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riscv-gcc-1
Commit 5bf0ebab by Richard Henderson Committed by Richard Henderson
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i386.c, i386.h: Tidy comments and whitespace. 

        * config/i386/i386.c, config/i386/i386.h: Tidy comments and whitespace.
        (ix86_arch): Set type to enum processor_type.

From-SVN: r53779
parent 57d47446
Showing with 99 additions and 86 deletions
gcc/ChangeLog
2002-05-23 Richard Henderson <rth@redhat.com>
* config/i386/i386.c, config/i386/i386.h: Tidy comments and whitespace.
(ix86_arch): Set type to enum processor_type.
* config/i386/i386.md (movsi_1, movdi_1_rex64): Use
LEGITIMATE_PIC_OPERAND_P not SYMBOLIC_CONST.
2002-05-23 Jakub Jelinek <jakub@redhat.com>
* configure.in: Fix as version test for binutils 2.12.1 releases
......
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;
......
gcc/config/i386/i386.h
......@@ -389,31 +389,6 @@ extern int x86_prefetch_sse;
#define TARGET_DEFAULT TARGET_SUBTARGET_DEFAULT
#endif
/* Which processor to schedule for. The cpu attribute defines a list that
mirrors this list, so changes to i386.md must be made at the same time. */
enum processor_type
{
PROCESSOR_I386, /* 80386 */
PROCESSOR_I486, /* 80486DX, 80486SX, 80486DX[24] */
PROCESSOR_PENTIUM,
PROCESSOR_PENTIUMPRO,
PROCESSOR_K6,
PROCESSOR_ATHLON,
PROCESSOR_PENTIUM4,
PROCESSOR_max
};
enum fpmath_unit
{
FPMATH_387 = 1,
FPMATH_SSE = 2
};
extern enum processor_type ix86_cpu;
extern enum fpmath_unit ix86_fpmath;
extern int ix86_arch;
/* This macro is similar to `TARGET_SWITCHES' but defines names of
command options that have values. Its definition is an
initializer with a subgrouping for each command option.
......@@ -3228,57 +3203,81 @@ extern int const svr4_dbx_register_map[FIRST_PSEUDO_REGISTER];
#define SPECIAL_MODE_PREDICATES \
"ext_register_operand",
/* CM_32 is used by 32bit ABI
CM_SMALL is small model assuming that all code and data fits in the first
31bits of address space.
CM_KERNEL is model assuming that all code and data fits in the negative
31bits of address space.
CM_MEDIUM is model assuming that code fits in the first 31bits of address
space. Size of data is unlimited.
CM_LARGE is model making no assumptions about size of particular sections.
CM_SMALL_PIC is model for PIC libraries assuming that code+data+got/plt
tables first in 31bits of address space.
*/
/* Which processor to schedule for. The cpu attribute defines a list that
mirrors this list, so changes to i386.md must be made at the same time. */
enum processor_type
{
PROCESSOR_I386, /* 80386 */
PROCESSOR_I486, /* 80486DX, 80486SX, 80486DX[24] */
PROCESSOR_PENTIUM,
PROCESSOR_PENTIUMPRO,
PROCESSOR_K6,
PROCESSOR_ATHLON,
PROCESSOR_PENTIUM4,
PROCESSOR_max
};
extern enum processor_type ix86_cpu;
extern const char *ix86_cpu_string;
extern enum processor_type ix86_arch;
extern const char *ix86_arch_string;
enum fpmath_unit
{
FPMATH_387 = 1,
FPMATH_SSE = 2
};
extern enum fpmath_unit ix86_fpmath;
extern const char *ix86_fpmath_string;
enum cmodel {
CM_32,
CM_SMALL,
CM_KERNEL,
CM_MEDIUM,
CM_LARGE,
CM_SMALL_PIC
CM_32, /* The traditional 32-bit ABI. */
CM_SMALL, /* Assumes all code and data fits in the low 31 bits. */
CM_KERNEL, /* Assumes all code and data fits in the high 31 bits. */
CM_MEDIUM, /* Assumes code fits in the low 31 bits; data unlimited. */
CM_LARGE, /* No assumptions. */
CM_SMALL_PIC /* Assumes code+data+got/plt fits in a 31 bit region. */
};
extern enum cmodel ix86_cmodel;
extern const char *ix86_cmodel_string;
/* Size of the RED_ZONE area. */
#define RED_ZONE_SIZE 128
/* Reserved area of the red zone for temporaries. */
#define RED_ZONE_RESERVE 8
extern const char *ix86_debug_arg_string, *ix86_debug_addr_string;
enum asm_dialect {
ASM_ATT,
ASM_INTEL
};
extern const char *ix86_asm_string;
extern enum asm_dialect ix86_asm_dialect;
/* Value of -mcmodel specified by user. */
extern const char *ix86_cmodel_string;
extern enum cmodel ix86_cmodel;
/* Variables in i386.c */
extern const char *ix86_cpu_string; /* for -mcpu=<xxx> */
extern const char *ix86_arch_string; /* for -march=<xxx> */
extern const char *ix86_fpmath_string; /* for -mfpmath=<xxx> */
extern const char *ix86_regparm_string; /* # registers to use to pass args */
extern const char *ix86_align_loops_string; /* power of two alignment for loops */
extern const char *ix86_align_jumps_string; /* power of two alignment for non-loop jumps */
extern const char *ix86_align_funcs_string; /* power of two alignment for functions */
extern const char *ix86_preferred_stack_boundary_string;/* power of two alignment for stack boundary */
extern const char *ix86_branch_cost_string; /* values 1-5: see jump.c */
extern int ix86_regparm; /* ix86_regparm_string as a number */
extern int ix86_preferred_stack_boundary; /* preferred stack boundary alignment in bits */
extern int ix86_branch_cost; /* values 1-5: see jump.c */
extern enum reg_class const regclass_map[FIRST_PSEUDO_REGISTER]; /* smalled class containing REGNO */
extern int ix86_regparm;
extern const char *ix86_regparm_string;
extern int ix86_preferred_stack_boundary;
extern const char *ix86_preferred_stack_boundary_string;
extern int ix86_branch_cost;
extern const char *ix86_branch_cost_string;
extern const char *ix86_debug_arg_string;
extern const char *ix86_debug_addr_string;
/* Obsoleted by -f options. Remove before 3.2 ships. */
extern const char *ix86_align_loops_string;
extern const char *ix86_align_jumps_string;
extern const char *ix86_align_funcs_string;
/* Smallest class containing REGNO. */
extern enum reg_class const regclass_map[FIRST_PSEUDO_REGISTER];
extern rtx ix86_compare_op0; /* operand 0 for comparisons */
extern rtx ix86_compare_op1; /* operand 1 for comparisons */
......
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