diff options
Diffstat (limited to 'gcc/config/i386/i386.c')
| -rw-r--r-- | gcc/config/i386/i386.c | 54 |
1 files changed, 30 insertions, 24 deletions
diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c index 96d0916..c4752e6 100644 --- a/gcc/config/i386/i386.c +++ b/gcc/config/i386/i386.c @@ -399,15 +399,17 @@ const int x86_arch_always_fancy_math_387 = m_PENT|m_PPRO|m_ATHLON|m_PENT4; lower than this constant, emit fast (but longer) prologue and epilogue code. */ #define FAST_PROLOGUE_INSN_COUNT 30 + /* Set by prologue expander and used by epilogue expander to determine the style used. */ static int use_fast_prologue_epilogue; #define AT_BP(MODE) (gen_rtx_MEM ((MODE), hard_frame_pointer_rtx)) -static const char *const hi_reg_name[] = HI_REGISTER_NAMES; /* names for 16 bit regs */ -static const char *const qi_reg_name[] = QI_REGISTER_NAMES; /* names for 8 bit regs (low) */ -static const char *const qi_high_reg_name[] = QI_HIGH_REGISTER_NAMES; /* names for 8 bit regs (high) */ +/* Names for 8 (low), 8 (high), and 16-bit registers, respectively. */ +static const char *const qi_reg_name[] = QI_REGISTER_NAMES; +static const char *const qi_high_reg_name[] = QI_HIGH_REGISTER_NAMES; +static const char *const hi_reg_name[] = HI_REGISTER_NAMES; /* Array of the smallest class containing reg number REGNO, indexed by REGNO. Used by REGNO_REG_CLASS in i386.h. */ @@ -448,11 +450,16 @@ int const dbx_register_map[FIRST_PSEUDO_REGISTER] = -1, -1, -1, -1, -1, -1, -1, -1, /* extended SSE registers */ }; -static int const x86_64_int_parameter_registers[6] = {5 /*RDI*/, 4 /*RSI*/, - 1 /*RDX*/, 2 /*RCX*/, - FIRST_REX_INT_REG /*R8 */, - FIRST_REX_INT_REG + 1 /*R9 */}; -static int const x86_64_int_return_registers[4] = {0 /*RAX*/, 1 /*RDI*/, 5, 4}; +static int const x86_64_int_parameter_registers[6] = +{ + 5 /*RDI*/, 4 /*RSI*/, 1 /*RDX*/, 2 /*RCX*/, + FIRST_REX_INT_REG /*R8 */, FIRST_REX_INT_REG + 1 /*R9 */ +}; + +static int const x86_64_int_return_registers[4] = +{ + 0 /*RAX*/, 1 /*RDI*/, 5 /*RDI*/, 4 /*RSI*/ +}; /* The "default" register map used in 64bit mode. */ int const dbx64_register_map[FIRST_PSEUDO_REGISTER] = @@ -598,14 +605,13 @@ enum cmodel ix86_cmodel; const char *ix86_asm_string; enum asm_dialect ix86_asm_dialect = ASM_ATT; -/* which cpu are we scheduling for */ -enum processor_type ix86_cpu; - -/* which unit we are generating floating point math for */ +/* Which unit we are generating floating point math for. */ enum fpmath_unit ix86_fpmath; -/* which instruction set architecture to use. */ -int ix86_arch; +/* Which cpu are we scheduling for. */ +enum processor_type ix86_cpu; +/* Which instruction set architecture to use. */ +enum processor_type ix86_arch; /* Strings to hold which cpu and instruction set architecture to use. */ const char *ix86_cpu_string; /* for -mcpu=<xxx> */ @@ -4941,7 +4947,7 @@ legitimate_address_p (mode, addr, strict) fprintf (stderr, "Success.\n"); return TRUE; -report_error: + report_error: if (TARGET_DEBUG_ADDR) { fprintf (stderr, "Error: %s\n", reason); @@ -4955,10 +4961,10 @@ report_error: static HOST_WIDE_INT ix86_GOT_alias_set () { - static HOST_WIDE_INT set = -1; - if (set == -1) - set = new_alias_set (); - return set; + static HOST_WIDE_INT set = -1; + if (set == -1) + set = new_alias_set (); + return set; } /* Return a legitimate reference for ORIG (an address) using the @@ -5409,7 +5415,7 @@ output_pic_addr_const (file, x, code) case UNSPEC: if (XVECLEN (x, 0) != 1) - abort (); + abort (); output_pic_addr_const (file, XVECEXP (x, 0, 0), code); switch (XINT (x, 1)) { @@ -5637,7 +5643,7 @@ print_reg (x, code, file) || REGNO (x) == FPSR_REG) abort (); - if (ASSEMBLER_DIALECT == ASM_ATT || USER_LABEL_PREFIX[0] == 0) + if (ASSEMBLER_DIALECT == ASM_ATT || USER_LABEL_PREFIX[0] == 0) putc ('%', file); if (code == 'w' || MMX_REG_P (x)) @@ -6041,7 +6047,7 @@ print_operand (file, x, code) if (flag_pic && CONSTANT_ADDRESS_P (x)) output_pic_addr_const (file, x, code); /* Avoid (%rip) for call operands. */ - else if (CONSTANT_ADDRESS_P (x) && code =='P' + else if (CONSTANT_ADDRESS_P (x) && code == 'P' && GET_CODE (x) != CONST_INT) output_addr_const (file, x); else if (this_is_asm_operands && ! address_operand (x, VOIDmode)) @@ -10048,8 +10054,8 @@ memory_address_length (addr) return len; } -/* Compute default value for "length_immediate" attribute. When SHORTFORM is set - expect that insn have 8bit immediate alternative. */ +/* Compute default value for "length_immediate" attribute. When SHORTFORM + is set, expect that insn have 8bit immediate alternative. */ int ix86_attr_length_immediate_default (insn, shortform) rtx insn; |