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4a94e36819
This commit brings all the changes made by running gdb/copyright.py as per GDB's Start of New Year Procedure. For the avoidance of doubt, all changes in this commits were performed by the script.
173 lines
4.2 KiB
ArmAsm
173 lines
4.2 KiB
ArmAsm
/* Tests some basic fpu instructions.
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Copyright (C) 2019-2022 Free Software Foundation, Inc.
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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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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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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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# mach: or1k
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# output: report(0x400921f9);\n
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# output: report(0xf01b866e);\n
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# output: report(0x4005bf09);\n
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# output: report(0x95aaf790);\n
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# output: report(0x00000000);\n
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# output: report(0x00001234);\n
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# output: \n
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# output: report(0x40b23400);\n
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# output: report(0x00000000);\n
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# output: report(0x40b23400);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0x40177081);\n
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# output: report(0xc2e33eff);\n
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# output: report(0x400921f9);\n
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# output: report(0xf01b866e);\n
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# output: \n
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# output: report(0x40211456);\n
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# output: report(0x587dfabf);\n
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# output: report(0x400921f9);\n
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# output: report(0xf01b866d);\n
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# output: \n
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# output: report(0x00000001);\n
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# output: \n
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# output: WARNING: ignoring fpu error caught in fast mode.\n
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# output: report(0x00000000);\n
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# output: \n
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# output: exit(0)\n
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#include "or1k-asm-test-helpers.h"
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STANDARD_TEST_ENVIRONMENT
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.section .exception_vectors
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/* Floating point exception. */
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.org 0xd00
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/* The handling is a bit dubious at present. We just patch the
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instruction with l.nop and restart. This will go wrong in branch
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delay slots. But we don't have those in this test. */
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l.addi r1, r1, -EXCEPTION_STACK_SKIP_SIZE
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PUSH r2
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PUSH r3
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/* Save the address of the instruction that caused the problem. */
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MOVE_FROM_SPR r2, SPR_EPCR_BASE
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LOAD_IMMEDIATE r3, 0x15000000 /* Opcode for l.nop */
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l.sw -4(r2), r3
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POP r3
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POP r2
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l.addi r1, r1, EXCEPTION_STACK_SKIP_SIZE
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l.rfe
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.section .data
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.align 4
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.type pi, @object
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.size pi, 8
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anchor:
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pi:
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.double 3.14159
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.type e, @object
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.size e, 8
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e:
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.double 2.71828
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.type large, @object
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.size large, 8
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large:
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.long 0
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.long 0x1234
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.section .text
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start_tests:
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PUSH LINK_REGISTER_R9
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/* Test lf.itof.d int to double conversion. Setting up:
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* r11 pointer to data
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* r12,r13 pi as double
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* r14,r15 e as double
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* r16,r17 a long long
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*/
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l.ori r11, r0, ha(anchor)
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l.addi r11, r11, lo(anchor)
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l.lwz r12, 0(r11)
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l.lwz r13, 4(r11)
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l.lwz r14, 8(r11)
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l.lwz r15, 12(r11)
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l.lwz r16, 16(r11)
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l.lwz r18, 20(r11)
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/* Output to ensure we loaded it correctly. */
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REPORT_REG_TO_CONSOLE r12
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REPORT_REG_TO_CONSOLE r13
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REPORT_REG_TO_CONSOLE r14
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REPORT_REG_TO_CONSOLE r15
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REPORT_REG_TO_CONSOLE r16
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REPORT_REG_TO_CONSOLE r18
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PRINT_NEWLINE_TO_CONSOLE
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/* Convert the big long to a double. */
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lf.itof.d r16,r18, r16,r18
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REPORT_REG_TO_CONSOLE r16
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REPORT_REG_TO_CONSOLE r18
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/* Convert the double back to a long, it should match before. */
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lf.ftoi.d r16,r18, r16,r18
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lf.itof.d r16,r18, r16,r18
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REPORT_REG_TO_CONSOLE r16
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REPORT_REG_TO_CONSOLE r18
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PRINT_NEWLINE_TO_CONSOLE
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/* Add and subtract some double values. */
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lf.add.d r12,r13, r12,r13, r14,r15
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REPORT_REG_TO_CONSOLE r12
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REPORT_REG_TO_CONSOLE r13
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lf.sub.d r12,r13, r12,r13, r14,r15
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REPORT_REG_TO_CONSOLE r12
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REPORT_REG_TO_CONSOLE r13
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PRINT_NEWLINE_TO_CONSOLE
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/* Multiply and divide double values. */
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lf.mul.d r12,r13, r12,r13, r14,r15
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REPORT_REG_TO_CONSOLE r12
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REPORT_REG_TO_CONSOLE r13
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lf.div.d r12,r13, r12,r13, r14,r15
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REPORT_REG_TO_CONSOLE r12
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REPORT_REG_TO_CONSOLE r13
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PRINT_NEWLINE_TO_CONSOLE
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/* Test lf.sfge.s set flag if r6 >= r10. */
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lf.sfge.d r12,r13, r14,r15
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MOVE_FROM_SPR r2, SPR_SR
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REPORT_BIT_TO_CONSOLE r2, SPR_SR_F
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PRINT_NEWLINE_TO_CONSOLE
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/* Test raising an exception by dividing by 0. */
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MOVE_FROM_SPR r2, SPR_FPCSR
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l.ori r2, r2, 0x1
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MOVE_TO_SPR SPR_FPCSR, r2
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div0: lf.div.d r2,r3, r12,r13, r0,r1
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REPORT_EXCEPTION div0
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PRINT_NEWLINE_TO_CONSOLE
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POP LINK_REGISTER_R9
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RETURN_TO_LINK_REGISTER_R9
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