/* GCC backend definitions for the Renesas RX processor. Copyright (C) 2008-2016 Free Software Foundation, Inc. Contributed by Red Hat. This file is part of GCC. GCC is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GCC is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GCC; see the file COPYING3. If not see . */ #define TARGET_CPU_CPP_BUILTINS() \ do \ { \ builtin_define ("__RX__"); \ builtin_assert ("cpu=RX"); \ if (rx_cpu_type == RX610) \ { \ builtin_define ("__RX610__"); \ builtin_assert ("machine=RX610"); \ } \ else if (rx_cpu_type == RX100) \ { \ builtin_define ("__RX100__"); \ builtin_assert ("machine=RX100"); \ } \ else if (rx_cpu_type == RX200) \ { \ builtin_define ("__RX200__"); \ builtin_assert ("machine=RX200"); \ } \ else if (rx_cpu_type == RX600) \ { \ builtin_define ("__RX600__"); \ builtin_assert ("machine=RX600"); \ } \ \ if (TARGET_BIG_ENDIAN_DATA) \ builtin_define ("__RX_BIG_ENDIAN__"); \ else \ builtin_define ("__RX_LITTLE_ENDIAN__");\ \ if (TARGET_64BIT_DOUBLES) \ builtin_define ("__RX_64BIT_DOUBLES__");\ else \ builtin_define ("__RX_32BIT_DOUBLES__");\ \ if (ALLOW_RX_FPU_INSNS) \ builtin_define ("__RX_FPU_INSNS__"); \ \ if (TARGET_AS100_SYNTAX) \ builtin_define ("__RX_AS100_SYNTAX__"); \ else \ builtin_define ("__RX_GAS_SYNTAX__"); \ \ if (TARGET_GCC_ABI) \ builtin_define ("__RX_GCC_ABI__"); \ else \ builtin_define ("__RX_ABI__"); \ \ if (rx_allow_string_insns) \ builtin_define ("__RX_ALLOW_STRING_INSNS__"); \ else \ builtin_define ("__RX_DISALLOW_STRING_INSNS__");\ } \ while (0) #undef CC1_SPEC #define CC1_SPEC "\ %{mas100-syntax:%{gdwarf*:%e-mas100-syntax is incompatible with -gdwarf}} \ %{mcpu=rx100:%{fpu:%erx100 cpu does not have FPU hardware}} \ %{mcpu=rx200:%{fpu:%erx200 cpu does not have FPU hardware}}" #undef STARTFILE_SPEC #define STARTFILE_SPEC "%{pg:gcrt0.o%s}%{!pg:crt0.o%s} crtbegin.o%s" #undef ENDFILE_SPEC #define ENDFILE_SPEC "crtend.o%s crtn.o%s" #undef CPP_SPEC #define CPP_SPEC "\ %{mpid:-D_RX_PID=1} \ %{mint-register=*:-D_RX_INT_REGISTERS=%*} \ %{msmall-data-limit*:-D_RX_SMALL_DATA} \ " #undef ASM_SPEC #define ASM_SPEC "\ %{mbig-endian-data:-mbig-endian-data} \ %{m64bit-doubles:-m64bit-doubles} \ %{!m64bit-doubles:-m32bit-doubles} \ %{msmall-data-limit*:-msmall-data-limit} \ %{mrelax:-relax} \ %{mpid} \ %{mno-allow-string-insns} \ %{mint-register=*} \ %{mgcc-abi:-mgcc-abi} %{!mgcc-abi:-mrx-abi} \ %{mcpu=*} \ " #undef LIB_SPEC #define LIB_SPEC " \ --start-group \ -lc \ %{msim:-lsim}%{!msim:-lnosys} \ %{fprofile-arcs|fprofile-generate|coverage:-lgcov} \ --end-group \ %{!T*: %{msim:%Trx-sim.ld}%{!msim:%Trx.ld}} \ " #undef LINK_SPEC #define LINK_SPEC "%{mbig-endian-data:--oformat elf32-rx-be} %{mrelax:-relax}" #define BITS_BIG_ENDIAN 0 #define BYTES_BIG_ENDIAN TARGET_BIG_ENDIAN_DATA #define WORDS_BIG_ENDIAN TARGET_BIG_ENDIAN_DATA #define UNITS_PER_WORD 4 #define INT_TYPE_SIZE 32 #define LONG_TYPE_SIZE 32 #define LONG_LONG_TYPE_SIZE 64 #define FLOAT_TYPE_SIZE 32 #define DOUBLE_TYPE_SIZE (TARGET_64BIT_DOUBLES ? 