+ {"inqhi_operand", {TRUNCATE}}, \
+ {"less_comparison_operator", {LT,LE,LTU,LEU}}, \
{"logical_operand", {SUBREG, REG, CONST_INT}}, \
+ {"mextr_bit_offset", {CONST_INT}}, \
{"noncommutative_float_operator", {MINUS, DIV}}, \
- {"register_operand", {SUBREG, REG}},
+ {"shmedia_6bit_operand", {SUBREG, REG, CONST_INT}}, \
+ {"target_reg_operand", {SUBREG, REG}}, \
+ {"target_operand", {SUBREG, REG, LABEL_REF, SYMBOL_REF, CONST, UNSPEC}},\
+ {"register_operand", {SUBREG, REG}}, \
+ {"sh_const_vec", {CONST_VECTOR}}, \
+ {"sh_1el_vec", {CONST_VECTOR, PARALLEL}}, \
+ {"sh_rep_vec", {CONST_VECTOR, PARALLEL}}, \
+ {"symbol_ref_operand", {SYMBOL_REF}}, \
+ {"zero_vec_operand", {CONST_VECTOR}},
/* Define this macro if it is advisable to hold scalars in registers
in a wider mode than that declared by the program. In such cases,
#define PROMOTE_MODE(MODE, UNSIGNEDP, TYPE) \
if (GET_MODE_CLASS (MODE) == MODE_INT \
&& GET_MODE_SIZE (MODE) < UNITS_PER_WORD) \
- (MODE) = SImode;
+ (UNSIGNEDP) = ((MODE) == SImode ? 0 : (UNSIGNEDP)), \
+ (MODE) = (TARGET_SH1 ? SImode : DImode);
/* Defining PROMOTE_FUNCTION_ARGS eliminates some unnecessary zero/sign
extensions applied to char/short functions arguments. Defining
clear if this would give better code. If implemented, should check for
compatibility problems. */
-/* A C statement (sans semicolon) to update the integer variable COST
- based on the relationship between INSN that is dependent on
- DEP_INSN through the dependence LINK. The default is to make no
- adjustment to COST. This can be used for example to specify to
- the scheduler that an output- or anti-dependence does not incur
- the same cost as a data-dependence. */
-
-#define ADJUST_COST(insn,link,dep_insn,cost) \
-do { \
- rtx reg; \
- \
- if (GET_CODE(insn) == CALL_INSN) \
- { \
- /* The only input for a call that is timing-critical is the \
- function's address. */ \
- rtx call = PATTERN (insn); \
- \
- if (GET_CODE (call) == PARALLEL) \
- call = XVECEXP (call, 0 ,0); \
- if (GET_CODE (call) == SET) \
- call = SET_SRC (call); \
- if (GET_CODE (call) == CALL && GET_CODE (XEXP (call, 0)) == MEM \
- && ! reg_set_p (XEXP (XEXP (call, 0), 0), dep_insn)) \
- (cost) = 0; \
- } \
- /* All sfunc calls are parallels with at least four components. \
- Exploit this to avoid unnecessary calls to sfunc_uses_reg. */ \
- else if (GET_CODE (PATTERN (insn)) == PARALLEL \
- && XVECLEN (PATTERN (insn), 0) >= 4 \
- && (reg = sfunc_uses_reg (insn))) \
- { \
- /* Likewise, the most timing critical input for an sfuncs call \
- is the function address. However, sfuncs typically start \
- using their arguments pretty quickly. \
- Assume a four cycle delay before they are needed. */ \
- if (! reg_set_p (reg, dep_insn)) \
- cost -= TARGET_SUPERSCALAR ? 40 : 4; \
- } \
- /* Adjust load_si / pcload_si type insns latency. Use the known \
