Radix cross Linux

The main Radix cross Linux repository contains the build scripts of packages, which have the most complete and common functionality for desktop machines

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Index: gcc/config/rs6000/linux64.h
===================================================================
--- gcc/config/rs6000/linux64.h	(nonexistent)
+++ gcc/config/rs6000/linux64.h	(revision 5)
@@ -0,0 +1,569 @@
+/* Definitions of target machine for GNU compiler,
+   for 64 bit PowerPC linux.
+   Copyright (C) 2000-2022 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/>.  */
+
+#ifndef RS6000_BI_ARCH
+
+#undef	TARGET_64BIT
+#define	TARGET_64BIT 1
+
+#define	DEFAULT_ARCH64_P 1
+#define	RS6000_BI_ARCH_P 0
+
+#else
+
+#define	DEFAULT_ARCH64_P (TARGET_DEFAULT & MASK_64BIT)
+#define	RS6000_BI_ARCH_P 1
+
+#endif
+
+#ifdef IN_LIBGCC2
+#undef TARGET_64BIT
+#ifdef __powerpc64__
+#define TARGET_64BIT 1
+#else
+#define TARGET_64BIT 0
+#endif
+#endif
+
+#undef	TARGET_AIX
+#define	TARGET_AIX TARGET_64BIT
+
+#ifdef HAVE_LD_NO_DOT_SYMS
+/* New ABI uses a local sym for the function entry point.  */
+extern int dot_symbols;
+#undef DOT_SYMBOLS
+#define DOT_SYMBOLS dot_symbols
+#endif
+
+#define TARGET_PROFILE_KERNEL profile_kernel
+
+#undef TARGET_KEEP_LEAF_WHEN_PROFILED
+#define TARGET_KEEP_LEAF_WHEN_PROFILED rs6000_keep_leaf_when_profiled
+
+#define TARGET_USES_LINUX64_OPT 1
+#ifdef HAVE_LD_LARGE_TOC
+#undef TARGET_CMODEL
+#define TARGET_CMODEL rs6000_current_cmodel
+#define SET_CMODEL(opt) rs6000_current_cmodel = opt
+#else
+#define SET_CMODEL(opt) do {} while (0)
+#endif
+
+#undef  PROCESSOR_DEFAULT
+#define PROCESSOR_DEFAULT PROCESSOR_POWER7
+#undef  PROCESSOR_DEFAULT64
+#define PROCESSOR_DEFAULT64 PROCESSOR_POWER8
+
+/* We don't need to generate entries in .fixup, except when
+   -mrelocatable or -mrelocatable-lib is given.  */
+#undef RELOCATABLE_NEEDS_FIXUP
+#define RELOCATABLE_NEEDS_FIXUP \
+  (rs6000_isa_flags & rs6000_isa_flags_explicit & OPTION_MASK_RELOCATABLE)
+
+#undef	RS6000_ABI_NAME
+#define	RS6000_ABI_NAME "linux"
+
+#define INVALID_64BIT "%<-m%s%> not supported in this configuration"
+#define INVALID_32BIT INVALID_64BIT
+
+#ifdef LINUX64_DEFAULT_ABI_ELFv2
+#define ELFv2_ABI_CHECK (rs6000_elf_abi != 1)
+#else
+#define ELFv2_ABI_CHECK (rs6000_elf_abi == 2)
+#endif
+
+#undef	SUBSUBTARGET_OVERRIDE_OPTIONS
+#define	SUBSUBTARGET_OVERRIDE_OPTIONS				\
+  do rs6000_linux64_override_options (); while (0)
+
+#undef	ASM_SPEC
+#undef	LINK_OS_LINUX_SPEC
+#undef	LINK_SECURE_PLT_SPEC
+
+#ifndef	RS6000_BI_ARCH
+#define	ASM_SPEC	 "%(asm_spec64) %(asm_spec_common)"
+#define	LINK_OS_LINUX_SPEC "%(link_os_linux_spec64)"
+#define	LINK_SECURE_PLT_SPEC ""
+#else
+#if DEFAULT_ARCH64_P
+#define	ASM_SPEC	 "%{m32:%(asm_spec32)}%{!m32:%(asm_spec64)} %(asm_spec_common)"
+#define	LINK_OS_LINUX_SPEC "%{m32:%(link_os_linux_spec32)}%{!m32:%(link_os_linux_spec64)}"
+#define	LINK_SECURE_PLT_SPEC "%{m32: " LINK_SECURE_PLT_DEFAULT_SPEC "}"
