X-Git-Url: https://oss.titaniummirror.com/gitweb?a=blobdiff_plain;f=gcc%2Fconfig%2Frs6000%2Fdarwin.h;h=077f74b08db73d35b987d3da56e80c9ab5094c21;hb=6fed43773c9b0ce596dca5686f37ac3fc0fa11c0;hp=81c24e76814b8ed09a0f9462ebfe3eda4bf9c3b4;hpb=27b11d56b743098deb193d510b337ba22dc52e5c;p=msp430-gcc.git
diff --git a/gcc/config/rs6000/darwin.h b/gcc/config/rs6000/darwin.h
index 81c24e76..077f74b0 100644
--- a/gcc/config/rs6000/darwin.h
+++ b/gcc/config/rs6000/darwin.h
@@ -1,23 +1,23 @@
/* Target definitions for PowerPC running Darwin (Mac OS X).
- Copyright (C) 1997, 2000, 2001 Free Software Foundation, Inc.
+ Copyright (C) 1997, 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008
+ Free Software Foundation, Inc.
Contributed by Apple Computer 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
-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.
+ 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.
-GNU CC 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.
+ 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
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+ You should have received a copy of the GNU General Public License
+ along with GCC; see the file COPYING3. If not see
+ . */
#undef TARGET_VERSION
#define TARGET_VERSION fprintf (stderr, " (Darwin/PowerPC)");
@@ -26,39 +26,143 @@ Boston, MA 02111-1307, USA. */
#define DEFAULT_ABI ABI_DARWIN
+#ifdef IN_LIBGCC2
+#undef TARGET_64BIT
+#ifdef __powerpc64__
+#define TARGET_64BIT 1
+#else
+#define TARGET_64BIT 0
+#endif
+#endif
+
/* The object file format is Mach-O. */
#define TARGET_OBJECT_FORMAT OBJECT_MACHO
+/* Size of the Obj-C jump buffer. */
+#define OBJC_JBLEN ((TARGET_64BIT) ? (26*2 + 18*2 + 129 + 1) : (26 + 18*2 + 129 + 1))
+
/* We're not ever going to do TOCs. */
#define TARGET_TOC 0
#define TARGET_NO_TOC 1
-/* Handle #pragma weak and #pragma pack. */
-#define HANDLE_SYSV_PRAGMA
-
-/* The Darwin ABI always includes AltiVec, can't be (validly) turned
- off. */
+/* Override the default rs6000 definition. */
+#undef PTRDIFF_TYPE
+#define PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
+
+/* Translate config/rs6000/darwin.opt to config/darwin.h. */
+#define TARGET_DYNAMIC_NO_PIC (TARGET_MACHO_DYNAMIC_NO_PIC)
+
+#define TARGET_OS_CPP_BUILTINS() \
+ do \
+ { \
+ if (!TARGET_64BIT) builtin_define ("__ppc__"); \
+ if (TARGET_64BIT) builtin_define ("__ppc64__"); \
+ builtin_define ("__POWERPC__"); \
+ builtin_define ("__NATURAL_ALIGNMENT__"); \
+ darwin_cpp_builtins (pfile); \
+ } \
+ while (0)
+
+#define SUBTARGET_OVERRIDE_OPTIONS darwin_rs6000_override_options ()
+
+#define C_COMMON_OVERRIDE_OPTIONS do { \
+ /* On powerpc, __cxa_get_exception_ptr is available starting in the \
+ 10.4.6 libstdc++.dylib. */ \
+ if (strverscmp (darwin_macosx_version_min, "10.4.6") < 0 \
+ && flag_use_cxa_get_exception_ptr == 2) \
+ flag_use_cxa_get_exception_ptr = 0; \
+ if (flag_mkernel) \
+ flag_no_builtin = 1; \
+ SUBTARGET_C_COMMON_OVERRIDE_OPTIONS; \
+} while (0)
+
+/* Darwin has 128-bit long double support in libc in 10.4 and later.
