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divert(-1)
dnl m4 macros for alpha assembler on unicos.
dnl Copyright 2000, 2002-2004, 2013 Free Software Foundation, Inc.
dnl This file is part of the GNU MP Library.
dnl
dnl The GNU MP Library is free software; you can redistribute it and/or modify
dnl it under the terms of either:
dnl
dnl * the GNU Lesser General Public License as published by the Free
dnl Software Foundation; either version 3 of the License, or (at your
dnl option) any later version.
dnl
dnl or
dnl
dnl * the GNU General Public License as published by the Free Software
dnl Foundation; either version 2 of the License, or (at your option) any
dnl later version.
dnl
dnl or both in parallel, as here.
dnl
dnl The GNU MP Library is distributed in the hope that it will be useful, but
dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
dnl for more details.
dnl
dnl You should have received copies of the GNU General Public License and the
dnl GNU Lesser General Public License along with the GNU MP Library. If not,
dnl see https://www.gnu.org/licenses/.
dnl Note that none of the standard GMP_ASM_ autoconf tests are done for
dnl unicos, so none of the config.m4 results can be used here.
dnl No underscores on unicos
define(`GSYM_PREFIX')
define(`ASM_START',
m4_assert_numargs(0)
` .ident dummy')
define(`X',
m4_assert_numargs(1)
`^X$1')
define(`FLOAT64',
m4_assert_numargs(2)
` .psect $1@crud,data
$1: .t_floating $2
.endp')
dnl Called: PROLOGUE_cpu(GSYM_PREFIX`'foo[,gp|noalign])
dnl EPILOGUE_cpu(GSYM_PREFIX`'foo)
define(`PROLOGUE_cpu',
m4_assert_numargs_range(1,2)
`ifelse(`$2',gp,,
`ifelse(`$2',noalign,,
`ifelse(`$2',,,`m4_error(`Unrecognised PROLOGUE parameter
')')')')dnl
.stack 192 ; What does this mean? Only Cray knows.
.psect $1@code,code,cache
$1::')
define(`EPILOGUE_cpu',
m4_assert_numargs(1)
` .endp')
dnl Usage: LDGP(dst,src)
dnl
dnl Emit an "ldgp dst,src", but only on systems using a GOT (which unicos
dnl doesn't).
define(LDGP,
m4_assert_numargs(2)
)
dnl Usage: EXTERN(variable_name)
define(`EXTERN',
m4_assert_numargs(1)
` .extern $1')
define(`DATASTART',
m4_assert_numargs_range(1,2)
` .psect $1@crud,data
ALIGN(ifelse($#,1,2,$2))
$1:')
define(`DATAEND',
m4_assert_numargs(0)
` .endp')
define(`ASM_END',
m4_assert_numargs(0)
` .end')
define(`cvttqc',
m4_assert_numargs(-1)
`cvttq/c')
dnl Load a symbolic address into a register
define(`LEA',
m4_assert_numargs(2)
`laum $1, $2(r31)
sll $1, 32, $1
lalm $1, $2($1)
lal $1, $2($1)')
dnl Usage: ALIGN(bytes)
dnl
dnl Unicos assembler .align emits zeros, even in code segments, so disable
dnl aligning.
dnl
dnl GCC uses a macro emiting nops until the desired alignment is reached
dnl (see unicosmk_file_start in alpha.c). Could do something like that if
dnl we cared. The maximum desired alignment must be established at the
dnl start of the section though, since of course emitting nops only
dnl advances relative to the section beginning.
define(`ALIGN',
m4_assert_numargs(1)
)
divert
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