+#else
+#define	ASM_SPEC	 "%{!m64:%(asm_spec32)}%{m64:%(asm_spec64)} %(asm_spec_common)"
+#define	LINK_OS_LINUX_SPEC "%{!m64:%(link_os_linux_spec32)}%{m64:%(link_os_linux_spec64)}"
+#define	LINK_SECURE_PLT_SPEC "%{!m64: " LINK_SECURE_PLT_DEFAULT_SPEC "}"
+#endif
+#endif
+
+#define ASM_SPEC32 "-a32 \
+%{mrelocatable} %{mrelocatable-lib} %{" FPIE_OR_FPIC_SPEC ":-K PIC} \
+%{memb|msdata=eabi: -memb}"
+
+#define ASM_SPEC64 "-a64"
+
+#define ASM_SPEC_COMMON "%(asm_cpu) \
+%{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}}" \
+  ENDIAN_SELECT(" -mbig", " -mlittle", DEFAULT_ASM_ENDIAN)
+
+#undef	SUBSUBTARGET_EXTRA_SPECS
+#define SUBSUBTARGET_EXTRA_SPECS \
+  { "asm_spec_common",		ASM_SPEC_COMMON },			\
+  { "asm_spec32",		ASM_SPEC32 },				\
+  { "asm_spec64",		ASM_SPEC64 },				\
+  { "link_os_linux_spec32",	LINK_OS_LINUX_SPEC32 },			\
+  { "link_os_linux_spec64",	LINK_OS_LINUX_SPEC64 },			\
+  { "link_os_extra_spec32",	LINK_OS_EXTRA_SPEC32 },			\
+  { "link_os_extra_spec64",	LINK_OS_EXTRA_SPEC64 },			\
+  { "link_os_new_dtags",	LINK_OS_NEW_DTAGS_SPEC },		\
+  { "include_extra",		INCLUDE_EXTRA_SPEC },			\
+  { "dynamic_linker_prefix",	DYNAMIC_LINKER_PREFIX },
+
+/* Optional specs used for overriding the system include directory, default
+   -rpath links, and prefix for the dynamic linker.  Normally, there are not
+   defined, but if the user configure with the --with-advance-toolchain=<xxx>
+   option, the advance-toolchain.h file will override these.  */
+#ifndef INCLUDE_EXTRA_SPEC
+#define INCLUDE_EXTRA_SPEC	""
+#endif
+
+#ifndef LINK_OS_EXTRA_SPEC32
+#define LINK_OS_EXTRA_SPEC32	""
+#endif
+
+#ifndef LINK_OS_EXTRA_SPEC64
+#define LINK_OS_EXTRA_SPEC64	""
+#endif
+
+#ifndef LINK_OS_NEW_DTAGS_SPEC
+#define LINK_OS_NEW_DTAGS_SPEC	""
+#endif
+
+#ifndef DYNAMIC_LINKER_PREFIX
+#define DYNAMIC_LINKER_PREFIX	""
+#endif
+
+#undef	MULTILIB_DEFAULTS
+#if DEFAULT_ARCH64_P
+#define MULTILIB_DEFAULTS { "m64" }
+#else
+#define MULTILIB_DEFAULTS { "m32" }
+#endif
+
+/* Split stack is only supported for 64 bit, and requires glibc >= 2.18.  */
+#if TARGET_GLIBC_MAJOR * 1000 + TARGET_GLIBC_MINOR >= 2018
+# ifndef RS6000_BI_ARCH
+#  define TARGET_CAN_SPLIT_STACK
+# else
+#  if DEFAULT_ARCH64_P
+/* Supported, and the default is -m64  */
+#   define TARGET_CAN_SPLIT_STACK_64BIT 1
+#  else
+/* Supported, and the default is -m32  */
+#   define TARGET_CAN_SPLIT_STACK_64BIT 0
+#  endif
+# endif
+#endif
+
+#ifndef RS6000_BI_ARCH
+
+/* 64-bit PowerPC Linux always has a TOC.  */
+#undef  TARGET_HAS_TOC
+#define TARGET_HAS_TOC		1
+
+/* Some things from sysv4.h we don't do when 64 bit.  */
+#undef	OPTION_RELOCATABLE
+#define	OPTION_RELOCATABLE	0
+#undef	OPTION_EABI
+#define	OPTION_EABI		0
+#undef	OPTION_PROTOTYPE
+#define	OPTION_PROTOTYPE	0
+#undef RELOCATABLE_NEEDS_FIXUP
+#define RELOCATABLE_NEEDS_FIXUP 0
+
+#endif
+
+/* We use glibc _mcount for profiling.  */
+#define NO_PROFILE_COUNTERS 1
+#define PROFILE_HOOK(LABEL) \
