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This commit was generated by cvs2svn to compensate for changes in r72562,

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which included commits to RCS files with non-trunk default branches.
This commit is contained in:
David E. O'Brien 2001-02-17 08:34:50 +00:00
commit 9520158aff
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=72563
38 changed files with 2898 additions and 1127 deletions
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72
contrib/gcc/ChangeLog
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@ -1,3 +1,75 @@
2001-01-25 Bernd Schmidt <bernds@redhat.co.uk>
* version.c: Bump.
* varasm.c (force_const_mem): When putting a LABEL_REF into the
constant pool, also put it on forced_labels list so that it won't
be deleted.
2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
* emit-rtl.c (reset_used_decls): New function.
(unshare_all_rtl_again): Call it.
2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
* emit-rtl.c (unshare_all_decls): New function.
(unshare_all_rtl): Call it.
2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
* emit-rtl.c (unshare_all_rtl): Store the copied rtx.
2000-04-15 Richard Earnshaw (rearnsah@arm.com)
* emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
call unshare_all_rtl.
2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
* emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
Use unshare_all_rtl_1.
(unshare_all_rtl_again): New function.
(unshare_all_rtl_1): New function split out of unshare_all_rtl.
* function.c (purge_addressof_1): Use unshare_all_rtl_again
rather than resetting the 'used' flags ourself.
* toplev.c (rest_of_compilation): Add current_function_decl
to the unshare_all_rtl call.
* tree.h: Prototype unshare_all_rtl.
* rtl.h: Prototype unshare_all_rtl_again here.
2001-01-12 Bernd Schmidt <bernds@redhat.co.uk>
* version.c: Bump.
* expr.c (expand_builtin_setjmp_receiver): Emit a scheduling barrier
as last insn.
2001-01-11 Bernd Schmidt <bernds@redhat.co.uk>
* version.c: Bump.
2001-01-09 Mark Mitchell <mark@codesourcery.com>
Remove support for using UWIN as a host machine.
* configure.in: Issue an error message.
* configure: Regenerated.
* config.gcc: Remove xm_* UWIN configury.
* config/i386/xm-uwin.h: Remove.
* config/mips/vxworks.h: Don't terminate comment before its end.
* invoke.texi: Update -fvtable-thunks documentation.
* loop.c (scan_loop): Disable copy propagation if we find a REG_LABEL
note.
Revert this patch:
2000-12-18 David Edelsohn <edelsohn@gnu.org>
* rs6000.c (and64_operand): Use logical_u_operand.
Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
* tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
always have side-effects.
Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
* tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
always have side-effects.
2001-01-01 Bernd Schmidt <bernds@redhat.co.uk>
* version.c: Bump.

2611
contrib/gcc/NEWS
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1071
contrib/gcc/ONEWS Normal file
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2
contrib/gcc/alias.c
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@ -1,5 +1,5 @@
/* Alias analysis for GNU C
Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
Contributed by John Carr (jfc@mit.edu).
This file is part of GNU CC.

3
contrib/gcc/c-decl.c
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@ -1,5 +1,6 @@
/* Process declarations and variables for C compiler.
Copyright (C) 1988, 92-98, 1999 Free Software Foundation, Inc.
Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
Free Software Foundation, Inc.
This file is part of GNU CC.

3
contrib/gcc/c-typeck.c
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@ -1,5 +1,6 @@
/* Build expressions with type checking for C compiler.
Copyright (C) 1987, 88, 91-97, 1998 Free Software Foundation, Inc.
Copyright (C) 1987, 1988, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.

3
contrib/gcc/calls.c
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@ -1,5 +1,6 @@
/* Convert function calls to rtl insns, for GNU C compiler.
Copyright (C) 1989, 92-97, 1998, 1999 Free Software Foundation, Inc.
Copyright (C) 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
Free Software Foundation, Inc.
This file is part of GNU CC.

