sim/testsuite/sim/mips/utils-mdmx.inc

   1 # MIPS simulator testsuite MDMX utility functions.
   2 # Copyright (C) 2004, 2007 Free Software Foundation, Inc.
   3 # Contributed by Chris Demetriou of Broadcom Corporation.
   4 #
   5 # This file is part of the GNU simulators.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 2, or (at your option)
  10 # any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License along
  18 # with this program; if not, write to the Free Software Foundation, Inc.,
  19 # 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21         .include "utils-fpu.inc"
  22
  23         ###
  24         ### Shared macros
  25         ###
  26
  27         # Enable MDMX: enable the FPU w/ FR=1, then set Status.MX
  28         .macro  enable_mdmx
  29         enable_fpu 1
  30         mfc0    $20, $12
  31         or      $20, $20, (1 << 24)
  32         mtc0    $20, $12
  33         .endm
  34
  35
  36         ###
  37         ### .OB-format macros
  38         ###
  39
  40         .macro ld_ob r, v
  41         .data
  42 1:      .dword  \v
  43         .previous
  44         ldc1    \r, 1b
  45         .endm
  46
  47         .macro ck_ob r, v
  48         .data
  49 1:      .dword  \v
  50         .previous
  51         dmfc1   $20, \r
  52         ld      $21, 1b
  53         bne     $20, $21, _fail
  54          nop
  55         .endm
  56
  57         .macro ld_acc_ob h, m, l
  58         ld_ob   $f20, \m
  59         ld_ob   $f21, \l
  60         wacl.ob $f20, $f21
  61         ld_ob   $f20, \h
  62         wach.ob $f20
  63         .endm
  64
  65         .macro ck_acc_ob h, m, l
  66         rach.ob $f20
  67         ck_ob   $f20, \h
  68         racm.ob $f20
  69         ck_ob   $f20, \m
  70         racl.ob $f20
  71         ck_ob   $f20, \l
  72         .endm