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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/config/sparc/sparc.h
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diff --git a/gcc/config/sparc/sparc.h b/gcc/config/sparc/sparc.h
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+/* Definitions of target machine for GNU compiler, for Sun SPARC.
+ Copyright (C) 1987, 1988, 1989, 1992, 1994, 1995, 1996, 1997, 1998, 1999
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
+ Free Software Foundation, Inc.
+ Contributed by Michael Tiemann (tiemann@cygnus.com).
+ 64-bit SPARC-V9 support by Michael Tiemann, Jim Wilson, and Doug Evans,
+ at Cygnus Support.
+
+This file is part of GCC.
+
+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.
+
+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 GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>. */
+
+#include "config/vxworks-dummy.h"
+
+/* Note that some other tm.h files include this one and then override
+ whatever definitions are necessary. */
+
+/* Define the specific costs for a given cpu */
+
+struct processor_costs {
+ /* Integer load */
+ const int int_load;
+
+ /* Integer signed load */
+ const int int_sload;
+
+ /* Integer zeroed load */
+ const int int_zload;
+
+ /* Float load */
+ const int float_load;
+
+ /* fmov, fneg, fabs */
+ const int float_move;
+
+ /* fadd, fsub */
+ const int float_plusminus;
+
+ /* fcmp */
+ const int float_cmp;
+
+ /* fmov, fmovr */
+ const int float_cmove;
+
+ /* fmul */
+ const int float_mul;
+
+ /* fdivs */
+ const int float_div_sf;
+
+ /* fdivd */
+ const int float_div_df;
+
+ /* fsqrts */
+ const int float_sqrt_sf;
+
+ /* fsqrtd */
+ const int float_sqrt_df;
+
+ /* umul/smul */
+ const int int_mul;
+
+ /* mulX */
+ const int int_mulX;
+
+ /* integer multiply cost for each bit set past the most
+ significant 3, so the formula for multiply cost becomes:
+
+ if (rs1 < 0)
+ highest_bit = highest_clear_bit(rs1);
+ else
+ highest_bit = highest_set_bit(rs1);
+ if (highest_bit < 3)
+ highest_bit = 3;
+ cost = int_mul{,X} + ((highest_bit - 3) / int_mul_bit_factor);
+
+ A value of zero indicates that the multiply costs is fixed,
+ and not variable. */
+ const int int_mul_bit_factor;
+
+ /* udiv/sdiv */
+ const int int_div;
+
+ /* divX */
+ const int int_divX;
+
+ /* movcc, movr */
+ const int int_cmove;
+
+ /* penalty for shifts, due to scheduling rules etc. */
+ const int shift_penalty;
+};
+
+extern const struct processor_costs *sparc_costs;
+
+/* Target CPU builtins. FIXME: Defining sparc is for the benefit of
+ Solaris only; otherwise just define __sparc__. Sadly the headers
+ are such a mess there is no Solaris-specific header. */
+#define TARGET_CPU_CPP_BUILTINS() \
+ do \
+ { \
+ builtin_define_std ("sparc"); \
+ if (TARGET_64BIT) \
+ { \
+ builtin_assert ("cpu=sparc64"); \
+ builtin_assert ("machine=sparc64"); \
+ } \
+ else \
+ { \
+ builtin_assert ("cpu=sparc"); \
+ builtin_assert ("machine=sparc"); \
+ } \
+ } \
+ while (0)
+
+/* Specify this in a cover file to provide bi-architecture (32/64) support. */
+/* #define SPARC_BI_ARCH */
+
+/* Macro used later in this file to determine default architecture. */
+#define DEFAULT_ARCH32_P ((TARGET_DEFAULT & MASK_64BIT) == 0)
+
+/* TARGET_ARCH{32,64} are the main macros to decide which of the two
+ architectures to compile for. We allow targets to choose compile time or
+ runtime selection. */
+#ifdef IN_LIBGCC2
+#if defined(__sparcv9) || defined(__arch64__)
+#define TARGET_ARCH32 0
+#else
+#define TARGET_ARCH32 1
+#endif /* sparc64 */
+#else
+#ifdef SPARC_BI_ARCH
+#define TARGET_ARCH32 (! TARGET_64BIT)
+#else
+#define TARGET_ARCH32 (DEFAULT_ARCH32_P)
+#endif /* SPARC_BI_ARCH */
+#endif /* IN_LIBGCC2 */
+#define TARGET_ARCH64 (! TARGET_ARCH32)
+
+/* Code model selection in 64-bit environment.
+
+ The machine mode used for addresses is 32-bit wide:
+
+ TARGET_CM_32: 32-bit address space.
+ It is the code model used when generating 32-bit code.
+
+ The machine mode used for addresses is 64-bit wide:
+
+ TARGET_CM_MEDLOW: 32-bit address space.
+ The executable must be in the low 32 bits of memory.
+ This avoids generating %uhi and %ulo terms. Programs
+ can be statically or dynamically linked.
+
+ TARGET_CM_MEDMID: 44-bit address space.
+ The executable must be in the low 44 bits of memory,
+ and the %[hml]44 terms are used. The text and data
+ segments have a maximum size of 2GB (31-bit span).
+ The maximum offset from any instruction to the label
+ _GLOBAL_OFFSET_TABLE_ is 2GB (31-bit span).
+
+ TARGET_CM_MEDANY: 64-bit address space.
+ The text and data segments have a maximum size of 2GB
+ (31-bit span) and may be located anywhere in memory.
+ The maximum offset from any instruction to the label
+ _GLOBAL_OFFSET_TABLE_ is 2GB (31-bit span).
+
+ TARGET_CM_EMBMEDANY: 64-bit address space.
+ The text and data segments have a maximum size of 2GB
+ (31-bit span) and may be located anywhere in memory.
+ The global register %g4 contains the start address of
+ the data segment. Programs are statically linked and
+ PIC is not supported.
+
+ Different code models are not supported in 32-bit environment. */
+
+enum cmodel {
+ CM_32,
+ CM_MEDLOW,
+ CM_MEDMID,
+ CM_MEDANY,
+ CM_EMBMEDANY
+};
+
+/* One of CM_FOO. */
+extern enum cmodel sparc_cmodel;
+
+/* V9 code model selection. */
+#define TARGET_CM_MEDLOW (sparc_cmodel == CM_MEDLOW)
+#define TARGET_CM_MEDMID (sparc_cmodel == CM_MEDMID)
+#define TARGET_CM_MEDANY (sparc_cmodel == CM_MEDANY)
+#define TARGET_CM_EMBMEDANY (sparc_cmodel == CM_EMBMEDANY)
+
+#define SPARC_DEFAULT_CMODEL CM_32
+
+/* The SPARC-V9 architecture defines a relaxed memory ordering model (RMO)
+ which requires the following macro to be true if enabled. Prior to V9,
+ there are no instructions to even talk about memory synchronization.
+ Note that the UltraSPARC III processors don't implement RMO, unlike the
+ UltraSPARC II processors. Niagara and Niagara-2 do not implement RMO
+ either.
+
+ Default to false; for example, Solaris never enables RMO, only ever uses
+ total memory ordering (TMO). */
+#define SPARC_RELAXED_ORDERING false
+
+/* Do not use the .note.GNU-stack convention by default. */
+#define NEED_INDICATE_EXEC_STACK 0
+
+/* This is call-clobbered in the normal ABI, but is reserved in the
+ home grown (aka upward compatible) embedded ABI. */
+#define EMBMEDANY_BASE_REG "%g4"
+
+/* Values of TARGET_CPU_DEFAULT, set via -D in the Makefile,
+ and specified by the user via --with-cpu=foo.
+ This specifies the cpu implementation, not the architecture size. */
+/* Note that TARGET_CPU_v9 is assumed to start the list of 64-bit
+ capable cpu's. */
+#define TARGET_CPU_sparc 0
+#define TARGET_CPU_v7 0 /* alias */
+#define TARGET_CPU_cypress 0 /* alias */
+#define TARGET_CPU_v8 1 /* generic v8 implementation */
+#define TARGET_CPU_supersparc 2
+#define TARGET_CPU_hypersparc 3
+#define TARGET_CPU_leon 4
+#define TARGET_CPU_sparclite 5
+#define TARGET_CPU_f930 5 /* alias */
+#define TARGET_CPU_f934 5 /* alias */
+#define TARGET_CPU_sparclite86x 6
+#define TARGET_CPU_sparclet 7
+#define TARGET_CPU_tsc701 7 /* alias */
+#define TARGET_CPU_v9 8 /* generic v9 implementation */
+#define TARGET_CPU_sparcv9 8 /* alias */
+#define TARGET_CPU_sparc64 8 /* alias */
+#define TARGET_CPU_ultrasparc 9
+#define TARGET_CPU_ultrasparc3 10
+#define TARGET_CPU_niagara 11
+#define TARGET_CPU_niagara2 12
+
+#if TARGET_CPU_DEFAULT == TARGET_CPU_v9 \
+ || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc \
+ || TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3 \
+ || TARGET_CPU_DEFAULT == TARGET_CPU_niagara \
+ || TARGET_CPU_DEFAULT == TARGET_CPU_niagara2
+
+#define CPP_CPU32_DEFAULT_SPEC ""
+#define ASM_CPU32_DEFAULT_SPEC ""
+
+#if TARGET_CPU_DEFAULT == TARGET_CPU_v9
+/* ??? What does Sun's CC pass? */
+#define CPP_CPU64_DEFAULT_SPEC "-D__sparc_v9__"
+/* ??? It's not clear how other assemblers will handle this, so by default
+ use GAS. Sun's Solaris assembler recognizes -xarch=v8plus, but this case
+ is handled in sol2.h. */
+#define ASM_CPU64_DEFAULT_SPEC "-Av9"
+#endif
+#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
+#define CPP_CPU64_DEFAULT_SPEC "-D__sparc_v9__"
+#define ASM_CPU64_DEFAULT_SPEC "-Av9a"
+#endif
+#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3
+#define CPP_CPU64_DEFAULT_SPEC "-D__sparc_v9__"
+#define ASM_CPU64_DEFAULT_SPEC "-Av9b"
+#endif
+#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara
+#define CPP_CPU64_DEFAULT_SPEC "-D__sparc_v9__"
+#define ASM_CPU64_DEFAULT_SPEC "-Av9b"
+#endif
+#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara2
+#define CPP_CPU64_DEFAULT_SPEC "-D__sparc_v9__"
+#define ASM_CPU64_DEFAULT_SPEC "-Av9b"
+#endif
+
+#else
+
+#define CPP_CPU64_DEFAULT_SPEC ""
+#define ASM_CPU64_DEFAULT_SPEC ""
+
+#if TARGET_CPU_DEFAULT == TARGET_CPU_sparc \
+ || TARGET_CPU_DEFAULT == TARGET_CPU_v8
+#define CPP_CPU32_DEFAULT_SPEC ""
+#define ASM_CPU32_DEFAULT_SPEC ""
+#endif
+
+#if TARGET_CPU_DEFAULT == TARGET_CPU_sparclet
+#define CPP_CPU32_DEFAULT_SPEC "-D__sparclet__"
+#define ASM_CPU32_DEFAULT_SPEC "-Asparclet"
+#endif
+
+#if TARGET_CPU_DEFAULT == TARGET_CPU_sparclite
+#define CPP_CPU32_DEFAULT_SPEC "-D__sparclite__"
+#define ASM_CPU32_DEFAULT_SPEC "-Asparclite"
+#endif
+
+#if TARGET_CPU_DEFAULT == TARGET_CPU_sparclite86x
+#define CPP_CPU32_DEFAULT_SPEC "-D__sparclite86x__"
+#define ASM_CPU32_DEFAULT_SPEC "-Asparclite"
+#endif
+
+#if TARGET_CPU_DEFAULT == TARGET_CPU_supersparc
+#define CPP_CPU32_DEFAULT_SPEC "-D__supersparc__ -D__sparc_v8__"
+#define ASM_CPU32_DEFAULT_SPEC ""
+#endif
+
+#if TARGET_CPU_DEFAULT == TARGET_CPU_hypersparc
+#define CPP_CPU32_DEFAULT_SPEC "-D__hypersparc__ -D__sparc_v8__"
+#define ASM_CPU32_DEFAULT_SPEC ""
+#endif
+
+#if TARGET_CPU_DEFAULT == TARGET_CPU_leon
+#define CPP_CPU32_DEFAULT_SPEC "-D__leon__ -D__sparc_v8__"
+#define ASM_CPU32_DEFAULT_SPEC ""
+#endif
+
+#endif
+
+#if !defined(CPP_CPU32_DEFAULT_SPEC) || !defined(CPP_CPU64_DEFAULT_SPEC)
+ #error Unrecognized value in TARGET_CPU_DEFAULT.
