-/* Definitions of target machine for GNU compiler for IA-32.
+/* Definitions of target machine for GCC for IA-32.
Copyright (C) 1988, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2001, 2002, 2003 Free Software Foundation, Inc.
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+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 2, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+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 GNU CC; see the file COPYING. If not, write to
+along with GCC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/* configure can arrange to make this 2, to force a 486. */
#ifndef TARGET_CPU_DEFAULT
+#ifdef TARGET_64BIT_DEFAULT
+#define TARGET_CPU_DEFAULT TARGET_CPU_DEFAULT_k8
+#else
#define TARGET_CPU_DEFAULT 0
#endif
+#endif
/* Masks for the -m switches */
#define MASK_80387 0x00000001 /* Hardware floating point */
#define MASK_MMX 0x00002000 /* Support MMX regs/builtins */
#define MASK_SSE 0x00004000 /* Support SSE regs/builtins */
#define MASK_SSE2 0x00008000 /* Support SSE2 regs/builtins */
-#define MASK_3DNOW 0x00010000 /* Support 3Dnow builtins */
-#define MASK_3DNOW_A 0x00020000 /* Support Athlon 3Dnow builtins */
-#define MASK_128BIT_LONG_DOUBLE 0x00040000 /* long double size is 128bit */
-#define MASK_64BIT 0x00080000 /* Produce 64bit code */
-#define MASK_MS_BITFIELD_LAYOUT 0x00100000 /* Use native (MS) bitfield layout */
+#define MASK_PNI 0x00010000 /* Support PNI regs/builtins */
+#define MASK_3DNOW 0x00020000 /* Support 3Dnow builtins */
+#define MASK_3DNOW_A 0x00040000 /* Support Athlon 3Dnow builtins */
+#define MASK_128BIT_LONG_DOUBLE 0x00080000 /* long double size is 128bit */
+#define MASK_64BIT 0x00100000 /* Produce 64bit code */
+#define MASK_MS_BITFIELD_LAYOUT 0x00200000 /* Use native (MS) bitfield layout */
+#define MASK_TLS_DIRECT_SEG_REFS 0x00400000 /* Avoid adding %gs:0 */
/* Unused: 0x03e0000 */
#endif
#endif
+/* Avoid adding %gs:0 in TLS references; use %gs:address directly. */
+#define TARGET_TLS_DIRECT_SEG_REFS (target_flags & MASK_TLS_DIRECT_SEG_REFS)
+
#define TARGET_386 (ix86_tune == PROCESSOR_I386)
#define TARGET_486 (ix86_tune == PROCESSOR_I486)
#define TARGET_PENTIUM (ix86_tune == PROCESSOR_PENTIUM)
#define ASSEMBLER_DIALECT (ix86_asm_dialect)
-#define TARGET_SSE ((target_flags & (MASK_SSE | MASK_SSE2)) != 0)
+#define TARGET_SSE ((target_flags & MASK_SSE) != 0)
#define TARGET_SSE2 ((target_flags & MASK_SSE2) != 0)
+#define TARGET_PNI ((target_flags & MASK_PNI) != 0)
#define TARGET_SSE_MATH ((ix86_fpmath & FPMATH_SSE) != 0)
#define TARGET_MIX_SSE_I387 ((ix86_fpmath & FPMATH_SSE) \
&& (ix86_fpmath & FPMATH_387))
N_("Support MMX, SSE and SSE2 built-in functions and code generation") }, \
{ "no-sse2", -MASK_SSE2, \
N_("Do not support MMX, SSE and SSE2 built-in functions and code generation") }, \
+ { "pni", MASK_PNI, \
+ N_("Support MMX, SSE, SSE2 and PNI built-in functions and code generation") },\
+ { "no-pni", -MASK_PNI, \
+ N_("Do not support MMX, SSE, SSE2 and PNI built-in functions and code generation") },\
{ "128bit-long-double", MASK_128BIT_LONG_DOUBLE, \
N_("sizeof(long double) is 16") }, \
{ "96bit-long-double", -MASK_128BIT_LONG_DOUBLE, \
N_("Use red-zone in the x86-64 code") }, \
{ "no-red-zone", MASK_NO_RED_ZONE, \
N_("Do not use red-zone in the x86-64 code") }, \
+ { "tls-direct-seg-refs", MASK_TLS_DIRECT_SEG_REFS, \
+ N_("Use direct references against %gs when accessing tls data") }, \
+ { "no-tls-direct-seg-refs", -MASK_TLS_DIRECT_SEG_REFS, \
+ N_("Do not use direct references against %gs when accessing tls data") }, \
SUBTARGET_SWITCHES \
