| /* Tests the load and store 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(0xdeadbeef);\n |
| # output: report(0x00000000);\n |
| # output: report(0x7fffffff);\n |
| # output: report(0x80000000);\n |
| # output: report(0xffffffff);\n |
| # output: report(0x00000000);\n |
| # output: report(0x7fffffff);\n |
| # output: report(0x80000000);\n |
| # output: report(0xffffffff);\n |
| # output: report(0xdeadbeef);\n |
| # output: report(0x00000000);\n |
| # output: report(0x7fffffff);\n |
| # output: report(0x80000000);\n |
| # output: report(0xdeadbeef);\n |
| # output: report(0x00000000);\n |
| # output: report(0x7fffffff);\n |
| # output: report(0x80000000);\n |
| # output: report(0xffffffff);\n |
| # output: report(0x00000000);\n |
| # output: report(0x7fffffff);\n |
| # output: report(0x80000000);\n |
| # output: report(0xffffffff);\n |
| # output: report(0xdeadbeef);\n |
| # output: report(0x00000000);\n |
| # output: report(0x7fffffff);\n |
| # output: report(0x80000000);\n |
| # output: report(0x000000de);\n |
| # output: report(0x000000ad);\n |
| # output: report(0x000000be);\n |
| # output: report(0x000000ef);\n |
| # output: report(0x000000ef);\n |
| # output: report(0x000000be);\n |
| # output: report(0x000000ad);\n |
| # output: report(0x000000de);\n |
| # output: report(0xffffffde);\n |
| # output: report(0xffffffad);\n |
| # output: report(0xffffffbe);\n |
| # output: report(0xffffffef);\n |
| # output: report(0xffffffef);\n |
| # output: report(0xffffffbe);\n |
| # output: report(0xffffffad);\n |
| # output: report(0xffffffde);\n |
| # output: report(0x0000dead);\n |
| # output: report(0x0000beef);\n |
| # output: report(0x0000beef);\n |
| # output: report(0x0000dead);\n |
| # output: report(0xffffdead);\n |
| # output: report(0xffffbeef);\n |
| # output: report(0xffffbeef);\n |
| # output: report(0xffffdead);\n |
| # output: report(0xa1a2a3a4);\n |
| # output: report(0xb4b3b2b1);\n |
| # output: report(0x81828384);\n |
| # output: report(0x53545152);\n |
| # output: report(0xa0b0c0d0);\n |
| # output: report(0xa1b1c1d1);\n |
| # output: report(0xa3b3c3d3);\n |
| # output: report(0xa2b2c2d2);\n |
| # output: exit(0)\n |
| |
| #include "or1k-asm-test-helpers.h" |
| |
| .macro TEST_LW opcode, label, offset |
| LOAD_IMMEDIATE r5, \label |
| \opcode r4, \offset(r5) |
| REPORT_REG_TO_CONSOLE r4 |
| .endm |
| |
| STANDARD_TEST_ENVIRONMENT |
| |
| .section .rodata |
| .balign 4 |
| |
| 50: .word 0xdeadbeef |
| 51: .word 0x00000000 |
| 52: .word 0x7fffffff |
| 53: .word 0x80000000 |
| 54: .word 0xffffffff |
| |
| .section .data |
| .balign 4 |
| |
| buffer1: .word 0x00000000 |
| buffer2: .word 0x00000000 |
| buffer3: .word 0x00000000 |
| buffer4: .word 0x00000000 |
| buffer5: |
| |
| .section .text |
| start_tests: |
| PUSH LINK_REGISTER_R9 |
