| /* Tests the multiply instructions. |
| |
| Copyright (C) 2017-2021 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(0x00000002);\n |
| # output: report(0x00000003);\n |
| # output: report(0x00000006);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0x00008001);\n |
| # output: report(0x0000fffe);\n |
| # output: report(0x7ffffffe);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0x00008000);\n |
| # output: report(0x00010000);\n |
| # output: report(0x80000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0x00010000);\n |
| # output: report(0x00010000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0xfffffffe);\n |
| # output: report(0xfffffffd);\n |
| # output: report(0x00000006);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0xffff7fff);\n |
| # output: report(0xffff0002);\n |
| # output: report(0x7ffffffe);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0xffff7fff);\n |
| # output: report(0xffff0000);\n |
| # output: report(0x80010000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0xffff0000);\n |
| # output: report(0xfffeffff);\n |
| # output: report(0x00010000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0x00000002);\n |
| # output: report(0xfffffffd);\n |
| # output: report(0xfffffffa);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0xffff8000);\n |
| # output: report(0x00010000);\n |
| # output: report(0x80000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0xffff7fff);\n |
| # output: report(0x00010000);\n |
| # output: report(0x7fff0000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0x80000000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x80000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0x00008000);\n |
| # output: report(0x00010000);\n |
| # output: report(0x80000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000001);\n |
| # output: \n |
| # output: report(0x00000002);\n |
| # output: report(0xfffffffd);\n |
| # output: report(0xfffffffa);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0xffff7fff);\n |
| # output: report(0xffff0000);\n |
| # output: report(0x80010000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000001);\n |
| # output: \n |
| # output: report(0x00000002);\n |
| # output: report(0x00000003);\n |
| # output: report(0x00000006);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0x00010002);\n |
| # output: report(0x00007fff);\n |
| # output: report(0x7ffffffe);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0x00020000);\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(0x00040000);\n |
| # output: report(0x00004000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0xfffffffe);\n |
| # output: report(0x0000fffd);\n |
| # output: report(0x00000006);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0xfffefffe);\n |
| # output: report(0x00008001);\n |
| # output: report(0x7ffffffe);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0xfffe0000);\n |
| # output: report(0x0000bfff);\n |
| # output: report(0x80020000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0xfffdfffe);\n |
| # output: report(0x00008000);\n |
| # output: report(0x00010000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0x00000002);\n |
| # output: report(0x0000fffd);\n |
| # output: report(0xfffffffa);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0x00010000);\n |
| # output: report(0x00008000);\n |
| # output: report(0x80000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0xfffdfffc);\n |
| # output: report(0x00004000);\n |
| # output: report(0x7fff0000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0x80000000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x80000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0x00020000);\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(0xfffffffe);\n |
| # output: report(0x0000fffd);\n |
| # output: report(0x00000006);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0xfffdfffe);\n |
| # output: report(0x00008000);\n |
| # output: report(0x00010000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000001);\n |
| # output: \n |
| # output: report(0x00000002);\n |
| # output: report(0x00000003);\n |
| # output: report(0x00000006);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0x00008001);\n |
| # output: report(0x0000fffe);\n |
| # output: report(0x7ffffffe);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0x00008000);\n |
| # output: report(0x00010000);\n |
| # output: report(0x80000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0x00010000);\n |
| # output: report(0x00010000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0xfffffffe);\n |