+  do { if (TARGET_64BIT) output_profile_hook (LABEL); } while (0)
+
+/* PowerPC64 Linux word-aligns FP doubles when -malign-power is given.  */
+#undef  ADJUST_FIELD_ALIGN
+#define ADJUST_FIELD_ALIGN(FIELD, TYPE, COMPUTED) \
+  ((TARGET_64BIT							\
+    && TARGET_ALIGN_NATURAL == 0					\
+    && TYPE_MODE (strip_array_types (TYPE)) == DFmode)			\
+   ? MIN ((COMPUTED), 32)						\
+   : (COMPUTED))
+
+/* PowerPC64 Linux increases natural record alignment to doubleword if
+   the first field is an FP double, only if in power alignment mode.  */
+#undef  ROUND_TYPE_ALIGN
+#define ROUND_TYPE_ALIGN(STRUCT, COMPUTED, SPECIFIED)			\
+  ((TARGET_64BIT							\
+    && (TREE_CODE (STRUCT) == RECORD_TYPE				\
+	|| TREE_CODE (STRUCT) == UNION_TYPE				\
+	|| TREE_CODE (STRUCT) == QUAL_UNION_TYPE)			\
+    && TARGET_ALIGN_NATURAL == 0)					\
+   ? rs6000_special_round_type_align (STRUCT, COMPUTED, SPECIFIED)	\
+   : MAX ((COMPUTED), (SPECIFIED)))
+
+/* Use the default for compiling target libs.  */
+#ifdef IN_TARGET_LIBS
+#undef TARGET_ALIGN_NATURAL
+#define TARGET_ALIGN_NATURAL 1
+#endif
+
+/* Indicate that jump tables go in the text section.  */
+#undef  JUMP_TABLES_IN_TEXT_SECTION
+#define JUMP_TABLES_IN_TEXT_SECTION TARGET_64BIT
+
+/* The linux ppc64 ABI isn't explicit on whether aggregates smaller
+   than a doubleword should be padded upward or downward.  You could
+   reasonably assume that they follow the normal rules for structure
+   layout treating the parameter area as any other block of memory,
+   then map the reg param area to registers.  i.e. pad upward.
+   Setting both of the following defines results in this behavior.
+   Setting just the first one will result in aggregates that fit in a
+   doubleword being padded downward, and others being padded upward.
+   Not a bad idea as this results in struct { int x; } being passed
+   the same way as an int.  */
+#define AGGREGATE_PADDING_FIXED TARGET_64BIT
+#define AGGREGATES_PAD_UPWARD_ALWAYS 0
+
+/* 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) ? PAD_UPWARD : targetm.calls.function_arg_padding (MODE, TYPE))
+
+/* Linux doesn't support saving and restoring 64-bit regs in a 32-bit
+   process.  */
+#define OS_MISSING_POWERPC64 !TARGET_64BIT
+
+#ifdef SINGLE_LIBC
+#define OPTION_GLIBC_P(opts)	(DEFAULT_LIBC == LIBC_GLIBC)
+#define OPTION_UCLIBC_P(opts)	(DEFAULT_LIBC == LIBC_UCLIBC)
+#define OPTION_BIONIC_P(opts)	(DEFAULT_LIBC == LIBC_BIONIC)
+#undef OPTION_MUSL_P
+#define OPTION_MUSL_P(opts)	(DEFAULT_LIBC == LIBC_MUSL)
+#else
+#define OPTION_GLIBC_P(opts)	((opts)->x_linux_libc == LIBC_GLIBC)
+#define OPTION_UCLIBC_P(opts)	((opts)->x_linux_libc == LIBC_UCLIBC)
+#define OPTION_BIONIC_P(opts)	((opts)->x_linux_libc == LIBC_BIONIC)
+#undef OPTION_MUSL_P
+#define OPTION_MUSL_P(opts)	((opts)->x_linux_libc == LIBC_MUSL)
+#endif
+#define OPTION_GLIBC		OPTION_GLIBC_P (&global_options)
+#define OPTION_UCLIBC		OPTION_UCLIBC_P (&global_options)
+#define OPTION_BIONIC		OPTION_BIONIC_P (&global_options)