+#endif
+
+#ifdef SPARC_BI_ARCH
+
+#define CPP_CPU_DEFAULT_SPEC \
+(DEFAULT_ARCH32_P ? "\
+%{m64:" CPP_CPU64_DEFAULT_SPEC "} \
+%{!m64:" CPP_CPU32_DEFAULT_SPEC "} \
+" : "\
+%{m32:" CPP_CPU32_DEFAULT_SPEC "} \
+%{!m32:" CPP_CPU64_DEFAULT_SPEC "} \
+")
+#define ASM_CPU_DEFAULT_SPEC \
+(DEFAULT_ARCH32_P ? "\
+%{m64:" ASM_CPU64_DEFAULT_SPEC "} \
+%{!m64:" ASM_CPU32_DEFAULT_SPEC "} \
+" : "\
+%{m32:" ASM_CPU32_DEFAULT_SPEC "} \
+%{!m32:" ASM_CPU64_DEFAULT_SPEC "} \
+")
+
+#else /* !SPARC_BI_ARCH */
+
+#define CPP_CPU_DEFAULT_SPEC (DEFAULT_ARCH32_P ? CPP_CPU32_DEFAULT_SPEC : CPP_CPU64_DEFAULT_SPEC)
+#define ASM_CPU_DEFAULT_SPEC (DEFAULT_ARCH32_P ? ASM_CPU32_DEFAULT_SPEC : ASM_CPU64_DEFAULT_SPEC)
+
+#endif /* !SPARC_BI_ARCH */
+
+/* Define macros to distinguish architectures. */
+
+/* Common CPP definitions used by CPP_SPEC amongst the various targets
+ for handling -mcpu=xxx switches. */
+#define CPP_CPU_SPEC "\
+%{msoft-float:-D_SOFT_FLOAT} \
+%{mcpu=sparclet:-D__sparclet__} %{mcpu=tsc701:-D__sparclet__} \
+%{mcpu=sparclite:-D__sparclite__} \
+%{mcpu=f930:-D__sparclite__} %{mcpu=f934:-D__sparclite__} \
+%{mcpu=sparclite86x:-D__sparclite86x__} \
+%{mcpu=v8:-D__sparc_v8__} \
+%{mcpu=supersparc:-D__supersparc__ -D__sparc_v8__} \
+%{mcpu=hypersparc:-D__hypersparc__ -D__sparc_v8__} \
+%{mcpu=leon:-D__leon__ -D__sparc_v8__} \
+%{mcpu=v9:-D__sparc_v9__} \
+%{mcpu=ultrasparc:-D__sparc_v9__} \
+%{mcpu=ultrasparc3:-D__sparc_v9__} \
+%{mcpu=niagara:-D__sparc_v9__} \
+%{mcpu=niagara2:-D__sparc_v9__} \
+%{!mcpu*:%(cpp_cpu_default)} \
+"
+#define CPP_ARCH32_SPEC ""
+#define CPP_ARCH64_SPEC "-D__arch64__"
+
+#define CPP_ARCH_DEFAULT_SPEC \
+(DEFAULT_ARCH32_P ? CPP_ARCH32_SPEC : CPP_ARCH64_SPEC)
+
+#define CPP_ARCH_SPEC "\
+%{m32:%(cpp_arch32)} \
+%{m64:%(cpp_arch64)} \
+%{!m32:%{!m64:%(cpp_arch_default)}} \
+"
+
+/* Macro to distinguish endianness. */
+#define CPP_ENDIAN_SPEC "\
+%{mlittle-endian:-D__LITTLE_ENDIAN__}"
+
+/* Macros to distinguish the particular subtarget. */
+#define CPP_SUBTARGET_SPEC ""
+
+#define CPP_SPEC "%(cpp_cpu) %(cpp_arch) %(cpp_endian) %(cpp_subtarget)"
+
+/* This used to translate -dalign to -malign, but that is no good
+ because it can't turn off the usual meaning of making debugging dumps. */
+
+#define CC1_SPEC ""
+
+/* Override in target specific files. */
+#define ASM_CPU_SPEC "\
+%{mcpu=sparclet:-Asparclet} %{mcpu=tsc701:-Asparclet} \
+%{mcpu=sparclite:-Asparclite} \
+%{mcpu=sparclite86x:-Asparclite} \
+%{mcpu=f930:-Asparclite} %{mcpu=f934:-Asparclite} \
+%{mcpu=v8:-Av8} \
+%{mcpu=supersparc:-Av8} \
+%{mcpu=hypersparc:-Av8} \
+%{mcpu=leon:-Av8} \
+%{mv8plus:-Av8plus} \
+%{mcpu=v9:-Av9} \
+%{mcpu=ultrasparc:%{!mv8plus:-Av9a}} \
+%{mcpu=ultrasparc3:%{!mv8plus:-Av9b}} \
+%{mcpu=niagara:%{!mv8plus:-Av9b}} \
+%{mcpu=niagara2:%{!mv8plus:-Av9b}} \
+%{!mcpu*:%(asm_cpu_default)} \
+"
+
+/* Word size selection, among other things.
+ This is what GAS uses. Add %(asm_arch) to ASM_SPEC to enable. */
+
+#define ASM_ARCH32_SPEC "-32"
+#ifdef HAVE_AS_REGISTER_PSEUDO_OP
+#define ASM_ARCH64_SPEC "-64 -no-undeclared-regs"
+#else
+#define ASM_ARCH64_SPEC "-64"
+#endif
+#define ASM_ARCH_DEFAULT_SPEC \
+(DEFAULT_ARCH32_P ? ASM_ARCH32_SPEC : ASM_ARCH64_SPEC)
+
+#define ASM_ARCH_SPEC "\
+%{m32:%(asm_arch32)} \
+%{m64:%(asm_arch64)} \
+%{!m32:%{!m64:%(asm_arch_default)}} \
+"
+
+#ifdef HAVE_AS_RELAX_OPTION
+#define ASM_RELAX_SPEC "%{!mno-relax:-relax}"
+#else
+#define ASM_RELAX_SPEC ""
+#endif
+
+/* Special flags to the Sun-4 assembler when using pipe for input. */
+
+#define ASM_SPEC "\
+%{!pg:%{!p:%{fpic|fPIC|fpie|fPIE:-k}}} %{keep-local-as-symbols:-L} \
+%(asm_cpu) %(asm_relax)"
+
+/* This macro defines names of additional specifications to put in the specs
+ that can be used in various specifications like CC1_SPEC. Its 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 GCC driver
+ program.
+
+ Do not define this macro if it does not need to do anything. */
+
+#define EXTRA_SPECS \
+ { "cpp_cpu", CPP_CPU_SPEC }, \
+ { "cpp_cpu_default", CPP_CPU_DEFAULT_SPEC }, \
+ { "cpp_arch32", CPP_ARCH32_SPEC }, \
+ { "cpp_arch64", CPP_ARCH64_SPEC }, \
+ { "cpp_arch_default", CPP_ARCH_DEFAULT_SPEC },\
+ { "cpp_arch", CPP_ARCH_SPEC }, \
+ { "cpp_endian", CPP_ENDIAN_SPEC }, \
+ { "cpp_subtarget", CPP_SUBTARGET_SPEC }, \
+ { "asm_cpu", ASM_CPU_SPEC }, \
+ { "asm_cpu_default", ASM_CPU_DEFAULT_SPEC }, \
+ { "asm_arch32", ASM_ARCH32_SPEC }, \
+ { "asm_arch64", ASM_ARCH64_SPEC }, \
+ { "asm_relax", ASM_RELAX_SPEC }, \
+ { "asm_arch_default", ASM_ARCH_DEFAULT_SPEC },\
+ { "asm_arch", ASM_ARCH_SPEC }, \
+ SUBTARGET_EXTRA_SPECS
+
+#define SUBTARGET_EXTRA_SPECS
+
+/* Because libgcc can generate references back to libc (via .umul etc.) we have
+ to list libc again after the second libgcc. */
+#define LINK_GCC_C_SEQUENCE_SPEC "%G %L %G %L"
+
+
+#define PTRDIFF_TYPE (TARGET_ARCH64 ? "long int" : "int")
+#define SIZE_TYPE (TARGET_ARCH64 ? "long unsigned int" : "unsigned int")
+
+/* ??? This should be 32 bits for v9 but what can we do? */
+#define WCHAR_TYPE "short unsigned int"
+#define WCHAR_TYPE_SIZE 16
+
+/* Mask of all CPU selection flags. */
+#define MASK_ISA \
+(MASK_V8 + MASK_SPARCLITE + MASK_SPARCLET + MASK_V9 + MASK_DEPRECATED_V8_INSNS)
+
+/* TARGET_HARD_MUL: Use hardware multiply instructions but not %y.
+ TARGET_HARD_MUL32: Use hardware multiply instructions with rd %y
+ to get high 32 bits. False in V8+ or V9 because multiply stores
+ a 64-bit result in a register. */
+
+#define TARGET_HARD_MUL32 \
+ ((TARGET_V8 || TARGET_SPARCLITE \
+ || TARGET_SPARCLET || TARGET_DEPRECATED_V8_INSNS) \
+ && ! TARGET_V8PLUS && TARGET_ARCH32)
+
+#define TARGET_HARD_MUL \
+ (TARGET_V8 || TARGET_SPARCLITE || TARGET_SPARCLET \
+ || TARGET_DEPRECATED_V8_INSNS || TARGET_V8PLUS)
+
+/* MASK_APP_REGS must always be the default because that's what
+ FIXED_REGISTERS is set to and -ffixed- is processed before
+ TARGET_CONDITIONAL_REGISTER_USAGE is called (where we process
+ -mno-app-regs). */
+#define TARGET_DEFAULT (MASK_APP_REGS + MASK_FPU)
+
+/* Processor type.
+ These must match the values for the cpu attribute in sparc.md. */
+enum processor_type {
+ PROCESSOR_V7,
+ PROCESSOR_CYPRESS,
+ PROCESSOR_V8,
+ PROCESSOR_SUPERSPARC,
+ PROCESSOR_HYPERSPARC,
+ PROCESSOR_LEON,
+ PROCESSOR_SPARCLITE,
+ PROCESSOR_F930,
+ PROCESSOR_F934,
+ PROCESSOR_SPARCLITE86X,
+ PROCESSOR_SPARCLET,
+ PROCESSOR_TSC701,
+ PROCESSOR_V9,
+ PROCESSOR_ULTRASPARC,
+ PROCESSOR_ULTRASPARC3,
+ PROCESSOR_NIAGARA,
+ PROCESSOR_NIAGARA2
+};
+
+/* This is set from -m{cpu,tune}=xxx. */
+extern enum processor_type sparc_cpu;
+
+/* Recast the cpu class to be the cpu attribute.
+ Every file includes us, but not every file includes insn-attr.h. */
+#define sparc_cpu_attr ((enum attr_cpu) sparc_cpu)
+
+/* Support for a compile-time default CPU, et cetera. The rules are:
+ --with-cpu is ignored if -mcpu is specified.
+ --with-tune is ignored if -mtune is specified.