| |
| /* Test instruction l.lws */ |
| |
| /* Load with zero offset. */ |
| TEST_LW l.lws 50b, 0 |
| TEST_LW l.lws 51b, 0 |
| TEST_LW l.lws 52b, 0 |
| TEST_LW l.lws 53b, 0 |
| TEST_LW l.lws 54b, 0 |
| |
| /* Load with positive offset. */ |
| TEST_LW l.lws 50b, 4 |
| TEST_LW l.lws 50b, 8 |
| TEST_LW l.lws 50b, 12 |
| TEST_LW l.lws 50b, 16 |
| |
| /* Load with negative offset. */ |
| TEST_LW l.lws 54b, -16 |
| TEST_LW l.lws 54b, -12 |
| TEST_LW l.lws 54b, -8 |
| TEST_LW l.lws 54b, -4 |
| |
| /* TODO: add here test cases to cover unaligned memory accesses |
| with l.lws. */ |
| |
| /* Test instruction l.lwz */ |
| |
| /* Load with zero offset. */ |
| TEST_LW l.lwz 50b, 0 |
| TEST_LW l.lwz 51b, 0 |
| TEST_LW l.lwz 52b, 0 |
| TEST_LW l.lwz 53b, 0 |
| TEST_LW l.lwz 54b, 0 |
| |
| /* Load with positive offset. */ |
| TEST_LW l.lwz 50b, 4 |
| TEST_LW l.lwz 50b, 8 |
| TEST_LW l.lwz 50b, 12 |
| TEST_LW l.lwz 50b, 16 |
| |
| /* Load with negative offset. */ |
| TEST_LW l.lwz 54b, -16 |
| TEST_LW l.lwz 54b, -12 |
| TEST_LW l.lwz 54b, -8 |
| TEST_LW l.lwz 54b, -4 |
| |
| /* TODO: add here test cases to cover unaligned memory accesses |
| with l.lwz. */ |
| |
| /* Test instruction l.lbz */ |
| |
| /* Read data at label 50, forwards, byte by byte. */ |
| LOAD_IMMEDIATE r5, 50b |
| |
| l.lbz r4, 0(r5) |
| REPORT_REG_TO_CONSOLE r4 |
| |
| l.lbz r4, 1(r5) |
| REPORT_REG_TO_CONSOLE r4 |
| |
| l.lbz r4, 2(r5) |
| REPORT_REG_TO_CONSOLE r4 |
| |
| l.lbz r4, 3(r5) |
| REPORT_REG_TO_CONSOLE r4 |
| |
| /* Read data at label 50, backwards, byte by byte. */ |
| LOAD_IMMEDIATE r31, 51b |
| |
| l.lbz r3, -1(r31) |
| REPORT_REG_TO_CONSOLE r3 |
| |
| l.lbz r3, -2(r31) |
| REPORT_REG_TO_CONSOLE r3 |
| |
| l.lbz r3, -3(r31) |
| REPORT_REG_TO_CONSOLE r3 |
| |
| l.lbz r3, -4(r31) |
| REPORT_REG_TO_CONSOLE r3 |
| |
| /* Test instruction l.lbs */ |
| |
| /* Read data at label 50, forwards, byte by byte. */ |
| LOAD_IMMEDIATE r5, 50b |
| |
| l.lbs r4, 0(r5) |
| REPORT_REG_TO_CONSOLE r4 |
| |
| l.lbs r4, 1(r5) |
| REPORT_REG_TO_CONSOLE r4 |
| |
| l.lbs r4, 2(r5) |
| REPORT_REG_TO_CONSOLE r4 |
| |
| l.lbs r4, 3(r5) |
| REPORT_REG_TO_CONSOLE r4 |
| |
| /* Read data at label 50, backwards, byte by byte. */ |
| LOAD_IMMEDIATE r31, 51b |
| |
| l.lbs r3, -1(r31) |
| REPORT_REG_TO_CONSOLE r3 |
| |
| l.lbs r3, -2(r31) |
| REPORT_REG_TO_CONSOLE r3 |
| |
| l.lbs r3, -3(r31) |
| REPORT_REG_TO_CONSOLE r3 |
| |
| l.lbs r3, -4(r31) |
| REPORT_REG_TO_CONSOLE r3 |
| |
| /* Test instruction l.lhz */ |
| |
| /* Read data at label 50, forwards, half-word by half-word. */ |
| LOAD_IMMEDIATE r5, 50b |
| |
| l.lhz r4, 0(r5) |
| REPORT_REG_TO_CONSOLE r4 |
| |
| l.lhz r4, 2(r5) |
| REPORT_REG_TO_CONSOLE r4 |
| |
| /* Read data at label 50, backwards, half-word by half-word. */ |
| LOAD_IMMEDIATE r31, 51b |
