1 /* Tests some basic unordered fpu compare instructions. 2 3 Copyright (C) 2019-2024 Free Software Foundation, Inc. 4 5 This program is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. */ 17 18 # mach: or1k 19 # output: report(0x400921f9);\n 20 # output: report(0xf01b866e);\n 21 # output: report(0x4005bf09);\n 22 # output: report(0x95aaf790);\n 23 # output: report(0x7ff80000);\n 24 # output: report(0x00000000);\n 25 # output: \n 26 # output: report(0x00000001);\n 27 # output: \n 28 # output: report(0x00000000);\n 29 # output: \n 30 # output: report(0x00000001);\n 31 # output: \n 32 # output: exit(0)\n 33 34 #include "or1k-asm-test-helpers.h" 35 36 STANDARD_TEST_ENVIRONMENT 37 38 .section .data 39 .align 4 40 .type pi, @object 41 .size pi, 8 42 anchor: 43 pi: 44 .double 3.14159 45 46 .type e, @object 47 .size e, 8 48 e: 49 .double 2.71828 50 51 .section .text 52 start_tests: 53 PUSH LINK_REGISTER_R9 54 55 /* Test unordered double comparisons. Setting up: 56 * r11 pointer to data 57 * r12,r13 pi as double 58 * r14,r15 e as double 59 * r16,r17 nan as double 60 */ 61 l.movhi r11, ha(anchor) 62 l.addi r11, r11, lo(anchor) 63 l.lwz r12, 0(r11) 64 l.lwz r13, 4(r11) 65 66 l.lwz r14, 8(r11) 67 l.lwz r15, 12(r11) 68 69 /* Make a NaN. */ 70 lf.sub.d r16,r18, r12,r13, r12,r13 71 lf.div.d r16,r18, r16,r18, r16,r18 72 73 /* Output to ensure we loaded it correctly. */ 74 REPORT_REG_TO_CONSOLE r12 75 REPORT_REG_TO_CONSOLE r13 76 77 REPORT_REG_TO_CONSOLE r14 78 REPORT_REG_TO_CONSOLE r15 79 80 REPORT_REG_TO_CONSOLE r16 81 REPORT_REG_TO_CONSOLE r18 82 PRINT_NEWLINE_TO_CONSOLE 83 84 lf.sfuge.d r12,r13, r14,r15 85 MOVE_FROM_SPR r2, SPR_SR 86 REPORT_BIT_TO_CONSOLE r2, SPR_SR_F 87 PRINT_NEWLINE_TO_CONSOLE 88 89 lf.sfun.d r12,r13, r14,r15 90 MOVE_FROM_SPR r2, SPR_SR 91 REPORT_BIT_TO_CONSOLE r2, SPR_SR_F 92 PRINT_NEWLINE_TO_CONSOLE 93 94 lf.sfun.d r12,r13, r16,r18 95 MOVE_FROM_SPR r2, SPR_SR 96 REPORT_BIT_TO_CONSOLE r2, SPR_SR_F 97 PRINT_NEWLINE_TO_CONSOLE 98 99 POP LINK_REGISTER_R9 100 RETURN_TO_LINK_REGISTER_R9 101
Indexes created Sun Apr 19 00:22:55 UTC 2026