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/* Tests some basic unordered fpu compare instructions.
Copyright (C) 2019-2020 Free Software Foundation, Inc.
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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */
# mach: or1k
# output: report(0x40490fd0);\n
# output: report(0x402df84d);\n
# output: report(0x7fc00000);\n
# output: \n
# output: report(0x00000001);\n
# output: \n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00000001);\n
# output: \n
# output: report(0x00000001);\n
# output: \n
# output: exit(0)\n
#include "or1k-asm-test-helpers.h"
STANDARD_TEST_ENVIRONMENT
.section .data
.align 4
.type pi, @object
.size pi, 4
anchor:
pi:
.float 3.14159
.type e, @object
.size e, 4
e:
.float 2.71828
.section .text
start_tests:
PUSH LINK_REGISTER_R9
/* Test unordered float comparisons. Setting up:
* r11 pointer to data
* r12 pi as float
* r13 e as float
* r16 nan as float
*/
l.ori r11, r0, ha(anchor)
l.addi r11, r11, lo(anchor)
l.lwz r12, 0(r11)
l.lwz r13, 4(r11)
/* Make a NaN. */
lf.sub.s r16, r13, r13
lf.div.s r16, r16, r16
/* Output to ensure we loaded it correctly. */
REPORT_REG_TO_CONSOLE r12
REPORT_REG_TO_CONSOLE r13
REPORT_REG_TO_CONSOLE r16
PRINT_NEWLINE_TO_CONSOLE
lf.sfuge.s r12, r13
MOVE_FROM_SPR r2, SPR_SR
REPORT_BIT_TO_CONSOLE r2, SPR_SR_F
PRINT_NEWLINE_TO_CONSOLE
lf.sfun.s r12, r13
MOVE_FROM_SPR r2, SPR_SR
REPORT_BIT_TO_CONSOLE r2, SPR_SR_F
PRINT_NEWLINE_TO_CONSOLE
lf.sfun.s r12, r16
MOVE_FROM_SPR r2, SPR_SR
REPORT_BIT_TO_CONSOLE r2, SPR_SR_F
PRINT_NEWLINE_TO_CONSOLE
lf.sfueq.s r12, r12
MOVE_FROM_SPR r2, SPR_SR
REPORT_BIT_TO_CONSOLE r2, SPR_SR_F
PRINT_NEWLINE_TO_CONSOLE
POP LINK_REGISTER_R9
RETURN_TO_LINK_REGISTER_R9
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