/* Definitions of target machine for GCC, for bi-arch SPARC
   running Solaris 2 using the system assembler and linker.
   Copyright (C) 2002, 2003, 2004, 2006, 2007, 2009, 2010, 2011, 2012
   Free Software Foundation, Inc.

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.

Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.

You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
<http://www.gnu.org/licenses/>.  */

/* The default code model used to be CM_MEDANY on Solaris
   but even Sun eventually found it to be quite wasteful
   and changed it to CM_MEDMID in the Studio 9 compiler.  */
#undef SPARC_DEFAULT_CMODEL
#define SPARC_DEFAULT_CMODEL CM_MEDMID

#define AS_SPARC64_FLAG	"-xarch=v9"

#undef ASM_CPU32_DEFAULT_SPEC
#define ASM_CPU32_DEFAULT_SPEC	""
#undef ASM_CPU64_DEFAULT_SPEC
#define ASM_CPU64_DEFAULT_SPEC	AS_SPARC64_FLAG

#if TARGET_CPU_DEFAULT == TARGET_CPU_v9
#undef CPP_CPU64_DEFAULT_SPEC
#define CPP_CPU64_DEFAULT_SPEC ""
#undef ASM_CPU32_DEFAULT_SPEC
#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plus"
#endif

#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc
#undef CPP_CPU64_DEFAULT_SPEC
#define CPP_CPU64_DEFAULT_SPEC ""
#undef ASM_CPU32_DEFAULT_SPEC
#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plusa"
#undef ASM_CPU64_DEFAULT_SPEC
#define ASM_CPU64_DEFAULT_SPEC AS_SPARC64_FLAG "a"
#endif

#if TARGET_CPU_DEFAULT == TARGET_CPU_ultrasparc3
#undef CPP_CPU64_DEFAULT_SPEC
#define CPP_CPU64_DEFAULT_SPEC ""
#undef ASM_CPU32_DEFAULT_SPEC
#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plusb"
#undef ASM_CPU64_DEFAULT_SPEC
#define ASM_CPU64_DEFAULT_SPEC AS_SPARC64_FLAG "b"
#endif

#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara
#undef CPP_CPU64_DEFAULT_SPEC
#define CPP_CPU64_DEFAULT_SPEC ""
#undef ASM_CPU32_DEFAULT_SPEC
#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plusb"
#undef ASM_CPU64_DEFAULT_SPEC
#define ASM_CPU64_DEFAULT_SPEC AS_SPARC64_FLAG "b"
#endif

#if TARGET_CPU_DEFAULT == TARGET_CPU_niagara2
#undef CPP_CPU64_DEFAULT_SPEC
#define CPP_CPU64_DEFAULT_SPEC ""
#undef ASM_CPU32_DEFAULT_SPEC
#define ASM_CPU32_DEFAULT_SPEC "-xarch=v8plusb"
#undef ASM_CPU64_DEFAULT_SPEC
#define ASM_CPU64_DEFAULT_SPEC AS_SPARC64_FLAG "b"
#endif

#if DEFAULT_ARCH32_P
#define DEF_ARCH32_SPEC(__str) "%{!m64:" __str "}"
#define DEF_ARCH64_SPEC(__str) "%{m64:" __str "}"
#else
#define DEF_ARCH32_SPEC(__str) "%{m32:" __str "}"
#define DEF_ARCH64_SPEC(__str) "%{!m32:" __str "}"
#endif

#undef CPP_CPU_SPEC
#define CPP_CPU_SPEC "\
%{mcpu=sparclet|mcpu=tsc701:-D__sparclet__} \
%{mcpu=sparclite|mcpu-f930|mcpu=f934:-D__sparclite__} \
%{mcpu=v8:" DEF_ARCH32_SPEC("-D__sparcv8") "} \
%{mcpu=supersparc:-D__supersparc__ " DEF_ARCH32_SPEC("-D__sparcv8") "} \
%{mcpu=v9|mcpu=ultrasparc|mcpu=ultrasparc3|mcpu=niagara|mcpu=niagara2:" DEF_ARCH32_SPEC("-D__sparcv8") "} \
%{!mcpu*:%(cpp_cpu_default)} \
"