| # output: report(0xfffffffd);\n |
| # output: report(0x00000006);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0xffff7fff);\n |
| # output: report(0xffff0002);\n |
| # output: report(0x7ffffffe);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0xffff7fff);\n |
| # output: report(0xffff0000);\n |
| # output: report(0x80010000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0xffff0000);\n |
| # output: report(0xfffeffff);\n |
| # output: report(0x00010000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0x00000002);\n |
| # output: report(0xfffffffd);\n |
| # output: report(0xfffffffa);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0xffff8000);\n |
| # output: report(0x00010000);\n |
| # output: report(0x80000000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0xffff7fff);\n |
| # output: report(0x00010000);\n |
| # output: report(0x7fff0000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0x80000000);\n |
| # output: report(0x00000001);\n |
| # output: report(0x80000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0x00008000);\n |
| # output: report(0x00010000);\n |
| # output: report(0x80000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000000);\n |
| # output: \n |
| # output: report(0x00000002);\n |
| # output: report(0xfffffffd);\n |
| # output: report(0xfffffffa);\n |
| # output: report(0x00000001);\n |
| # output: report(0x00000000);\n |
| # output: report(0x00000001);\n |
| # output: \n |
| # output: report(0xffff7fff);\n |
| # output: report(0xffff0000);\n |
| # output: report(0x80010000);\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 |
| |
| /* 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 are not testing that here. */ |
| 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.mul */ |
| |
| /* Multiply two small positive numbers. This should set no flags. |
| */ |
| TEST_INST_I32_I32 l.mul, 0x00000002, 0x00000003 |
| |
| /* Multiply two quite large positive numbers. This should set no |
| flags */ |
| TEST_INST_I32_I32 l.mul, 0x00008001, 0x0000fffe |
| |
| /* Multiply two slightly too large positive numbers. This should |
| set the overflow, but not the carry flag . */ |
| TEST_INST_I32_I32 l.mul, 0x00008000, 0x00010000 |
| |
| /* Multiply two large positive numbers. This should set the |
| overflow flags (even though the result is not a negative |
| number. */ |
| TEST_INST_I32_I32 l.mul, 0x00010000, 0x00010000 |
| |
| /* Multiply two small negative numbers. This will set no flags. */ |
| TEST_INST_I32_I32 l.mul, 0xfffffffe, 0xfffffffd |
| |
| /* Multiply two quite large negative numbers. This will no flags. */ |
| TEST_INST_I32_I32 l.mul, 0xffff7fff, 0xffff0002 |
| |
| /* Multiply two slightly too large negative numbers. This should |
| set the overflow flag. */ |
| TEST_INST_I32_I32 l.mul, 0xffff7fff, 0xffff0000 |
| |
| /* Multiply two large negative numbers. This should set the |
| both the carry and overflow flags (even though the result is a |
| positive number. */ |
| TEST_INST_I32_I32 l.mul, 0xffff0000, 0xfffeffff |
| |
| /* Multiply one small negative number and one small positive |
| number. This will set the no flags. */ |
| TEST_INST_I32_I32 l.mul, 0x00000002, 0xfffffffd |
| |
| /* Multiply one quite large negative number and one quite large |
| positive number. This will set no flags. */ |
| TEST_INST_I32_I32 l.mul, 0xffff8000, 0x00010000 |
| |
| /* Multiply one slightly too large negative number and one slightly |
| too large positive number. This should set the overflow flag. */ |
| TEST_INST_I32_I32 l.mul, 0xffff7fff, 0x00010000 |
| |
| /* Multiply the largest negative number by positive unity. This |
| should set neither carry, nor overflow flag. */ |
| TEST_INST_I32_I32 l.mul, 0x80000000, 0x00000001 |
| |
| /* 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_I32_I32 l.mul, 0x00008000, 0x00010000 |
| |
| /* Check multiply of a negative and positive does not cause a RANGE |
| Exception. */ |
| TEST_INST_I32_I32 l.mul, 0x00000002, 0xfffffffd |
| |
| /* Check that negative overflow causes a RANGE exception. */ |
| TEST_INST_I32_I32 l.mul, 0xffff7fff, 0xffff0000 |
| |
| CLEAR_SPR_SR_FLAGS SPR_SR_OVE, r2, r3 |
| |
| |
| /* Test l.muli */ |
| |
| /* Multiply two small positive numbers. This should set no flags. */ |
| TEST_INST_I32_I16 l.muli, 0x00000002, 0x0003 |
| |
| /* Multiply two quite large positive numbers. This should set no |
| flags */ |
| TEST_INST_I32_I16 l.muli, 0x00010002, 0x7fff |
| |
| /* Multiply two slightly too large positive numbers. This should |
| set the overflow, but not the carry flag. */ |
| TEST_INST_I32_I16 l.muli, 0x00020000, 0x4000 |
| |
