* unwind-dw2-fde.c (__deregister_frame_info_bases):

[pf3gnuchains/gcc-fork.git] / gcc / params.def

diff --git a/gcc/params.def b/gcc/params.def
index aae7068..2a1d3a3 100644 (file)
--- a/gcc/params.def
+++ b/gcc/params.def
@@ -2,22 +2,22 @@
    Copyright (C) 2001 Free Software Foundation, Inc.
    Written by Mark Mitchell <mark@codesourcery.com>.
 
-This file is part of GNU CC.
+This file is part of GCC.
 
-GNU CC 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 2, or (at your option)
-any later version.
+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 2, or (at your option) any later
+version.
 
-GNU CC 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.
+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 GNU CC; see the file COPYING.  If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.  
+along with GCC; see the file COPYING.  If not, write to the Free
+Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+02111-1307, USA.
 
 */
 
@@ -31,18 +31,20 @@ Boston, MA 02111-1307, USA.
 
      - A help string explaining how the parameter is used.
 
-     - A default value for the parameter.  */
+     - A default value for the parameter.
+
+   Be sure to add an entry to invoke.texi summarizing the parameter.  */
 
 /* The maximum number of instructions accepted for inlining a
    function.  Increasing values mean more agressive inlining.
    This affects currently only functions explicitly marked as
    inline (or methods defined within the class definition for C++).
-   The default value of 10000 is arbitrary but high to match the
-   previously unlimited gcc capabilities.  */
+   The original default value of 10000 was arbitrary and caused
+   significant compile-time performance regressions.  */
 DEFPARAM (PARAM_MAX_INLINE_INSNS,
          "max-inline-insns",
          "The maximum number of instructions in a function that is eligible for inlining",
-         10000)
+         600)
 
 /* The maximum number of instructions to consider when looking for an
    instruction to fill a delay slot.  If more than this arbitrary
@@ -66,6 +68,27 @@ DEFPARAM(PARAM_MAX_DELAY_SLOT_LIVE_SEARCH,
         "The maximum number of instructions to consider to find accurate live register information",
         333)
 
+/* This parameter limits the number of branch elements that the 
+   scheduler will track anti-dependencies through without resetting
+   the tracking mechanism.  Large functions with few calls or barriers 
+   can generate lists containing many 1000's of dependencies.  Generally 
+   the compiler either uses all available memory, or runs for far too long.  */
+DEFPARAM(PARAM_MAX_PENDING_LIST_LENGTH,
+        "max-pending-list-length",
+        "The maximum length of scheduling's pending operations list",
+        32)
+
+/* The GCSE optimization will be disabled if it would require
+   significantly more memory than this value.  */
+DEFPARAM(PARAM_MAX_GCSE_MEMORY,
+        "max-gcse-memory",
+        "The maximum amount of memory to be allocated by GCSE",
+        50 * 1024 * 1024)
+/* The number of repetitions of copy/const prop and PRE to run. */
+DEFPARAM(PARAM_MAX_GCSE_PASSES,
+       "max-gcse-passes",
+       "The maximum number of passes to make when doing GCSE",
+       1)
 /*
 Local variables:
 mode:c