+ --with-float is ignored if -mhard-float, -msoft-float, -mfpu, or -mno-fpu
+ are specified. */
+#define OPTION_DEFAULT_SPECS \
+ {"cpu", "%{!mcpu=*:-mcpu=%(VALUE)}" }, \
+ {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
+ {"float", "%{!msoft-float:%{!mhard-float:%{!mfpu:%{!mno-fpu:-m%(VALUE)-float}}}}" }
+
+/* sparc_select[0] is reserved for the default cpu. */
+struct sparc_cpu_select
+{
+ const char *string;
+ const char *const name;
+ const int set_tune_p;
+ const int set_arch_p;
+};
+
+extern struct sparc_cpu_select sparc_select[];
+
+/* target machine storage layout */
+
+/* Define this if most significant bit is lowest numbered
+ in instructions that operate on numbered bit-fields. */
+#define BITS_BIG_ENDIAN 1
+
+/* Define this if most significant byte of a word is the lowest numbered. */
+#define BYTES_BIG_ENDIAN 1
+
+/* Define this if most significant word of a multiword number is the lowest
+ numbered. */
+#define WORDS_BIG_ENDIAN 1
+
+#define MAX_BITS_PER_WORD 64
+
+/* Width of a word, in units (bytes). */
+#define UNITS_PER_WORD (TARGET_ARCH64 ? 8 : 4)
+#ifdef IN_LIBGCC2
+#define MIN_UNITS_PER_WORD UNITS_PER_WORD
+#else
+#define MIN_UNITS_PER_WORD 4
+#endif
+
+/* Now define the sizes of the C data types. */
+
+#define SHORT_TYPE_SIZE 16
+#define INT_TYPE_SIZE 32
+#define LONG_TYPE_SIZE (TARGET_ARCH64 ? 64 : 32)
+#define LONG_LONG_TYPE_SIZE 64
+#define FLOAT_TYPE_SIZE 32
+#define DOUBLE_TYPE_SIZE 64
+
+/* LONG_DOUBLE_TYPE_SIZE is defined per OS even though the
+ SPARC ABI says that it is 128-bit wide. */
+/* #define LONG_DOUBLE_TYPE_SIZE 128 */
+
+/* The widest floating-point format really supported by the hardware. */
+#define WIDEST_HARDWARE_FP_SIZE 64
+
+/* Width in bits of a pointer. This is the size of ptr_mode. */
+#define POINTER_SIZE (TARGET_PTR64 ? 64 : 32)
+
+/* This is the machine mode used for addresses. */
+#define Pmode (TARGET_ARCH64 ? DImode : SImode)
+
+/* If we have to extend pointers (only when TARGET_ARCH64 and not
+ TARGET_PTR64), we want to do it unsigned. This macro does nothing
+ if ptr_mode and Pmode are the same. */
+#define POINTERS_EXTEND_UNSIGNED 1
+
+/* Allocation boundary (in *bits*) for storing arguments in argument list. */
+#define PARM_BOUNDARY (TARGET_ARCH64 ? 64 : 32)
+
+/* Boundary (in *bits*) on which stack pointer should be aligned. */
+/* FIXME, this is wrong when TARGET_ARCH64 and TARGET_STACK_BIAS, because
+ then %sp+2047 is 128-bit aligned so %sp is really only byte-aligned. */
+#define STACK_BOUNDARY (TARGET_ARCH64 ? 128 : 64)
+/* Temporary hack until the FIXME above is fixed. */
+#define SPARC_STACK_BOUNDARY_HACK (TARGET_ARCH64 && TARGET_STACK_BIAS)
+
+/* ALIGN FRAMES on double word boundaries */
+
+#define SPARC_STACK_ALIGN(LOC) \
+ (TARGET_ARCH64 ? (((LOC)+15) & ~15) : (((LOC)+7) & ~7))
+
+/* Allocation boundary (in *bits*) for the code of a function. */
+#define FUNCTION_BOUNDARY 32
+
+/* Alignment of field after `int : 0' in a structure. */
+#define EMPTY_FIELD_BOUNDARY (TARGET_ARCH64 ? 64 : 32)
+
+/* Every structure's size must be a multiple of this. */
+#define STRUCTURE_SIZE_BOUNDARY 8
+
+/* A bit-field declared as `int' forces `int' alignment for the struct. */
+#define PCC_BITFIELD_TYPE_MATTERS 1
+
+/* No data type wants to be aligned rounder than this. */
+#define BIGGEST_ALIGNMENT (TARGET_ARCH64 ? 128 : 64)
+
+/* The best alignment to use in cases where we have a choice. */
+#define FASTEST_ALIGNMENT 64
+
+/* Define this macro as an expression for the alignment of a structure
+ (given by STRUCT as a tree node) if the alignment computed in the
+ usual way is COMPUTED and the alignment explicitly specified was
+ SPECIFIED.
+
+ The default is to use SPECIFIED if it is larger; otherwise, use
+ the smaller of COMPUTED and `BIGGEST_ALIGNMENT' */
+#define ROUND_TYPE_ALIGN(STRUCT, COMPUTED, SPECIFIED) \
+ (TARGET_FASTER_STRUCTS ? \
+ ((TREE_CODE (STRUCT) == RECORD_TYPE \
+ || TREE_CODE (STRUCT) == UNION_TYPE \
+ || TREE_CODE (STRUCT) == QUAL_UNION_TYPE) \
+ && TYPE_FIELDS (STRUCT) != 0 \
+ ? MAX (MAX ((COMPUTED), (SPECIFIED)), BIGGEST_ALIGNMENT) \
+ : MAX ((COMPUTED), (SPECIFIED))) \
+ : MAX ((COMPUTED), (SPECIFIED)))
+
+/* Make strings word-aligned so strcpy from constants will be faster. */
+#define CONSTANT_ALIGNMENT(EXP, ALIGN) \
+ ((TREE_CODE (EXP) == STRING_CST \
+ && (ALIGN) < FASTEST_ALIGNMENT) \
+ ? FASTEST_ALIGNMENT : (ALIGN))
+
+/* Make arrays of chars word-aligned for the same reasons. */
+#define DATA_ALIGNMENT(TYPE, ALIGN) \
+ (TREE_CODE (TYPE) == ARRAY_TYPE \
+ && TYPE_MODE (TREE_TYPE (TYPE)) == QImode \
+ && (ALIGN) < FASTEST_ALIGNMENT ? FASTEST_ALIGNMENT : (ALIGN))
+
+/* Make local arrays of chars word-aligned for the same reasons. */
+#define LOCAL_ALIGNMENT(TYPE, ALIGN) DATA_ALIGNMENT (TYPE, ALIGN)
+
+/* Set this nonzero if move instructions will actually fail to work
+ when given unaligned data. */
+#define STRICT_ALIGNMENT 1
+
+/* Things that must be doubleword aligned cannot go in the text section,
+ because the linker fails to align the text section enough!
+ Put them in the data section. This macro is only used in this file. */
+#define MAX_TEXT_ALIGN 32
+
+/* Standard register usage. */
+
+/* Number of actual hardware registers.
+ The hardware registers are assigned numbers for the compiler
+ from 0 to just below FIRST_PSEUDO_REGISTER.
+ All registers that the compiler knows about must be given numbers,
+ even those that are not normally considered general registers.
+
+ SPARC has 32 integer registers and 32 floating point registers.
+ 64-bit SPARC has 32 additional fp regs, but the odd numbered ones are not
+ accessible. We still account for them to simplify register computations
+ (e.g.: in CLASS_MAX_NREGS). There are also 4 fp condition code registers, so
+ 32+32+32+4 == 100.
+ Register 100 is used as the integer condition code register.
+ Register 101 is used as the soft frame pointer register. */
+
+#define FIRST_PSEUDO_REGISTER 102
+
+#define SPARC_FIRST_FP_REG 32
+/* Additional V9 fp regs. */
+#define SPARC_FIRST_V9_FP_REG 64
+#define SPARC_LAST_V9_FP_REG 95
+/* V9 %fcc[0123]. V8 uses (figuratively) %fcc0. */
+#define SPARC_FIRST_V9_FCC_REG 96
+#define SPARC_LAST_V9_FCC_REG 99
+/* V8 fcc reg. */
+#define SPARC_FCC_REG 96
+/* Integer CC reg. We don't distinguish %icc from %xcc. */
+#define SPARC_ICC_REG 100
+
+/* Nonzero if REGNO is an fp reg. */
+#define SPARC_FP_REG_P(REGNO) \
+((REGNO) >= SPARC_FIRST_FP_REG && (REGNO) <= SPARC_LAST_V9_FP_REG)
+
+/* Argument passing regs. */
+#define SPARC_OUTGOING_INT_ARG_FIRST 8
+#define SPARC_INCOMING_INT_ARG_FIRST 24
+#define SPARC_FP_ARG_FIRST 32
+
+/* 1 for registers that have pervasive standard uses
+ and are not available for the register allocator.
+
+ On non-v9 systems:
+ g1 is free to use as temporary.
+ g2-g4 are reserved for applications. Gcc normally uses them as
+ temporaries, but this can be disabled via the -mno-app-regs option.
+ g5 through g7 are reserved for the operating system.
+
+ On v9 systems:
+ g1,g5 are free to use as temporaries, and are free to use between calls
+ if the call is to an external function via the PLT.
+ g4 is free to use as a temporary in the non-embedded case.
+ g4 is reserved in the embedded case.
+ g2-g3 are reserved for applications. Gcc normally uses them as
+ temporaries, but this can be disabled via the -mno-app-regs option.
+ g6-g7 are reserved for the operating system (or application in
+ embedded case).
+ ??? Register 1 is used as a temporary by the 64 bit sethi pattern, so must
+ currently be a fixed register until this pattern is rewritten.
+ Register 1 is also used when restoring call-preserved registers in large
+ stack frames.
+
+ Registers fixed in arch32 and not arch64 (or vice-versa) are marked in
+ TARGET_CONDITIONAL_REGISTER_USAGE in order to properly handle -ffixed-.
+*/
+
+#define FIXED_REGISTERS \
+ {1, 0, 2, 2, 2, 2, 1, 1, \
+ 0, 0, 0, 0, 0, 0, 1, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 1, 1, \
+ \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ \
+ 0, 0, 0, 0, 0, 1}
+
+/* 1 for registers not available across function calls.
+ These must include the FIXED_REGISTERS and also any
+ registers that can be used without being saved.
+ The latter must include the registers where values are returned
+ and the register where structure-value addresses are passed.
+ Aside from that, you can include as many other registers as you like. */
+
+#define CALL_USED_REGISTERS \
+ {1, 1, 1, 1, 1, 1, 1, 1, \
+ 1, 1, 1, 1, 1, 1, 1, 1, \
+ 0, 0, 0, 0, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0, 0, 1, 1, \
+ \
+ 1, 1, 1, 1, 1, 1, 1, 1, \
+ 1, 1, 1, 1, 1, 1, 1, 1, \
+ 1, 1, 1, 1, 1, 1, 1, 1, \
+ 1, 1, 1, 1, 1, 1, 1, 1, \
+ \
+ 1, 1, 1, 1, 1, 1, 1, 1, \
+ 1, 1, 1, 1, 1, 1, 1, 1, \
+ 1, 1, 1, 1, 1, 1, 1, 1, \
+ 1, 1, 1, 1, 1, 1, 1, 1, \
+ \
+ 1, 1, 1, 1, 1, 1}
+
+/* Return number of consecutive hard regs needed starting at reg REGNO
+ to hold something of mode MODE.
+ This is ordinarily the length in words of a value of mode MODE
+ but can be less for certain modes in special long registers.
+
+ On SPARC, ordinary registers hold 32 bits worth;
+ this means both integer and floating point registers.
+ On v9, integer regs hold 64 bits worth; floating point regs hold
+ 32 bits worth (this includes the new fp regs as even the odd ones are
+ included in the hard register count). */
+
+#define HARD_REGNO_NREGS(REGNO, MODE) \
+ (TARGET_ARCH64 \
+ ? ((REGNO) < 32 || (REGNO) == FRAME_POINTER_REGNUM \
+ ? (GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD \
+ : (GET_MODE_SIZE (MODE) + 3) / 4) \
+ : ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD))
+
+/* Due to the ARCH64 discrepancy above we must override this next
+ macro too. */
+#define REGMODE_NATURAL_SIZE(MODE) \
+ ((TARGET_ARCH64 && FLOAT_MODE_P (MODE)) ? 4 : UNITS_PER_WORD)
+
+/* Value is 1 if hard register REGNO can hold a value of machine-mode MODE.
