derek.holloway
7502bf64a4
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292 lines
8.8 KiB
ArmAsm
292 lines
8.8 KiB
ArmAsm
/* Tests the divide instructions.
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Copyright (C) 2017-2024 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(0x0000000c);\n
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# output: report(0x00000003);\n
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# output: report(0x00000004);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0x0000000b);\n
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# output: report(0x00000003);\n
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# output: report(0x00000003);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0xfffffff4);\n
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# output: report(0xfffffffd);\n
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# output: report(0x00000004);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0xfffffff5);\n
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# output: report(0xfffffffd);\n
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# output: report(0x00000003);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0xfffffff4);\n
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# output: report(0x00000003);\n
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# output: report(0xfffffffc);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0xfffffff5);\n
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# output: report(0x00000003);\n
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# output: report(0xfffffffd);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0x0000000c);\n
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# output: report(0xfffffffd);\n
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# output: report(0xfffffffc);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0x0000000b);\n
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# output: report(0xfffffffd);\n
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# output: report(0xfffffffd);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0x0000000c);\n
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# output: report(0x00000000);\n
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# output: report(0xfffffffd);\n
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# output: report(0x00000000);\n
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# output: report(0x00000001);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0xfffffff4);\n
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# output: report(0x00000000);\n
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# output: report(0xfffffffd);\n
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# output: report(0x00000000);\n
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# output: report(0x00000001);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0x0000000c);\n
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# output: report(0x00000000);\n
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# output: report(0xfffffffd);\n
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# output: report(0x00000000);\n
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# output: report(0x00000001);\n
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# output: report(0x00000001);\n
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# output: \n
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# output: report(0xfffffff4);\n
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# output: report(0x00000000);\n
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# output: report(0xfffffffd);\n
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# output: report(0x00000000);\n
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# output: report(0x00000001);\n
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# output: report(0x00000001);\n
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# output: \n
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# output: report(0x0000000c);\n
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# output: report(0x00000003);\n
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# output: report(0x00000004);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0x0000000b);\n
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# output: report(0x00000003);\n
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# output: report(0x00000003);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0xfffffff4);\n
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# output: report(0xfffffffd);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0xfffffff5);\n
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# output: report(0xfffffffd);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0xfffffff4);\n
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# output: report(0x00000003);\n
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# output: report(0x55555551);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0xfffffff5);\n
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# output: report(0x00000003);\n
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# output: report(0x55555551);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0x0000000c);\n
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# output: report(0xfffffffd);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0x0000000b);\n
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# output: report(0xfffffffd);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0x0000000c);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000001);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0xfffffff4);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000001);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: \n
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# output: report(0x0000000c);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000001);\n
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# output: report(0x00000000);\n
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# output: report(0x00000001);\n
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# output: \n
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# output: report(0xfffffff4);\n
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# output: report(0x00000000);\n
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# output: report(0x00000000);\n
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# output: report(0x00000001);\n
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# output: report(0x00000000);\n
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# output: report(0x00000001);\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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/* Range exception. */
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.org 0xb00
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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 0(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 .text
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start_tests:
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PUSH LINK_REGISTER_R9
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/* Test l.div */
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/* Divide two positive numbers and check rounding. Should set no
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flags. */
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TEST_INST_I32_I32 l.div, 0x0000000c, 0x00000003 /* 12 / 3 = 4 */
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TEST_INST_I32_I32 l.div, 0x0000000b, 0x00000003 /* 11 / 3 = 3 */
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/* Divide two negative numbers and check rounding. Should set no
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flags. */
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TEST_INST_I32_I32 l.div, 0xfffffff4, 0xfffffffd
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TEST_INST_I32_I32 l.div, 0xfffffff5, 0xfffffffd
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/* Divide a negative number by a positive number and check
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rounding. Should set no flags. */
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TEST_INST_I32_I32 l.div, 0xfffffff4, 0x00000003
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TEST_INST_I32_I32 l.div, 0xfffffff5, 0x00000003
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/* Divide a positive number by a negative number and check
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rounding. Should set no flags. */
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TEST_INST_I32_I32 l.div, 0x0000000c, 0xfffffffd
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TEST_INST_I32_I32 l.div, 0x0000000b, 0xfffffffd
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/* Divide by zero. This will set the overflow flag. */
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TEST_INST_I32_I32 l.div, 0x0000000c, 0x00000000
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TEST_INST_I32_I32 l.div, 0xfffffff4, 0x00000000
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/* Check that range exceptions are triggered. */
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SET_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
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/* Divide by zero. This will set the overflow flag and trigger an
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exception. */
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TEST_INST_I32_I32 l.div, 0x0000000c, 0x00000000
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TEST_INST_I32_I32 l.div, 0xfffffff4, 0x00000000
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CLEAR_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
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/* Test l.divu */
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/* Divide two positive numbers and check rounding. Should set no
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flags. */
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TEST_INST_I32_I32 l.divu, 0x0000000c, 0x00000003
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TEST_INST_I32_I32 l.divu, 0x0000000b, 0x00000003
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/* Divide two numbers that would be negative under 2's complement
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and check rounding. Should set no flags. */
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TEST_INST_I32_I32 l.divu, 0xfffffff4, 0xfffffffd
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TEST_INST_I32_I32 l.divu, 0xfffffff5, 0xfffffffd
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/* Divide a number that would be negative under 2's complement by a
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number that would be positive under 2's complement and check
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rounding. This should set no flags. */
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TEST_INST_I32_I32 l.divu, 0xfffffff4, 0x00000003
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TEST_INST_I32_I32 l.divu, 0xfffffff5, 0x00000003
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/* Divide a number that would be positive under 2's complement by a
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number that would be negative under 2's complement and check
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rounding. This should set no flags. */
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TEST_INST_I32_I32 l.divu, 0x0000000c, 0xfffffffd
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TEST_INST_I32_I32 l.divu, 0x0000000b, 0xfffffffd
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/* Divide by zero. This will set the carry flag. */
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TEST_INST_I32_I32 l.divu, 0x0000000c, 0x00000000
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TEST_INST_I32_I32 l.divu, 0xfffffff4, 0x00000000
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/* Check that range exceptions are triggered. */
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SET_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
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/* Divide by zero. This will set the carry flag and trigger an
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exception. */
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TEST_INST_I32_I32 l.divu, 0x0000000c, 0x00000000
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TEST_INST_I32_I32 l.divu, 0xfffffff4, 0x00000000
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CLEAR_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
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POP LINK_REGISTER_R9
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RETURN_TO_LINK_REGISTER_R9
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