+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
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. */
-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] =
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> */
fprintf (stderr, "Success.\n");
return TRUE;
-report_error:
+ report_error:
if (TARGET_DEBUG_ADDR)
{
fprintf (stderr, "Error: %s\n", reason);
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
case UNSPEC:
if (XVECLEN (x, 0) != 1)
- abort ();
+ abort ();
output_pic_addr_const (file, XVECEXP (x, 0, 0), code);
switch (XINT (x, 1))
{
|| 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))
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))
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;
#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.
#define SPECIAL_MODE_PREDICATES \
"ext_register_operand",
\f
-/* 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;
-\f
-/* 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 */
\f
projects / platform / upstream / linaro-gcc.git / commitdiff