- { "", TARGET_DEFAULT | TARGET_64BIT_DEFAULT | TARGET_SUBTARGET_DEFAULT, 0 }}
+ { "", \
+ TARGET_DEFAULT | TARGET_64BIT_DEFAULT | TARGET_SUBTARGET_DEFAULT \
+ | TARGET_TLS_DIRECT_SEG_REFS_DEFAULT, 0 }}
#ifndef TARGET_64BIT_DEFAULT
#define TARGET_64BIT_DEFAULT 0
#endif
+#ifndef TARGET_TLS_DIRECT_SEG_REFS_DEFAULT
+#define TARGET_TLS_DIRECT_SEG_REFS_DEFAULT 0
+#endif
/* Once GDB has been enhanced to deal with functions without frame
pointers, we can change this to allow for elimination of
by appending `-m' to the specified name. */
#define TARGET_OPTIONS \
{ { "tune=", &ix86_tune_string, \
- N_("Schedule code for given CPU")}, \
+ N_("Schedule code for given CPU"), 0}, \
{ "fpmath=", &ix86_fpmath_string, \
- N_("Generate floating point mathematics using given instruction set")},\
+ N_("Generate floating point mathematics using given instruction set"), 0},\
{ "arch=", &ix86_arch_string, \
- N_("Generate code for given CPU")}, \
+ N_("Generate code for given CPU"), 0}, \
{ "regparm=", &ix86_regparm_string, \
- N_("Number of registers used to pass integer arguments") }, \
+ N_("Number of registers used to pass integer arguments"), 0},\
{ "align-loops=", &ix86_align_loops_string, \
- N_("Loop code aligned to this power of 2") }, \
+ N_("Loop code aligned to this power of 2"), 0}, \
{ "align-jumps=", &ix86_align_jumps_string, \
- N_("Jump targets are aligned to this power of 2") }, \
+ N_("Jump targets are aligned to this power of 2"), 0}, \
{ "align-functions=", &ix86_align_funcs_string, \
- N_("Function starts are aligned to this power of 2") }, \
+ N_("Function starts are aligned to this power of 2"), 0}, \
{ "preferred-stack-boundary=", \
&ix86_preferred_stack_boundary_string, \
- N_("Attempt to keep stack aligned to this power of 2") }, \
+ N_("Attempt to keep stack aligned to this power of 2"), 0}, \
{ "branch-cost=", &ix86_branch_cost_string, \
- N_("Branches are this expensive (1-5, arbitrary units)") }, \
+ N_("Branches are this expensive (1-5, arbitrary units)"), 0},\
{ "cmodel=", &ix86_cmodel_string, \
- N_("Use given x86-64 code model") }, \
+ N_("Use given x86-64 code model"), 0}, \
{ "debug-arg", &ix86_debug_arg_string, \
- "" /* Undocumented. */ }, \
+ "" /* Undocumented. */, 0}, \
{ "debug-addr", &ix86_debug_addr_string, \
- "" /* Undocumented. */ }, \
+ "" /* Undocumented. */, 0}, \
{ "asm=", &ix86_asm_string, \
- N_("Use given assembler dialect") }, \
+ N_("Use given assembler dialect"), 0}, \
{ "tls-dialect=", &ix86_tls_dialect_string, \
- N_("Use given thread-local storage dialect") }, \
+ N_("Use given thread-local storage dialect"), 0}, \
SUBTARGET_OPTIONS \
}
#define OPTIMIZATION_OPTIONS(LEVEL, SIZE) \
optimization_options ((LEVEL), (SIZE))
+/* Support for configure-time defaults of some command line options. */
+#define OPTION_DEFAULT_SPECS \
+ {"arch", "%{!march=*:-march=%(VALUE)}"}, \
+ {"tune", "%{!mtune=*:%{!mcpu=*:%{!march=*:-mtune=%(VALUE)}}}" }, \
+ {"cpu", "%{!mtune=*:%{!mcpu=*:%{!march=*:-mtune=%(VALUE)}}}" }
+
/* Specs for the compiler proper */
#ifndef CC1_CPU_SPEC
if (TARGET_64BIT) \
{ \
builtin_assert ("cpu=x86_64"); \
- builtin_assert ("machine=x86_64"); \
+ builtin_define ("__amd64"); \
+ builtin_define ("__amd64__"); \
builtin_define ("__x86_64"); \
builtin_define ("__x86_64__"); \
+ builtin_define ("__amd64"); \
+ builtin_define ("__amd64__"); \
} \
else \
{ \
builtin_define ("__SSE__"); \
if (TARGET_SSE2) \
builtin_define ("__SSE2__"); \
+ if (TARGET_PNI) \
+ builtin_define ("__PNI__"); \
if (TARGET_SSE_MATH && TARGET_SSE) \
builtin_define ("__SSE_MATH__"); \
if (TARGET_SSE_MATH && TARGET_SSE2) \
definition is an initializer with a subgrouping for each command option.
