[thirdparty/binutils-gdb.git] / sim / testsuite / sim / mips / utils-fpu.inc

# MIPS simulator testsuite FPU utility functions.
# Copyright (C) 2004, 2007 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
Commit	Line	Data
cdc89eb2	1	# MIPS simulator testsuite FPU utility functions.
6aba47ca	2	# Copyright (C) 2004, 2007 Free Software Foundation, Inc.
cdc89eb2 CD	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
adad0f8a CD	21	.macro enable_fpu fr
	22	mfc0 $20, $12
	23	or $20, $20, (1 << 29) \| (\fr << 26)
	24	mtc0 $20, $20
	25	.endm
	26
cdc89eb2 CD	27	###
	28	### Data movement macros
	29	###
	30
	31	.macro ld_fp_df r, v
	32	.data
	33	1: .double \v
	34	.previous
	35	ldc1 \r, 1b
	36	.endm
	37
	38	.macro ld_fp_di r, v
	39	.data
	40	1: .dword \v
	41	.previous
	42	ldc1 \r, 1b
	43	.endm
	44
	45	.macro ld_fp_sf r, v
	46	.data
	47	1: .float \v
	48	.previous
	49	lwc1 \r, 1b
	50	.endm
	51
	52	.macro ld_fp_si r, v
	53	.data
	54	1: .word \v
	55	.previous
	56	lwc1 \r, 1b
	57	.endm
	58
	59
	60	###
	61	### FP condition code manipulation macros
	62	###
	63
	64	.macro clrset_fp_cc clr, set
	65	cfc1 $20, $31
adad0f8a CD	66	or $20, $20, (((\clr & 0xfe) << 24) \| ((\clr & 0x01) << 23))
	67	xor $20, $20, (((\clr & 0xfe) << 24) \| ((\clr & 0x01) << 23))
	68	or $20, $20, (((\set & 0xfe) << 24) \| ((\set & 0x01) << 23))
cdc89eb2 CD	69	ctc1 $20, $31
	70	.endm
	71
	72	.macro clr_fp_cc clr
	73	clrset_fp_cc \clr, 0
	74	.endm
	75
	76	.macro set_fp_cc set
	77	clrset_fp_cc 0, \set
	78	.endm
	79
	80	.macro get_fp_cc r
	81	.set push
	82	.set noat
	83	cfc1 $1, $31
	84	srl $1, $1, 23
	85	andi \r, $1, 0x1fc
	86	andi $1, $1, 0x1
	87	srl \r, \r, 1
	88	or \r, \r, $1
	89	.set pop
	90	.endm
	91
	92	.macro ck_fp_cc v
	93	get_fp_cc $20
	94	xori $20, $20, \v
	95	bnez $20, _fail
	96	nop
	97	.endm
adad0f8a CD	98
	99	.macro ckm_fp_cc v, mask
	100	get_fp_cc $20
	101	xori $20, $20, \v
	102	andi $20, $20, \mask
	103	bnez $20, _fail
	104	nop
	105	.endm