+ Default to 128-bit long doubles even on earlier platforms for ABI
+ consistency; arithmetic will work even if libc and libm support is
+ not available. */
+
+#define RS6000_DEFAULT_LONG_DOUBLE_SIZE 128
-#define SUBTARGET_OVERRIDE_OPTIONS \
- rs6000_altivec_abi = 1;
-
-#define CPP_PREDEFINES "-D__ppc__ -D__POWERPC__ -D__NATURAL_ALIGNMENT__ -D__MACH__ -D__BIG_ENDIAN__ -D__APPLE__"
/* We want -fPIC by default, unless we're using -static to compile for
the kernel or some such. */
-#define CC1_SPEC "%{!static:-fPIC}"
-
-/* Make both r2 and r3 available for allocation. */
+#define CC1_SPEC "\
+ %(cc1_cpu) \
+ %{g: %{!fno-eliminate-unused-debug-symbols: -feliminate-unused-debug-symbols }} \
+ %{static: %{Zdynamic: %e conflicting code gen style switches are used}}\
+ %{!mmacosx-version-min=*:-mmacosx-version-min=%(darwin_minversion)} \
+ %{!mkernel:%{!static:%{!mdynamic-no-pic:-fPIC}}}"
+
+#define DARWIN_ARCH_SPEC "%{m64:ppc64;:ppc}"
+
+#define DARWIN_SUBARCH_SPEC " \
+ %{m64: ppc64} \
+ %{!m64: \
+ %{mcpu=601:ppc601; \
+ mcpu=603:ppc603; \
+ mcpu=603e:ppc603; \
+ mcpu=604:ppc604; \
+ mcpu=604e:ppc604e; \
+ mcpu=740:ppc750; \
+ mcpu=750:ppc750; \
+ mcpu=G3:ppc750; \
+ mcpu=7400:ppc7400; \
+ mcpu=G4:ppc7400; \
+ mcpu=7450:ppc7450; \
+ mcpu=970:ppc970; \
+ mcpu=power4:ppc970; \
+ mcpu=G5:ppc970; \
+ :ppc}}"
+
+/* crt2.o is at least partially required for 10.3.x and earlier. */
+#define DARWIN_CRT2_SPEC \
+ "%{!m64:%:version-compare(!> 10.4 mmacosx-version-min= crt2.o%s)}"
+
+/* Determine a minimum version based on compiler options. */
+#define DARWIN_MINVERSION_SPEC \
+ "%{m64:%{fgnu-runtime:10.4; \
+ ,objective-c|,objc-cpp-output:10.5; \
+ ,objective-c-header:10.5; \
+ ,objective-c++|,objective-c++-cpp-output:10.5; \
+ ,objective-c++-header|,objc++-cpp-output:10.5; \
+ :10.4}; \
+ shared-libgcc:10.3; \
+ :10.1}"
+
+#undef SUBTARGET_EXTRA_SPECS
+#define SUBTARGET_EXTRA_SPECS \
+ DARWIN_EXTRA_SPECS \
+ { "darwin_arch", DARWIN_ARCH_SPEC }, \
+ { "darwin_crt2", DARWIN_CRT2_SPEC }, \
+ { "darwin_subarch", DARWIN_SUBARCH_SPEC },
+
+/* Output a .machine directive. */
+#undef TARGET_ASM_FILE_START
+#define TARGET_ASM_FILE_START rs6000_darwin_file_start
+
+/* The "-faltivec" option should have been called "-maltivec" all
+ along. -ffix-and-continue and -findirect-data is for compatibility
+ for old compilers. */
+
+#define SUBTARGET_OPTION_TRANSLATE_TABLE \
+ { "-ffix-and-continue", "-mfix-and-continue" }, \
+ { "-findirect-data", "-mfix-and-continue" }, \
+ { "-faltivec", "-maltivec -include altivec.h" }, \
+ { "-fno-altivec", "-mno-altivec" }, \
+ { "-Waltivec-long-deprecated", "-mwarn-altivec-long" }, \
+ { "-Wno-altivec-long-deprecated", "-mno-warn-altivec-long" }
+
+/* Make both r2 and r13 available for allocation. */
#define FIXED_R2 0
#define FIXED_R13 0
/* Base register for access to local variables of the function. */
-#undef FRAME_POINTER_REGNUM
-#define FRAME_POINTER_REGNUM 30
+#undef HARD_FRAME_POINTER_REGNUM
+#define HARD_FRAME_POINTER_REGNUM 30
#undef RS6000_PIC_OFFSET_TABLE_REGNUM
#define RS6000_PIC_OFFSET_TABLE_REGNUM 31
@@ -67,47 +171,68 @@ Boston, MA 02111-1307, USA. */
#undef STARTING_FRAME_OFFSET
#define STARTING_FRAME_OFFSET \
- (RS6000_ALIGN (current_function_outgoing_args_size, 16) \
- + RS6000_VARARGS_AREA \
- + RS6000_SAVE_AREA)
