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Diffstat (limited to 'sim/testsuite/sim/mips/utils-fpu.inc')
-rw-r--r-- | sim/testsuite/sim/mips/utils-fpu.inc | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/sim/testsuite/sim/mips/utils-fpu.inc b/sim/testsuite/sim/mips/utils-fpu.inc new file mode 100644 index 00000000000..82feb61ce9d --- /dev/null +++ b/sim/testsuite/sim/mips/utils-fpu.inc @@ -0,0 +1,105 @@ +# MIPS simulator testsuite FPU utility functions. +# Copyright (C) 2004 Free Software Foundation, Inc. +# Contributed by Chris Demetriou of Broadcom Corporation. +# +# This file is part of the GNU simulators. +# +# This program 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 2, or (at your option) +# any later version. +# +# This program 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. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + + .macro enable_fpu fr + mfc0 $20, $12 + or $20, $20, (1 << 29) | (\fr << 26) + mtc0 $20, $20 + .endm + + ### + ### Data movement macros + ### + + .macro ld_fp_df r, v + .data +1: .double \v + .previous + ldc1 \r, 1b + .endm + + .macro ld_fp_di r, v + .data +1: .dword \v + .previous + ldc1 \r, 1b + .endm + + .macro ld_fp_sf r, v + .data +1: .float \v + .previous + lwc1 \r, 1b + .endm + + .macro ld_fp_si r, v + .data +1: .word \v + .previous + lwc1 \r, 1b + .endm + + + ### + ### FP condition code manipulation macros + ### + + .macro clrset_fp_cc clr, set + cfc1 $20, $31 + or $20, $20, (((\clr & 0xfe) << 24) | ((\clr & 0x01) << 23)) + xor $20, $20, (((\clr & 0xfe) << 24) | ((\clr & 0x01) << 23)) + or $20, $20, (((\set & 0xfe) << 24) | ((\set & 0x01) << 23)) + ctc1 $20, $31 + .endm + + .macro clr_fp_cc clr + clrset_fp_cc \clr, 0 + .endm + + .macro set_fp_cc set + clrset_fp_cc 0, \set + .endm + + .macro get_fp_cc r + .set push + .set noat + cfc1 $1, $31 + srl $1, $1, 23 + andi \r, $1, 0x1fc + andi $1, $1, 0x1 + srl \r, \r, 1 + or \r, \r, $1 + .set pop + .endm + + .macro ck_fp_cc v + get_fp_cc $20 + xori $20, $20, \v + bnez $20, _fail + nop + .endm + + .macro ckm_fp_cc v, mask + get_fp_cc $20 + xori $20, $20, \v + andi $20, $20, \mask + bnez $20, _fail + nop + .endm |