vax.h (TARGET_BSD_DIVMOD): New macro.

* config/vax/vax.h (TARGET_BSD_DIVMOD): New macro.  Set to 1.
	* config/vax/linux.h (TARGET_BSD_DIVMOD): New macro.  Redefine the
	to 0.
	* config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab
	and umod_optab if TARGET_BSD_DIVMOD.
	* config/vax/lib1funcs.asm: New file.
	* config/vax/t-linux: New file.
	* config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux.

From-SVN: r149128
This commit is contained in:
Maciej W. Rozycki 2009-07-01 01:23:54 +00:00 committed by Maciej W. Rozycki
parent 429a907c9a
commit 1df34d4da7
7 changed files with 118 additions and 2 deletions

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@ -1,3 +1,14 @@
2009-07-01 Maciej W. Rozycki <macro@linux-mips.org>
* config/vax/vax.h (TARGET_BSD_DIVMOD): New macro. Set to 1.
* config/vax/linux.h (TARGET_BSD_DIVMOD): New macro. Redefine the
to 0.
* config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab
and umod_optab if TARGET_BSD_DIVMOD.
* config/vax/lib1funcs.asm: New file.
* config/vax/t-linux: New file.
* config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux.
2009-06-30 Jakub Jelinek <jakub@redhat.com>
PR c++/40566

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@ -2439,6 +2439,7 @@ v850-*-*)
;;
vax-*-linux*)
tm_file="${tm_file} dbxelf.h elfos.h svr4.h linux.h vax/elf.h vax/linux.h"
tmake_file=vax/t-linux
;;
vax-*-netbsdelf*)
tm_file="${tm_file} elfos.h netbsd.h netbsd-elf.h vax/elf.h vax/netbsd-elf.h"

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@ -0,0 +1,92 @@
/* Copyright (C) 2009 Free Software Foundation, Inc.
This file is part of GCC.
Contributed by Maciej W. Rozycki <macro@linux-mips.org>.
This file 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.
This file 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.
Under Section 7 of GPL version 3, you are granted additional
permissions described in the GCC Runtime Library Exception, version
3.1, as published by the Free Software Foundation.
You should have received a copy of the GNU General Public License and
a copy of the GCC Runtime Library Exception along with this program;
see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
<http://www.gnu.org/licenses/>. */
#ifdef L_udivsi3
.text
.globl __udivsi3
.type __udivsi3, @function
__udivsi3:
.word 0
movl 8(%ap), %r1
blss 0f /* Check bit #31 of divisor. */
movl 4(%ap), %r2
blss 1f /* Check bit #31 of dividend. */
/* Both zero, do a standard division. */
divl3 %r1, %r2, %r0
ret
/* MSB of divisor set, only 1 or 0 may result. */
0:
decl %r1
clrl %r0
cmpl %r1, 4(%ap)
adwc $0, %r0
ret
/* MSB of dividend set, do an extended division. */
1:
clrl %r3
ediv %r1, %r2, %r0, %r3
ret
.size __udivsi3, . - __udivsi3
.previous
#endif
#ifdef L_umodsi3
.text
.globl __umodsi3
.type __umodsi3, @function
__umodsi3:
.word 0
movl 8(%ap), %r1
blss 0f /* Check bit #31 of divisor. */
movl 4(%ap), %r2
blss 1f /* Check bit #31 of dividend. */
/* Both zero, do a standard division. */
divl3 %r1, %r2, %r0
mull2 %r0, %r1
subl3 %r1, %r2, %r0
ret
/* MSB of divisor set, subtract the divisor at most once. */
0:
movl 4(%ap), %r2
clrl %r0
cmpl %r2, %r1
sbwc $0, %r0
bicl2 %r0, %r1
subl3 %r1, %r2, %r0
ret
/* MSB of dividend set, do an extended division. */
1:
clrl %r3
ediv %r1, %r2, %r3, %r0
ret
.size __umodsi3, . - __umodsi3
.previous
#endif

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@ -37,6 +37,10 @@ along with GCC; see the file COPYING3. If not see
#undef TARGET_DEFAULT
#define TARGET_DEFAULT (MASK_QMATH | MASK_G_FLOAT)
/* Use standard names for udiv and umod libgcc calls. */
#undef TARGET_BSD_DIVMOD
#define TARGET_BSD_DIVMOD 0
#undef CPP_SPEC
#define CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_REENTRANT}"

2
gcc/config/vax/t-linux Normal file
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@ -0,0 +1,2 @@
LIB1ASMSRC = vax/lib1funcs.asm
LIB1ASMFUNCS = _udivsi3 _umodsi3

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@ -175,8 +175,11 @@ vax_file_start (void)
static void
vax_init_libfuncs (void)
{
set_optab_libfunc (udiv_optab, SImode, TARGET_ELF ? "*__udiv" : "*udiv");
set_optab_libfunc (umod_optab, SImode, TARGET_ELF ? "*__urem" : "*urem");
if (TARGET_BSD_DIVMOD)
{
set_optab_libfunc (udiv_optab, SImode, TARGET_ELF ? "*__udiv" : "*udiv");
set_optab_libfunc (umod_optab, SImode, TARGET_ELF ? "*__urem" : "*urem");
}
}
/* This is like nonimmediate_operand with a restriction on the type of MEM. */

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@ -63,6 +63,9 @@ along with GCC; see the file COPYING3. If not see
/* Nonzero if ELF. Redefined by vax/elf.h. */
#define TARGET_ELF 0
/* Use BSD names for udiv and umod libgcc calls. */
#define TARGET_BSD_DIVMOD 1
/* Default target_flags if no switches specified. */
#ifndef TARGET_DEFAULT