3
contrib/gcc/collect2.c
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@ -1,6 +1,7 @@
/* Collect static initialization info into data structures that can be
traversed by C++ initialization and finalization routines.
Copyright (C) 1992, 93-98, 1999 Free Software Foundation, Inc.
Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000
Free Software Foundation, Inc.
Contributed by Chris Smith (csmith@convex.com).
Heavily modified by Michael Meissner (meissner@cygnus.com),
Per Bothner (bothner@cygnus.com), and John Gilmore (gnu@cygnus.com).

3
contrib/gcc/combine.c
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@ -1,5 +1,6 @@
/* Optimize by combining instructions for GNU compiler.
Copyright (C) 1987, 88, 92-98, 1999 Free Software Foundation, Inc.
Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.

3
contrib/gcc/config/sparc/sparc.c
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@ -1,5 +1,6 @@
/* Subroutines for insn-output.c for Sun SPARC.
Copyright (C) 1987, 88, 89, 92-98, 1999 Free Software Foundation, Inc.
Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000 Free Software Foundation, Inc.
Contributed by Michael Tiemann (tiemann@cygnus.com)
64 bit SPARC V9 support by Michael Tiemann, Jim Wilson, and Doug Evans,
at Cygnus Support.

3
contrib/gcc/config/sparc/sparc.md
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@ -1,5 +1,6 @@
;;- Machine description for SPARC chip for GNU C compiler
;; Copyright (C) 1987, 88, 89, 92-98, 1999 Free Software Foundation, Inc.
;; Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
;; 1999 Free Software Foundation, Inc.
;; Contributed by Michael Tiemann (tiemann@cygnus.com)
;; 64 bit SPARC V9 support by Michael Tiemann, Jim Wilson, and Doug Evans,
;; at Cygnus Support.

11
contrib/gcc/configure.in
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@ -1,7 +1,7 @@
# configure.in for GNU CC
# Process this file with autoconf to generate a configuration script.
# Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
# Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
#This file is part of GNU CC.
@ -396,10 +396,9 @@ GCC_FUNC_PRINTF_PTR
case "${host}" in
*-*-uwin*)
# Under some versions of uwin, vfork is notoriously buggy and the test
# can hang configure; on other versions, vfork exists just as a stub.
# FIXME: This should be removed once vfork in uwin's runtime is fixed.
ac_cv_func_vfork_works=no
AC_MSG_ERROR([
*** UWIN may not be used as a host platform because
*** linking with posix.dll is not allowed by the GNU GPL])
;;
esac
AC_FUNC_VFORK
@ -1564,8 +1563,6 @@ changequote(,)dnl
i[34567]86-*-uwin*)
changequote([,])dnl
tm_file=i386/uwin.h
xm_file="${xm_file} i386/xm-uwin.h"
xm_defines="USG NO_STAB_H NO_SYS_SIGLIST"
tmake_file="i386/t-cygwin i386/t-uwin"
extra_objs=winnt.o
xmake_file=i386/x-cygwin

2
contrib/gcc/cp/lang-specs.h
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@ -1,5 +1,5 @@
/* Definitions for specs for C++.
Copyright (C) 1995, 96-98, 1999 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.

3
contrib/gcc/cppinit.c
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@ -1,5 +1,6 @@
/* CPP Library.
Copyright (C) 1986, 87, 89, 92-98, 1999 Free Software Foundation, Inc.
Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000 Free Software Foundation, Inc.
Contributed by Per Bothner, 1994-95.
Based on CCCP program by Paul Rubin, June 1986
Adapted to ANSI C, Richard Stallman, Jan 1987

3
contrib/gcc/cse.c
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@ -1,5 +1,6 @@
/* Common subexpression elimination for GNU compiler.
Copyright (C) 1987, 88, 89, 92-99, 2000 Free Software Foundation, Inc.
Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.

