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

   1 # MIPS simulator testsuite MDMX utility functions.
   2 # Copyright (C) 2004-2013 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 3 of the License, or
  10 # (at your option) 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
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  19
  20         .include "utils-fpu.inc"
  21
  22         ###
  23         ### Shared macros
  24         ###
  25
  26         # Enable MDMX: enable the FPU w/ FR=1, then set Status.MX
  27         .macro  enable_mdmx
  28         enable_fpu 1
  29         mfc0    $20, $12
  30         or      $20, $20, (1 << 24)
  31         mtc0    $20, $12
  32         .endm
  33
  34
  35         ###
  36         ### .OB-format macros
  37         ###
  38
  39         .macro ld_ob r, v
  40         .data
  41 1:      .dword  \v
  42         .previous
  43         ldc1    \r, 1b
  44         .endm
  45
  46         .macro ck_ob r, v
  47         .data
  48 1:      .dword  \v
  49         .previous
  50         dmfc1   $20, \r
  51         ld      $21, 1b
  52         bne     $20, $21, _fail
  53          nop
  54         .endm
  55
  56         .macro ld_acc_ob h, m, l
  57         ld_ob   $f20, \m
  58         ld_ob   $f21, \l
  59         wacl.ob $f20, $f21
  60         ld_ob   $f20, \h
  61         wach.ob $f20
  62         .endm
  63
  64         .macro ck_acc_ob h, m, l
  65         rach.ob $f20
  66         ck_ob   $f20, \h
  67         racm.ob $f20
  68         ck_ob   $f20, \m
  69         racl.ob $f20
  70         ck_ob   $f20, \l
  71         .endm