64 : 32) #define LONG_DOUBLE_TYPE_SIZE DOUBLE_TYPE_SIZE #define DEFAULT_SIGNED_CHAR 0 /* RX load/store instructions can handle unaligned addresses. */ #define STRICT_ALIGNMENT 0 #define FUNCTION_BOUNDARY ((rx_cpu_type == RX100 || rx_cpu_type == RX200) ? 4 : 8) #define BIGGEST_ALIGNMENT 32 #define STACK_BOUNDARY 32 #define PARM_BOUNDARY 8 #define STACK_GROWS_DOWNWARD 1 #define FRAME_GROWS_DOWNWARD 0 #define FIRST_PARM_OFFSET(FNDECL) 0 #define MAX_REGS_PER_ADDRESS 2 #define Pmode SImode #define POINTER_SIZE 32 #undef SIZE_TYPE #define SIZE_TYPE "long unsigned int" #undef PTRDIFF_TYPE #define PTRDIFF_TYPE "long int" #undef WCHAR_TYPE #define WCHAR_TYPE "long int" #undef WCHAR_TYPE_SIZE #define WCHAR_TYPE_SIZE BITS_PER_WORD #define POINTERS_EXTEND_UNSIGNED 1 #define FUNCTION_MODE QImode #define CASE_VECTOR_MODE Pmode #define WORD_REGISTER_OPERATIONS 1 #define HAS_LONG_COND_BRANCH 0 #define HAS_LONG_UNCOND_BRANCH 0 #define MOVE_MAX 4 #define STARTING_FRAME_OFFSET 0 #define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1 #define HAVE_PRE_DECREMENT 1 #define HAVE_POST_INCREMENT 1 #define MOVE_RATIO(SPEED) ((SPEED) ? 4 : 2) #define SLOW_BYTE_ACCESS 1 #define STORE_FLAG_VALUE 1 #define LOAD_EXTEND_OP(MODE) SIGN_EXTEND #define SHORT_IMMEDIATES_SIGN_EXTEND 1 enum reg_class { NO_REGS, /* No registers in set. */ GR_REGS, /* Integer registers. */ ALL_REGS, /* All registers. */ LIM_REG_CLASSES /* Max value + 1. */ }; #define REG_CLASS_NAMES \ { \ "NO_REGS", \ "GR_REGS", \ "ALL_REGS" \ } #define REG_CLASS_CONTENTS \ { \ { 0x00000000 }, /* No registers, */ \ { 0x0000ffff }, /* Integer registers. */ \ { 0x0000ffff } /* All registers. */ \ } #define N_REG_CLASSES (int) LIM_REG_CLASSES #define CLASS_MAX_NREGS(CLASS, MODE) ((GET_MODE_SIZE (MODE) \ + UNITS_PER_WORD - 1) \ / UNITS_PER_WORD) #define GENERAL_REGS GR_REGS #define BASE_REG_CLASS GR_REGS #define INDEX_REG_CLASS GR_REGS #define FIRST_PSEUDO_REGISTER 17 #define REGNO_REG_CLASS(REGNO) ((REGNO) < FIRST_PSEUDO_REGISTER \ ? GR_REGS : NO_REGS) #define STACK_POINTER_REGNUM 0 #define FUNC_RETURN_REGNUM 1 #define FRAME_POINTER_REGNUM 6 #define ARG_POINTER_REGNUM 7 #define STATIC_CHAIN_REGNUM 8 #define TRAMPOLINE_TEMP_REGNUM 9 #define STRUCT_VAL_REGNUM 15 #define CC_REGNUM 16 /* This is the register which will probably be used to hold the address of the start of the small data area, if -msmall-data-limit is being used, or the address of the constant data area if -mpid is being used. If both features are in use then two consecutive registers will be used. Note - these registers must not be call_used because otherwise library functions that are compiled without -msmall-data-limit/-mpid support might clobber them. Note that the actual values used depends on other options; use