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This commit is the result of running the gdb/copyright.py script, which automated the update of the copyright year range for all source files managed by the GDB project to be updated to include year 2023.
105 lines
2.0 KiB
PHP
105 lines
2.0 KiB
PHP
# MIPS simulator testsuite FPU utility functions.
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# Copyright (C) 2004-2023 Free Software Foundation, Inc.
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# Contributed by Chris Demetriou of Broadcom Corporation.
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#
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# This file is part of the GNU simulators.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>. */
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.macro enable_fpu fr
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mfc0 $20, $12
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or $20, $20, (1 << 29) | (\fr << 26)
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mtc0 $20, $20
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.endm
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###
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### Data movement macros
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###
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.macro ld_fp_df r, v
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.data
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1: .double \v
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.previous
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ldc1 \r, 1b
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.endm
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.macro ld_fp_di r, v
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.data
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1: .dword \v
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.previous
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ldc1 \r, 1b
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.endm
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.macro ld_fp_sf r, v
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.data
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1: .float \v
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.previous
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lwc1 \r, 1b
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.endm
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.macro ld_fp_si r, v
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.data
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1: .word \v
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.previous
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lwc1 \r, 1b
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.endm
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###
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### FP condition code manipulation macros
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###
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.macro clrset_fp_cc clr, set
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cfc1 $20, $31
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or $20, $20, (((\clr & 0xfe) << 24) | ((\clr & 0x01) << 23))
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xor $20, $20, (((\clr & 0xfe) << 24) | ((\clr & 0x01) << 23))
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or $20, $20, (((\set & 0xfe) << 24) | ((\set & 0x01) << 23))
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ctc1 $20, $31
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.endm
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.macro clr_fp_cc clr
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clrset_fp_cc \clr, 0
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.endm
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.macro set_fp_cc set
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clrset_fp_cc 0, \set
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.endm
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.macro get_fp_cc r
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.set push
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.set noat
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cfc1 $1, $31
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srl $1, $1, 23
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andi \r, $1, 0x1fc
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andi $1, $1, 0x1
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srl \r, \r, 1
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or \r, \r, $1
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.set pop
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.endm
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.macro ck_fp_cc v
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get_fp_cc $20
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xori $20, $20, \v
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bnez $20, _fail
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nop
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.endm
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.macro ckm_fp_cc v, mask
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get_fp_cc $20
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xori $20, $20, \v
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andi $20, $20, \mask
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bnez $20, _fail
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nop
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.endm
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