Imported gcc-4.4.3

[msp430-gcc.git] / gcc / config / mips / sdemtk.h

diff --git a/gcc/config/mips/sdemtk.h b/gcc/config/mips/sdemtk.h
new file mode 100644 (file)
index 0000000..3e4e58f
--- /dev/null
+++ b/gcc/config/mips/sdemtk.h
@@ -0,0 +1,115 @@
+/* Definitions of target machine for GNU compiler.
+   MIPS SDE version, for use with the SDE C library rather than newlib.
+   Copyright (C) 2007, 2008
+   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/>.  */
+
+#define TARGET_OS_CPP_BUILTINS()                       \
+  do                                                   \
+    {                                                  \
+      builtin_assert ("system=sde");                   \
+      builtin_assert ("system=posix");                 \
+      builtin_define ("__SDE_MIPS__");                 \
+                                                       \
+      /* Deprecated: use __mips_isa_rev >= 2.  */      \
+      if (ISA_MIPS32R2)                                        \
+        builtin_define ("__mipsr2");                   \
+                                                       \
+      /* Deprecated: use __mips_fpr == 64.  */         \
+      if (TARGET_FLOAT64)                              \
+       builtin_define ("__mipsfp64");                  \
+                                                       \
+      if (TARGET_NO_FLOAT)                             \
+       {                                               \
+         builtin_define ("__NO_FLOAT");                \
+         builtin_define ("__mips_no_float");           \
+       }                                               \
+      else if (TARGET_SOFT_FLOAT_ABI)                  \
+       builtin_define ("__SOFT_FLOAT");                \
+      else if (TARGET_SINGLE_FLOAT)                    \
+       builtin_define ("__SINGLE_FLOAT");              \
+                                                       \
+      if (TARGET_BIG_ENDIAN)                           \
+        {                                              \
+         builtin_assert ("endian=big");                \
+         builtin_assert ("cpu=mipseb");                \
+       }                                               \
+      else                                             \
+        {                                              \
+         builtin_assert ("endian=little");             \
+         builtin_assert ("cpu=mipsel");                \
+       }                                               \
+    }                                                  \
+  while (0)
+
+#undef SUBTARGET_OVERRIDE_OPTIONS
+#define SUBTARGET_OVERRIDE_OPTIONS                     \
+  do                                                   \
+    {                                                  \
+      if (TARGET_NO_FLOAT)                             \
+       {                                               \
+         target_flags |= MASK_SOFT_FLOAT_ABI;          \
+         target_flags_explicit |= MASK_SOFT_FLOAT_ABI; \
+       }                                               \
+    }                                                  \
+  while (0)
+
+/* For __clear_cache in libgcc2.c.  */
+#ifdef IN_LIBGCC2
+extern void mips_sync_icache (void *beg, unsigned long len);
+#undef CLEAR_INSN_CACHE
+#define CLEAR_INSN_CACHE(beg, end) \
+  mips_sync_icache (beg, end - beg)
+#endif
+
+/* For mips_cache_flush_func in mips.opt.  */
+#undef CACHE_FLUSH_FUNC
+#define CACHE_FLUSH_FUNC "mips_sync_icache"
+
+/* For inline code which needs to sync the icache and dcache,
+   noting that the SDE library takes arguments (address, size).  */
+#undef MIPS_ICACHE_SYNC
+#define MIPS_ICACHE_SYNC(ADDR, SIZE)                                   \
+  emit_library_call (gen_rtx_SYMBOL_REF (Pmode, mips_cache_flush_func),        \
+                    0, VOIDmode, 2, ADDR, Pmode,                       \
+                    SIZE, TYPE_MODE (sizetype))
+
+/* This version of _mcount does not pop 2 words from the stack.  */
+#undef FUNCTION_PROFILER
+#define FUNCTION_PROFILER(FILE, LABELNO)                               \
+  {                                                                    \
+    fprintf (FILE, "\t.set\tnoat\n");                                  \
+    /* _mcount treats $2 as the static chain register.  */             \
+    if (cfun->static_chain_decl != NULL)                               \
+      fprintf (FILE, "\tmove\t%s,%s\n", reg_names[2],                  \
+              reg_names[STATIC_CHAIN_REGNUM]);                         \
+    /* MIPS16 code passes saved $ra in $v1 instead of $at.  */         \
+    fprintf (FILE, "\tmove\t%s,%s\n",                                  \
+            reg_names[GP_REG_FIRST + (TARGET_MIPS16 ? 3 : 1)],         \
+            reg_names[GP_REG_FIRST + 31]);                             \
+    fprintf (FILE, "\tjal\t_mcount\n");                                        \
+    fprintf (FILE, "\t.set\tat\n");                                    \
+    /* _mcount treats $2 as the static chain register.  */             \
+    if (cfun->static_chain_decl != NULL)                               \
+      fprintf (FILE, "\tmove\t%s,%s\n", reg_names[STATIC_CHAIN_REGNUM],        \
+              reg_names[2]);                                           \
+  }
+
+/* ...nor does the call sequence preserve $31.  */
+#undef MIPS_SAVE_REG_FOR_PROFILING_P
+#define MIPS_SAVE_REG_FOR_PROFILING_P(REGNO) ((REGNO) == GP_REG_FIRST + 31)