rx_gp_base_regnum() and rx_pid_base_regnum() instead. */ #define GP_BASE_REGNUM 13 #define ELIMINABLE_REGS \ {{ ARG_POINTER_REGNUM, STACK_POINTER_REGNUM }, \ { ARG_POINTER_REGNUM, FRAME_POINTER_REGNUM }, \ { FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM }} #define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \ (OFFSET) = rx_initial_elimination_offset ((FROM), (TO)) #define FUNCTION_ARG_REGNO_P(N) (((N) >= 1) && ((N) <= 4)) #define FUNCTION_VALUE_REGNO_P(N) ((N) == FUNC_RETURN_REGNUM) #define DEFAULT_PCC_STRUCT_RETURN 0 #define FIXED_REGISTERS \ { \ 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1 \ } #define CALL_USED_REGISTERS \ { \ 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1 \ } #define LIBCALL_VALUE(MODE) \ gen_rtx_REG (((GET_MODE_CLASS (MODE) != MODE_INT \ || COMPLEX_MODE_P (MODE) \ || VECTOR_MODE_P (MODE) \ || GET_MODE_SIZE (MODE) >= 4) \ ? (MODE) \ : SImode), \ FUNC_RETURN_REGNUM) /* Order of allocation of registers. */ #define REG_ALLOC_ORDER \ { 7, 10, 11, 12, 13, 14, 4, 3, 2, 1, 9, 8, 6, 5, 15 \ } #define REGNO_IN_RANGE(REGNO, MIN, MAX) \ (IN_RANGE ((REGNO), (MIN), (MAX)) \ || (reg_renumber != NULL \ && reg_renumber[(REGNO)] >= (MIN) \ && reg_renumber[(REGNO)] <= (MAX))) #ifdef REG_OK_STRICT #define REGNO_OK_FOR_BASE_P(regno) REGNO_IN_RANGE (regno, 0, 15) #else #define REGNO_OK_FOR_BASE_P(regno) 1 #endif #define REGNO_OK_FOR_INDEX_P(regno) REGNO_OK_FOR_BASE_P (regno) #define RTX_OK_FOR_BASE(X, STRICT) \ ((STRICT) ? \ ( (REG_P (X) \ && REGNO_IN_RANGE (REGNO (X), 0, 15)) \ || (GET_CODE (X) == SUBREG \ && REG_P (SUBREG_REG (X)) \ && REGNO_IN_RANGE (REGNO (SUBREG_REG (X)), 0, 15))) \ : \ ( (REG_P (X) \ || (GET_CODE (X) == SUBREG \ && REG_P (SUBREG_REG (X)))))) #define RETURN_ADDR_RTX(COUNT, FRAMEADDR) \ ((COUNT) == 0 \ ? gen_rtx_MEM (Pmode, gen_rtx_PLUS (Pmode, arg_pointer_rtx, GEN_INT (-4))) \ : NULL_RTX) #define INCOMING_RETURN_ADDR_RTX gen_rtx_MEM (Pmode, stack_pointer_rtx) #define ACCUMULATE_OUTGOING_ARGS 1 typedef unsigned int CUMULATIVE_ARGS; #define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, INDIRECT, N_NAMED_ARGS) \ (CUM) = 0 #define TRAMPOLINE_SIZE (! TARGET_BIG_ENDIAN_DATA ? 14 : 20) #define TRAMPOLINE_ALIGNMENT 32 #define NO_PROFILE_COUNTERS 1 #define PROFILE_BEFORE_PROLOGUE 1 #define FUNCTION_PROFILER(FILE, LABELNO) \ fprintf (FILE, "\tbsr\t__mcount\n"); #define HARD_REGNO_NREGS(REGNO, MODE) CLASS_MAX_NREGS (0, MODE) #define HARD_REGNO_MODE_OK(REGNO, MODE) \ (REGNO_REG_CLASS (REGNO) == GR_REGS) #define MODES_TIEABLE_P(MODE1, MODE2) \ ( ( GET_MODE_CLASS (MODE1) == MODE_FLOAT \ || GET_MODE_CLASS (MODE1) == MODE_COMPLEX_FLOAT) \ == ( GET_MODE_CLASS (MODE2) == MODE_FLOAT \ || GET_MODE_CLASS (MODE2) == MODE_COMPLEX_FLOAT)) #define REGISTER_NAMES \ { \ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", "cc" \ } #define ADDITIONAL_REGISTER_NAMES \ { \ { "sp", STACK_POINTER_REGNUM } \ , { "fp", FRAME_POINTER_REGNUM } \ , { "arg", ARG_POINTER_REGNUM } \ , { "chain", STATIC_CHAIN_REGNUM } \ } #define DATA_SECTION_ASM_OP \ (TARGET_AS100_SYNTAX ? "\t.SECTION D,DATA" \ : "\t.section D,\"aw\",@progbits\n\t.p2align 2") #define SDATA_SECTION_ASM_OP \ (TARGET_AS100_SYNTAX ? "\t.SECTION D_2,DATA,ALIGN=2" \ : "\t.section D_2,\"aw\",@progbits\n\t.p2align 1") #undef READONLY_DATA_SECTION_ASM_OP #define READONLY_DATA_SECTION_ASM_OP \ (TARGET_AS100_SYNTAX ? "\t.SECTION C,ROMDATA,ALIGN=4" \ : "\t.section C,\"a\",@progbits\n\t.p2align 2") #define BSS_SECTION_ASM_OP \ (TARGET_AS100_SYNTAX ? "\t.SECTION B,DATA,ALIGN=4" \ : "\t.section B,\"w\",@nobits\n\t.p2align 2") #define SBSS_SECTION_ASM_OP \ (TARGET_AS100_SYNTAX ? "\t.SECTION B_2,DATA,ALIGN=2" \ : "\t.section B_2,\"w\",@nobits\n\t.p2align 1") /* The following definitions are conditional depending upon whether the compiler is being built or crtstuff.c is being compiled by the built compiler. */ #if defined CRT_BEGIN || defined CRT_END # ifdef __RX_AS100_SYNTAX # define TEXT_SECTION_ASM_OP "\t.SECTION P,CODE" # define CTORS_SECTION_ASM_OP "\t.SECTION init_array,CODE" # define DTORS_SECTION_ASM_OP "\t.SECTION fini_array,CODE" # define INIT_ARRAY_SECTION_ASM_OP "\t.SECTION init_array,CODE" # define FINI_ARRAY_SECTION_ASM_OP "\t.SECTION fini_array,CODE" # else # define TEXT_SECTION_ASM_OP "\t.section P,\"ax\"" # define CTORS_SECTION_ASM_OP \ "\t.section\t.init_array,\"awx\",@init_array" # define DTORS_SECTION_ASM_OP \ "\t.section\t.fini_array,\"awx\",@fini_array" # define INIT_ARRAY_SECTION_ASM_OP \ "\t.section\t.init_array,\"awx\",@init_array" # define FINI_ARRAY_SECTION_ASM_OP \ "\t.section\t.fini_array,\"awx\",@fini_array" # endif #else # define TEXT_SECTION_ASM_OP \ (TARGET_AS100_SYNTAX ? "\t.SECTION P,CODE" : "\t.section P,\"ax\"") # define CTORS_SECTION_ASM_OP \ (TARGET_AS100_SYNTAX ? "\t.SECTION init_array,CODE" \ : "\t.section\t.init_array,\"awx\",@init_array") # define DTORS_SECTION_ASM_OP \ (TARGET_AS100_SYNTAX ? "\t.SECTION fini_array,CODE" \ : "\t.section\t.fini_array,\"awx\",@fini_array") # define INIT_ARRAY_SECTION_ASM_OP \ (TARGET_AS100_SYNTAX ? "\t.SECTION init_array,CODE" \ : "\t.section\t.init_array,\"awx\",@init_array") # define FINI_ARRAY_SECTION_ASM_OP \ (TARGET_AS100_SYNTAX ? "\t.SECTION fini_array,CODE" \ : "\t.section\t.fini_array,\"awx\",@fini_array") #endif #define GLOBAL_ASM_OP \ (TARGET_AS100_SYNTAX ? "\t.GLB\t" : "\t.global\t") #define ASM_COMMENT_START " ;" #define ASM_APP_ON "" #define ASM_APP_OFF "" #define LOCAL_LABEL_PREFIX "L" #undef USER_LABEL_PREFIX #define USER_LABEL_PREFIX "_" /* Compute the alignment needed for label X in various situations. If the user has specified an alignment then honour that, otherwise use rx_align_for_label. */ #define JUMP_ALIGN(x) (align_jumps > 1 ? align_jumps_log : rx_align_for_label (x, 0)) #define LABEL_ALIGN(x) (align_labels > 1 ? align_labels_log : rx_align_for_label (x, 3)) #define LOOP_ALIGN(x) (align_loops > 1 ? align_loops_log : rx_align_for_label (x, 2)) #define LABEL_ALIGN_AFTER_BARRIER(x) rx_align_for_label (x, 0) #define ASM_OUTPUT_MAX_SKIP_ALIGN(STREAM, LOG, MAX_SKIP) \ do \ { \ if ((LOG) == 0 || (MAX_SKIP) == 0) \ break; \ if (TARGET_AS100_SYNTAX) \ { \ if ((LOG) >= 2) \ fprintf (STREAM, "\t.ALIGN 4\t; %d alignment actually requested\n", 1 << (LOG)); \ else \ fprintf (STREAM, "\t.ALIGN 2\n"); \ } \ else \ fprintf (STREAM, "\t.balign %d,3,%d\n", 1 << (LOG), (MAX_SKIP)); \ } \ while (0) #define ASM_OUTPUT_ALIGN(STREAM, LOG) \ do \ { \ if ((LOG) == 0) \ break; \ if (TARGET_AS100_SYNTAX) \ { \ if ((LOG) >= 2) \ fprintf (STREAM, "\t.ALIGN 4\t; %d alignment actually requested\n", 1 << (LOG)); \ else \ fprintf (STREAM, "\t.ALIGN 2\n"); \ } \ else \ fprintf (STREAM, "\t.balign %d\n", 1 << (LOG)); \ } \ while (0) #define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \ fprintf (FILE, TARGET_AS100_SYNTAX ? "\t.LWORD L%d\n" : "\t.long .L%d\n", \ VALUE) /* This is how to output an element of a case-vector that is relative. Note: The local label referenced by the "1b" below is emitted by the tablejump insn. */ #define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \ fprintf (FILE, TARGET_AS100_SYNTAX \ ? "\t.LWORD L%d - ?-\n" : "\t.long .L%d - 1b\n", VALUE) #define CASE_VECTOR_PC_RELATIVE (TARGET_PID) #define ASM_OUTPUT_SIZE_DIRECTIVE(STREAM, NAME, SIZE) \ do \ { \ HOST_WIDE_INT size_ = (SIZE); \ \ /* The as100 assembler does not have an equivalent of the SVR4 \ .size pseudo-op. */ \ if (TARGET_AS100_SYNTAX) \ break; \ \ fputs (SIZE_ASM_OP, STREAM); \ assemble_name (STREAM, NAME); \ fprintf (STREAM, ", " HOST_WIDE_INT_PRINT_DEC "\n", size_); \ } \ while (0) #define ASM_OUTPUT_MEASURED_SIZE(STREAM, NAME) \ do \ { \ /* The as100 assembler does not have an equivalent of the SVR4 \ .size pseudo-op. */ \ if (TARGET_AS100_SYNTAX) \ break; \ fputs (SIZE_ASM_OP, STREAM); \ assemble_name (STREAM, NAME); \ fputs (", .-", STREAM); \ assemble_name (STREAM, NAME); \ putc ('\n', STREAM); \ } \ while (0) #define ASM_OUTPUT_TYPE_DIRECTIVE(STREAM, NAME, TYPE) \ do \ { \ /* The as100 assembler does not have an equivalent of the SVR4 \ .size pseudo-op. */ \ if (TARGET_AS100_SYNTAX) \ break; \ fputs (TYPE_ASM_OP, STREAM); \ assemble_name (STREAM, NAME); \ fputs (", ", STREAM); \ fprintf (STREAM, TYPE_OPERAND_FMT, TYPE); \ putc ('\n', STREAM); \ } \ while (0) #undef ASM_GENERATE_INTERNAL_LABEL #define ASM_GENERATE_INTERNAL_LABEL(LABEL, PREFIX, NUM) \ do \ { \ sprintf (LABEL, TARGET_AS100_SYNTAX ? "*%s%u" : "*.