3
contrib/gcc/dwarf2out.c
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@ -1,5 +1,6 @@
/* Output Dwarf2 format symbol table information from the GNU C compiler.
Copyright (C) 1992, 93, 95-98, 1999 Free Software Foundation, Inc.
Copyright (C) 1992, 1993, 1995, 1996, 1997, 1998, 1999, 2000 Free Software
Foundation, Inc.
Contributed by Gary Funck (gary@intrepid.com).
Derived from DWARF 1 implementation of Ron Guilmette (rfg@monkeys.com).
Extensively modified by Jason Merrill (jason@cygnus.com).

108
contrib/gcc/emit-rtl.c
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@ -1,5 +1,6 @@
/* Emit RTL for the GNU C-Compiler expander.
Copyright (C) 1987, 88, 92-97, 1998, 1999 Free Software Foundation, Inc.
Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000, 2001 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -248,6 +249,9 @@ extern int emit_lineno;
static rtx make_jump_insn_raw PROTO((rtx));
static rtx make_call_insn_raw PROTO((rtx));
static rtx find_line_note PROTO((rtx));
static void unshare_all_rtl_1 PROTO((rtx));
static void unshare_all_decls PROTO((tree));
static void reset_used_decls PROTO((tree));
rtx
gen_rtx_CONST_INT (mode, arg)
@ -1767,23 +1771,29 @@ restore_emit_status (p)
free_insn = 0;
}
/* Go through all the RTL insn bodies and copy any invalid shared structure.
It does not work to do this twice, because the mark bits set here
are not cleared afterwards. */
/* Go through all the RTL insn bodies and copy any invalid shared
structure. This routine should only be called once. */
void
unshare_all_rtl (insn)
register rtx insn;
unshare_all_rtl (fndecl, insn)
tree fndecl;
rtx insn;
{
for (; insn; insn = NEXT_INSN (insn))
if (GET_CODE (insn) == INSN || GET_CODE (insn) == JUMP_INSN
|| GET_CODE (insn) == CALL_INSN)
{
PATTERN (insn) = copy_rtx_if_shared (PATTERN (insn));
REG_NOTES (insn) = copy_rtx_if_shared (REG_NOTES (insn));
LOG_LINKS (insn) = copy_rtx_if_shared (LOG_LINKS (insn));
}
tree decl;
/* Make sure that virtual stack slots are not shared. */
reset_used_decls (DECL_INITIAL (current_function_decl));
/* Make sure that virtual parameters are not shared. */
for (decl = DECL_ARGUMENTS (fndecl); decl; decl = TREE_CHAIN (decl))
DECL_RTL (decl) = copy_rtx_if_shared (DECL_RTL (decl));
/* Make sure that virtual stack slots are not shared. */
unshare_all_decls (DECL_INITIAL (fndecl));
/* Unshare just about everything else. */
unshare_all_rtl_1 (insn);
/* Make sure the addresses of stack slots found outside the insn chain
(such as, in DECL_RTL of a variable) are not shared
with the insn chain.
@ -1791,8 +1801,76 @@ unshare_all_rtl (insn)
This special care is necessary when the stack slot MEM does not
actually appear in the insn chain. If it does appear, its address
is unshared from all else at that point. */
stack_slot_list = copy_rtx_if_shared (stack_slot_list);
}
copy_rtx_if_shared (stack_slot_list);
/* Go through all the RTL insn bodies and copy any invalid shared
structure, again. This is a fairly expensive thing to do so it
should be done sparingly. */
void
unshare_all_rtl_again (insn)
rtx insn;
{
rtx p;
for (p = insn; p; p = NEXT_INSN (p))
if (GET_RTX_CLASS (GET_CODE (p)) == 'i')
{
reset_used_flags (PATTERN (p));
reset_used_flags (REG_NOTES (p));
reset_used_flags (LOG_LINKS (p));
}
unshare_all_rtl_1 (insn);
}
/* Go through all the RTL insn bodies and copy any invalid shared structure.
Assumes the mark bits are cleared at entry. */
static void
unshare_all_rtl_1 (insn)
rtx insn;
{
for (; insn; insn = NEXT_INSN (insn))
if (GET_RTX_CLASS (GET_CODE (insn)) == 'i')
{
PATTERN (insn) = copy_rtx_if_shared (PATTERN (insn));
REG_NOTES (insn) = copy_rtx_if_shared (REG_NOTES (insn));
LOG_LINKS (insn) = copy_rtx_if_shared (LOG_LINKS (insn));
}
}
/* Go through all virtual stack slots of a function and copy any
shared structure. */
static void
unshare_all_decls (blk)
tree blk;
{
tree t;
/* Copy shared decls. */
for (t = BLOCK_VARS (blk); t; t = TREE_CHAIN (t))
DECL_RTL (t) = copy_rtx_if_shared (DECL_RTL (t));
/* Now process sub-blocks. */
for (t = BLOCK_SUBBLOCKS (blk); t; t = TREE_CHAIN (t))
unshare_all_decls (t);
}
/* Go through all virtual stack slots of a function and mark them as
not shared. */
static void
reset_used_decls (blk)
tree blk;
{
tree t;
/* Mark decls. */
for (t = BLOCK_VARS (blk); t; t = TREE_CHAIN (t))
reset_used_flags (DECL_RTL (t));
/* Now process sub-blocks. */
for (t = BLOCK_SUBBLOCKS (blk); t; t = TREE_CHAIN (t))
reset_used_decls (t);
}
/* Mark ORIG as in use, and return a copy of it if it was already in use.