+ (FRAME_GROWS_DOWNWARD \
+ ? 0 \
+ : (RS6000_ALIGN (crtl->outgoing_args_size, 16) \
+ + RS6000_SAVE_AREA))
#undef STACK_DYNAMIC_OFFSET
#define STACK_DYNAMIC_OFFSET(FUNDECL) \
- (RS6000_ALIGN (current_function_outgoing_args_size, 16) \
+ (RS6000_ALIGN (crtl->outgoing_args_size, 16) \
+ (STACK_POINTER_OFFSET))
+/* These are used by -fbranch-probabilities */
+#define HOT_TEXT_SECTION_NAME "__TEXT,__text,regular,pure_instructions"
+#define UNLIKELY_EXECUTED_TEXT_SECTION_NAME \
+ "__TEXT,__unlikely,regular,pure_instructions"
+
/* Define cutoff for using external functions to save floating point.
Currently on Darwin, always use inline stores. */
#undef FP_SAVE_INLINE
#define FP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 64)
+#undef GP_SAVE_INLINE
+#define GP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 32)
-/* Always use the "debug" register names, they're what the assembler
- wants to see. */
+/* Darwin uses a function call if everything needs to be saved/restored. */
+#undef WORLD_SAVE_P
+#define WORLD_SAVE_P(INFO) ((INFO)->world_save_p)
+/* The assembler wants the alternate register names, but without
+ leading percent sign. */
#undef REGISTER_NAMES
-#define REGISTER_NAMES DEBUG_REGISTER_NAMES
+#define REGISTER_NAMES \
+{ \
+ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \
+ "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \
+ "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \
+ "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", \
+ "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \
+ "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", \
+ "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", \
+ "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", \
+ "mq", "lr", "ctr", "ap", \
+ "cr0", "cr1", "cr2", "cr3", "cr4", "cr5", "cr6", "cr7", \
+ "xer", \
+ "v0", "v1", "v2", "v3", "v4", "v5", "v6", "v7", \
+ "v8", "v9", "v10", "v11", "v12", "v13", "v14", "v15", \
+ "v16", "v17", "v18", "v19", "v20", "v21", "v22", "v23", \
+ "v24", "v25", "v26", "v27", "v28", "v29", "v30", "v31", \
+ "vrsave", "vscr", \
+ "spe_acc", "spefscr", \
+ "sfp" \
+}
/* This outputs NAME to FILE. */
#undef RS6000_OUTPUT_BASENAME
#define RS6000_OUTPUT_BASENAME(FILE, NAME) \
- assemble_name (FILE, NAME);
-
-/* Output before instructions. */
-/* This is how to output the definition of a user-level label named NAME,
- such as the label on a static function or variable NAME. */
-
-#define ASM_OUTPUT_LABEL(FILE,NAME) \
- do { assemble_name (FILE, NAME); fputs (":\n", FILE); } while (0)
-
-/* This is how to output a command to make the user-level label named NAME
- defined for reference from other files. */
+ assemble_name (FILE, NAME)
-#undef ASM_GLOBALIZE_LABEL
-#define ASM_GLOBALIZE_LABEL(FILE,NAME) \
- do { fputs ("\t.globl ", FILE); \
- RS6000_OUTPUT_BASENAME (FILE, NAME); putc ('\n', FILE);} while (0)
+/* Globalizing directive for a label. */
+#undef GLOBAL_ASM_OP
+#define GLOBAL_ASM_OP "\t.globl "
+#undef TARGET_ASM_GLOBALIZE_LABEL
/* This is how to output an internal label prefix. rs6000.c uses this
when generating traceback tables. */
@@ -117,25 +242,16 @@ Boston, MA 02111-1307, USA. */
#define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX) \
fprintf (FILE, "%s", PREFIX)
-#undef TEXT_SECTION_ASM_OP