+ See sparc.c for how we initialize this. */
+extern const int *hard_regno_mode_classes;
+extern int sparc_mode_class[];
+
+/* ??? Because of the funny way we pass parameters we should allow certain
+ ??? types of float/complex values to be in integer registers during
+ ??? RTL generation. This only matters on arch32. */
+#define HARD_REGNO_MODE_OK(REGNO, MODE) \
+ ((hard_regno_mode_classes[REGNO] & sparc_mode_class[MODE]) != 0)
+
+/* Value is 1 if it is OK to rename a hard register FROM to another hard
+ register TO. We cannot rename %g1 as it may be used before the save
+ register window instruction in the prologue. */
+#define HARD_REGNO_RENAME_OK(FROM, TO) ((FROM) != 1)
+
+/* Value is 1 if it is a good idea to tie two pseudo registers
+ when one has mode MODE1 and one has mode MODE2.
+ If HARD_REGNO_MODE_OK could produce different values for MODE1 and MODE2,
+ for any hard reg, then this must be 0 for correct output.
+
+ For V9: SFmode can't be combined with other float modes, because they can't
+ be allocated to the %d registers. Also, DFmode won't fit in odd %f
+ registers, but SFmode will. */
+#define MODES_TIEABLE_P(MODE1, MODE2) \
+ ((MODE1) == (MODE2) \
+ || (GET_MODE_CLASS (MODE1) == GET_MODE_CLASS (MODE2) \
+ && (! TARGET_V9 \
+ || (GET_MODE_CLASS (MODE1) != MODE_FLOAT \
+ || (MODE1 != SFmode && MODE2 != SFmode)))))
+
+/* Specify the registers used for certain standard purposes.
+ The values of these macros are register numbers. */
+
+/* Register to use for pushing function arguments. */
+#define STACK_POINTER_REGNUM 14
+
+/* The stack bias (amount by which the hardware register is offset by). */
+#define SPARC_STACK_BIAS ((TARGET_ARCH64 && TARGET_STACK_BIAS) ? 2047 : 0)
+
+/* Actual top-of-stack address is 92/176 greater than the contents of the
+ stack pointer register for !v9/v9. That is:
+ - !v9: 64 bytes for the in and local registers, 4 bytes for structure return
+ address, and 6*4 bytes for the 6 register parameters.
+ - v9: 128 bytes for the in and local registers + 6*8 bytes for the integer
+ parameter regs. */
+#define STACK_POINTER_OFFSET (FIRST_PARM_OFFSET(0) + SPARC_STACK_BIAS)
+
+/* Base register for access to local variables of the function. */
+#define HARD_FRAME_POINTER_REGNUM 30
+
+/* The soft frame pointer does not have the stack bias applied. */
+#define FRAME_POINTER_REGNUM 101
+
+/* Given the stack bias, the stack pointer isn't actually aligned. */
+#define INIT_EXPANDERS \
+ do { \
+ if (crtl->emit.regno_pointer_align && SPARC_STACK_BIAS) \
+ { \
+ REGNO_POINTER_ALIGN (STACK_POINTER_REGNUM) = BITS_PER_UNIT; \
+ REGNO_POINTER_ALIGN (HARD_FRAME_POINTER_REGNUM) = BITS_PER_UNIT; \
+ } \
+ } while (0)
+
+/* Base register for access to arguments of the function. */
+#define ARG_POINTER_REGNUM FRAME_POINTER_REGNUM
+
+/* Register in which static-chain is passed to a function. This must
+ not be a register used by the prologue. */
+#define STATIC_CHAIN_REGNUM (TARGET_ARCH64 ? 5 : 2)
+
+/* Register which holds the global offset table, if any. */
+
+#define GLOBAL_OFFSET_TABLE_REGNUM 23
+
+/* Register which holds offset table for position-independent
+ data references. */
+
+#define PIC_OFFSET_TABLE_REGNUM \
+ (flag_pic ? GLOBAL_OFFSET_TABLE_REGNUM : INVALID_REGNUM)
+
+/* Pick a default value we can notice from override_options:
+ !v9: Default is on.
+ v9: Default is off.
+ Originally it was -1, but later on the container of options changed to
+ unsigned byte, so we decided to pick 127 as default value, which does
+ reflect an undefined default value in case of 0/1. */
+
+#define DEFAULT_PCC_STRUCT_RETURN 127
+
+/* Functions which return large structures get the address
+ to place the wanted value at offset 64 from the frame.
+ Must reserve 64 bytes for the in and local registers.
+ v9: Functions which return large structures get the address to place the
+ wanted value from an invisible first argument. */
+#define STRUCT_VALUE_OFFSET 64
+
+/* Define the classes of registers for register constraints in the
+ machine description. Also define ranges of constants.
+
+ One of the classes must always be named ALL_REGS and include all hard regs.
+ If there is more than one class, another class must be named NO_REGS
+ and contain no registers.
+
+ The name GENERAL_REGS must be the name of a class (or an alias for
+ another name such as ALL_REGS). This is the class of registers
+ that is allowed by "g" or "r" in a register constraint.
+ Also, registers outside this class are allocated only when
+ instructions express preferences for them.
+
+ The classes must be numbered in nondecreasing order; that is,
+ a larger-numbered class must never be contained completely
+ in a smaller-numbered class.
+
+ For any two classes, it is very desirable that there be another
+ class that represents their union. */
+
+/* The SPARC has various kinds of registers: general, floating point,
+ and condition codes [well, it has others as well, but none that we
+ care directly about].
+
+ For v9 we must distinguish between the upper and lower floating point
+ registers because the upper ones can't hold SFmode values.
+ HARD_REGNO_MODE_OK won't help here because reload assumes that register(s)
+ satisfying a group need for a class will also satisfy a single need for
+ that class. EXTRA_FP_REGS is a bit of a misnomer as it covers all 64 fp
+ regs.
+
+ It is important that one class contains all the general and all the standard
+ fp regs. Otherwise find_reg() won't properly allocate int regs for moves,
+ because reg_class_record() will bias the selection in favor of fp regs,
+ because reg_class_subunion[GENERAL_REGS][FP_REGS] will yield FP_REGS,
+ because FP_REGS > GENERAL_REGS.
+
+ It is also important that one class contain all the general and all
+ the fp regs. Otherwise when spilling a DFmode reg, it may be from
+ EXTRA_FP_REGS but find_reloads() may use class
+ GENERAL_OR_FP_REGS. This will cause allocate_reload_reg() to die
+ because the compiler thinks it doesn't have a spill reg when in
+ fact it does.
+
+ v9 also has 4 floating point condition code registers. Since we don't
+ have a class that is the union of FPCC_REGS with either of the others,
+ it is important that it appear first. Otherwise the compiler will die
+ trying to compile _fixunsdfsi because fix_truncdfsi2 won't match its
+ constraints.
+
+ It is important that SPARC_ICC_REG have class NO_REGS. Otherwise combine
+ may try to use it to hold an SImode value. See register_operand.
+ ??? Should %fcc[0123] be handled similarly?
+*/
+
+enum reg_class { NO_REGS, FPCC_REGS, I64_REGS, GENERAL_REGS, FP_REGS,
+ EXTRA_FP_REGS, GENERAL_OR_FP_REGS, GENERAL_OR_EXTRA_FP_REGS,
+ ALL_REGS, LIM_REG_CLASSES };
+
+#define N_REG_CLASSES (int) LIM_REG_CLASSES
+
+/* Give names of register classes as strings for dump file. */
+
+#define REG_CLASS_NAMES \
+ { "NO_REGS", "FPCC_REGS", "I64_REGS", "GENERAL_REGS", "FP_REGS", \
+ "EXTRA_FP_REGS", "GENERAL_OR_FP_REGS", "GENERAL_OR_EXTRA_FP_REGS", \
+ "ALL_REGS" }
+
+/* Define which registers fit in which classes.
+ This is an initializer for a vector of HARD_REG_SET
+ of length N_REG_CLASSES. */
+
+#define REG_CLASS_CONTENTS \
+ {{0, 0, 0, 0}, /* NO_REGS */ \
+ {0, 0, 0, 0xf}, /* FPCC_REGS */ \
+ {0xffff, 0, 0, 0}, /* I64_REGS */ \
+ {-1, 0, 0, 0x20}, /* GENERAL_REGS */ \
+ {0, -1, 0, 0}, /* FP_REGS */ \
+ {0, -1, -1, 0}, /* EXTRA_FP_REGS */ \
+ {-1, -1, 0, 0x20}, /* GENERAL_OR_FP_REGS */ \
+ {-1, -1, -1, 0x20}, /* GENERAL_OR_EXTRA_FP_REGS */ \
+ {-1, -1, -1, 0x3f}} /* ALL_REGS */
+
+/* The same information, inverted:
+ Return the class number of the smallest class containing
+ reg number REGNO. This could be a conditional expression
+ or could index an array. */
+
+extern enum reg_class sparc_regno_reg_class[FIRST_PSEUDO_REGISTER];
+
+#define REGNO_REG_CLASS(REGNO) sparc_regno_reg_class[(REGNO)]
+
+/* The following macro defines cover classes for Integrated Register
+ Allocator. Cover classes is a set of non-intersected register
+ classes covering all hard registers used for register allocation
+ purpose. Any move between two registers of a cover class should be
+ cheaper than load or store of the registers. The macro value is
+ array of register classes with LIM_REG_CLASSES used as the end
+ marker. */
+
+#define IRA_COVER_CLASSES \
+{ \
+ GENERAL_REGS, EXTRA_FP_REGS, FPCC_REGS, LIM_REG_CLASSES \
+}
+
+/* Defines invalid mode changes. Borrowed from pa64-regs.h.
+
+ SImode loads to floating-point registers are not zero-extended.
+ The definition for LOAD_EXTEND_OP specifies that integer loads
+ narrower than BITS_PER_WORD will be zero-extended. As a result,
+ we inhibit changes from SImode unless they are to a mode that is
+ identical in size. */
+
+#define CANNOT_CHANGE_MODE_CLASS(FROM, TO, CLASS) \
+ (TARGET_ARCH64 \
+ && (FROM) == SImode \
+ && GET_MODE_SIZE (FROM) != GET_MODE_SIZE (TO) \
+ ? reg_classes_intersect_p (CLASS, FP_REGS) : 0)
+
+/* This is the order in which to allocate registers normally.
+
+ We put %f0-%f7 last among the float registers, so as to make it more
+ likely that a pseudo-register which dies in the float return register
+ area will get allocated to the float return register, thus saving a move
+ instruction at the end of the function.
+
+ Similarly for integer return value registers.
+
+ We know in this case that we will not end up with a leaf function.
+
+ The register allocator is given the global and out registers first
+ because these registers are call clobbered and thus less useful to
+ global register allocation.
+
+ Next we list the local and in registers. They are not call clobbered
+ and thus very useful for global register allocation. We list the input
+ registers before the locals so that it is more likely the incoming
+ arguments received in those registers can just stay there and not be
+ reloaded. */
+
+#define REG_ALLOC_ORDER \
+{ 1, 2, 3, 4, 5, 6, 7, /* %g1-%g7 */ \
+ 13, 12, 11, 10, 9, 8, /* %o5-%o0 */ \
+ 15, /* %o7 */ \
+ 16, 17, 18, 19, 20, 21, 22, 23, /* %l0-%l7 */ \
+ 29, 28, 27, 26, 25, 24, 31, /* %i5-%i0,%i7 */\
+ 40, 41, 42, 43, 44, 45, 46, 47, /* %f8-%f15 */ \
+ 48, 49, 50, 51, 52, 53, 54, 55, /* %f16-%f23 */ \
+ 56, 57, 58, 59, 60, 61, 62, 63, /* %f24-%f31 */ \
+ 64, 65, 66, 67, 68, 69, 70, 71, /* %f32-%f39 */ \
+ 72, 73, 74, 75, 76, 77, 78, 79, /* %f40-%f47 */ \
+ 80, 81, 82, 83, 84, 85, 86, 87, /* %f48-%f55 */ \
+ 88, 89, 90, 91, 92, 93, 94, 95, /* %f56-%f63 */ \
+ 39, 38, 37, 36, 35, 34, 33, 32, /* %f7-%f0 */ \
+ 96, 97, 98, 99, /* %fcc0-3 */ \
+ 100, 0, 14, 30, 101} /* %icc, %g0, %o6, %i6, %sfp */
+
+/* This is the order in which to allocate registers for
+ leaf functions. If all registers can fit in the global and
+ output registers, then we have the possibility of having a leaf
+ function.
+
+ The macro actually mentioned the input registers first,
+ because they get renumbered into the output registers once
+ we know really do have a leaf function.
