Retro68/gcc/libgcc/config/nvptx/malloc.asm
2017-04-10 13:32:00 +02:00

56 lines
1.8 KiB
NASM

// A wrapper around malloc to enable a realloc implementation.
// Copyright (C) 2014-2016 Free Software Foundation, Inc.
// 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/>.
.version 3.1
.target sm_30
.address_size 64
.extern .func (.param.u64 %out_retval) malloc(.param.u64 %in_ar1);
// BEGIN GLOBAL FUNCTION DEF: __nvptx_malloc
.visible .func (.param.u64 %out_retval) __nvptx_malloc(.param.u64 %in_ar1)
{
.reg.u64 %ar1;
.reg.u64 %retval;
.reg.u64 %hr10;
.reg.u64 %r26;
.reg.u64 %r28;
.reg.u64 %r29;
.reg.u64 %r31;
ld.param.u64 %ar1, [%in_ar1];
mov.u64 %r26, %ar1;
add.u64 %r28, %r26, 8;
{
.param.u64 %retval_in;
.param.u64 %out_arg0;
st.param.u64 [%out_arg0], %r28;
call (%retval_in), malloc, (%out_arg0);
ld.param.u64 %r29, [%retval_in];
}
st.u64 [%r29], %r26;
add.u64 %r31, %r29, 8;
mov.u64 %retval, %r31;
st.param.u64 [%out_retval], %retval;
ret;
}