| divert(-1) |
| |
| dnl m4 macros for alpha assembler (everywhere except unicos). |
| |
| |
| dnl Copyright 2000, 2002, 2003, 2004 Free Software Foundation, Inc. |
| dnl |
| 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 |
| dnl modify it under the terms of the GNU Lesser General Public License as |
| dnl published by the Free Software Foundation; either version 3 of the |
| dnl License, or (at your option) any later version. |
| dnl |
| dnl The GNU MP Library is distributed in the hope that it will be useful, |
| dnl but WITHOUT ANY WARRANTY; without even the implied warranty of |
| dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| dnl Lesser General Public License for more details. |
| dnl |
| dnl You should have received a copy of the GNU Lesser General Public License |
| dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. |
| |
| |
| dnl Usage: ASM_START() |
| define(`ASM_START', |
| m4_assert_numargs(0) |
| ` .set noreorder |
| .set noat') |
| |
| dnl Usage: X(value) |
| define(`X', |
| m4_assert_numargs(1) |
| `0x$1') |
| |
| dnl Usage: FLOAT64(label,value) |
| define(`FLOAT64', |
| m4_assert_numargs(2) |
| ` .align 3 |
| $1: .t_floating $2') |
| |
| |
| 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 |
| .text |
| ifelse(`$2',noalign,,` ALIGN(16)') |
| .globl $1 |
| .ent $1 |
| $1: |
| ifelse(`$2',gp,` ldgp r29,0(r27)') |
| .frame r30,0,r26 |
| .prologue ifelse(`$2',gp,1,0)') |
| |
| define(`EPILOGUE_cpu', |
| m4_assert_numargs(1) |
| ` .end $1') |
| |
| |
| dnl Usage: LDGP(dst,src) |
| dnl |
| dnl Emit an "ldgp dst,src", but only if the system uses a GOT. |
| |
| define(LDGP, |
| m4_assert_numargs(2) |
| `ldgp `$1', `$2'') |
| |
| |
| dnl Usage: EXTERN(variable_name) |
| define(`EXTERN', |
| m4_assert_numargs(1) |
| ) |
| |
| dnl Usage: r0 ... r31 |
| dnl f0 ... f31 |
| dnl |
| dnl Map register names r0 to $0, and f0 to $f0, etc. |
| dnl This is needed on all systems but Unicos |
| dnl |
| dnl defreg() is used to protect the $ in $0 (otherwise it would represent a |
| dnl macro argument). Double quoting is used to protect the f0 in $f0 |
| dnl (otherwise it would be an infinite recursion). |
| |
| forloop(i,0,31,`defreg(`r'i,$i)') |
| forloop(i,0,31,`deflit(`f'i,``$f''i)') |
| |
| |
| dnl Usage: DATASTART(name) |
| dnl DATAEND() |
| |
| define(`DATASTART', |
| m4_assert_numargs(1) |
| ` DATA |
| $1:') |
| define(`DATAEND', |
| m4_assert_numargs(0) |
| ) |
| |
| dnl Load a symbolic address into a register |
| define(`LEA', |
| m4_assert_numargs(2) |
| `lda $1, $2') |
| |
| dnl Usage: ASM_END() |
| define(`ASM_END', |
| m4_assert_numargs(0) |
| ) |
| |
| divert |
