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
Maciej W. Rozycki
parent
429a907c9a
commit
1df34d4da7
7 changed files with 118 additions and 2 deletions
|
|
@ -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
|
||||
|
|
|
|||
|
|
@ -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"
|
||||
|
|
|
|||
92
gcc/config/vax/lib1funcs.asm
Normal file
92
gcc/config/vax/lib1funcs.asm
Normal file
|
|
@ -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
|
||||
|
|
@ -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
2
gcc/config/vax/t-linux
Normal file
|
|
@ -0,0 +1,2 @@
|
|||
LIB1ASMSRC = vax/lib1funcs.asm
|
||||
LIB1ASMFUNCS = _udivsi3 _umodsi3
|
||||
|
|
@ -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. */
|
||||
|
|
|
|||
|
|
@ -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
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue