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|
/* Tests instructions l.add, l.addc, l.addi and l.addic.
Copyright (C) 2017-2024 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(0x00000001);\n
# output: report(0x00000002);\n
# output: report(0x00000003);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00000001);\n
# output: report(0x00000002);\n
# output: report(0x00000003);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xffffffff);\n
# output: report(0xfffffffe);\n
# output: report(0xfffffffd);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x40000000);\n
# output: report(0x3fffffff);\n
# output: report(0x7fffffff);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x40000000);\n
# output: report(0x40000000);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xc0000000);\n
# output: report(0xc0000000);\n
# output: report(0x80000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xbfffffff);\n
# output: report(0xbfffffff);\n
# output: report(0x7ffffffe);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x40000000);\n
# output: report(0x40000000);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: \n
# output: report(0xffffffff);\n
# output: report(0xfffffffe);\n
# output: report(0xfffffffd);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xbfffffff);\n
# output: report(0xbfffffff);\n
# output: report(0x7ffffffe);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: \n
# output: report(0x00000001);\n
# output: report(0x00000002);\n
# output: report(0x00000003);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xffffffff);\n
# output: report(0xfffffffe);\n
# output: report(0xfffffffd);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x40000000);\n
# output: report(0x3fffffff);\n
# output: report(0x7fffffff);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x40000000);\n
# output: report(0x3fffffff);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x40000000);\n
# output: report(0x40000000);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xffffffff);\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(0x00000000);\n
# output: report(0xffffffff);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xc0000000);\n
# output: report(0xc0000000);\n
# output: report(0x80000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xc0000000);\n
# output: report(0xbfffffff);\n
# output: report(0x80000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xbfffffff);\n
# output: report(0xbfffffff);\n
# output: report(0x7ffffffe);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x40000000);\n
# output: report(0x40000000);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: \n
# output: report(0x40000000);\n
# output: report(0x3fffffff);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: \n
# output: report(0xffffffff);\n
# output: report(0xfffffffe);\n
# output: report(0xfffffffd);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00000000);\n
# output: report(0xffffffff);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xbfffffff);\n
# output: report(0xbfffffff);\n
# output: report(0x7ffffffe);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: \n
# output: report(0x00000001);\n
# output: report(0x00000002);\n
# output: report(0x00000003);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00000001);\n
# output: report(0x00000002);\n
# output: report(0x00000003);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xffffffff);\n
# output: report(0x0000fffe);\n
# output: report(0xfffffffd);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x7fff8000);\n
# output: report(0x00007fff);\n
# output: report(0x7fffffff);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x7fffc000);\n
# output: report(0x00004000);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x80008000);\n
# output: report(0x00008000);\n
# output: report(0x80000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x80007fff);\n
# output: report(0x00008000);\n
# output: report(0x7fffffff);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x7fffc000);\n
# output: report(0x00004000);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: \n
# output: report(0xffffffff);\n
# output: report(0x0000fffe);\n
# output: report(0xfffffffd);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x80007fff);\n
# output: report(0x00008000);\n
# output: report(0x7fffffff);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: \n
# output: report(0x00000001);\n
# output: report(0x00000002);\n
# output: report(0x00000003);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xffffffff);\n
# output: report(0x0000fffe);\n
# output: report(0xfffffffd);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x7fff8000);\n
# output: report(0x00007fff);\n
# output: report(0x7fffffff);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x7fff8000);\n
# output: report(0x00007fff);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x7fffc000);\n
# output: report(0x00004000);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0xffffffff);\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(0x00000000);\n
# output: report(0x0000ffff);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x80008000);\n
# output: report(0x00008000);\n
# output: report(0x80000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x80007fff);\n
# output: report(0x00008000);\n
# output: report(0x80000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x80007fff);\n
# output: report(0x00008000);\n
# output: report(0x7fffffff);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x7fffc000);\n
# output: report(0x00004000);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: \n
# output: report(0x7fffc000);\n
# output: report(0x00003fff);\n
# output: report(0x80000000);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\n
# output: \n
# output: report(0xffffffff);\n
# output: report(0x0000fffe);\n
# output: report(0xfffffffd);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x00000000);\n
# output: report(0x0000ffff);\n
# output: report(0x00000000);\n
# output: report(0x00000001);\n
# output: report(0x00000000);\n
# output: report(0x00000000);\n
# output: \n
# output: report(0x80007fff);\n
# output: report(0x00008000);\n
# output: report(0x7fffffff);\n
# output: report(0x00000001);\n
# output: report(0x00000001);\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
/* The handling is a bit dubious at present. We just patch the
instruction with l.nop and restart. This will go wrong in branch
delay slots. But we don't have those in this test. */
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.add */
/* Add two small positive numbers */
TEST_INST_FF_I32_I32 0, SPR_SR_CY | SPR_SR_OV, l.add, 1, 2
/* The carry flag should be ignored. */
TEST_INST_FF_I32_I32 SPR_SR_CY, SPR_SR_OV, l.add, 1, 2
/* Add two small negative numbers, which should set the carry flag
but not the overflow flag. */
TEST_INST_FF_I32_I32 0, SPR_SR_CY | SPR_SR_OV, l.add, -1, -2
/* Add two quite large positive numbers. Should set neither the
overflow nor the carry flag. */
TEST_INST_FF_I32_I32 0, SPR_SR_CY | SPR_SR_OV, l.add, 0x40000000, \
0x3fffffff
/* Add two large positive numbers. Should set the overflow, but
not the carry flag. */
TEST_INST_FF_I32_I32 0, SPR_SR_CY | SPR_SR_OV, l.add, 0x40000000, \
0x40000000
/* Add two quite large negative numbers. Should set the carry, but
not the overflow flag. */
TEST_INST_FF_I32_I32 0, SPR_SR_CY | SPR_SR_OV, l.add, -1073741824, \
-1073741824 /* -1073741824 = 0xC0000000 */
/* Add two large negative numbers. Should set both the overflow
and carry flags. */
TEST_INST_FF_I32_I32 0, SPR_SR_CY | SPR_SR_OV, l.add, 0xbfffffff, \
0xbfffffff
/* Check that range exceptions are triggered. */
SET_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
/* Check that an overflow alone causes a RANGE Exception. */
TEST_INST_FF_I32_I32 0, SPR_SR_CY | SPR_SR_OV, l.add, 0x40000000, \
0x40000000
/* Check that a carry alone does not cause a RANGE Exception. */
TEST_INST_FF_I32_I32 0, SPR_SR_CY | SPR_SR_OV, l.add, 0xffffffff, \
0xfffffffe
/* Check that carry and overflow together cause an exception. */
TEST_INST_FF_I32_I32 0, SPR_SR_CY | SPR_SR_OV, l.add, 0xbfffffff, \
0xbfffffff
CLEAR_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
/* Test l.addc */
/* Add two small positive numbers */
TEST_INST_FF_I32_I32 0, SPR_SR_CY | SPR_SR_OV, l.addc, 1, 2
/* Add two small negative numbers. Sets the carry flag but not the
overflow flag. */
TEST_INST_FF_I32_I32 0, SPR_SR_CY | SPR_SR_OV, l.addc, -1, -2
/* Add two quite large positive numbers. Should set neither the
overflow nor the carry flag. */
TEST_INST_FF_I32_I32 0, SPR_SR_CY | SPR_SR_OV, l.addc, 0x40000000, \
0x3fffffff
/* Add two quite large positive numbers with a carry in. Should
set the overflow but not the carry flag. */
TEST_INST_FF_I32_I32 SPR_SR_CY, SPR_SR_OV, l.addc, 0x40000000, \
0x3fffffff
/* Add two large positive numbers. Should set the overflow, but
not the carry flag. */
TEST_INST_FF_I32_I32 0, SPR_SR_CY | SPR_SR_OV, l.addc, 0x40000000, \
0x40000000
/* Add the largest unsigned value to zero with a carry. This
potentially can break a simplistic test for carry that does not
consider the carry flag properly. Do it both ways around. */
TEST_INST_FF_I32_I32 SPR_SR_CY, SPR_SR_OV, l.addc, -1, 0
TEST_INST_FF_I32_I32 SPR_SR_CY, SPR_SR_OV, l.addc, 0, -1
/* Add two quite large negative numbers. Should set the carry, but
not the overflow flag. Here -1073741824 is 0xC0000000. */
TEST_INST_FF_I32_I32 0, SPR_SR_CY | SPR_SR_OV, l.addc, -1073741824, \
-1073741824
/* Add two quite large negative numbers that would overflow, with a
carry that just avoids the overflow. Should set the carry, but
not the overflow flag. Here -1073741824 is 0xC0000000 and
-1073741825 is 0xBFFFFFFF. */
TEST_INST_FF_I32_I32 SPR_SR_CY, SPR_SR_OV, l.addc, -1073741824, \
-1073741825
/* Add two large negative numbers. Should set both the overflow
and carry flags. */
TEST_INST_FF_I32_I32 0, SPR_SR_CY | SPR_SR_OV, l.addc, -1073741825, \
-1073741825
/* Check that range exceptions are triggered. */
SET_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
/* Check that an overflow alone causes a RANGE Exception, even when
it is the carry that causes the overflow. */
TEST_INST_FF_I32_I32 0, SPR_SR_CY | SPR_SR_OV, l.addc, 0x40000000, \
0x40000000
TEST_INST_FF_I32_I32 SPR_SR_CY, SPR_SR_OV, l.addc, 0x40000000, \
0x3fffffff
/* Check that a carry alone does not cause a RANGE Exception, even
when it is the carry that causes the overflow. */
TEST_INST_FF_I32_I32 0, SPR_SR_CY | SPR_SR_OV, l.addc, 0xffffffff, \
0xfffffffe
TEST_INST_FF_I32_I32 SPR_SR_CY, SPR_SR_OV, l.addc, 0x00000000, \
0xffffffff
/* Check that carry and overflow together cause an exception. */
TEST_INST_FF_I32_I32 0, SPR_SR_CY | SPR_SR_OV, l.addc, 0xbfffffff, \
0xbfffffff
CLEAR_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
/* Test l.addi */
/* Add two small positive numbers */
TEST_INST_FF_I32_I16 0, SPR_SR_CY | SPR_SR_OV, l.addi, 1, 2
/* Check carry in is ignored. */
TEST_INST_FF_I32_I16 SPR_SR_CY, SPR_SR_OV, l.addi, 1, 2
/* Add two small negative numbers. Sets the carry flag but not the
overflow flag. */
TEST_INST_FF_I32_I16 0, SPR_SR_CY | SPR_SR_OV, l.addi, 0xffffffff, \
0xfffe
/* Add two quite large positive numbers. Should set neither the
overflow nor the carry flag. */