+#undef OPTION_MUSL
+#define OPTION_MUSL		OPTION_MUSL_P (&global_options)
+
+/* Determine what functions are present at the runtime;
+   this includes full c99 runtime and sincos.  */
+#undef TARGET_LIBC_HAS_FUNCTION
+#define TARGET_LIBC_HAS_FUNCTION linux_libc_has_function
+
+#undef  TARGET_OS_CPP_BUILTINS
+#define TARGET_OS_CPP_BUILTINS()			\
+  do							\
+    {							\
+      if (strcmp (rs6000_abi_name, "linux") == 0	\
+	  || strcmp (rs6000_abi_name, "aixdesc") == 0)	\
+	GNU_USER_TARGET_OS_CPP_BUILTINS();		\
+      if (TARGET_64BIT)					\
+	{						\
+	  builtin_define ("__PPC__");			\
+	  builtin_define ("__PPC64__");			\
+	  builtin_define ("__powerpc__");		\
+	  builtin_define ("__powerpc64__");		\
+	  if (!DOT_SYMBOLS)				\
+	    builtin_define ("_CALL_LINUX");		\
+	  builtin_assert ("cpu=powerpc64");		\
+	  builtin_assert ("machine=powerpc64");		\
+	}						\
+      else						\
+	{						\
+	  builtin_define_std ("PPC");			\
+	  builtin_define_std ("powerpc");		\
+	  builtin_assert ("cpu=powerpc");		\
+	  builtin_assert ("machine=powerpc");		\
+	  TARGET_OS_SYSV_CPP_BUILTINS ();		\
+	}						\
+    }							\
+  while (0)
+
+#undef  CPP_OS_DEFAULT_SPEC
+#define CPP_OS_DEFAULT_SPEC "%(cpp_os_linux) %(include_extra)"
+
+#undef  LINK_SHLIB_SPEC
+#define LINK_SHLIB_SPEC "%{shared:-shared} %{!shared: %{static:-static}} \
+  %{static-pie:-static -pie --no-dynamic-linker -z text}"
+
+#undef  LIB_DEFAULT_SPEC
+#define LIB_DEFAULT_SPEC "%(lib_linux)"
+
+#undef  STARTFILE_DEFAULT_SPEC
+#define STARTFILE_DEFAULT_SPEC "%(startfile_linux)"
+
+#undef	ENDFILE_DEFAULT_SPEC
+#define ENDFILE_DEFAULT_SPEC "%(endfile_linux)"
+
+#undef	LINK_START_DEFAULT_SPEC
+#define LINK_START_DEFAULT_SPEC "%(link_start_linux)"
+
+#undef	LINK_OS_DEFAULT_SPEC
+#define LINK_OS_DEFAULT_SPEC "%(link_os_linux)"
+
+#define GLIBC_DYNAMIC_LINKER32 "%(dynamic_linker_prefix)/lib32/ld.so.1"
+
+#ifdef LINUX64_DEFAULT_ABI_ELFv2
+#define GLIBC_DYNAMIC_LINKER64 \
+"%{mabi=elfv1:%(dynamic_linker_prefix)/lib/ld64.so.1;" \
+":%(dynamic_linker_prefix)/lib/ld64.so.2}"
+#else
+#define GLIBC_DYNAMIC_LINKER64 \
+"%{mabi=elfv2:%(dynamic_linker_prefix)/lib/ld64.so.2;" \
+":%(dynamic_linker_prefix)/lib/ld64.so.1}"
+#endif
+
+#undef MUSL_DYNAMIC_LINKER32
+#define MUSL_DYNAMIC_LINKER32 \
+  "/lib/ld-musl-powerpc" MUSL_DYNAMIC_LINKER_E "%{msoft-float:-sf}.so.1"
+#undef MUSL_DYNAMIC_LINKER64
+#define MUSL_DYNAMIC_LINKER64 \
+  "/lib/ld-musl-powerpc64" MUSL_DYNAMIC_LINKER_E "%{msoft-float:-sf}.so.1"
+
+#undef  DEFAULT_ASM_ENDIAN
+#if (TARGET_DEFAULT & MASK_LITTLE_ENDIAN)
+#define DEFAULT_ASM_ENDIAN " -mlittle"
+#define LINK_OS_LINUX_EMUL32 ENDIAN_SELECT(" -m elf32ppclinux",		\
+					   " -m elf32lppclinux",	\
+					   " -m elf32lppclinux")
+#define LINK_OS_LINUX_EMUL64 ENDIAN_SELECT(" -m elf64ppc",		\
+					   " -m elf64lppc",		\
+					   " -m elf64lppc")
+#else
+#define DEFAULT_ASM_ENDIAN " -mbig"
+#define LINK_OS_LINUX_EMUL32 ENDIAN_SELECT(" -m elf32ppclinux",		\
