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+/* Tests the divide instructions.
+
+ Copyright (C) 2017 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(0x00000001);\n
+# output: report(0x00000000);\n
+# output: report(0x00000000);\n
+# output: \n
+# output: report(0xfffffff4);\n
+# output: report(0x00000000);\n
+# output: report(0xfffffffd);\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(0xfffffffd);\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(0xfffffffd);\n
+# output: report(0x00000001);\n
+# output: report(0x00000000);\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 carry 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 carry 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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