+
+ To be more precise, this register allocation order is used
+ when %o7 is found to not be clobbered right before register
+ allocation. Normally, the reason %o7 would be clobbered is
+ due to a call which could not be transformed into a sibling
+ call.
+
+ As a consequence, it is possible to use the leaf register
+ allocation order and not end up with a leaf function. We will
+ not get suboptimal register allocation in that case because by
+ definition of being potentially leaf, there were no function
+ calls. Therefore, allocation order within the local register
+ window is not critical like it is when we do have function calls. */
+
+#define REG_LEAF_ALLOC_ORDER \
+{ 1, 2, 3, 4, 5, 6, 7, /* %g1-%g7 */ \
+ 29, 28, 27, 26, 25, 24, /* %i5-%i0 */ \
+ 15, /* %o7 */ \
+ 13, 12, 11, 10, 9, 8, /* %o5-%o0 */ \
+ 16, 17, 18, 19, 20, 21, 22, 23, /* %l0-%l7 */ \
+ 40, 41, 42, 43, 44, 45, 46, 47, /* %f8-%f15 */ \
+ 48, 49, 50, 51, 52, 53, 54, 55, /* %f16-%f23 */ \
+ 56, 57, 58, 59, 60, 61, 62, 63, /* %f24-%f31 */ \
+ 64, 65, 66, 67, 68, 69, 70, 71, /* %f32-%f39 */ \
+ 72, 73, 74, 75, 76, 77, 78, 79, /* %f40-%f47 */ \
+ 80, 81, 82, 83, 84, 85, 86, 87, /* %f48-%f55 */ \
+ 88, 89, 90, 91, 92, 93, 94, 95, /* %f56-%f63 */ \
+ 39, 38, 37, 36, 35, 34, 33, 32, /* %f7-%f0 */ \
+ 96, 97, 98, 99, /* %fcc0-3 */ \
+ 100, 0, 14, 30, 31, 101} /* %icc, %g0, %o6, %i6, %i7, %sfp */
+
+#define ADJUST_REG_ALLOC_ORDER order_regs_for_local_alloc ()
+
+extern char sparc_leaf_regs[];
+#define LEAF_REGISTERS sparc_leaf_regs
+
+extern char leaf_reg_remap[];
+#define LEAF_REG_REMAP(REGNO) (leaf_reg_remap[REGNO])
+
+/* The class value for index registers, and the one for base regs. */
+#define INDEX_REG_CLASS GENERAL_REGS
+#define BASE_REG_CLASS GENERAL_REGS
+
+/* Local macro to handle the two v9 classes of FP regs. */
+#define FP_REG_CLASS_P(CLASS) ((CLASS) == FP_REGS || (CLASS) == EXTRA_FP_REGS)
+
+/* Predicates for 10-bit, 11-bit and 13-bit signed constants. */
+#define SPARC_SIMM10_P(X) ((unsigned HOST_WIDE_INT) (X) + 0x200 < 0x400)
+#define SPARC_SIMM11_P(X) ((unsigned HOST_WIDE_INT) (X) + 0x400 < 0x800)
+#define SPARC_SIMM13_P(X) ((unsigned HOST_WIDE_INT) (X) + 0x1000 < 0x2000)
+
+/* 10- and 11-bit immediates are only used for a few specific insns.
+ SMALL_INT is used throughout the port so we continue to use it. */
+#define SMALL_INT(X) (SPARC_SIMM13_P (INTVAL (X)))
+
+/* Predicate for constants that can be loaded with a sethi instruction.
+ This is the general, 64-bit aware, bitwise version that ensures that
+ only constants whose representation fits in the mask
+
+ 0x00000000fffffc00
+
+ are accepted. It will reject, for example, negative SImode constants
+ on 64-bit hosts, so correct handling is to mask the value beforehand
+ according to the mode of the instruction. */
+#define SPARC_SETHI_P(X) \
+ (((unsigned HOST_WIDE_INT) (X) \
+ & ((unsigned HOST_WIDE_INT) 0x3ff - GET_MODE_MASK (SImode) - 1)) == 0)
+
+/* Version of the above predicate for SImode constants and below. */
+#define SPARC_SETHI32_P(X) \
+ (SPARC_SETHI_P ((unsigned HOST_WIDE_INT) (X) & GET_MODE_MASK (SImode)))
+
+/* 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. */
+/* - We can't load constants into FP registers.
+ - We can't load FP constants into integer registers when soft-float,
+ because there is no soft-float pattern with a r/F constraint.
+ - We can't load FP constants into integer registers for TFmode unless
+ it is 0.0L, because there is no movtf pattern with a r/F constraint.
+ - Try and reload integer constants (symbolic or otherwise) back into
+ registers directly, rather than having them dumped to memory. */
+
+#define PREFERRED_RELOAD_CLASS(X,CLASS) \
+ (CONSTANT_P (X) \
+ ? ((FP_REG_CLASS_P (CLASS) \
+ || (CLASS) == GENERAL_OR_FP_REGS \
+ || (CLASS) == GENERAL_OR_EXTRA_FP_REGS \
+ || (GET_MODE_CLASS (GET_MODE (X)) == MODE_FLOAT \
+ && ! TARGET_FPU) \
+ || (GET_MODE (X) == TFmode \
+ && ! const_zero_operand (X, TFmode))) \
+ ? NO_REGS \
+ : (!FP_REG_CLASS_P (CLASS) \
+ && GET_MODE_CLASS (GET_MODE (X)) == MODE_INT) \
+ ? GENERAL_REGS \
+ : (CLASS)) \
+ : (CLASS))
+
+/* Return the register class of a scratch register needed to load IN into
+ a register of class CLASS in MODE.
+
+ We need a temporary when loading/storing a HImode/QImode value
+ between memory and the FPU registers. This can happen when combine puts
+ a paradoxical subreg in a float/fix conversion insn.
+
+ We need a temporary when loading/storing a DFmode value between
+ unaligned memory and the upper FPU registers. */
+
+#define SECONDARY_INPUT_RELOAD_CLASS(CLASS, MODE, IN) \
+ ((FP_REG_CLASS_P (CLASS) \
+ && ((MODE) == HImode || (MODE) == QImode) \
+ && (GET_CODE (IN) == MEM \
+ || ((GET_CODE (IN) == REG || GET_CODE (IN) == SUBREG) \
+ && true_regnum (IN) == -1))) \
+ ? GENERAL_REGS \
+ : ((CLASS) == EXTRA_FP_REGS && (MODE) == DFmode \
+ && GET_CODE (IN) == MEM && TARGET_ARCH32 \
+ && ! mem_min_alignment ((IN), 8)) \
+ ? FP_REGS \
+ : (((TARGET_CM_MEDANY \
+ && symbolic_operand ((IN), (MODE))) \
+ || (TARGET_CM_EMBMEDANY \
+ && text_segment_operand ((IN), (MODE)))) \
+ && !flag_pic) \
+ ? GENERAL_REGS \
+ : NO_REGS)
+
+#define SECONDARY_OUTPUT_RELOAD_CLASS(CLASS, MODE, IN) \
+ ((FP_REG_CLASS_P (CLASS) \
+ && ((MODE) == HImode || (MODE) == QImode) \
+ && (GET_CODE (IN) == MEM \
+ || ((GET_CODE (IN) == REG || GET_CODE (IN) == SUBREG) \
+ && true_regnum (IN) == -1))) \
+ ? GENERAL_REGS \
+ : ((CLASS) == EXTRA_FP_REGS && (MODE) == DFmode \
+ && GET_CODE (IN) == MEM && TARGET_ARCH32 \
+ && ! mem_min_alignment ((IN), 8)) \
+ ? FP_REGS \
+ : (((TARGET_CM_MEDANY \
+ && symbolic_operand ((IN), (MODE))) \
+ || (TARGET_CM_EMBMEDANY \
+ && text_segment_operand ((IN), (MODE)))) \
+ && !flag_pic) \
+ ? GENERAL_REGS \
+ : NO_REGS)
+
+/* On SPARC it is not possible to directly move data between
+ GENERAL_REGS and FP_REGS. */
+#define SECONDARY_MEMORY_NEEDED(CLASS1, CLASS2, MODE) \
+ (FP_REG_CLASS_P (CLASS1) != FP_REG_CLASS_P (CLASS2))
+
+/* Get_secondary_mem widens its argument to BITS_PER_WORD which loses on v9
+ because the movsi and movsf patterns don't handle r/f moves.
+ For v8 we copy the default definition. */
+#define SECONDARY_MEMORY_NEEDED_MODE(MODE) \
+ (TARGET_ARCH64 \
+ ? (GET_MODE_BITSIZE (MODE) < 32 \
+ ? mode_for_size (32, GET_MODE_CLASS (MODE), 0) \
+ : MODE) \
+ : (GET_MODE_BITSIZE (MODE) < BITS_PER_WORD \
+ ? mode_for_size (BITS_PER_WORD, GET_MODE_CLASS (MODE), 0) \
+ : MODE))
+
+/* Return the maximum number of consecutive registers
+ needed to represent mode MODE in a register of class CLASS. */
+/* On SPARC, this is the size of MODE in words. */
+#define CLASS_MAX_NREGS(CLASS, MODE) \
+ (FP_REG_CLASS_P (CLASS) ? (GET_MODE_SIZE (MODE) + 3) / 4 \
+ : (GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
+
+/* Stack layout; function entry, exit and calling. */
+
+/* Define this if pushing a word on the stack
+ makes the stack pointer a smaller address. */
+#define STACK_GROWS_DOWNWARD
+
+/* Define this to nonzero if the nominal address of the stack frame
+ is at the high-address end of the local variables;
+ that is, each additional local variable allocated
+ goes at a more negative offset in the frame. */
+#define FRAME_GROWS_DOWNWARD 1
+
+/* Offset within stack frame to start allocating local variables at.
+ If FRAME_GROWS_DOWNWARD, this is the offset to the END of the
+ first local allocated. Otherwise, it is the offset to the BEGINNING
+ of the first local allocated. */
+#define STARTING_FRAME_OFFSET 0
+
+/* Offset of first parameter from the argument pointer register value.
+ !v9: This is 64 for the ins and locals, plus 4 for the struct-return reg
+ even if this function isn't going to use it.
+ v9: This is 128 for the ins and locals. */
+#define FIRST_PARM_OFFSET(FNDECL) \
+ (TARGET_ARCH64 ? 16 * UNITS_PER_WORD : STRUCT_VALUE_OFFSET + UNITS_PER_WORD)
+
+/* Offset from the argument pointer register value to the CFA.
+ This is different from FIRST_PARM_OFFSET because the register window
+ comes between the CFA and the arguments. */
+#define ARG_POINTER_CFA_OFFSET(FNDECL) 0
+
+/* When a parameter is passed in a register, stack space is still
+ allocated for it.
+ !v9: All 6 possible integer registers have backing store allocated.
+ v9: Only space for the arguments passed is allocated. */
+/* ??? Ideally, we'd use zero here (as the minimum), but zero has special
+ meaning to the backend. Further, we need to be able to detect if a
+ varargs/unprototyped function is called, as they may want to spill more
+ registers than we've provided space. Ugly, ugly. So for now we retain
+ all 6 slots even for v9. */
+#define REG_PARM_STACK_SPACE(DECL) (6 * UNITS_PER_WORD)
+
+/* Definitions for register elimination. */
+
+#define ELIMINABLE_REGS \
+ {{ FRAME_POINTER_REGNUM, STACK_POINTER_REGNUM}, \
+ { FRAME_POINTER_REGNUM, HARD_FRAME_POINTER_REGNUM} }
+
+/* We always pretend that this is a leaf function because if it's not,
+ there's no point in trying to eliminate the frame pointer. If it
+ is a leaf function, we guessed right! */
+#define INITIAL_ELIMINATION_OFFSET(FROM, TO, OFFSET) \
+ do { \
+ if ((TO) == STACK_POINTER_REGNUM) \
+ (OFFSET) = sparc_compute_frame_size (get_frame_size (), 1); \
+ else \
+ (OFFSET) = 0; \
+ (OFFSET) += SPARC_STACK_BIAS; \
+ } while (0)
+
+/* Keep the stack pointer constant throughout the function.