+					   " -m elf32lppclinux",	\
+					   " -m elf32ppclinux")
+#define LINK_OS_LINUX_EMUL64 ENDIAN_SELECT(" -m elf64ppc",		\
+					   " -m elf64lppc",		\
+					   " -m elf64ppc")
+#endif
+
+#define LINK_OS_LINUX_SPEC32 LINK_OS_LINUX_EMUL32 " %{!shared: %{!static: \
+  %{!static-pie: \
+    %{rdynamic:-export-dynamic} \
+    -dynamic-linker " GNU_USER_DYNAMIC_LINKER32 "}}} \
+  %(link_os_extra_spec32)"
+
+#define LINK_OS_LINUX_SPEC64 LINK_OS_LINUX_EMUL64 " %{!shared: %{!static: \
+  %{!static-pie: \
+    %{rdynamic:-export-dynamic} \
+    -dynamic-linker " GNU_USER_DYNAMIC_LINKER64 "}}} \
+  %(link_os_extra_spec64)"
+
+/* Use gnu-user.h LINK_GCC_SEQUENCE_SPEC for linux.  */
+#undef LINK_GCC_C_SEQUENCE_SPEC
+#define	LINK_GCC_C_SEQUENCE_SPEC \
+  "%{mads|myellowknife|mmvme|msim:%G %L %G;" \
+  "!mcall-*|mcall-linux:" GNU_USER_TARGET_LINK_GCC_C_SEQUENCE_SPEC ";" \
+  ":%G %L %G}"
+
+#undef  TOC_SECTION_ASM_OP
+#define TOC_SECTION_ASM_OP \
+  (TARGET_64BIT						\
+   ? "\t.section\t\".toc\",\"aw\""			\
+   : "\t.section\t\".got\",\"aw\"")
+
+#undef  MINIMAL_TOC_SECTION_ASM_OP
+#define MINIMAL_TOC_SECTION_ASM_OP \
+  (TARGET_64BIT						\
+   ? "\t.section\t\".toc1\",\"aw\""			\
+   : (flag_pic						\
+      ? "\t.section\t\".got2\",\"aw\""			\
+      : "\t.section\t\".got1\",\"aw\""))
+
+/* Must be at least as big as our pointer type.  */
+#undef	SIZE_TYPE
+#define	SIZE_TYPE (TARGET_64BIT ? "long unsigned int" : "unsigned int")
+
+#undef	PTRDIFF_TYPE
+#define	PTRDIFF_TYPE (TARGET_64BIT ? "long int" : "int")
+
+#undef	WCHAR_TYPE
+#define	WCHAR_TYPE (TARGET_64BIT ? "int" : "long int")
+#undef  WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 32
+
+#undef  RS6000_MCOUNT
+#define RS6000_MCOUNT "_mcount"
+
+#ifdef __powerpc64__
+/* _init and _fini functions are built from bits spread across many
+   object files, each potentially with a different TOC pointer.  For
+   that reason, place a nop after the call so that the linker can
+   restore the TOC pointer if a TOC adjusting call stub is needed.  */
+#if DOT_SYMBOLS
+#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC)	\
+  asm (SECTION_OP "\n"					\
+"	bl ." #FUNC "\n"				\
+"	nop\n"						\
+"	.previous");
+#else
+#define CRT_CALL_STATIC_FUNCTION(SECTION_OP, FUNC)	\
+  asm (SECTION_OP "\n"					\
+"	bl " #FUNC "\n"					\
+"	nop\n"						\
+"	.previous");
+#endif
+#endif
+
+/* FP save and restore routines.  */
+#undef  SAVE_FP_PREFIX
+#define SAVE_FP_PREFIX (TARGET_64BIT ? "._savef" : "_savefpr_")
+#undef  SAVE_FP_SUFFIX
+#define SAVE_FP_SUFFIX ""
+#undef  RESTORE_FP_PREFIX
+#define RESTORE_FP_PREFIX (TARGET_64BIT ? "._restf" : "_restfpr_")
+#undef  RESTORE_FP_SUFFIX
+#define RESTORE_FP_SUFFIX ""
+
+/* Dwarf2 debugging.  */
+#undef  PREFERRED_DEBUGGING_TYPE
+#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
+
+/* This is how to declare the size of a function.  */
+#undef	ASM_DECLARE_FUNCTION_SIZE
+#define	ASM_DECLARE_FUNCTION_SIZE(FILE, FNAME, DECL)			\
+  do									\
+    {									\
+      if (!flag_inhibit_size_directive)					\
+	{								\
+	  fputs ("\t.size\t", (FILE));					\
+	  if (TARGET_64BIT && DOT_SYMBOLS)				\
+	    putc ('.', (FILE));						\
+	  assemble_name ((FILE), (FNAME));				\
+	  fputs (",.-", (FILE));					\
+	  rs6000_output_function_entry (FILE, FNAME);			\
+	  putc ('\n', (FILE));						\
+	}								\
+    }									\
+  while (0)
+
+/* Return nonzero if this entry is to be written into the constant
+   pool in a special way.  We do so if this is a SYMBOL_REF, LABEL_REF
+   or a CONST containing one of them.  If -mfp-in-toc (the default),
+   we also do this for floating-point constants.  We actually can only
+   do this if the FP formats of the target and host machines are the
+   same, but we can't check that since not every file that uses
+   the macros includes real.h.  We also do this when we can write an
+   integer into the TOC and the entry is not larger than a TOC entry,
+   but not for -mcmodel=medium where we'll use a toc-relative load for
+   constants outside the TOC.  */
+
+#undef  ASM_OUTPUT_SPECIAL_POOL_ENTRY_P
+#define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE)			\
+  (TARGET_TOC								\
+   && (SYMBOL_REF_P (X)							\
+       || (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS	\
+	   && SYMBOL_REF_P (XEXP (XEXP (X, 0), 0)))			\
+       || GET_CODE (X) == LABEL_REF					\
+       || (CONST_INT_P (X)						\
+	   && TARGET_CMODEL != CMODEL_MEDIUM				\
+	   && GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode))	\
+       || (CONST_DOUBLE_P (X)						\
+	   && ((TARGET_64BIT						\
+		&& (TARGET_MINIMAL_TOC					\
+		    || (SCALAR_FLOAT_MODE_P (GET_MODE (X))		\
+			&& ! TARGET_NO_FP_IN_TOC)))			\
+	       || (!TARGET_64BIT					\
+		   && !TARGET_NO_FP_IN_TOC				\
+		   && SCALAR_FLOAT_MODE_P (GET_MODE (X))		\
+		   && BITS_PER_WORD == HOST_BITS_PER_INT)))))
+
+/* 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.  */
+#undef	ASM_PREFERRED_EH_DATA_FORMAT
+#define	ASM_PREFERRED_EH_DATA_FORMAT(CODE, GLOBAL) \
+  (TARGET_64BIT || flag_pic						\
+   ? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel		\
+      | (TARGET_64BIT ? DW_EH_PE_udata8 : DW_EH_PE_sdata4))		\
+   : DW_EH_PE_absptr)
+
+/* For backward compatibility, we must continue to use the AIX
+   structure return convention.  */
+#undef DRAFT_V4_STRUCT_RET
+#define DRAFT_V4_STRUCT_RET (!TARGET_64BIT)
+
+#ifdef TARGET_LIBC_PROVIDES_SSP
+/* ppc32 glibc provides __stack_chk_guard in -0x7008(2),
+   ppc64 glibc provides it at -0x7010(13).  */
+#define TARGET_THREAD_SSP_OFFSET	(TARGET_64BIT ? -0x7010 : -0x7008)
+#endif
+
+#define POWERPC_LINUX
+
+/* ppc{32,64} linux has 128-bit long double support in glibc 2.4 and later.  */
+#ifdef TARGET_DEFAULT_LONG_DOUBLE_128
+#define RS6000_DEFAULT_LONG_DOUBLE_SIZE 128
+#endif
+
+/* Static stack checking is supported by means of probes.  */
+#define STACK_CHECK_STATIC_BUILTIN 1
+