Each subgrouping contains a string constant, that defines the
- specification name, and a string constant that used by the GNU CC driver
+ specification name, and a string constant that used by the GCC driver
program.
Do not define this macro if it does not need to do anything. */
the rounding precision is indeterminate, since either may be chosen
apparently at random. */
#define TARGET_FLT_EVAL_METHOD \
- (TARGET_MIX_SSE_I387 ? -1 : TARGET_SSE_MATH ? 1 : 2)
+ (TARGET_MIX_SSE_I387 ? -1 : TARGET_SSE_MATH ? 0 : 2)
#define SHORT_TYPE_SIZE 16
#define INT_TYPE_SIZE 32
&& (TARGET_64BIT || !TARGET_PARTIAL_REG_STALL)) \
|| ((MODE1) == DImode && TARGET_64BIT)) \
&& ((MODE2) == HImode || (MODE2) == SImode \
- || ((MODE1) == QImode \
+ || ((MODE2) == QImode \
&& (TARGET_64BIT || !TARGET_PARTIAL_REG_STALL)) \
|| ((MODE2) == DImode && TARGET_64BIT))))
+/* It is possible to write patterns to move flags; but until someone
+ does it, */
+#define AVOID_CCMODE_COPIES
/* Specify the modes required to caller save a given hard regno.
We do this on i386 to prevent flags from being saved at all.
#define HARD_REGNO_CALLER_SAVE_MODE(REGNO, NREGS, MODE) \
(CC_REGNO_P (REGNO) ? VOIDmode \
: (MODE) == VOIDmode && (NREGS) != 1 ? VOIDmode \
- : (MODE) == VOIDmode ? choose_hard_reg_mode ((REGNO), (NREGS)) \
+ : (MODE) == VOIDmode ? choose_hard_reg_mode ((REGNO), (NREGS), false)\
: (MODE) == HImode && !TARGET_PARTIAL_REG_STALL ? SImode \
: (MODE) == QImode && (REGNO) >= 4 && !TARGET_64BIT ? SImode \
: (MODE))
should always be returned in memory. You should instead use
`DEFAULT_PCC_STRUCT_RETURN' to indicate this. */
+int ix86_return_in_memory (tree type);
#define RETURN_IN_MEMORY(TYPE) \
ix86_return_in_memory (TYPE)
-/* This is overriden by <cygwin.h>. */
+/* This is overridden by <cygwin.h>. */
#define MS_AGGREGATE_RETURN 0
\f
#define EXPAND_BUILTIN_VA_ARG(VALIST, TYPE) \
ix86_va_arg ((VALIST), (TYPE))
-/* This macro is invoked at the end of compilation. It is used here to
- output code for -fpic that will load the return address into %ebx. */
-
-#undef ASM_FILE_END
-#define ASM_FILE_END(FILE) ix86_asm_file_end (FILE)
+#define TARGET_ASM_FILE_END ix86_file_end
+#define NEED_INDICATE_EXEC_STACK 0
/* Output assembler code to FILE to increment profiler label # LABELNO
for profiling a function entry. */
IX86_BUILTIN_MFENCE,
IX86_BUILTIN_LFENCE,
+ /* Prescott New Instructions. */
+ IX86_BUILTIN_ADDSUBPS,
+ IX86_BUILTIN_HADDPS,
+ IX86_BUILTIN_HSUBPS,
+ IX86_BUILTIN_MOVSHDUP,
+ IX86_BUILTIN_MOVSLDUP,
+ IX86_BUILTIN_ADDSUBPD,
+ IX86_BUILTIN_HADDPD,
+ IX86_BUILTIN_HSUBPD,
+ IX86_BUILTIN_LOADDDUP,
+ IX86_BUILTIN_MOVDDUP,
+ IX86_BUILTIN_LDDQU,
+
+ IX86_BUILTIN_MONITOR,
+ IX86_BUILTIN_MWAIT,
