Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 139 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/config/mips/gnu-user.h b/gcc-4.9/gcc/config/mips/gnu-user.h
new file mode 100644
index 000000000..638d7f0f5
--- /dev/null
+++ b/gcc-4.9/gcc/config/mips/gnu-user.h
@@ -0,0 +1,139 @@
+/* Definitions for MIPS systems using GNU userspace.
+   Copyright (C) 1998-2014 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.
+
+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/>.  */
+
+#undef WCHAR_TYPE
+#define WCHAR_TYPE "int"
+
+#undef WCHAR_TYPE_SIZE
+#define WCHAR_TYPE_SIZE 32
+
+#undef ASM_DECLARE_OBJECT_NAME
+#define ASM_DECLARE_OBJECT_NAME mips_declare_object_name
+
+/* If we don't set MASK_ABICALLS, we can't default to PIC.  */
+#undef TARGET_DEFAULT
+#define TARGET_DEFAULT MASK_ABICALLS
+
+#define TARGET_OS_CPP_BUILTINS()				\
+  do {								\
+    GNU_USER_TARGET_OS_CPP_BUILTINS();				\
+    /* The GNU C++ standard library requires this.  */		\
+    if (c_dialect_cxx ())					\
+      builtin_define ("_GNU_SOURCE");				\
+  } while (0)
+
+#undef SUBTARGET_CPP_SPEC
+#define SUBTARGET_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"
+
+/* A standard GNU/Linux mapping.  On most targets, it is included in
+   CC1_SPEC itself by config/linux.h, but mips.h overrides CC1_SPEC
+   and provides this hook instead.  */
+#undef SUBTARGET_CC1_SPEC
+#define SUBTARGET_CC1_SPEC GNU_USER_TARGET_CC1_SPEC
+
+/* -G is incompatible with -KPIC which is the default, so only allow objects
+   in the small data section if the user explicitly asks for it.  */
+#undef MIPS_DEFAULT_GVALUE
+#define MIPS_DEFAULT_GVALUE 0
+
+/* Borrowed from sparc/linux.h */
+#undef GNU_USER_TARGET_LINK_SPEC
+#define GNU_USER_TARGET_LINK_SPEC \
+ "%(endian_spec) \
+  %{shared:-shared} \
+  %{!shared: \
+    %{!static: \
+      %{rdynamic:-export-dynamic} \
+      -dynamic-linker " GNU_USER_DYNAMIC_LINKER "} \
+      %{static:-static}}"
+#undef LINK_SPEC
+#define LINK_SPEC GNU_USER_TARGET_LINK_SPEC
+
+#undef SUBTARGET_ASM_SPEC
+#define SUBTARGET_ASM_SPEC \
+  "%{!mno-abicalls:%{mplt:-call_nonpic;:-KPIC}}"
+
+/* The MIPS assembler has different syntax for .set. We set it to
+   .dummy to trap any errors.  */
+#undef SET_ASM_OP
+#define SET_ASM_OP "\t.dummy\t"
+
+#undef ASM_OUTPUT_DEF
+#define ASM_OUTPUT_DEF(FILE,LABEL1,LABEL2)				\
+ do {									\
+	fputc ( '\t', FILE);						\
+	assemble_name (FILE, LABEL1);					\
+	fputs ( " = ", FILE);						\
+	assemble_name (FILE, LABEL2);					\
+	fputc ( '\n', FILE);						\
+ } while (0)
+
+/* The glibc _mcount stub will save $v0 for us.  Don't mess with saving
+   it, since ASM_OUTPUT_REG_PUSH/ASM_OUTPUT_REG_POP do not work in the
+   presence of $gp-relative calls.  */
+#undef ASM_OUTPUT_REG_PUSH
+#undef ASM_OUTPUT_REG_POP
+
+#undef LIB_SPEC
+#define LIB_SPEC GNU_USER_TARGET_LIB_SPEC
+
+#ifdef HAVE_AS_NO_SHARED
+/* Default to -mno-shared for non-PIC.  */
+# define NO_SHARED_SPECS \
+  " %{mshared|mno-shared|fpic|fPIC|fpie|fPIE:;:-mno-shared}"
+#else
+# define NO_SHARED_SPECS ""
+#endif
+
+/* -march=native handling only makes sense with compiler running on
+   a MIPS chip.  */
+#if defined(__mips__)
+extern const char *host_detect_local_cpu (int argc, const char **argv);
+# define EXTRA_SPEC_FUNCTIONS \
+  { "local_cpu_detect", host_detect_local_cpu },
+
+# define MARCH_MTUNE_NATIVE_SPECS				\
+  " %{march=native:%<march=native %:local_cpu_detect(arch)}"	\
+  " %{mtune=native:%<mtune=native %:local_cpu_detect(tune)}"
+#else
+# define MARCH_MTUNE_NATIVE_SPECS ""
+#endif
+
+#define LINUX_DRIVER_SELF_SPECS \
+  NO_SHARED_SPECS							\
+  MARCH_MTUNE_NATIVE_SPECS,						\
+  /* -mplt has no effect without -mno-shared.  Simplify later		\
+     specs handling by removing a redundant option.  */			\
+  "%{!mno-shared:%<mplt}",						\
+  /* -mplt likewise has no effect for -mabi=64 without -msym32.  */	\
+  "%{mabi=64:%{!msym32:%<mplt}}"
+
+#undef DRIVER_SELF_SPECS
+#define DRIVER_SELF_SPECS \
+  BASE_DRIVER_SELF_SPECS, \
+  LINUX_DRIVER_SELF_SPECS
+
+/* Similar to standard Linux, but adding -ffast-math support.  */
+#undef	GNU_USER_TARGET_MATHFILE_SPEC
+#define GNU_USER_TARGET_MATHFILE_SPEC \
+  "%{Ofast|ffast-math|funsafe-math-optimizations:crtfastmath.o%s}"
+#undef  ENDFILE_SPEC
+#define ENDFILE_SPEC \
+  GNU_USER_TARGET_MATHFILE_SPEC " " \
+  GNU_USER_TARGET_ENDFILE_SPEC