feeeff5cfe
gcc: * config.gcc (epiphany-*-*): New architecture. (epiphany-*-elf): New configuration. * config/epiphany, common/config/epiphany : New directories. * doc/extend.texi (disinterrupt attribute): Add Epiphany. (interrupt attribute): Add Epiphany. (long_call, short_call attribute): Add Epiphany. * doc/invoke.texi (Options): Add Epiphany options. * doc/md.texi (Machine Constraints): Add Epiphany constraints. * doc/install.texi (Options specification): Add --with-stack-offset=@var{num} description. (host/target specific issues): Add epiphany-*-elf. * doc/contrib.texi (Contributors): Mention Epiphany port. gcc/testsuite: * gcc.c-torture/execute/ieee/mul-subnormal-single-1.x: Disable test on Epiphany. * gcc.c-torture/execute/20101011-1.c: Disable test on Epiphany. * gcc.dg/stack-usage-1.c [__epiphany__] (SIZE): Define. * gcc.dg/pragma-pack-3.c: Disable test on Epiphany. * g++.dg/parse/pragma3.C: Likewise. * stackalign/builtin-apply-2.c (STACK_ARGUMENTS_SIZE): Define. (bar): Use it. * gcc.dg/weak/typeof-2.c [epiphany-*-*]: Add option -mshort-calls. * gcc.dg/tls/thr-cse-1.c: Likewise. * g++.dg/opt/devirt2.C: Likewise. * gcc.dg/20020312-2.c [epiphany-*-*] (PIC_REG): Define. * gcc.dg/builtin-apply2.c [__epiphany__]: (STACK_ARGUMENTS_SIZE): 20. * gcc.target/epiphany: New directory. libgcc: * config.host (epiphany-*-elf*): New configuration. * config/epiphany: New Directory. contrib: * contrib-list.mk: Add Epiphany configurations. From-SVN: r181016
40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/* Generic 32 bit multiply.
|
|
Copyright (C) 2009 Free Software Foundation, Inc.
|
|
Contributed by Embecosm on behalf of Adapteva, Inc.
|
|
|
|
This file is part of GCC.
|
|
|
|
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/>. */
|
|
|
|
unsigned int
|
|
__mulsi3 (unsigned int a, unsigned int b)
|
|
{
|
|
unsigned int r = 0;
|
|
|
|
while (a)
|
|
{
|
|
if (a & 1)
|
|
r += b;
|
|
a >>= 1;
|
|
b <<= 1;
|
|
}
|
|
return r;
|
|
}
|