/* Top level of GCC compilers (cc1, cc1plus, etc.)
Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
- 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+ 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Free Software Foundation, Inc.
This file is part of GCC.
#include "value-prof.h"
#include "alloc-pool.h"
#include "tree-mudflap.h"
+#include "tree-pass.h"
#if defined (DWARF2_UNWIND_INFO) || defined (DWARF2_DEBUGGING_INFO)
#include "dwarf2out.h"
int flag_detailed_statistics = 0;
/* A random sequence of characters, unless overridden by user. */
-const char *flag_random_seed;
+static const char *flag_random_seed;
/* A local time stamp derived from the time of compilation. It will be
zero if the system cannot provide a time. It will be -1u, if the
the support provided depends on the backend. */
rtx stack_limit_rtx;
-/* If one, renumber instruction UIDs to reduce the number of
- unused UIDs if there are a lot of instructions. If greater than
- one, unconditionally renumber instruction UIDs. */
-int flag_renumber_insns = 1;
-
/* Nonzero if we should track variables. When
flag_var_tracking == AUTODETECT_VALUE it will be set according
to optimize, debug_info_level and debug_hooks in process_options (). */
}
}
-/* Set up a default flag_random_seed and local_tick, unless the user
- already specified one. */
+/* Initialize local_tick with the time of day, or -1 if
+ flag_random_seed is set. */
static void
-randomize (void)
+init_local_tick (void)
{
if (!flag_random_seed)
{
- unsigned HOST_WIDE_INT value;
- static char random_seed[HOST_BITS_PER_WIDE_INT / 4 + 3];
-
/* Get some more or less random data. */
#ifdef HAVE_GETTIMEOFDAY
{
- struct timeval tv;
+ struct timeval tv;
- gettimeofday (&tv, NULL);
+ gettimeofday (&tv, NULL);
local_tick = tv.tv_sec * 1000 + tv.tv_usec / 1000;
}
#else
local_tick = (unsigned) now;
}
#endif
- value = local_tick ^ getpid ();
-
- sprintf (random_seed, HOST_WIDE_INT_PRINT_HEX, value);
- flag_random_seed = random_seed;
}
- else if (!local_tick)
+ else
local_tick = -1;
}
+/* Set up a default flag_random_seed and local_tick, unless the user
+ already specified one. Must be called after init_local_tick. */
+
+static void
+init_random_seed (void)
+{
+ unsigned HOST_WIDE_INT value;
+ static char random_seed[HOST_BITS_PER_WIDE_INT / 4 + 3];
+
+ value = local_tick ^ getpid ();
+
+ sprintf (random_seed, HOST_WIDE_INT_PRINT_HEX, value);
+ flag_random_seed = random_seed;
+}
+
+/* Obtain the random_seed string. Unless NOINIT, initialize it if
+ it's not provided in the command line. */
+
+const char *
+get_random_seed (bool noinit)
+{
+ if (!flag_random_seed && !noinit)
+ init_random_seed ();
+ return flag_random_seed;
+}
+
+/* Modify the random_seed string to VAL. Return its previous
+ value. */
+
+const char *
+set_random_seed (const char *val)
+{
+ const char *old = flag_random_seed;
+ flag_random_seed = val;
+ return old;
+}
/* Decode the string P as an integral parameter.
If the string is indeed an integer return its numeric value else
if (flag_mudflap)
mudflap_finish_file ();
+ /* Likewise for emulated thread-local storage. */
+ if (!targetm.have_tls)
+ emutls_finish ();
+
output_shared_constant_pool ();
output_object_blocks ();
/* Write out any pending weak symbol declarations. */
-
weak_finish ();
/* Do dbx symbols. */
{
static const char fmt1[] =
#ifdef __GNUC__
- N_("%s%s%s version %s (%s)\n%s\tcompiled by GNU C version %s.\n")
+ N_("%s%s%s version %s (%s)\n%s\tcompiled by GNU C version %s, ")
#else
- N_("%s%s%s version %s (%s) compiled by CC.\n")
+ N_("%s%s%s version %s (%s) compiled by CC, ")
#endif
;
static const char fmt2[] =
+ N_("GMP version %s, MPFR version %s.\n");
+ static const char fmt3[] =
+ N_("warning: %s header version %s differs from library version %s.\n");
+ static const char fmt4[] =
N_("%s%sGGC heuristics: --param ggc-min-expand=%d --param ggc-min-heapsize=%d\n");
#ifndef __VERSION__
#define __VERSION__ "[?]"