| /* Multiply two large positive numbers. This should set the |
| overflow flag, even though the result is not a negative number. */ |
| TEST_INST_I32_I16 l.muli, 0x00040000, 0x4000 |
| |
| /* Multiply two small negative numbers. This should set no flags. */ |
| TEST_INST_I32_I16 l.muli, 0xfffffffe, 0xfffd |
| |
| /* Multiply two quite large negative numbers. This will set no |
| flags. */ |
| TEST_INST_I32_I16 l.muli, 0xfffefffe, 0x8001 |
| |
| /* Multiply two slightly too large negative numbers. This should |
| set the overflow flag. */ |
| TEST_INST_I32_I16 l.muli, 0xfffe0000, 0xbfff |
| |
| /* Multiply two large negative numbers. This should set the |
| overflow flag, even though the result is a positive number. */ |
| TEST_INST_I32_I16 l.muli, 0xfffdfffe, 0x8000 |
| |
| /* Multiply one small negative number and one small positive |
| number. This will set no flags. */ |
| TEST_INST_I32_I16 l.muli, 0x00000002, 0xfffd |
| |
| /* Multiply one quite large negative number and one quite large |
| positive number. This will set no flags. */ |
| TEST_INST_I32_I16 l.muli, 0x00010000, 0x8000 |
| |
| /* Multiply one slightly too large negative number and one slightly |
| too large positive number. This will set the overflow flag. */ |
| TEST_INST_I32_I16 l.muli, 0xfffdfffc, 0x4000 |
| |
| /* Multiply the largest negative number by positive unity. Should |
| set neither carry, nor overflow flag. */ |
| TEST_INST_I32_I16 l.muli, 0x80000000, 0x0001 |
| |
| /* 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_I32_I16 l.muli, 0x00020000, 0x4000 |
| |
| /* Check that two negatives will not cause a RANGE Exception. */ |
| TEST_INST_I32_I16 l.muli, 0xfffffffe, 0xfffd |
| |
| /* Check that multiply of larget negative and positive numbers causes |
| a RANGE exception and overflow. */ |
| TEST_INST_I32_I16 l.muli, 0xfffdfffe, 0x8000 |
| |
| CLEAR_SPR_SR_FLAGS SPR_SR_OVE, r2, r3 |
| |
| /* Test l.mulu */ |
| |
| /* Multiply two small positive numbers. This should set no flags. */ |
| TEST_INST_I32_I32 l.mulu, 0x00000002, 0x00000003 |
| |
| /* Multiply two quite large positive numbers. This should set no |
| flags. */ |
| TEST_INST_I32_I32 l.mulu, 0x00008001, 0x0000fffe |
| |
| /* Multiply two slightly too large positive numbers. This will set |
| no flags. */ |
| TEST_INST_I32_I32 l.mulu, 0x00008000, 0x00010000 |
| |
| /* Multiply two large positive numbers. This will set the overflow |
| flag. */ |
| TEST_INST_I32_I32 l.mulu, 0x00010000, 0x00010000 |
| |
| /* Multiply two small negative numbers. This will set the |
| carry flag, but not the overflow flag. */ |
| TEST_INST_I32_I32 l.mulu, 0xfffffffe, 0xfffffffd |
| |
| /* Multiply two quite large negative numbers. This will set the |
| carry flag, but not the overflow flag. */ |
| TEST_INST_I32_I32 l.mulu, 0xffff7fff, 0xffff0002 |
| |
| /* Multiply two slightly too large negative numbers. This will set |
| the carry flag, and not the overflow flag */ |
| TEST_INST_I32_I32 l.mulu, 0xffff7fff, 0xffff0000 |
| |
| /* Multiply two large negative numbers. This will set the both the |
| carry flag (even though the result is a positive number.) */ |
| TEST_INST_I32_I32 l.mulu, 0xffff0000, 0xfffeffff |
| |
| /* Multiply one small negative number and one small positive |
| number. This will set the carry flag, but not the overflow |
| flag. */ |
| TEST_INST_I32_I32 l.mulu, 0x00000002, 0xfffffffd |
| |
| /* Multiply one quite large negative number and one quite large |
| positive number. This will set the carry flag, but not the |
| overflow flag. */ |
| TEST_INST_I32_I32 l.mulu, 0xffff8000, 0x00010000 |
| |
| /* Multiply one slightly too large negative number and one slightly |
| too large positive number. This will set the carry flag, but |
| not the overflow flag. */ |
| TEST_INST_I32_I32 l.mulu, 0xffff7fff, 0x00010000 |
| |
| /* Multiply the largest negative number by positive unity. Should |
| set neither carry, nor overflow flag. */ |
| TEST_INST_I32_I32 l.mulu, 0x80000000, 0x00000001 |
| |
| /* Check that range exceptions are never triggered. */ |
| |
| SET_SPR_SR_FLAGS SPR_SR_OVE, r2, r3 |
| |
| /* Check that what would cause an overflow alone in 2's complement |
| does not cause a RANGE Exception. */ |
| TEST_INST_I32_I32 l.mulu, 0x00008000, 0x00010000 |
| |
| /* Check that a carry causes a RANGE Exception. */ |
| TEST_INST_I32_I32 l.mulu, 0x00000002, 0xfffffffd |
| |
| /* Check that what would cause an overflow and carry in 2's |
| complement causes a RANGE Exception. */ |
| TEST_INST_I32_I32 l.mulu, 0xffff7fff, 0xffff0000 |
| |
| CLEAR_SPR_SR_FLAGS SPR_SR_OVE, r2, r3 |
| |
| POP LINK_REGISTER_R9 |
| RETURN_TO_LINK_REGISTER_R9 |