+
IX86_BUILTIN_MAX
};
\f
-#define TARGET_ENCODE_SECTION_INFO ix86_encode_section_info
-#define TARGET_STRIP_NAME_ENCODING ix86_strip_name_encoding
-
-#define ASM_OUTPUT_LABELREF(FILE,NAME) \
- do { \
- const char *xname = (NAME); \
- if (xname[0] == '%') \
- xname += 2; \
- if (xname[0] == '*') \
- xname += 1; \
- else \
- fputs (user_label_prefix, FILE); \
- fputs (xname, FILE); \
- } while (0)
-\f
/* Max number of args passed in registers. If this is more than 3, we will
have problems with ebx (register #4), since it is a caller save register and
is also used as the pic register in ELF. So for now, don't allow more than
is done just by pretending it is already truncated. */
#define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1
-/* 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 STORE_FLAG_VALUE 1
-
/* When a prototype says `char' or `short', really pass an `int'.
(The 386 can't easily push less than an int.) */
/* #define SLOW_UNALIGNED_ACCESS(MODE, ALIGN) 0 */
-/* Define this macro to inhibit strength reduction of memory
- addresses. (On some machines, such strength reduction seems to do
- harm rather than good.) */
-
-/* #define DONT_REDUCE_ADDR */
-
/* Define this macro if it is as good or better to call a constant
function address than to call an address kept in a register.
{"const0_operand", {CONST_INT, CONST_DOUBLE}}, \
{"const1_operand", {CONST_INT}}, \
{"const248_operand", {CONST_INT}}, \
+ {"const_0_to_3_operand", {CONST_INT}}, \
+ {"const_0_to_7_operand", {CONST_INT}}, \
+ {"const_0_to_15_operand", {CONST_INT}}, \
+ {"const_0_to_255_operand", {CONST_INT}}, \
{"incdec_operand", {CONST_INT}}, \
{"mmx_reg_operand", {REG}}, \
{"reg_no_sp_operand", {SUBREG, REG}}, \
{"register_and_not_fp_reg_operand", {REG}}, \
{"zero_extended_scalar_load_operand", {MEM}}, \
{"vector_move_operand", {CONST_VECTOR, SUBREG, REG, MEM}}, \
+ {"no_seg_address_operand", {CONST_INT, CONST_DOUBLE, CONST, SYMBOL_REF, \
+ LABEL_REF, SUBREG, REG, MEM, PLUS, MULT}},
/* A list of predicates that do special things with modes, and so
should not elicit warnings for VOIDmode match_operand. */
((SRC) < FIRST_STACK_REG || (SRC) > LAST_STACK_REG)
\f
-#define MACHINE_DEPENDENT_REORG(X) x86_machine_dependent_reorg(X)
-
#define DLL_IMPORT_EXPORT_PREFIX '#'
#define FASTCALL_PREFIX '@'
#define ix86_save_varrargs_registers (cfun->machine->save_varrargs_registers)
#define ix86_optimize_mode_switching (cfun->machine->optimize_mode_switching)
+/* Control behavior of x86_file_start. */
+#define X86_FILE_START_VERSION_DIRECTIVE false
+#define X86_FILE_START_FLTUSED false
+
/*
Local variables:
version-control: t
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