-#define TEXT_SECTION_ASM_OP ".text"
-
-/* Output before writable data. */
-
-#undef DATA_SECTION_ASM_OP
-#define DATA_SECTION_ASM_OP ".data"
-
/* This says how to output an assembler line to define a global common
symbol. */
-/* ? */
-#undef ASM_OUTPUT_ALIGNED_COMMON
-#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
- do { fputs (".comm ", (FILE)); \
- RS6000_OUTPUT_BASENAME ((FILE), (NAME)); \
- fprintf ((FILE), ",%d\n", (SIZE)); } while (0)
-
-#define ASM_OUTPUT_SKIP(FILE,SIZE) \
- fprintf (FILE, "\t.space %d\n", SIZE)
+#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
+ do { \
+ unsigned HOST_WIDE_INT _new_size = SIZE; \
+ fputs (".comm ", (FILE)); \
+ RS6000_OUTPUT_BASENAME ((FILE), (NAME)); \
+ if (_new_size == 0) _new_size = 1; \
+ fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED"\n", _new_size); \
+ } while (0)
/* Override the standard rs6000 definition. */
@@ -148,6 +264,34 @@ Boston, MA 02111-1307, USA. */
#define RESTORE_FP_PREFIX "._restf"
#define RESTORE_FP_SUFFIX ""
+/* This is how to output an assembler line that says to advance
+ the location counter to a multiple of 2**LOG bytes using the
+ "nop" instruction as padding. */
+
+#define ASM_OUTPUT_ALIGN_WITH_NOP(FILE,LOG) \
+ do \
+ { \
+ if ((LOG) < 3) \
+ { \
+ ASM_OUTPUT_ALIGN (FILE,LOG); \
+ } \
+ else /* nop == ori r0,r0,0 */ \
+ fprintf (FILE, "\t.align32 %d,0x60000000\n", (LOG)); \
+ } while (0)
+
+#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
+/* This is supported in cctools 465 and later. The macro test
+ above prevents using it in earlier build environments. */
+#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
+ if ((LOG) != 0) \
+ { \
+ if ((MAX_SKIP) == 0) \
+ fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
+ else \
+ fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
+ }
+#endif
+
/* Generate insns to call the profiler. */
#define PROFILE_HOOK(LABEL) output_profile_hook (LABEL)
@@ -156,22 +300,30 @@ Boston, MA 02111-1307, USA. */
#define RS6000_MCOUNT "*mcount"
-/* Default processor: a G4. */
+/* Default processor: G4, and G5 for 64-bit. */
#undef PROCESSOR_DEFAULT
#define PROCESSOR_DEFAULT PROCESSOR_PPC7400
+#undef PROCESSOR_DEFAULT64
+#define PROCESSOR_DEFAULT64 PROCESSOR_POWER4
/* Default target flag settings. Despite the fact that STMW/LMW
- serializes, it's still a big codesize win to use them. Use FSEL by
+ serializes, it's still a big code size win to use them. Use FSEL by
default as well. */
#undef TARGET_DEFAULT
#define TARGET_DEFAULT (MASK_POWERPC | MASK_MULTIPLE | MASK_NEW_MNEMONICS \
| MASK_PPC_GFXOPT)
+/* Darwin only runs on PowerPC, so short-circuit POWER patterns. */
+#undef TARGET_POWER
+#define TARGET_POWER 0
+#undef TARGET_IEEEQUAD
+#define TARGET_IEEEQUAD 0
+
/* Since Darwin doesn't do TOCs, stub this out. */
-#define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) 0
+#define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) ((void)X, (void)MODE, 0)
/* Unlike most other PowerPC targets, chars are signed, for
consistency with other Darwin architectures. */
@@ -179,11 +331,11 @@ Boston, MA 02111-1307, USA. */
#undef DEFAULT_SIGNED_CHAR
#define DEFAULT_SIGNED_CHAR (1)
-/* Given an rtx X being reloaded into a reg required to be
- in class CLASS, return the class of reg to actually use.
