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- /* Tests the divide instructions.
- Copyright (C) 2017-2022 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(0x0000000c);\n
- # output: report(0x00000003);\n
- # output: report(0x00000004);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0x0000000b);\n
- # output: report(0x00000003);\n
- # output: report(0x00000003);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0xfffffff4);\n
- # output: report(0xfffffffd);\n
- # output: report(0x00000004);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0xfffffff5);\n
- # output: report(0xfffffffd);\n
- # output: report(0x00000003);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0xfffffff4);\n
- # output: report(0x00000003);\n
- # output: report(0xfffffffc);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0xfffffff5);\n
- # output: report(0x00000003);\n
- # output: report(0xfffffffd);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0x0000000c);\n
- # output: report(0xfffffffd);\n
- # output: report(0xfffffffc);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0x0000000b);\n
- # output: report(0xfffffffd);\n
- # output: report(0xfffffffd);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0x0000000c);\n
- # output: report(0x00000000);\n
- # output: report(0xfffffffd);\n
- # output: report(0x00000000);\n
- # output: report(0x00000001);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0xfffffff4);\n
- # output: report(0x00000000);\n
- # output: report(0xfffffffd);\n
- # output: report(0x00000000);\n
- # output: report(0x00000001);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0x0000000c);\n
- # output: report(0x00000000);\n
- # output: report(0xfffffffd);\n
- # output: report(0x00000000);\n
- # output: report(0x00000001);\n
- # output: report(0x00000001);\n
- # output: \n
- # output: report(0xfffffff4);\n
- # output: report(0x00000000);\n
- # output: report(0xfffffffd);\n
- # output: report(0x00000000);\n
- # output: report(0x00000001);\n
- # output: report(0x00000001);\n
- # output: \n
- # output: report(0x0000000c);\n
- # output: report(0x00000003);\n
- # output: report(0x00000004);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0x0000000b);\n
- # output: report(0x00000003);\n
- # output: report(0x00000003);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0xfffffff4);\n
- # output: report(0xfffffffd);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0xfffffff5);\n
- # output: report(0xfffffffd);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0xfffffff4);\n
- # output: report(0x00000003);\n
- # output: report(0x55555551);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0xfffffff5);\n
- # output: report(0x00000003);\n
- # output: report(0x55555551);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0x0000000c);\n
- # output: report(0xfffffffd);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0x0000000b);\n
- # output: report(0xfffffffd);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0x0000000c);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000001);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0xfffffff4);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000001);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: \n
- # output: report(0x0000000c);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000001);\n
- # output: report(0x00000000);\n
- # output: report(0x00000001);\n
- # output: \n
- # output: report(0xfffffff4);\n
- # output: report(0x00000000);\n
- # output: report(0x00000000);\n
- # output: report(0x00000001);\n
- # output: report(0x00000000);\n
- # output: report(0x00000001);\n
- # output: \n
- # output: exit(0)\n
- #include "or1k-asm-test-helpers.h"
- STANDARD_TEST_ENVIRONMENT
- .section .exception_vectors
- /* Range exception. */
- .org 0xb00
- l.addi r1, r1, -EXCEPTION_STACK_SKIP_SIZE
- PUSH r2
- PUSH r3
- /* Save the address of the instruction that caused the problem. */
- MOVE_FROM_SPR r2, SPR_EPCR_BASE
- LOAD_IMMEDIATE r3, 0x15000000 /* Opcode for l.nop */
- l.sw 0(r2), r3
- POP r3
- POP r2
- l.addi r1, r1, EXCEPTION_STACK_SKIP_SIZE
- l.rfe
- .section .text
- start_tests:
- PUSH LINK_REGISTER_R9
- /* Test l.div */
- /* Divide two positive numbers and check rounding. Should set no
- flags. */
- TEST_INST_I32_I32 l.div, 0x0000000c, 0x00000003 /* 12 / 3 = 4 */
- TEST_INST_I32_I32 l.div, 0x0000000b, 0x00000003 /* 11 / 3 = 3 */
- /* Divide two negative numbers and check rounding. Should set no
- flags. */
- TEST_INST_I32_I32 l.div, 0xfffffff4, 0xfffffffd
- TEST_INST_I32_I32 l.div, 0xfffffff5, 0xfffffffd
- /* Divide a negative number by a positive number and check
- rounding. Should set no flags. */
- TEST_INST_I32_I32 l.div, 0xfffffff4, 0x00000003
- TEST_INST_I32_I32 l.div, 0xfffffff5, 0x00000003
- /* Divide a positive number by a negative number and check
- rounding. Should set no flags. */
- TEST_INST_I32_I32 l.div, 0x0000000c, 0xfffffffd
- TEST_INST_I32_I32 l.div, 0x0000000b, 0xfffffffd
- /* Divide by zero. This will set the overflow flag. */
- TEST_INST_I32_I32 l.div, 0x0000000c, 0x00000000
- TEST_INST_I32_I32 l.div, 0xfffffff4, 0x00000000
- /* Check that range exceptions are triggered. */
- SET_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
- /* Divide by zero. This will set the overflow flag and trigger an
- exception. */
- TEST_INST_I32_I32 l.div, 0x0000000c, 0x00000000
- TEST_INST_I32_I32 l.div, 0xfffffff4, 0x00000000
- CLEAR_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
- /* Test l.divu */
- /* Divide two positive numbers and check rounding. Should set no
- flags. */
- TEST_INST_I32_I32 l.divu, 0x0000000c, 0x00000003
- TEST_INST_I32_I32 l.divu, 0x0000000b, 0x00000003
- /* Divide two numbers that would be negative under 2's complement
- and check rounding. Should set no flags. */
- TEST_INST_I32_I32 l.divu, 0xfffffff4, 0xfffffffd
- TEST_INST_I32_I32 l.divu, 0xfffffff5, 0xfffffffd
- /* Divide a number that would be negative under 2's complement by a
- number that would be positive under 2's complement and check
- rounding. This should set no flags. */
- TEST_INST_I32_I32 l.divu, 0xfffffff4, 0x00000003
- TEST_INST_I32_I32 l.divu, 0xfffffff5, 0x00000003
- /* Divide a number that would be positive under 2's complement by a
- number that would be negative under 2's complement and check
- rounding. This should set no flags. */
- TEST_INST_I32_I32 l.divu, 0x0000000c, 0xfffffffd
- TEST_INST_I32_I32 l.divu, 0x0000000b, 0xfffffffd
- /* Divide by zero. This will set the carry flag. */
- TEST_INST_I32_I32 l.divu, 0x0000000c, 0x00000000
- TEST_INST_I32_I32 l.divu, 0xfffffff4, 0x00000000
- /* Check that range exceptions are triggered. */
- SET_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
- /* Divide by zero. This will set the carry flag and trigger an
- exception. */
- TEST_INST_I32_I32 l.divu, 0x0000000c, 0x00000000
- TEST_INST_I32_I32 l.divu, 0xfffffff4, 0x00000000
- CLEAR_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
- POP LINK_REGISTER_R9
- RETURN_TO_LINK_REGISTER_R9
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