+ This is both an optimization and a necessity: longjmp
+ doesn't behave itself when the stack pointer moves within
+ the function! */
+#define ACCUMULATE_OUTGOING_ARGS 1
+
+/* Define this macro if the target machine has "register windows". This
+ C expression returns the register number as seen by the called function
+ corresponding to register number OUT as seen by the calling function.
+ Return OUT if register number OUT is not an outbound register. */
+
+#define INCOMING_REGNO(OUT) \
+ (((OUT) < 8 || (OUT) > 15) ? (OUT) : (OUT) + 16)
+
+/* Define this macro if the target machine has "register windows". This
+ C expression returns the register number as seen by the calling function
+ corresponding to register number IN as seen by the called function.
+ Return IN if register number IN is not an inbound register. */
+
+#define OUTGOING_REGNO(IN) \
+ (((IN) < 24 || (IN) > 31) ? (IN) : (IN) - 16)
+
+/* Define this macro if the target machine has register windows. This
+ C expression returns true if the register is call-saved but is in the
+ register window. */
+
+#define LOCAL_REGNO(REGNO) \
+ ((REGNO) >= 16 && (REGNO) <= 31)
+
+/* Define the size of space to allocate for the return value of an
+ untyped_call. */
+
+#define APPLY_RESULT_SIZE (TARGET_ARCH64 ? 24 : 16)
+
+/* 1 if N is a possible register number for function argument passing.
+ On SPARC, these are the "output" registers. v9 also uses %f0-%f31. */
+
+#define FUNCTION_ARG_REGNO_P(N) \
+(TARGET_ARCH64 \
+ ? (((N) >= 8 && (N) <= 13) || ((N) >= 32 && (N) <= 63)) \
+ : ((N) >= 8 && (N) <= 13))
+
+/* Define a data type for recording info about an argument list
+ during the scan of that argument list. This data type should
+ hold all necessary information about the function itself
+ and about the args processed so far, enough to enable macros
+ such as FUNCTION_ARG to determine where the next arg should go.
+
+ On SPARC (!v9), this is a single integer, which is a number of words
+ of arguments scanned so far (including the invisible argument,
+ if any, which holds the structure-value-address).
+ Thus 7 or more means all following args should go on the stack.
+
+ For v9, we also need to know whether a prototype is present. */
+
+struct sparc_args {
+ int words; /* number of words passed so far */
+ int prototype_p; /* nonzero if a prototype is present */
+ int libcall_p; /* nonzero if a library call */
+};
+#define CUMULATIVE_ARGS struct sparc_args
+
+/* Initialize a variable CUM of type CUMULATIVE_ARGS
+ for a call to a function whose data type is FNTYPE.
+ For a library call, FNTYPE is 0. */
+
+#define INIT_CUMULATIVE_ARGS(CUM, FNTYPE, LIBNAME, FNDECL, N_NAMED_ARGS) \
+init_cumulative_args (& (CUM), (FNTYPE), (LIBNAME), (FNDECL));
+
+/* If defined, a C expression which determines whether, and in which direction,
+ to pad out an argument with extra space. The value should be of type
+ `enum direction': either `upward' to pad above the argument,
+ `downward' to pad below, or `none' to inhibit padding. */
+
+#define FUNCTION_ARG_PADDING(MODE, TYPE) \
+function_arg_padding ((MODE), (TYPE))
+
+
+/* Generate the special assembly code needed to tell the assembler whatever
+ it might need to know about the return value of a function.
+
+ For SPARC assemblers, we need to output a .proc pseudo-op which conveys
+ information to the assembler relating to peephole optimization (done in
+ the assembler). */
+
+#define ASM_DECLARE_RESULT(FILE, RESULT) \
+ fprintf ((FILE), "\t.proc\t0%lo\n", sparc_type_code (TREE_TYPE (RESULT)))
+
+/* Output the special assembly code needed to tell the assembler some
+ register is used as global register variable.
+
+ SPARC 64bit psABI declares registers %g2 and %g3 as application
+ registers and %g6 and %g7 as OS registers. Any object using them
+ should declare (for %g2/%g3 has to, for %g6/%g7 can) that it uses them
+ and how they are used (scratch or some global variable).
+ Linker will then refuse to link together objects which use those
+ registers incompatibly.
+
+ Unless the registers are used for scratch, two different global
+ registers cannot be declared to the same name, so in the unlikely
+ case of a global register variable occupying more than one register
+ we prefix the second and following registers with .gnu.part1. etc. */
+
+extern GTY(()) char sparc_hard_reg_printed[8];
+
+#ifdef HAVE_AS_REGISTER_PSEUDO_OP
+#define ASM_DECLARE_REGISTER_GLOBAL(FILE, DECL, REGNO, NAME) \
+do { \
+ if (TARGET_ARCH64) \
+ { \
+ int end = HARD_REGNO_NREGS ((REGNO), DECL_MODE (decl)) + (REGNO); \
+ int reg; \
+ for (reg = (REGNO); reg < 8 && reg < end; reg++) \
+ if ((reg & ~1) == 2 || (reg & ~1) == 6) \
+ { \
+ if (reg == (REGNO)) \
+ fprintf ((FILE), "\t.register\t%%g%d, %s\n", reg, (NAME)); \
+ else \
+ fprintf ((FILE), "\t.register\t%%g%d, .gnu.part%d.%s\n", \
+ reg, reg - (REGNO), (NAME)); \
+ sparc_hard_reg_printed[reg] = 1; \
+ } \
+ } \
+} while (0)
+#endif
+
+
+/* Emit rtl for profiling. */
+#define PROFILE_HOOK(LABEL) sparc_profile_hook (LABEL)
+
+/* All the work done in PROFILE_HOOK, but still required. */
+#define FUNCTION_PROFILER(FILE, LABELNO) do { } while (0)
+
+/* Set the name of the mcount function for the system. */
+#define MCOUNT_FUNCTION "*mcount"
+
+/* EXIT_IGNORE_STACK should be nonzero if, when returning from a function,
+ the stack pointer does not matter. The value is tested only in
+ functions that have frame pointers.
+ No definition is equivalent to always zero. */
+
+#define EXIT_IGNORE_STACK \
+ (get_frame_size () != 0 \
+ || cfun->calls_alloca || crtl->outgoing_args_size)
+
+/* Define registers used by the epilogue and return instruction. */
+#define EPILOGUE_USES(REGNO) ((REGNO) == 31 \
+ || (crtl->calls_eh_return && (REGNO) == 1))
+
+/* Length in units of the trampoline for entering a nested function. */
+
+#define TRAMPOLINE_SIZE (TARGET_ARCH64 ? 32 : 16)
+
+#define TRAMPOLINE_ALIGNMENT 128 /* 16 bytes */
+
+/* Generate RTL to flush the register windows so as to make arbitrary frames
+ available. */
+#define SETUP_FRAME_ADDRESSES() \
+ emit_insn (gen_flush_register_windows ())
+
+/* Given an rtx for the address of a frame,
+ return an rtx for the address of the word in the frame
+ that holds the dynamic chain--the previous frame's address. */
+#define DYNAMIC_CHAIN_ADDRESS(frame) \
+ plus_constant (frame, 14 * UNITS_PER_WORD + SPARC_STACK_BIAS)
+
+/* Given an rtx for the frame pointer,
+ return an rtx for the address of the frame. */
+#define FRAME_ADDR_RTX(frame) plus_constant (frame, SPARC_STACK_BIAS)
+
+/* The return address isn't on the stack, it is in a register, so we can't
+ access it from the current frame pointer. We can access it from the
+ previous frame pointer though by reading a value from the register window
+ save area. */
+#define RETURN_ADDR_IN_PREVIOUS_FRAME
+
+/* This is the offset of the return address to the true next instruction to be
+ executed for the current function. */
+#define RETURN_ADDR_OFFSET \
+ (8 + 4 * (! TARGET_ARCH64 && cfun->returns_struct))
+
+/* The current return address is in %i7. The return address of anything
+ farther back is in the register window save area at [%fp+60]. */
+/* ??? This ignores the fact that the actual return address is +8 for normal
+ returns, and +12 for structure returns. */
+#define RETURN_ADDR_RTX(count, frame) \
+ ((count == -1) \
+ ? gen_rtx_REG (Pmode, 31) \
+ : gen_rtx_MEM (Pmode, \
+ memory_address (Pmode, plus_constant (frame, \
+ 15 * UNITS_PER_WORD \
+ + SPARC_STACK_BIAS))))
+
+/* Before the prologue, the return address is %o7 + 8. OK, sometimes it's
+ +12, but always using +8 is close enough for frame unwind purposes.
+ Actually, just using %o7 is close enough for unwinding, but %o7+8
+ is something you can return to. */
+#define INCOMING_RETURN_ADDR_RTX \
+ plus_constant (gen_rtx_REG (word_mode, 15), 8)
+#define DWARF_FRAME_RETURN_COLUMN DWARF_FRAME_REGNUM (15)
+
+/* The offset from the incoming value of %sp to the top of the stack frame
+ for the current function. On sparc64, we have to account for the stack
+ bias if present. */
+#define INCOMING_FRAME_SP_OFFSET SPARC_STACK_BIAS
+
+/* Describe how we implement __builtin_eh_return. */
+#define EH_RETURN_DATA_REGNO(N) ((N) < 4 ? (N) + 24 : INVALID_REGNUM)
+#define EH_RETURN_STACKADJ_RTX gen_rtx_REG (Pmode, 1) /* %g1 */
+#define EH_RETURN_HANDLER_RTX gen_rtx_REG (Pmode, 31) /* %i7 */
+
+/* Select a format to encode pointers in exception handling data. CODE
+ is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
+ true if the symbol may be affected by dynamic relocations.
+
+ If assembler and linker properly support .uaword %r_disp32(foo),
+ then use PC relative 32-bit relocations instead of absolute relocs
+ for shared libraries. On sparc64, use pc relative 32-bit relocs even
+ for binaries, to save memory.
+
+ binutils 2.12 would emit a R_SPARC_DISP32 dynamic relocation if the
+ symbol %r_disp32() is against was not local, but .hidden. In that
+ case, we have to use DW_EH_PE_absptr for pic personality. */
+#ifdef HAVE_AS_SPARC_UA_PCREL
+#ifdef HAVE_AS_SPARC_UA_PCREL_HIDDEN
+#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
+ (flag_pic \
+ ? (GLOBAL ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4\
+ : ((TARGET_ARCH64 && ! GLOBAL) \
+ ? (DW_EH_PE_pcrel | DW_EH_PE_sdata4) \
+ : DW_EH_PE_absptr))
+#else
+#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
+ (flag_pic \
+ ? (GLOBAL ? DW_EH_PE_absptr : (DW_EH_PE_pcrel | DW_EH_PE_sdata4)) \
+ : ((TARGET_ARCH64 && ! GLOBAL) \
+ ? (DW_EH_PE_pcrel | DW_EH_PE_sdata4) \
+ : DW_EH_PE_absptr))
+#endif
+
+/* Emit a PC-relative relocation. */
+#define ASM_OUTPUT_DWARF_PCREL(FILE, SIZE, LABEL) \
+ do { \
+ fputs (integer_asm_op (SIZE, FALSE), FILE); \
+ fprintf (FILE, "%%r_disp%d(", SIZE * 8); \
+ assemble_name (FILE, LABEL); \
+ fputc (')', FILE); \
+ } while (0)
+#endif
+
+/* Addressing modes, and classification of registers for them. */
+
+/* Macros to check register numbers against specific register classes. */
+
+/* These assume that REGNO is a hard or pseudo reg number.
+ They give nonzero only if REGNO is a hard reg of the suitable class
+ or a pseudo reg currently allocated to a suitable hard reg.
+ Since they use reg_renumber, they are safe only once reg_renumber
+ has been allocated, which happens in local-alloc.c. */
+
+#define REGNO_OK_FOR_INDEX_P(REGNO) \
+((REGNO) < 32 || (unsigned) reg_renumber[REGNO] < (unsigned)32 \
+ || (REGNO) == FRAME_POINTER_REGNUM \
+ || reg_renumber[REGNO] == FRAME_POINTER_REGNUM)
+
+#define REGNO_OK_FOR_BASE_P(REGNO) REGNO_OK_FOR_INDEX_P (REGNO)
+
+#define REGNO_OK_FOR_FP_P(REGNO) \
+ (((unsigned) (REGNO) - 32 < (TARGET_V9 ? (unsigned)64 : (unsigned)32)) \
+ || ((unsigned) reg_renumber[REGNO] - 32 < (TARGET_V9 ? (unsigned)64 : (unsigned)32)))
+#define REGNO_OK_FOR_CCFP_P(REGNO) \
+ (TARGET_V9 \
+ && (((unsigned) (REGNO) - 96 < (unsigned)4) \
+ || ((unsigned) reg_renumber[REGNO] - 96 < (unsigned)4)))
+
+/* Now macros that check whether X is a register and also,
+ strictly, whether it is in a specified class.