+/* The default value isn't sufficient in 64-bit mode.  */
+#define STACK_CHECK_PROTECT (TARGET_64BIT ? 16 * 1024 : 12 * 1024)
+
+/* Software floating point support for exceptions and rounding modes
+   depends on the C library in use.  */
+#undef TARGET_FLOAT_EXCEPTIONS_ROUNDING_SUPPORTED_P
+#define TARGET_FLOAT_EXCEPTIONS_ROUNDING_SUPPORTED_P \
+  rs6000_linux_float_exceptions_rounding_supported_p
+
+/* Support for TARGET_ATOMIC_ASSIGN_EXPAND_FENV without FPRs depends
+   on glibc 2.19 or greater.  */
+#if TARGET_GLIBC_MAJOR > 2 \
+  || (TARGET_GLIBC_MAJOR == 2 && TARGET_GLIBC_MINOR >= 19)
+#define RS6000_GLIBC_ATOMIC_FENV 1
+#endif
+
+/* The IEEE 128-bit emulator is only built on Linux systems.  Flag that we
+   should enable the type handling for KFmode on VSX systems even if we are not
+   enabling the __float128 keyword.  */
+#undef	TARGET_FLOAT128_ENABLE_TYPE
+#define TARGET_FLOAT128_ENABLE_TYPE 1
+
+/* Enable using prefixed PC-relative addressing on POWER10 if the ABI
+   supports it.  The ELF v2 ABI only supports PC-relative relocations for
+   the medium code model.  */
+#define PCREL_SUPPORTED_BY_OS	(TARGET_POWER10 && TARGET_PREFIXED	\
+				 && ELFv2_ABI_CHECK			\
+				 && TARGET_CMODEL == CMODEL_MEDIUM)
Index: gcc/config/rs6000
===================================================================
--- gcc/config/rs6000	(nonexistent)
+++ gcc/config/rs6000	(revision 5)

Property changes on: gcc/config/rs6000
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Index: gcc/config
===================================================================
--- gcc/config	(nonexistent)
+++ gcc/config	(revision 5)

Property changes on: gcc/config
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Index: gcc
===================================================================
--- gcc	(nonexistent)
+++ gcc	(revision 5)

Property changes on: gcc
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~
Index: .
===================================================================
--- .	(nonexistent)
+++ .	(revision 5)

Property changes on: .
___________________________________________________________________
Added: svn:ignore
## -0,0 +1,73 ##
+
+# install dir
+dist
+
+# Target build dirs
+.a1x-newlib
+.a2x-newlib
+.at91sam7s-newlib
+
+.build-machine
+
+.a1x-glibc
+.a2x-glibc
+.h3-glibc
+.h5-glibc
+.i586-glibc
+.i686-glibc
+.imx6-glibc
+.jz47xx-glibc
+.makefile
+.am335x-glibc
+.omap543x-glibc
+.p5600-glibc
+.power8-glibc
+.power8le-glibc
+.power9-glibc
+.power9le-glibc
+.m1000-glibc
+.riscv64-glibc
+.rk328x-glibc
+.rk33xx-glibc
+.rk339x-glibc
+.s8xx-glibc
+.s9xx-glibc
+.x86_64-glibc
+
+# Hidden files (each file)
+.makefile
+.dist
+.rootfs
+
+# src & hw requires
+.src_requires
+.src_requires_depend
+.requires
+.requires_depend
+
+# Tarballs
+*.gz
+*.bz2
+*.lz
+*.xz
+*.tgz
+*.txz
+
+# Signatures
+*.asc
+*.sig
+*.sign
+*.sha1sum
+
+# Patches
+*.patch
+
+# Descriptions
+*.dsc
+*.txt
+
+# Default linux config files
+*.defconfig
+
+# backup copies
+*~