#undef ASM_CPU_SPEC
#define ASM_CPU_SPEC "\
%{mcpu=v9:" DEF_ARCH32_SPEC("-xarch=v8plus") DEF_ARCH64_SPEC(AS_SPARC64_FLAG) "} \
%{mcpu=ultrasparc:" DEF_ARCH32_SPEC("-xarch=v8plusa") DEF_ARCH64_SPEC(AS_SPARC64_FLAG "a") "} \
%{mcpu=ultrasparc3:" DEF_ARCH32_SPEC("-xarch=v8plusb") DEF_ARCH64_SPEC(AS_SPARC64_FLAG "b") "} \
%{mcpu=niagara:" DEF_ARCH32_SPEC("-xarch=v8plusb") DEF_ARCH64_SPEC(AS_SPARC64_FLAG "b") "} \
%{mcpu=niagara2:" DEF_ARCH32_SPEC("-xarch=v8plusb") DEF_ARCH64_SPEC(AS_SPARC64_FLAG "b") "} \
%{!mcpu=niagara2:%{!mcpu=niagara:%{!mcpu=ultrasparc3:%{!mcpu=ultrasparc:%{!mcpu=v9:%{mcpu*:" DEF_ARCH32_SPEC("-xarch=v8") DEF_ARCH64_SPEC(AS_SPARC64_FLAG) "}}}}}} \
%{!mcpu*:%(asm_cpu_default)} \
"

#undef CPP_CPU_DEFAULT_SPEC
#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 "} \
")

#undef ASM_CPU_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 "} \
")

/* wchar_t is called differently in <wchar.h> for 32 and 64-bit
   compilations.  This is called for by SCD 2.4.1, p. 6-83, Figure 6-65
   (32-bit) and p. 6P-10, Figure 6.38 (64-bit).  */

#undef WCHAR_TYPE
#define WCHAR_TYPE (TARGET_ARCH64 ? "int" : "long int")

#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 32

/* Same for wint_t.  See SCD 2.4.1, p. 6-83, Figure 6-66 (32-bit).  There's
   no corresponding 64-bit definition, but this is what Solaris 8
   <iso/wchar_iso.h> uses.  */

#undef WINT_TYPE
#define WINT_TYPE (TARGET_ARCH64 ? "int" : "long int")

#undef WINT_TYPE_SIZE
#define WINT_TYPE_SIZE 32

#undef CPP_ARCH32_SPEC
#define CPP_ARCH32_SPEC ""
#undef CPP_ARCH64_SPEC
#define CPP_ARCH64_SPEC "-D__arch64__ -D__sparcv9"

#undef CPP_ARCH_SPEC
#define CPP_ARCH_SPEC "\
%{m32:%(cpp_arch32)} \
%{m64:%(cpp_arch64)} \
%{!m32:%{!m64:%(cpp_arch_default)}} \
"

#undef ASM_ARCH_SPEC
#define ASM_ARCH_SPEC ""

#undef ASM_ARCH32_SPEC
#define ASM_ARCH32_SPEC ""

#undef ASM_ARCH64_SPEC
#define ASM_ARCH64_SPEC ""

#undef ASM_ARCH_DEFAULT_SPEC
#define ASM_ARCH_DEFAULT_SPEC ""

#undef SUBTARGET_EXTRA_SPECS
#define SUBTARGET_EXTRA_SPECS \
  { "startfile_arch",	 STARTFILE_ARCH_SPEC },		  \
  { "link_arch32",       LINK_ARCH32_SPEC },              \
  { "link_arch64",       LINK_ARCH64_SPEC },              \
  { "link_arch_default", LINK_ARCH_DEFAULT_SPEC },	  \
  { "link_arch",	 LINK_ARCH_SPEC },
    