3
contrib/gcc/expmed.c
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@ -1,6 +1,7 @@
/* Medium-level subroutines: convert bit-field store and extract
and shifts, multiplies and divides to rtl instructions.
Copyright (C) 1987, 88, 89, 92-97, 1998 Free Software Foundation, Inc.
Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.

10
contrib/gcc/expr.c
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@ -1,5 +1,6 @@
/* Convert tree expression to rtl instructions, for GNU compiler.
Copyright (C) 1988, 92-98, 1999 Free Software Foundation, Inc.
Copyright (C) 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000, 2001 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -8664,6 +8665,13 @@ expand_builtin_setjmp_receiver (receiver_label)
{
; /* Nothing */
}
/* @@@ This is a kludge. Not all machine descriptions define a blockage
insn, but we must not allow the code we just generated to be reordered
by scheduling. Specifically, the update of the frame pointer must
happen immediately, not later. So emit an ASM_INPUT to act as blockage
insn. */
emit_insn (gen_rtx_ASM_INPUT (VOIDmode, ""));
}

2
contrib/gcc/f/lang-specs.h
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@ -1,5 +1,5 @@
/* lang-specs.h file for Fortran
Copyright (C) 1995-1997, 1999 Free Software Foundation, Inc.
Copyright (C) 1995, 1996, 1997, 1999, 2000 Free Software Foundation, Inc.
Contributed by James Craig Burley.
This file is part of GNU Fortran.

3
contrib/gcc/flow.c
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@ -1,5 +1,6 @@
/* Data flow analysis for GNU compiler.
Copyright (C) 1987, 88, 92-98, 1999 Free Software Foundation, Inc.
Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.

3
contrib/gcc/fold-const.c
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@ -1,5 +1,6 @@
/* Fold a constant sub-tree into a single node for C-compiler
Copyright (C) 1987, 88, 92-98, 1999 Free Software Foundation, Inc.
Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000 Free Software Foundation, Inc.
This file is part of GNU CC.

2
contrib/gcc/frame.c
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@ -1,6 +1,6 @@
/* Subroutines needed for unwinding stack frames for exception handling. */
/* Compile this one with gcc. */
/* Copyright (C) 1997, 1998 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc.
Contributed by Jason Merrill <jason@cygnus.com>.
This file is part of GNU CC.

2
contrib/gcc/gcc.texi
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@ -100,7 +100,7 @@ Published by the Free Software Foundation
59 Temple Place - Suite 330
Boston, MA 02111-1307 USA
Copyright (C) 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
Copyright (C) 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
Permission is granted to make and distribute verbatim copies of
this manual provided the copyright notice and this permission notice

4
contrib/gcc/loop.c
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@ -1,5 +1,6 @@
/* Perform various loop optimizations, including strength reduction.
Copyright (C) 1987, 88, 89, 91-98, 1999 Free Software Foundation, Inc.
Copyright (C) 1987, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996,
1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -919,6 +920,7 @@ scan_loop (loop_start, end, loop_cont, unroll_p, bct_p)
&& VARRAY_INT (set_in_loop, regno) == 1
&& ! side_effects_p (SET_SRC (set))
&& ! find_reg_note (p, REG_RETVAL, NULL_RTX)
&& ! find_reg_note (p, REG_LABEL, NULL_RTX)
&& (! SMALL_REGISTER_CLASSES
|| (! (GET_CODE (SET_SRC (set)) == REG
&& REGNO (SET_SRC (set)) < FIRST_PSEUDO_REGISTER)))

2
contrib/gcc/objc/lang-specs.h
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@ -1,5 +1,5 @@
/* Definitions for specs for Objective-C.
Copyright (C) 1998, 1999 Free Software Foundation, Inc.
Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.

3
contrib/gcc/optabs.c
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@ -1,5 +1,6 @@
/* Expand the basic unary and binary arithmetic operations, for GNU compiler.
Copyright (C) 1987, 88, 92-98, 1999 Free Software Foundation, Inc.
Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000 Free Software Foundation, Inc.
This file is part of GNU CC.

3
contrib/gcc/reload.h
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@ -1,5 +1,6 @@
/* Communication between reload.c and reload1.c.
Copyright (C) 1987, 91-95, 97, 1998 Free Software Foundation, Inc.
Copyright (C) 1987, 1991, 1992, 1993, 1994, 1995, 1997, 1998, 2000
Free Software Foundation, Inc.
This file is part of GNU CC.

3
contrib/gcc/reload1.c
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@ -1,5 +1,6 @@
/* Reload pseudo regs into hard regs for insns that require hard regs.
Copyright (C) 1987, 88, 89, 92-98, 1999 Free Software Foundation, Inc.
Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997,
1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.

5
contrib/gcc/rtl.h
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@ -1,5 +1,6 @@
/* Register Transfer Language (RTL) definitions for GNU C-Compiler
Copyright (C) 1987, 91-98, 1999 Free Software Foundation, Inc.
Copyright (C) 1987, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000, 2001 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -1391,7 +1392,7 @@ extern int subreg_realpart_p PROTO ((rtx));
extern void reverse_comparison PROTO ((rtx));
extern void set_new_first_and_last_insn PROTO ((rtx, rtx));
extern void set_new_first_and_last_label_num PROTO ((int, int));
extern void unshare_all_rtl PROTO ((rtx));
extern void unshare_all_rtl_again PROTO ((rtx));
extern void set_last_insn PROTO ((rtx));
extern void link_cc0_insns PROTO ((rtx));
extern void add_insn PROTO ((rtx));

3
contrib/gcc/rtlanal.c
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@ -1,5 +1,6 @@
/* Analyze RTL for C-Compiler
Copyright (C) 1987, 88, 92-98, 1999 Free Software Foundation, Inc.
Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000 Free Software Foundation, Inc.
This file is part of GNU CC.

3
contrib/gcc/stmt.c
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@ -1,5 +1,6 @@
/* Expands front end tree to back end RTL for GNU C-Compiler
Copyright (C) 1987, 88, 89, 92-98, 1999 Free Software Foundation, Inc.
Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.