+/* Given an rtx X being reloaded into a reg required to be
+ in class CLASS, return the class of reg to actually use.
In general this is just CLASS; but on some machines
in some cases it is preferable to use a more restrictive class.
-
+
On the RS/6000, we have to return NO_REGS when we want to reload a
floating-point CONST_DOUBLE to force it to be copied to memory.
@@ -191,49 +343,97 @@ Boston, MA 02111-1307, USA. */
a SYMBOL_REF. */
#undef PREFERRED_RELOAD_CLASS
-#define PREFERRED_RELOAD_CLASS(X,CLASS) \
- (((GET_CODE (X) == CONST_DOUBLE \
- && GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT) \
- ? NO_REGS \
- : (GET_MODE_CLASS (GET_MODE (X)) == MODE_INT \
- && (CLASS) == NON_SPECIAL_REGS) \
- ? GENERAL_REGS \
- : (GET_CODE (X) == SYMBOL_REF || GET_CODE (X) == HIGH) \
- ? BASE_REGS \
- : (CLASS)))
-
-/* Fix for emit_group_load (): force large constants to be pushed via regs. */
-#define ALWAYS_PUSH_CONSTS_USING_REGS_P 1
-
-/* Darwin word-aligns FP doubles but doubleword-aligns 64-bit ints. */
-#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \
- (TYPE_MODE (TREE_CODE (TREE_TYPE (FIELD)) == ARRAY_TYPE \
- ? get_inner_array_type (FIELD) \
- : TREE_TYPE (FIELD)) == DFmode \
- ? MIN ((COMPUTED), 32) : (COMPUTED))
+#define PREFERRED_RELOAD_CLASS(X,CLASS) \
+ ((CONSTANT_P (X) \
+ && reg_classes_intersect_p ((CLASS), FLOAT_REGS)) \
+ ? NO_REGS \
+ : ((GET_CODE (X) == SYMBOL_REF || GET_CODE (X) == HIGH) \
+ && reg_class_subset_p (BASE_REGS, (CLASS))) \
+ ? BASE_REGS \
+ : (GET_MODE_CLASS (GET_MODE (X)) == MODE_INT \
+ && (CLASS) == NON_SPECIAL_REGS) \
+ ? GENERAL_REGS \
+ : (CLASS))
+
+/* Compute field alignment. This is similar to the version of the
+ macro in the Apple version of GCC, except that version supports
+ 'mac68k' alignment, and that version uses the computed alignment
+ always for the first field of a structure. The first-field
+ behavior is dealt with by
+ darwin_rs6000_special_round_type_align. */
+#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \
+ (TARGET_ALIGN_NATURAL ? (COMPUTED) \
+ : (COMPUTED) == 128 ? 128 \
+ : MIN ((COMPUTED), 32))
/* Darwin increases natural record alignment to doubleword if the first
field is an FP double while the FP fields remain word aligned. */
-#define ROUND_TYPE_ALIGN(STRUCT, COMPUTED, SPECIFIED) \
- ((TREE_CODE (STRUCT) == RECORD_TYPE \
- || TREE_CODE (STRUCT) == UNION_TYPE \
- || TREE_CODE (STRUCT) == QUAL_UNION_TYPE) \
- && TYPE_FIELDS (STRUCT) != 0 \
- && DECL_MODE (TYPE_FIELDS (STRUCT)) == DFmode \
- ? MAX (MAX ((COMPUTED), (SPECIFIED)), 64) \
- : (TARGET_ALTIVEC && TREE_CODE (STRUCT) == VECTOR_TYPE) \
- ? MAX (MAX ((COMPUTED), (SPECIFIED)), 128) \
+#define ROUND_TYPE_ALIGN(STRUCT, COMPUTED, SPECIFIED) \
+ ((TREE_CODE (STRUCT) == RECORD_TYPE \
+ || TREE_CODE (STRUCT) == UNION_TYPE \
+ || TREE_CODE (STRUCT) == QUAL_UNION_TYPE) \