TEST_INST_FF_I32_I16 0, SPR_SR_CY | SPR_SR_OV, l.addi, 0x7fff8000, \
0x7fff
/* Add two large positive numbers. Should set the overflow, but
not the carry flag. */
TEST_INST_FF_I32_I16 0, SPR_SR_CY | SPR_SR_OV, l.addi, 0x7fffc000, \
0x4000
/* Add two quite large negative numbers. Should set the carry, but
not the overflow flag. */
TEST_INST_FF_I32_I16 0, SPR_SR_CY | SPR_SR_OV, l.addi, 0x80008000, \
0x8000
/* Add two large negative numbers. Should set both the overflow
and carry flags. */
TEST_INST_FF_I32_I16 0, SPR_SR_CY | SPR_SR_OV, l.addi, 0x80007fff, \
0x8000
/* Check that range exceptions are triggered. */
SET_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
/* Check that an overflow alone causes a RANGE Exception. */
TEST_INST_FF_I32_I16 0, SPR_SR_CY | SPR_SR_OV, l.addi, 0x7fffc000, \
0x4000
/* Check that a carry alone does not cause a RANGE Exception. */
TEST_INST_FF_I32_I16 0, SPR_SR_CY | SPR_SR_OV, l.addi, 0xffffffff, \
0xfffe
/* Check that carry and overflow together cause an exception. */
TEST_INST_FF_I32_I16 0, SPR_SR_CY | SPR_SR_OV, l.addi, 0x80007fff, \
0x8000
CLEAR_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
/* Test l.addi */
/* Add two small positive numbers */
TEST_INST_FF_I32_I16 0, SPR_SR_CY | SPR_SR_OV, l.addic, 1, 2
/* Add two small negative numbers. Sets the carry flag but not the
overflow flag. */
TEST_INST_FF_I32_I16 0, SPR_SR_CY | SPR_SR_OV, l.addic, 0xffffffff, \
0xfffe
/* Add two quite large positive numbers. Should set neither the
overflow nor the carry flag. */
TEST_INST_FF_I32_I16 0, SPR_SR_CY | SPR_SR_OV, l.addic, 0x7fff8000, \
0x7fff
/* Add two quite large positive numbers with a carry in. Should
set the overflow but not the carry flag. */
TEST_INST_FF_I32_I16 SPR_SR_CY, SPR_SR_OV, l.addic, 0x7fff8000, 0x7fff
/* Add two large positive numbers. Should set the overflow, but
not the carry flag. */
TEST_INST_FF_I32_I16 0, SPR_SR_CY | SPR_SR_OV, l.addic, 0x7fffc000, \
0x4000
/* Add the largest unsigned value to zero with a carry. This
potentially can break a simplistic test for carry that does not
consider the carry flag properly. Do it both ways around. */
TEST_INST_FF_I32_I16 SPR_SR_CY, SPR_SR_OV, l.addic, 0xffffffff, 0x0000
TEST_INST_FF_I32_I16 SPR_SR_CY, SPR_SR_OV, l.addic, 0x00000000, 0xffff
/* Add two quite large negative numbers. Should set the carry, but
not the overflow flag. */
TEST_INST_FF_I32_I16 0, SPR_SR_CY | SPR_SR_OV, l.addic, 0x80008000, \
0x8000
/* Add two quite large negative numbers that would overflow, with a
carry that just avoids the overflow. This should set the carry,
but not the overflow flag. */
TEST_INST_FF_I32_I16 SPR_SR_CY, SPR_SR_OV, l.addic, 0x80007fff, 0x8000
/* Add two large negative numbers. Should set both the overflow
and carry flags. */
TEST_INST_FF_I32_I16 0, SPR_SR_CY | SPR_SR_OV, l.addic, 0x80007fff, \
0x8000
/* Check that range exceptions are triggered. */
SET_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
/* Check that an overflow alone causes a RANGE Exception, even when
it is the carry that causes the overflow. */
TEST_INST_FF_I32_I16 0, SPR_SR_CY | SPR_SR_OV, l.addic, 0x7fffc000, \
0x4000
TEST_INST_FF_I32_I16 SPR_SR_CY, SPR_SR_OV, l.addic, 0x7fffc000, 0x3fff
/* Check that a carry alone does not cause a RANGE Exception, even
when it is the carry that causes the overflow. */
TEST_INST_FF_I32_I16 0, SPR_SR_CY | SPR_SR_OV, l.addic, 0xffffffff, \
0xfffe
TEST_INST_FF_I32_I16 SPR_SR_CY, SPR_SR_OV, l.addic, 0x00000000, 0xffff
/* Check that carry and overflow together cause an exception. */
TEST_INST_FF_I32_I16 0, SPR_SR_CY | SPR_SR_OV, l.addic, 0x80007fff, \
0x8000
CLEAR_SPR_SR_FLAGS SPR_SR_OVE, r2, r3
POP LINK_REGISTER_R9
RETURN_TO_LINK_REGISTER_R9
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