/*
 * This should be the same as in sol2.h, except with "/sparcv9"
 * appended to the paths and /usr/ccs/lib is no longer necessary
 */
#define LINK_ARCH64_SPEC_BASE \
  "%{mcmodel=medlow:-M /usr/lib/ld/sparcv9/map.below4G} \
   %{G:-G} \
   %{YP,*} \
   %{R*} \
   %{compat-bsd: \
     %{!YP,*:%{p|pg:-Y P,%R/usr/ucblib/sparcv9:%R/usr/lib/libp/sparcv9:%R/usr/lib/sparcv9:%R/lib/sparcv9} \
       %{!p:%{!pg:-Y P,%R/usr/ucblib/sparcv9:%R/usr/lib/sparcv9:%R/lib/sparcv9}}} \
     -R %R/usr/ucblib/sparcv9} \
   %{!compat-bsd: \
     %{!YP,*:%{p|pg:-Y P,%R/usr/lib/libp/sparcv9:%R/usr/lib/sparcv9:%R/lib/sparcv9} \
       %{!p:%{!pg:-Y P,%R/usr/lib/sparcv9:%R/lib/sparcv9}}}}"

#define LINK_ARCH64_SPEC LINK_ARCH64_SPEC_BASE

#undef LINK_ARCH_SPEC
#if DISABLE_MULTILIB
#if DEFAULT_ARCH32_P
#define LINK_ARCH_SPEC "\
%{m32:%(link_arch32)} \
%{m64:%edoes not support multilib} \
%{!m32:%{!m64:%(link_arch_default)}} \
"
#else
#define LINK_ARCH_SPEC "\
%{m32:%edoes not support multilib} \
%{m64:%(link_arch64)} \
%{!m32:%{!m64:%(link_arch_default)}} \
"
#endif
#else
#define LINK_ARCH_SPEC "\
%{m32:%(link_arch32)} \
%{m64:%(link_arch64)} \
%{!m32:%{!m64:%(link_arch_default)}} \
"
#endif

#define LINK_ARCH_DEFAULT_SPEC \
(DEFAULT_ARCH32_P ? LINK_ARCH32_SPEC : LINK_ARCH64_SPEC)

#undef	CC1_SPEC
#if DEFAULT_ARCH32_P
#define CC1_SPEC "\
%{m64:%{m32:%emay not use both -m32 and -m64}} \
%{m64:-mptr64 -mstack-bias -mno-v8plus \
  %{!mcpu*:-%{!mv8plus:mcpu=v9}}} \
"
#else
#define CC1_SPEC "\
%{m32:%{m64:%emay not use both -m32 and -m64}} \
%{m32:-mptr32 -mno-stack-bias \
  %{!mcpu*:%{!mv8plus:-mcpu=v9}}} \
%{mv8plus:-m32 -mptr32 -mno-stack-bias \
  %{!mcpu*:-mcpu=v9}} \
"
#endif

/* 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.
   In the SPARC_BI_ARCH compiler we cannot pass %{!mcpu=*:-mcpu=%(VALUE)}
   here, otherwise say -mcpu=v7 would be passed even when -m64.
   CC1_SPEC above takes care of this instead.  */
#undef OPTION_DEFAULT_SPECS
#if DEFAULT_ARCH32_P
#define OPTION_DEFAULT_SPECS \
  {"cpu", "%{!m64:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
  {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
  {"float", "%{!msoft-float:%{!mhard-float:%{!mfpu:%{!mno-fpu:-m%(VALUE)-float}}}}" }
#else
#define OPTION_DEFAULT_SPECS \
  {"cpu", "%{!m32:%{!mcpu=*:-mcpu=%(VALUE)}}" }, \
  {"tune", "%{!mtune=*:-mtune=%(VALUE)}" }, \
  {"float", "%{!msoft-float:%{!mhard-float:%{!mfpu:%{!mno-fpu:-m%(VALUE)-float}}}}" }
#endif

#if DEFAULT_ARCH32_P
#define MULTILIB_DEFAULTS { "m32" }
#else
#define MULTILIB_DEFAULTS { "m64" }
#endif