%s%u", \ PREFIX, (unsigned) (NUM)); \ } \ while (0) #undef ASM_OUTPUT_EXTERNAL #define ASM_OUTPUT_EXTERNAL(FILE, DECL, NAME) \ do \ { \ if (TARGET_AS100_SYNTAX) \ targetm.asm_out.globalize_label (FILE, NAME); \ default_elf_asm_output_external (FILE, DECL, NAME); \ } \ while (0) #undef ASM_OUTPUT_ALIGNED_COMMON #define ASM_OUTPUT_ALIGNED_COMMON(FILE, NAME, SIZE, ALIGN) \ do \ { \ if (TARGET_AS100_SYNTAX) \ { \ fprintf ((FILE), "\t.GLB\t"); \ assemble_name ((FILE), (NAME)); \ fprintf ((FILE), "\n"); \ assemble_name ((FILE), (NAME)); \ switch ((ALIGN) / BITS_PER_UNIT) \ { \ case 4: \ fprintf ((FILE), ":\t.BLKL\t" HOST_WIDE_INT_PRINT_UNSIGNED"\n",\ (SIZE) / 4); \ break; \ case 2: \ fprintf ((FILE), ":\t.BLKW\t" HOST_WIDE_INT_PRINT_UNSIGNED"\n",\ (SIZE) / 2); \ break; \ default: \ fprintf ((FILE), ":\t.BLKB\t" HOST_WIDE_INT_PRINT_UNSIGNED"\n",\ (SIZE)); \ break; \ } \ } \ else \ { \ fprintf ((FILE), "%s", COMMON_ASM_OP); \ assemble_name ((FILE), (NAME)); \ fprintf ((FILE), "," HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \ (SIZE), (ALIGN) / BITS_PER_UNIT); \ } \ } \ while (0) #undef SKIP_ASM_OP #define SKIP_ASM_OP (TARGET_AS100_SYNTAX ? "\t.BLKB\t" : "\t.zero\t") #undef ASM_OUTPUT_LIMITED_STRING #define ASM_OUTPUT_LIMITED_STRING(FILE, STR) \ do \ { \ const unsigned char *_limited_str = \ (const unsigned char *) (STR); \ unsigned ch; \ \ fprintf ((FILE), TARGET_AS100_SYNTAX \ ? "\t.BYTE\t\"" : "\t.string\t\""); \ \ for (; (ch = *_limited_str); _limited_str++) \ { \ int escape; \ \ switch (escape = ESCAPES[ch]) \ { \ case 0: \ putc (ch, (FILE)); \ break; \ case 1: \ fprintf ((FILE), "\\%03o", ch); \ break; \ default: \ putc ('\\', (FILE)); \ putc (escape, (FILE)); \ break; \ } \ } \ \ fprintf ((FILE), TARGET_AS100_SYNTAX ? "\"\n\t.BYTE\t0\n" : "\"\n");\ } \ while (0) /* For PIC put jump tables into the text section so that the offsets that they contain are always computed between two same-section symbols. */ #define JUMP_TABLES_IN_TEXT_SECTION (TARGET_PID || flag_pic) /* This is a version of REG_P that also returns TRUE for SUBREGs. */ #define RX_REG_P(rtl) (REG_P (rtl) || GET_CODE (rtl) == SUBREG) /* Like REG_P except that this macro is true for SET expressions. */ #define SET_P(rtl) (GET_CODE (rtl) == SET) /* The AS100 assembler does not support .leb128 and .uleb128, but the compiler-build-time configure tests will have enabled their use because GAS supports them. So default to generating STABS debug information instead of DWARF2 when generating AS100 compatible output. */ #undef PREFERRED_DEBUGGING_TYPE #define PREFERRED_DEBUGGING_TYPE (TARGET_AS100_SYNTAX \ ? DBX_DEBUG : DWARF2_DEBUG) #define INCOMING_FRAME_SP_OFFSET 4 #define ARG_POINTER_CFA_OFFSET(FNDECL) 4 #define TARGET_USE_FPU (! TARGET_NO_USE_FPU) /* This macro is used to decide when RX FPU instructions can be used. */ #define ALLOW_RX_FPU_INSNS (TARGET_USE_FPU) #define BRANCH_COST(SPEED,PREDICT) 1 #define REGISTER_MOVE_COST(MODE,FROM,TO) 2 #define SELECT_CC_MODE(OP,X,Y) rx_select_cc_mode(OP, X, Y) #define ADJUST_INSN_LENGTH(INSN,LENGTH) \ do \ { \ (LENGTH) = rx_adjust_insn_length ((INSN), (LENGTH)); \ } \ while (0)