2
contrib/gcc/system.h
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@ -1,6 +1,6 @@
/* system.h - Get common system includes and various definitions and
declarations based on autoconf macros.
Copyright (C) 1998, 1999 Free Software Foundation, Inc.
Copyright (C) 1998, 1999, 2000 Free Software Foundation, Inc.
This file is part of GNU CC.

41
contrib/gcc/tree.c
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@ -1,5 +1,6 @@
/* Language-independent node constructors for parse phase of GNU compiler.
Copyright (C) 1987, 88, 92-98, 1999 Free Software Foundation, Inc.
Copyright (C) 1987, 1988, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
2000, 2001 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -1121,6 +1122,26 @@ make_node (code)
case 'c':
TREE_CONSTANT (t) = 1;
break;
case 'e':
switch (code)
{
case INIT_EXPR:
case MODIFY_EXPR:
case RTL_EXPR:
case PREDECREMENT_EXPR:
case PREINCREMENT_EXPR:
case POSTDECREMENT_EXPR:
case POSTINCREMENT_EXPR:
/* All of these have side-effects, no matter what their
operands are. */
TREE_SIDE_EFFECTS (t) = 1;
break;
default:
break;
}
break;
}
return t;
@ -3107,6 +3128,24 @@ build1 (code, type, node)
TREE_RAISES (t) = 1;
}
switch (code)
{
case INIT_EXPR:
case MODIFY_EXPR:
case RTL_EXPR:
case PREDECREMENT_EXPR:
case PREINCREMENT_EXPR:
case POSTDECREMENT_EXPR:
case POSTINCREMENT_EXPR:
/* All of these have side-effects, no matter what their
operands are. */
TREE_SIDE_EFFECTS (t) = 1;
break;
default:
break;
}
return t;
}

4
contrib/gcc/tree.h
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@ -1,5 +1,6 @@
/* Front-end tree definitions for GNU compiler.
Copyright (C) 1989, 93-98, 1999 Free Software Foundation, Inc.
Copyright (C) 1989, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
Free Software Foundation, Inc.
This file is part of GNU CC.
@ -2207,6 +2208,7 @@ extern tree reorder_blocks PROTO ((tree *, tree,
struct rtx_def *));
extern void free_temps_for_rtl_expr PROTO ((tree));
extern void instantiate_virtual_regs PROTO ((tree, struct rtx_def *));
extern void unshare_all_rtl PROTO ((tree, struct rtx_def *));
extern int max_parm_reg_num PROTO ((void));
extern void push_function_context PROTO ((void));
extern void pop_function_context PROTO ((void));

3
contrib/gcc/unroll.c
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@ -1,5 +1,6 @@
/* Try to unroll loops, and split induction variables.
Copyright (C) 1992, 93, 94, 95, 97, 98, 1999 Free Software Foundation, Inc.
Copyright (C) 1992, 1993, 1994, 1995, 1997, 1998, 1999, 2000 Free Software
Foundation, Inc.
Contributed by James E. Wilson, Cygnus Support/UC Berkeley.
This file is part of GNU CC.

15
contrib/gcc/varasm.c
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@ -1,5 +1,6 @@
/* Output variables, constants and external declarations, for GNU compiler.
Copyright (C) 1987, 88, 89, 92-98, 1999 Free Software Foundation, Inc.
Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of GNU CC.
@ -3493,6 +3494,18 @@ force_const_mem (mode, x)
pop_obstacks ();
}
if (GET_CODE (x) == LABEL_REF)
{
extern rtx forced_labels;
push_obstacks_nochange ();
rtl_in_saveable_obstack ();
forced_labels = gen_rtx_EXPR_LIST (VOIDmode,
XEXP (x, 0),
forced_labels);
pop_obstacks ();
}
/* Allocate a pool constant descriptor, fill it in, and chain it in. */

2
contrib/gcc/version.c
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@ -1 +1 @@
char *version_string = "2.95.3 20010101 (prerelease)";
char *version_string = "2.95.3 20010125 (prerelease)";