indent, *indent != 0 ? " " : "",
lang_hooks.name, version_string, TARGET_NAME,
indent, __VERSION__);
+
+ /* We need to stringify the GMP macro values. Ugh, gmp_version has
+ two string formats, "i.j.k" and "i.j" when k is zero. */
+#define GCC_GMP_STRINGIFY_VERSION3(X) #X
+#define GCC_GMP_STRINGIFY_VERSION2(X) GCC_GMP_STRINGIFY_VERSION3(X)
+#if __GNU_MP_VERSION_PATCHLEVEL == 0
+#define GCC_GMP_STRINGIFY_VERSION GCC_GMP_STRINGIFY_VERSION2(__GNU_MP_VERSION) "." \
+ GCC_GMP_STRINGIFY_VERSION2(__GNU_MP_VERSION_MINOR)
+#else
+#define GCC_GMP_STRINGIFY_VERSION GCC_GMP_STRINGIFY_VERSION2(__GNU_MP_VERSION) "." \
+ GCC_GMP_STRINGIFY_VERSION2(__GNU_MP_VERSION_MINOR) "." \
+ GCC_GMP_STRINGIFY_VERSION2(__GNU_MP_VERSION_PATCHLEVEL)
+#endif
fprintf (file,
file == stderr ? _(fmt2) : fmt2,
+ GCC_GMP_STRINGIFY_VERSION, MPFR_VERSION_STRING);
+ if (strcmp (GCC_GMP_STRINGIFY_VERSION, gmp_version))
+ fprintf (file,
+ file == stderr ? _(fmt3) : fmt3,
+ "GMP", GCC_GMP_STRINGIFY_VERSION, gmp_version);
+ if (strcmp (MPFR_VERSION_STRING, mpfr_get_version ()))
+ fprintf (file,
+ file == stderr ? _(fmt3) : fmt3,
+ "MPFR", MPFR_VERSION_STRING, mpfr_get_version ());
+ fprintf (file,
+ file == stderr ? _(fmt4) : fmt4,
indent, *indent != 0 ? " " : "",
PARAM_VALUE (GGC_MIN_EXPAND), PARAM_VALUE (GGC_MIN_HEAPSIZE));
}
/* Fill in the -frandom-seed option, if the user didn't pass it, so
that it can be printed below. This helps reproducibility. */
- randomize ();
+ if (!flag_random_seed)
+ init_random_seed ();
/* Print the options as passed. */
pos = print_single_switch (print_fn, pos,
pp_string (pp, n);
}
else
- dump_generic_node (pp, t, 0, 0, 0);
+ dump_generic_node (pp, t, 0, TDF_DIAGNOSTIC, 0);
return true;
}
init_regs ();
init_fake_stack_mems ();
init_alias_once ();
+ init_inline_once ();
init_reload ();
init_varasm_once ();
provide a dummy function context for them. */
init_dummy_function_start ();
init_expr_once ();
+
+ /* Although the actions of init_set_costs are language-independent,
+ it uses optabs, so we cannot call it from backend_init. */
+ init_set_costs ();
+
expand_dummy_function_end ();
/* If dbx symbol table desired, initialize writing it and output the
enough to default flags appropriately. */
decode_options (argc, argv);
- randomize ();
+ init_local_tick ();
/* Exit early if we can (e.g. -help). */
if (!exit_after_options)
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