| |
| l.lhz r3, -2(r31) |
| REPORT_REG_TO_CONSOLE r3 |
| |
| l.lhz r3, -4(r31) |
| REPORT_REG_TO_CONSOLE r3 |
| |
| /* TODO: add here test cases to cover unaligned memory accesses |
| with l.lhz. */ |
| |
| /* Test instruction l.lhs */ |
| |
| /* Read data at label 50, forwards, half-word by half-word. */ |
| LOAD_IMMEDIATE r5, 50b |
| |
| l.lhs r4, 0(r5) |
| REPORT_REG_TO_CONSOLE r4 |
| |
| l.lhs r4, 2(r5) |
| REPORT_REG_TO_CONSOLE r4 |
| |
| /* Read data at label 50, backwards, half-word by half-word. */ |
| LOAD_IMMEDIATE r31, 51b |
| |
| l.lhs r3, -2(r31) |
| REPORT_REG_TO_CONSOLE r3 |
| |
| l.lhs r3, -4(r31) |
| REPORT_REG_TO_CONSOLE r3 |
| |
| /* TODO: add here test cases to cover unaligned memory accesses |
| with l.lhs. */ |
| |
| /* Test instruction l.sb */ |
| |
| /* Write 32-bits forwards, byte-to-byte. */ |
| LOAD_IMMEDIATE r5, buffer1 |
| |
| LOAD_IMMEDIATE r10, 0xA1 |
| LOAD_IMMEDIATE r11, 0xA2 |
| LOAD_IMMEDIATE r12, 0xA3 |
| LOAD_IMMEDIATE r13, 0xA4 |
| |
| l.sb 0(r5), r10 |
| l.sb 1(r5), r11 |
| l.sb 2(r5), r12 |
| l.sb 3(r5), r13 |
| |
| l.lwz r3, 0(r5) |
| REPORT_REG_TO_CONSOLE r3 |
| |
| /* Write 32-bits backwards, byte-to-byte. */ |
| LOAD_IMMEDIATE r6, buffer2 |
| |
| LOAD_IMMEDIATE r10, 0xB1 |
| LOAD_IMMEDIATE r11, 0xB2 |
| LOAD_IMMEDIATE r12, 0xB3 |
| LOAD_IMMEDIATE r13, 0xB4 |
| |
| l.sb -1(r6), r10 |
| l.sb -2(r6), r11 |
| l.sb -3(r6), r12 |
| l.sb -4(r6), r13 |
| |
| l.lwz r3, 0(r5) |
| REPORT_REG_TO_CONSOLE r3 |
| |
| /* TODO: add here test cases to cover unaligned memory accesses |
| with l.sb. */ |
| |
| /* Test instruction l.sh */ |
| |
| /* Write 32-bits forwards, one half-word at a time. */ |
| LOAD_IMMEDIATE r5, buffer1 |
| |
| LOAD_IMMEDIATE r10, 0x8182 |
| LOAD_IMMEDIATE r11, 0x8384 |
| |
| l.sh 0(r5), r10 |
| l.sh 2(r5), r11 |
| |
| l.lwz r3, 0(r5) |
| REPORT_REG_TO_CONSOLE r3 |
| |
| /* Write 32-bits backwards, one half-word at a time. */ |
| LOAD_IMMEDIATE r6, buffer2 |
| |
| LOAD_IMMEDIATE r10, 0x5152 |
| LOAD_IMMEDIATE r11, 0x5354 |
| |
| l.sh -2(r6), r10 |
| l.sh -4(r6), r11 |
| |
| l.lwz r3, 0(r5) |
| REPORT_REG_TO_CONSOLE r3 |
| |
| /* TODO: add here test cases to cover unaligned memory accesses |
| with l.sh. */ |
| |
| /* Test instruction l.sw */ |
| LOAD_IMMEDIATE r5, buffer1 |
| LOAD_IMMEDIATE r6, buffer5 |
| |
| LOAD_IMMEDIATE r10, 0xA0B0C0D0 |
| LOAD_IMMEDIATE r11, 0xA1B1C1D1 |
| LOAD_IMMEDIATE r12, 0xA2B2C2D2 |
| LOAD_IMMEDIATE r13, 0xA3B3C3D3 |
| |
| l.sw 0(r5), r10 |
| l.sw 4(r5), r11 |
| l.sw -4(r6), r12 |
| l.sw -8(r6), r13 |
| |
| TEST_LW l.lwz buffer1, 0 |
| TEST_LW l.lwz buffer2, 0 |
| TEST_LW l.lwz buffer3, 0 |
| TEST_LW l.lwz buffer4, 0 |
| |
| /* TODO: add here test cases to cover unaligned memory accesses |
| with l.sw. */ |
| |
| POP LINK_REGISTER_R9 |
| RETURN_TO_LINK_REGISTER_R9 |
