projects / thirdparty / binutils-gdb.git / blame
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|---|---|---|
| cdc89eb2 | 1 | # MIPS simulator testsuite FPU utility functions. |
| e4d013fc | 2 | # Copyright (C) 2004, 2007, 2008, 2009 Free Software Foundation, Inc. |
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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 | |
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9 | # the Free Software Foundation; either version 3 of the License, or |
| 10 | # (at your option) any later version. | |
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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 | # | |
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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/>. */ | |
| cdc89eb2 | 19 | |
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20 | .macro enable_fpu fr |
| 21 | mfc0 $20, $12 | |
| 22 | or $20, $20, (1 << 29) | (\fr << 26) | |
| 23 | mtc0 $20, $20 | |
| 24 | .endm | |
| 25 | ||
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26 | ### |
| 27 | ### Data movement macros | |
| 28 | ### | |
| 29 | ||
| 30 | .macro ld_fp_df r, v | |
| 31 | .data | |
| 32 | 1: .double \v | |
| 33 | .previous | |
| 34 | ldc1 \r, 1b | |
| 35 | .endm | |
| 36 | ||
| 37 | .macro ld_fp_di r, v | |
| 38 | .data | |
| 39 | 1: .dword \v | |
| 40 | .previous | |
| 41 | ldc1 \r, 1b | |
| 42 | .endm | |
| 43 | ||
| 44 | .macro ld_fp_sf r, v | |
| 45 | .data | |
| 46 | 1: .float \v | |
| 47 | .previous | |
| 48 | lwc1 \r, 1b | |
| 49 | .endm | |
| 50 | ||
| 51 | .macro ld_fp_si r, v | |
| 52 | .data | |
| 53 | 1: .word \v | |
| 54 | .previous | |
| 55 | lwc1 \r, 1b | |
| 56 | .endm | |
| 57 | ||
| 58 | ||
| 59 | ### | |
| 60 | ### FP condition code manipulation macros | |
| 61 | ### | |
| 62 | ||
| 63 | .macro clrset_fp_cc clr, set | |
| 64 | cfc1 $20, $31 | |
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65 | or $20, $20, (((\clr & 0xfe) << 24) | ((\clr & 0x01) << 23)) |
| 66 | xor $20, $20, (((\clr & 0xfe) << 24) | ((\clr & 0x01) << 23)) | |
| 67 | or $20, $20, (((\set & 0xfe) << 24) | ((\set & 0x01) << 23)) | |
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68 | ctc1 $20, $31 |
| 69 | .endm | |
| 70 | ||
| 71 | .macro clr_fp_cc clr | |
| 72 | clrset_fp_cc \clr, 0 | |
| 73 | .endm | |
| 74 | ||
| 75 | .macro set_fp_cc set | |
| 76 | clrset_fp_cc 0, \set | |
| 77 | .endm | |
| 78 | ||
| 79 | .macro get_fp_cc r | |
| 80 | .set push | |
| 81 | .set noat | |
| 82 | cfc1 $1, $31 | |
| 83 | srl $1, $1, 23 | |
| 84 | andi \r, $1, 0x1fc | |
| 85 | andi $1, $1, 0x1 | |
| 86 | srl \r, \r, 1 | |
| 87 | or \r, \r, $1 | |
| 88 | .set pop | |
| 89 | .endm | |
| 90 | ||
| 91 | .macro ck_fp_cc v | |
| 92 | get_fp_cc $20 | |
| 93 | xori $20, $20, \v | |
| 94 | bnez $20, _fail | |
| 95 | nop | |
| 96 | .endm | |
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97 | |
| 98 | .macro ckm_fp_cc v, mask | |
| 99 | get_fp_cc $20 | |
| 100 | xori $20, $20, \v | |
| 101 | andi $20, $20, \mask | |
| 102 | bnez $20, _fail | |
| 103 | nop | |
| 104 | .endm |