+ && TARGET_ALIGN_NATURAL == 0 \
+ ? darwin_rs6000_special_round_type_align (STRUCT, COMPUTED, SPECIFIED) \
+ : (TREE_CODE (STRUCT) == VECTOR_TYPE \
+ && ALTIVEC_VECTOR_MODE (TYPE_MODE (STRUCT))) \
+ ? MAX (MAX ((COMPUTED), (SPECIFIED)), 128) \
: MAX ((COMPUTED), (SPECIFIED)))
+/* Specify padding for the last element of a block move between
+ registers and memory. FIRST is nonzero if this is the only
+ element. */
+#define BLOCK_REG_PADDING(MODE, TYPE, FIRST) \
+ (!(FIRST) ? upward : FUNCTION_ARG_PADDING (MODE, TYPE))
+
/* XXX: Darwin supports neither .quad, or .llong, but it also doesn't
- support 64 bit powerpc either, so this just keeps things happy. */
+ support 64 bit PowerPC either, so this just keeps things happy. */
#define DOUBLE_INT_ASM_OP "\t.quad\t"
-/* Get HOST_WIDE_INT and CONST_INT to be 32 bits, for compile time
- space/speed. */
-#undef MAX_LONG_TYPE_SIZE
-#define MAX_LONG_TYPE_SIZE 32
-
/* For binary compatibility with 2.95; Darwin C APIs use bool from
- stdbool.h, which was an int-sized enum in 2.95. */
-#define BOOL_TYPE_SIZE INT_TYPE_SIZE
+ stdbool.h, which was an int-sized enum in 2.95. Users can explicitly
+ choose to have sizeof(bool)==1 with the -mone-byte-bool switch. */
+#define BOOL_TYPE_SIZE (darwin_one_byte_bool ? CHAR_TYPE_SIZE : INT_TYPE_SIZE)
+
+#undef REGISTER_TARGET_PRAGMAS
+#define REGISTER_TARGET_PRAGMAS() \
+ do \
+ { \
+ DARWIN_REGISTER_TARGET_PRAGMAS(); \
+ targetm.resolve_overloaded_builtin = altivec_resolve_overloaded_builtin; \
+ } \
+ while (0)
+
+#ifdef IN_LIBGCC2
+#include
+#endif
+
+#if !defined(__LP64__) && !defined(DARWIN_LIBSYSTEM_HAS_UNWIND)
+#define MD_UNWIND_SUPPORT "config/rs6000/darwin-unwind.h"
+#endif
+
+/* True, iff we're generating fast turn around debugging code. When
+ true, we arrange for function prologues to start with 5 nops so
+ that gdb may insert code to redirect them, and for data to be
+ accessed indirectly. The runtime uses this indirection to forward
+ references for data to the original instance of that data. */
+
+#define TARGET_FIX_AND_CONTINUE (darwin_fix_and_continue)
+
+/* This is the reserved direct dispatch address for Objective-C. */
+#define OFFS_MSGSEND_FAST 0xFFFEFF00
+
+/* This is the reserved ivar address Objective-C. */
+#define OFFS_ASSIGNIVAR_FAST 0xFFFEFEC0
+
+/* Old versions of Mac OS/Darwin don't have C99 functions available. */
+#undef TARGET_C99_FUNCTIONS
+#define TARGET_C99_FUNCTIONS \
+ (TARGET_64BIT \
+ || strverscmp (darwin_macosx_version_min, "10.3") >= 0)
+
+/* When generating kernel code or kexts, we don't use Altivec by
+ default, as kernel code doesn't save/restore those registers. */
+#define OS_MISSING_ALTIVEC (flag_mkernel || flag_apple_kext)
+
+/* Darwin has to rename some of the long double builtins. */
+#define SUBTARGET_INIT_BUILTINS darwin_patch_builtins ()