+
+ These macros are specific to the SPARC, and may be used only
+ in code for printing assembler insns and in conditions for
+ define_optimization. */
+
+/* 1 if X is an fp register. */
+
+#define FP_REG_P(X) (REG_P (X) && REGNO_OK_FOR_FP_P (REGNO (X)))
+
+/* Is X, a REG, an in or global register? i.e. is regno 0..7 or 24..31 */
+#define IN_OR_GLOBAL_P(X) (REGNO (X) < 8 || (REGNO (X) >= 24 && REGNO (X) <= 31))
+
+/* Maximum number of registers that can appear in a valid memory address. */
+
+#define MAX_REGS_PER_ADDRESS 2
+
+/* Recognize any constant value that is a valid address.
+ When PIC, we do not accept an address that would require a scratch reg
+ to load into a register. */
+
+#define CONSTANT_ADDRESS_P(X) constant_address_p (X)
+
+/* Define this, so that when PIC, reload won't try to reload invalid
+ addresses which require two reload registers. */
+
+#define LEGITIMATE_PIC_OPERAND_P(X) legitimate_pic_operand_p (X)
+
+/* Nonzero if the constant value X is a legitimate general operand.
+ Anything can be made to work except floating point constants.
+ If TARGET_VIS, 0.0 can be made to work as well. */
+
+#define LEGITIMATE_CONSTANT_P(X) legitimate_constant_p (X)
+
+/* The macros REG_OK_FOR..._P assume that the arg is a REG rtx
+ and check its validity for a certain class.
+ We have two alternate definitions for each of them.
+ The usual definition accepts all pseudo regs; the other rejects
+ them unless they have been allocated suitable hard regs.
+ The symbol REG_OK_STRICT causes the latter definition to be used.
+
+ Most source files want to accept pseudo regs in the hope that
+ they will get allocated to the class that the insn wants them to be in.
+ Source files for reload pass need to be strict.
+ After reload, it makes no difference, since pseudo regs have
+ been eliminated by then. */
+
+#ifndef REG_OK_STRICT
+
+/* Nonzero if X is a hard reg that can be used as an index
+ or if it is a pseudo reg. */
+#define REG_OK_FOR_INDEX_P(X) \
+ (REGNO (X) < 32 \
+ || REGNO (X) == FRAME_POINTER_REGNUM \
+ || REGNO (X) >= FIRST_PSEUDO_REGISTER)
+
+/* Nonzero if X is a hard reg that can be used as a base reg
+ or if it is a pseudo reg. */
+#define REG_OK_FOR_BASE_P(X) REG_OK_FOR_INDEX_P (X)
+
+#else
+
+/* Nonzero if X is a hard reg that can be used as an index. */
+#define REG_OK_FOR_INDEX_P(X) REGNO_OK_FOR_INDEX_P (REGNO (X))
+/* Nonzero if X is a hard reg that can be used as a base reg. */
+#define REG_OK_FOR_BASE_P(X) REGNO_OK_FOR_BASE_P (REGNO (X))
+
+#endif
+
+/* Should gcc use [%reg+%lo(xx)+offset] addresses? */
+
+#ifdef HAVE_AS_OFFSETABLE_LO10
+#define USE_AS_OFFSETABLE_LO10 1
+#else
+#define USE_AS_OFFSETABLE_LO10 0
+#endif
+
+/* On SPARC, the actual legitimate addresses must be REG+REG or REG+SMALLINT
+ ordinarily. This changes a bit when generating PIC. The details are
+ in sparc.c's implementation of TARGET_LEGITIMATE_ADDRESS_P. */
+
+#define SYMBOLIC_CONST(X) symbolic_operand (X, VOIDmode)
+
+#define RTX_OK_FOR_BASE_P(X) \
+ ((GET_CODE (X) == REG && REG_OK_FOR_BASE_P (X)) \
+ || (GET_CODE (X) == SUBREG \
+ && GET_CODE (SUBREG_REG (X)) == REG \
+ && REG_OK_FOR_BASE_P (SUBREG_REG (X))))
+
+#define RTX_OK_FOR_INDEX_P(X) \
+ ((GET_CODE (X) == REG && REG_OK_FOR_INDEX_P (X)) \
+ || (GET_CODE (X) == SUBREG \
+ && GET_CODE (SUBREG_REG (X)) == REG \
+ && REG_OK_FOR_INDEX_P (SUBREG_REG (X))))
+
+#define RTX_OK_FOR_OFFSET_P(X) \
+ (GET_CODE (X) == CONST_INT && INTVAL (X) >= -0x1000 && INTVAL (X) < 0x1000 - 8)
+
+#define RTX_OK_FOR_OLO10_P(X) \
+ (GET_CODE (X) == CONST_INT && INTVAL (X) >= -0x1000 && INTVAL (X) < 0xc00 - 8)
+
+
+/* Try a machine-dependent way of reloading an illegitimate address
+ operand. If we find one, push the reload and jump to WIN. This
+ macro is used in only one place: `find_reloads_address' in reload.c. */
+#define LEGITIMIZE_RELOAD_ADDRESS(X,MODE,OPNUM,TYPE,IND_LEVELS,WIN) \
+do { \
+ int win; \
+ (X) = sparc_legitimize_reload_address ((X), (MODE), (OPNUM), \
+ (int)(TYPE), (IND_LEVELS), &win); \
+ if (win) \
+ goto WIN; \
+} while (0)
+
+/* Specify the machine mode that this machine uses
+ for the index in the tablejump instruction. */
+/* If we ever implement any of the full models (such as CM_FULLANY),
+ this has to be DImode in that case */
+#ifdef HAVE_GAS_SUBSECTION_ORDERING
+#define CASE_VECTOR_MODE \
+(! TARGET_PTR64 ? SImode : flag_pic ? SImode : TARGET_CM_MEDLOW ? SImode : DImode)
+#else
+/* If assembler does not have working .subsection -1, we use DImode for pic, as otherwise
+ we have to sign extend which slows things down. */
+#define CASE_VECTOR_MODE \
+(! TARGET_PTR64 ? SImode : flag_pic ? DImode : TARGET_CM_MEDLOW ? SImode : DImode)
+#endif
+
+/* Define this as 1 if `char' should by default be signed; else as 0. */
+#define DEFAULT_SIGNED_CHAR 1
+
+/* Max number of bytes we can move from memory to memory
+ in one reasonably fast instruction. */
+#define MOVE_MAX 8
+
+/* If a memory-to-memory move would take MOVE_RATIO or more simple
+ move-instruction pairs, we will do a movmem or libcall instead. */
+
+#define MOVE_RATIO(speed) ((speed) ? 8 : 3)
+
+/* Define if operations between registers always perform the operation
+ on the full register even if a narrower mode is specified. */
+#define WORD_REGISTER_OPERATIONS
+
+/* Define if loading in MODE, an integral mode narrower than BITS_PER_WORD
+ will either zero-extend or sign-extend. The value of this macro should
+ be the code that says which one of the two operations is implicitly
+ done, UNKNOWN if none. */
+#define LOAD_EXTEND_OP(MODE) ZERO_EXTEND
+
+/* Nonzero if access to memory by bytes is slow and undesirable.
+ For RISC chips, it means that access to memory by bytes is no
+ better than access by words when possible, so grab a whole word
+ and maybe make use of that. */
+#define SLOW_BYTE_ACCESS 1
+
+/* Define this to be nonzero if shift instructions ignore all but the low-order
+ few bits. */
+#define SHIFT_COUNT_TRUNCATED 1
+
+/* Value is 1 if truncating an integer of INPREC bits to OUTPREC bits
+ is done just by pretending it is already truncated. */
+#define TRULY_NOOP_TRUNCATION(OUTPREC, INPREC) 1
+
+/* Given a comparison code (EQ, NE, etc.) and the first operand of a COMPARE,
+ return the mode to be used for the comparison. For floating-point,
+ CCFP[E]mode is used. CC_NOOVmode should be used when the first operand
+ is a PLUS, MINUS, NEG, or ASHIFT. CCmode should be used when no special
+ processing is needed. */
+#define SELECT_CC_MODE(OP,X,Y) select_cc_mode ((OP), (X), (Y))
+
+/* Return nonzero if MODE implies a floating point inequality can be
+ reversed. For SPARC this is always true because we have a full
+ compliment of ordered and unordered comparisons, but until generic
+ code knows how to reverse it correctly we keep the old definition. */
+#define REVERSIBLE_CC_MODE(MODE) ((MODE) != CCFPEmode && (MODE) != CCFPmode)
+
+/* A function address in a call instruction for indexing purposes. */
+#define FUNCTION_MODE Pmode
+
+/* Define this if addresses of constant functions
+ shouldn't be put through pseudo regs where they can be cse'd.
+ Desirable on machines where ordinary constants are expensive
+ but a CALL with constant address is cheap. */
+#define NO_FUNCTION_CSE
+
+/* alloca should avoid clobbering the old register save area. */
+#define SETJMP_VIA_SAVE_AREA
+
+/* The _Q_* comparison libcalls return booleans. */
+#define FLOAT_LIB_COMPARE_RETURNS_BOOL(MODE, COMPARISON) ((MODE) == TFmode)
+
+/* Assume by default that the _Qp_* 64-bit libcalls are implemented such
+ that the inputs are fully consumed before the output memory is clobbered. */
+
+#define TARGET_BUGGY_QP_LIB 0
+
+/* Assume by default that we do not have the Solaris-specific conversion
+ routines nor 64-bit integer multiply and divide routines. */
+
+#define SUN_CONVERSION_LIBFUNCS 0
+#define DITF_CONVERSION_LIBFUNCS 0
+#define SUN_INTEGER_MULTIPLY_64 0
+
+/* Compute extra cost of moving data between one register class
+ and another. */
+#define GENERAL_OR_I64(C) ((C) == GENERAL_REGS || (C) == I64_REGS)
+#define REGISTER_MOVE_COST(MODE, CLASS1, CLASS2) \
+ (((FP_REG_CLASS_P (CLASS1) && GENERAL_OR_I64 (CLASS2)) \
+ || (GENERAL_OR_I64 (CLASS1) && FP_REG_CLASS_P (CLASS2)) \
+ || (CLASS1) == FPCC_REGS || (CLASS2) == FPCC_REGS) \
+ ? ((sparc_cpu == PROCESSOR_ULTRASPARC \
+ || sparc_cpu == PROCESSOR_ULTRASPARC3 \
+ || sparc_cpu == PROCESSOR_NIAGARA \
+ || sparc_cpu == PROCESSOR_NIAGARA2) ? 12 : 6) : 2)
+
+/* Provide the cost of a branch. For pre-v9 processors we use
+ a value of 3 to take into account the potential annulling of
+ the delay slot (which ends up being a bubble in the pipeline slot)
+ plus a cycle to take into consideration the instruction cache
+ effects.
+
+ On v9 and later, which have branch prediction facilities, we set
+ it to the depth of the pipeline as that is the cost of a
+ mispredicted branch.
+
+ On Niagara, normal branches insert 3 bubbles into the pipe
+ and annulled branches insert 4 bubbles.
+
+ On Niagara-2, a not-taken branch costs 1 cycle whereas a taken
+ branch costs 6 cycles. */
+
+#define BRANCH_COST(speed_p, predictable_p) \
+ ((sparc_cpu == PROCESSOR_V9 \
+ || sparc_cpu == PROCESSOR_ULTRASPARC) \
+ ? 7 \
+ : (sparc_cpu == PROCESSOR_ULTRASPARC3 \
+ ? 9 \
+ : (sparc_cpu == PROCESSOR_NIAGARA \
+ ? 4 \
+ : (sparc_cpu == PROCESSOR_NIAGARA2 \
+ ? 5 \
+ : 3))))
+
+/* Control the assembler format that we output. */
+
+/* A C string constant describing how to begin a comment in the target
+ assembler language. The compiler assumes that the comment will end at
+ the end of the line. */
+
+#define ASM_COMMENT_START "!"