- nominal latency and form of the insn to speed up the check. */ \
- else if (cost == 3 \
- && GET_CODE (PATTERN (dep_insn)) == SET \
- /* Latency for dmpy type insns is also 3, so check the that \
- it's actually a move insn. */ \
- && general_movsrc_operand (SET_SRC (PATTERN (dep_insn)), SImode))\
- cost = 2; \
- else if (cost == 30 \
- && GET_CODE (PATTERN (dep_insn)) == SET \
- && GET_MODE (SET_SRC (PATTERN (dep_insn))) == SImode) \
- cost = 20; \
-} while (0) \
-
#define SH_DYNAMIC_SHIFT_COST \
(TARGET_HARD_SH4 ? 1 : TARGET_SH3 ? (TARGET_SMALLCODE ? 1 : 2) : 20)
#define OPTIMIZE_MODE_SWITCHING(ENTITY) TARGET_SH4
#define NORMAL_MODE(ENTITY) \
- (TARGET_FPU_SINGLE ? FP_MODE_SINGLE : FP_MODE_DOUBLE)
+ (sh_cfun_interrupt_handler_p () ? FP_MODE_NONE \
+ : TARGET_FPU_SINGLE ? FP_MODE_SINGLE \
+ : FP_MODE_DOUBLE)
-#define EPILOGUE_USES(REGNO) (TARGET_SH4 && (REGNO) == FPSCR_REG)
+#define EPILOGUE_USES(REGNO) ((TARGET_SH3E || TARGET_SH4) \
+ && (REGNO) == FPSCR_REG)
#define MODE_NEEDED(ENTITY, INSN) \
(recog_memoized (INSN) >= 0 \
#define EMIT_MODE_SET(ENTITY, MODE, HARD_REGS_LIVE) \
fpscr_set_from_mem ((MODE), (HARD_REGS_LIVE))
-#define DWARF_LINE_MIN_INSTR_LENGTH 2
-
-#undef INIT_SECTION_ASM_OP
-#define INIT_SECTION_ASM_OP ".section\t.init"
-#undef FINI_SECTION_ASM_OP
-#define FINI_SECTION_ASM_OP ".section\t.fini"
-
-#undef STARTFILE_SPEC
-#define STARTFILE_SPEC \
- "crt1.o%s crti.o%s crtbegin.o%s"
+#define MD_CAN_REDIRECT_BRANCH(INSN, SEQ) \
+ sh_can_redirect_branch ((INSN), (SEQ))
-#undef ENDFILE_SPEC
-#define ENDFILE_SPEC \
- "crtend.o%s crtn.o%s"
+#define DWARF_FRAME_RETURN_COLUMN (TARGET_SH5 ? PR_MEDIA_REG : PR_REG)
+#if (defined CRT_BEGIN || defined CRT_END) && ! __SHMEDIA__
/* SH constant pool breaks the devices in crtstuff.c to control section
in where code resides. We have to write it as asm code. */
-#define CRT_CALL_STATIC_FUNCTION(func) \
- if (0) \
- /* This avoids warnings about the static function being unused. */ \
- func (); \
- else \
- /* We should be passing FUNC to the asm statement as an asm input \
- operand, but this breaks with -fPIC. FIXME. */ \
- asm \
- ("mov.l 1f,r1\n\
+#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC) \
+ asm (SECTION_OP "\n\
+ mov.l 1f,r1\n\
mova 2f,r0\n\
braf r1\n\
lds r0,pr\n\
0: .p2align 2\n\
-1: .long " USER_LABEL_PREFIX #func " - 0b\n\
-2:")
+1: .long " USER_LABEL_PREFIX #FUNC " - 0b\n\
+2:\n" TEXT_SECTION_ASM_OP);
+#endif /* (defined CRT_BEGIN || defined CRT_END) && ! __SHMEDIA__ */
+
+#define ALLOCATE_INITIAL_VALUE(hard_reg) \
+ (REGNO (hard_reg) == (TARGET_SH5 ? PR_MEDIA_REG : PR_REG) \
+ ? (current_function_is_leaf && ! sh_pr_n_sets () \
+ ? (hard_reg) \
+ : gen_rtx_MEM (Pmode, TARGET_SH5 \
+ ? (plus_constant (arg_pointer_rtx, \
+ TARGET_SHMEDIA64 ? -8 : -4)) \
+ : frame_pointer_rtx)) \
+ : NULL_RTX)
+
+#endif /* ! GCC_SH_H */
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