+
+/* Output to assembler file text saying following lines
+ may contain character constants, extra white space, comments, etc. */
+
+#define ASM_APP_ON ""
+
+/* Output to assembler file text saying following lines
+ no longer contain unusual constructs. */
+
+#define ASM_APP_OFF ""
+
+/* How to refer to registers in assembler output.
+ This sequence is indexed by compiler's hard-register-number (see above). */
+
+#define REGISTER_NAMES \
+{"%g0", "%g1", "%g2", "%g3", "%g4", "%g5", "%g6", "%g7", \
+ "%o0", "%o1", "%o2", "%o3", "%o4", "%o5", "%sp", "%o7", \
+ "%l0", "%l1", "%l2", "%l3", "%l4", "%l5", "%l6", "%l7", \
+ "%i0", "%i1", "%i2", "%i3", "%i4", "%i5", "%fp", "%i7", \
+ "%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", \
+ "%f32", "%f33", "%f34", "%f35", "%f36", "%f37", "%f38", "%f39", \
+ "%f40", "%f41", "%f42", "%f43", "%f44", "%f45", "%f46", "%f47", \
+ "%f48", "%f49", "%f50", "%f51", "%f52", "%f53", "%f54", "%f55", \
+ "%f56", "%f57", "%f58", "%f59", "%f60", "%f61", "%f62", "%f63", \
+ "%fcc0", "%fcc1", "%fcc2", "%fcc3", "%icc", "%sfp" }
+
+/* Define additional names for use in asm clobbers and asm declarations. */
+
+#define ADDITIONAL_REGISTER_NAMES \
+{{"ccr", SPARC_ICC_REG}, {"cc", SPARC_ICC_REG}}
+
+/* On Sun 4, this limit is 2048. We use 1000 to be safe, since the length
+ can run past this up to a continuation point. Once we used 1500, but
+ a single entry in C++ can run more than 500 bytes, due to the length of
+ mangled symbol names. dbxout.c should really be fixed to do
+ continuations when they are actually needed instead of trying to
+ guess... */
+#define DBX_CONTIN_LENGTH 1000
+
+/* This is how to output a command to make the user-level label named NAME
+ defined for reference from other files. */
+
+/* Globalizing directive for a label. */
+#define GLOBAL_ASM_OP "\t.global "
+
+/* The prefix to add to user-visible assembler symbols. */
+
+#define USER_LABEL_PREFIX "_"
+
+/* This is how to store into the string LABEL
+ the symbol_ref name of an internal numbered label where
+ PREFIX is the class of label and NUM is the number within the class.
+ This is suitable for output with `assemble_name'. */
+
+#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \
+ sprintf ((LABEL), "*%s%ld", (PREFIX), (long)(NUM))
+
+/* This is how we hook in and defer the case-vector until the end of
+ the function. */
+#define ASM_OUTPUT_ADDR_VEC(LAB,VEC) \
+ sparc_defer_case_vector ((LAB),(VEC), 0)
+
+#define ASM_OUTPUT_ADDR_DIFF_VEC(LAB,VEC) \
+ sparc_defer_case_vector ((LAB),(VEC), 1)
+
+/* This is how to output an element of a case-vector that is absolute. */
+
+#define ASM_OUTPUT_ADDR_VEC_ELT(FILE, VALUE) \
+do { \
+ char label[30]; \
+ ASM_GENERATE_INTERNAL_LABEL (label, "L", VALUE); \
+ if (CASE_VECTOR_MODE == SImode) \
+ fprintf (FILE, "\t.word\t"); \
+ else \
+ fprintf (FILE, "\t.xword\t"); \
+ assemble_name (FILE, label); \
+ fputc ('\n', FILE); \
+} while (0)
+
+/* This is how to output an element of a case-vector that is relative.
+ (SPARC uses such vectors only when generating PIC.) */
+
+#define ASM_OUTPUT_ADDR_DIFF_ELT(FILE, BODY, VALUE, REL) \
+do { \
+ char label[30]; \
+ ASM_GENERATE_INTERNAL_LABEL (label, "L", (VALUE)); \
+ if (CASE_VECTOR_MODE == SImode) \
+ fprintf (FILE, "\t.word\t"); \
+ else \
+ fprintf (FILE, "\t.xword\t"); \
+ assemble_name (FILE, label); \
+ ASM_GENERATE_INTERNAL_LABEL (label, "L", (REL)); \
+ fputc ('-', FILE); \
+ assemble_name (FILE, label); \
+ fputc ('\n', FILE); \
+} while (0)
+
+/* This is what to output before and after case-vector (both
+ relative and absolute). If .subsection -1 works, we put case-vectors
+ at the beginning of the current section. */
+
+#ifdef HAVE_GAS_SUBSECTION_ORDERING
+
+#define ASM_OUTPUT_ADDR_VEC_START(FILE) \
+ fprintf(FILE, "\t.subsection\t-1\n")
+
+#define ASM_OUTPUT_ADDR_VEC_END(FILE) \
+ fprintf(FILE, "\t.previous\n")
+
+#endif
+
+/* This is how to output an assembler line
+ that says to advance the location counter
+ to a multiple of 2**LOG bytes. */
+
+#define ASM_OUTPUT_ALIGN(FILE,LOG) \
+ if ((LOG) != 0) \
+ fprintf (FILE, "\t.align %d\n", (1<<(LOG)))
+
+#define ASM_OUTPUT_SKIP(FILE,SIZE) \
+ fprintf (FILE, "\t.skip "HOST_WIDE_INT_PRINT_UNSIGNED"\n", (SIZE))
+
+/* This says how to output an assembler line
+ to define a global common symbol. */
+
+#define ASM_OUTPUT_COMMON(FILE, NAME, SIZE, ROUNDED) \
+( fputs ("\t.common ", (FILE)), \
+ assemble_name ((FILE), (NAME)), \
+ fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",\"bss\"\n", (SIZE)))
+
+/* This says how to output an assembler line to define a local common
+ symbol. */
+
+#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGNED) \
+( fputs ("\t.reserve ", (FILE)), \
+ assemble_name ((FILE), (NAME)), \
+ fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",\"bss\",%u\n", \
+ (SIZE), ((ALIGNED) / BITS_PER_UNIT)))
+
+/* A C statement (sans semicolon) to output to the stdio stream
+ FILE the assembler definition of uninitialized global DECL named
+ NAME whose size is SIZE bytes and alignment is ALIGN bytes.
+ Try to use asm_output_aligned_bss to implement this macro. */
+
+#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
+ do { \
+ ASM_OUTPUT_ALIGNED_LOCAL (FILE, NAME, SIZE, ALIGN); \
+ } while (0)
+
+#define IDENT_ASM_OP "\t.ident\t"
+
+/* Output #ident as a .ident. */
+
+#define ASM_OUTPUT_IDENT(FILE, NAME) \
+ fprintf (FILE, "%s\"%s\"\n", IDENT_ASM_OP, NAME);
+
+/* Prettify the assembly. */
+
+extern int sparc_indent_opcode;
+
+#define ASM_OUTPUT_OPCODE(FILE, PTR) \
+ do { \
+ if (sparc_indent_opcode) \
+ { \
+ putc (' ', FILE); \
+ sparc_indent_opcode = 0; \
+ } \
+ } while (0)
+
+#define PRINT_OPERAND_PUNCT_VALID_P(CHAR) \
+ ((CHAR) == '#' || (CHAR) == '*' || (CHAR) == '(' \
+ || (CHAR) == ')' || (CHAR) == '_' || (CHAR) == '&')
+
+/* Print operand X (an rtx) in assembler syntax to file FILE.
+ CODE is a letter or dot (`z' in `%z0') or 0 if no letter was specified.
+ For `%' followed by punctuation, CODE is the punctuation and X is null. */
+
+#define PRINT_OPERAND(FILE, X, CODE) print_operand (FILE, X, CODE)
+
+/* Print a memory address as an operand to reference that memory location. */
+
+#define PRINT_OPERAND_ADDRESS(FILE, ADDR) \
+{ register rtx base, index = 0; \
+ int offset = 0; \
+ register rtx addr = ADDR; \
+ if (GET_CODE (addr) == REG) \
+ fputs (reg_names[REGNO (addr)], FILE); \
+ else if (GET_CODE (addr) == PLUS) \
+ { \
+ if (GET_CODE (XEXP (addr, 0)) == CONST_INT) \
+ offset = INTVAL (XEXP (addr, 0)), base = XEXP (addr, 1);\
+ else if (GET_CODE (XEXP (addr, 1)) == CONST_INT) \
+ offset = INTVAL (XEXP (addr, 1)), base = XEXP (addr, 0);\
+ else \
+ base = XEXP (addr, 0), index = XEXP (addr, 1); \
+ if (GET_CODE (base) == LO_SUM) \
+ { \
+ gcc_assert (USE_AS_OFFSETABLE_LO10 \
+ && TARGET_ARCH64 \
+ && ! TARGET_CM_MEDMID); \
+ output_operand (XEXP (base, 0), 0); \
+ fputs ("+%lo(", FILE); \
+ output_address (XEXP (base, 1)); \
+ fprintf (FILE, ")+%d", offset); \
+ } \
+ else \
+ { \
+ fputs (reg_names[REGNO (base)], FILE); \
+ if (index == 0) \
+ fprintf (FILE, "%+d", offset); \
+ else if (GET_CODE (index) == REG) \
+ fprintf (FILE, "+%s", reg_names[REGNO (index)]); \
+ else if (GET_CODE (index) == SYMBOL_REF \
+ || GET_CODE (index) == LABEL_REF \
+ || GET_CODE (index) == CONST) \
+ fputc ('+', FILE), output_addr_const (FILE, index); \
+ else gcc_unreachable (); \
+ } \
+ } \
+ else if (GET_CODE (addr) == MINUS \
+ && GET_CODE (XEXP (addr, 1)) == LABEL_REF) \
+ { \
+ output_addr_const (FILE, XEXP (addr, 0)); \
+ fputs ("-(", FILE); \
+ output_addr_const (FILE, XEXP (addr, 1)); \
+ fputs ("-.)", FILE); \
+ } \
+ else if (GET_CODE (addr) == LO_SUM) \
+ { \
+ output_operand (XEXP (addr, 0), 0); \
+ if (TARGET_CM_MEDMID) \
+ fputs ("+%l44(", FILE); \
+ else \
+ fputs ("+%lo(", FILE); \
+ output_address (XEXP (addr, 1)); \
+ fputc (')', FILE); \
+ } \
+ else if (flag_pic && GET_CODE (addr) == CONST \
+ && GET_CODE (XEXP (addr, 0)) == MINUS \
+ && GET_CODE (XEXP (XEXP (addr, 0), 1)) == CONST \
+ && GET_CODE (XEXP (XEXP (XEXP (addr, 0), 1), 0)) == MINUS \
+ && XEXP (XEXP (XEXP (XEXP (addr, 0), 1), 0), 1) == pc_rtx) \
+ { \
+ addr = XEXP (addr, 0); \
+ output_addr_const (FILE, XEXP (addr, 0)); \
+ /* Group the args of the second CONST in parenthesis. */ \
+ fputs ("-(", FILE); \
+ /* Skip past the second CONST--it does nothing for us. */\
+ output_addr_const (FILE, XEXP (XEXP (addr, 1), 0)); \
+ /* Close the parenthesis. */ \
+ fputc (')', FILE); \
+ } \
+ else \
+ { \
+ output_addr_const (FILE, addr); \
+ } \
+}
+
+/* TLS support defaulting to original Sun flavor. GNU extensions
+ must be activated in separate configuration files. */
+#ifdef HAVE_AS_TLS
+#define TARGET_TLS 1
+#else
+#define TARGET_TLS 0
+#endif
+
+#define TARGET_SUN_TLS TARGET_TLS
+#define TARGET_GNU_TLS 0
+
+/* The number of Pmode words for the setjmp buffer. */
+#define JMP_BUF_SIZE 12
+
+/* We use gcc _mcount for profiling. */
+#define NO_PROFILE_COUNTERS 0