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Merge pull request #6 from MediaTek-Labs/fix_imm48
Rewrite instructions with problematic imm48 encoding
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| .linkrelax | ||
| .section .text,"ax",@progbits | ||
| .align 4 | ||
| .globl __start | ||
| .ent __start | ||
| __start: | ||
| # li[48] -> lapc[48]. | ||
| li $a0, foo | ||
| # li[48] -> aluipc + ori. | ||
| li $a1, bar | ||
| li $a2, frob | ||
| # addiu[48] -> lapc[48] + addu | ||
| addiu $a3, foo | ||
| # addiu[48] -> aluipc + ori + addu | ||
| addiu $a4, bar | ||
| addiu $a5, frob | ||
| # lapc[48] -> aluipc + ori. | ||
| lapc.b $t0, foo | ||
| lapc.b $t1, bar | ||
| swpc $t2, foo | ||
| swpc $t3, bar | ||
| .end __start | ||
| .size __start, .-__start | ||
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| .section .foo,"ax",@progbits | ||
| .align 4 | ||
| .globl foo | ||
| .ent foo | ||
| foo: | ||
| jrc $ra | ||
| .end foo | ||
| .size foo, .-foo | ||
| .section .bar,"ax",@progbits | ||
| .align 4 | ||
| .globl bar | ||
| .ent bar | ||
| bar: | ||
| jrc $ra | ||
| .end bar | ||
| .size bar, .-bar | ||
| .section .frob,"ax",@progbits | ||
| .align 4 | ||
| .globl frob | ||
| .ent frob | ||
| frob: | ||
| jrc $ra | ||
| .end frob | ||
| .size frob, .-frob |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| #!/bin/sh | ||
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| # nanomips_function_call.sh -- test nanoMIPS function call transformations. | ||
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| # Copyright (C) 2018 Free Software Foundation, Inc. | ||
| # Written by Vladimir Radosavljevic <[email protected]>. | ||
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| # This file is part of gold. | ||
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| # 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. | ||
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| # 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. | ||
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| # You should have received a copy of the GNU General Public License | ||
| # along with this program; if not, write to the Free Software | ||
| # Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, | ||
| # MA 02110-1301, USA. | ||
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| check() | ||
| { | ||
| file=$1 | ||
| pattern=$2 | ||
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| found=`grep "$pattern" $file` | ||
| if test -z "$found"; then | ||
| echo "pattern \"$pattern\" not found in file $file." | ||
| exit 1 | ||
| fi | ||
| } | ||
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| # Test li[48] transformation into lapc[48]. | ||
| check nanomips_fix_hw110880.stdout " 1000000: 6083 23fa lapc\[48\] a0.*" | ||
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| # Test li[48] transformation into aluipc, ori. | ||
| check nanomips_fix_hw110880.stdout " 1000006: e0a1 2a22 aluipc a1,.*" | ||
| check nanomips_fix_hw110880.stdout " 100000a: 80a5 0500 ori a1,a1,.*" | ||
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| # Test li[48] not being transformed | ||
| check nanomips_fix_hw110880.stdout " 100000e: 60c0 0000 li\[48\] a2,.*" | ||
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| # Test addiu[48] transformation into lapc[48], addu. | ||
| check nanomips_fix_hw110880.stdout " 1000014: 6023 23e6 lapc\[48\] at,.*" | ||
| check nanomips_fix_hw110880.stdout " 100001a: 2027 3950 addu\[32\] a3,a3,at" | ||
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| # Test addiu[48] transformation into aluipc, ori, addu. | ||
| check nanomips_fix_hw110880.stdout " 100001e: e021 2a22 aluipc at,.*" | ||
| check nanomips_fix_hw110880.stdout " 1000022: 8021 0500 ori at,at,.*" | ||
| check nanomips_fix_hw110880.stdout " 1000026: 2028 4150 addu\[32\] a4,a4,at" | ||
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| # Test addiu[48] not being transformed | ||
| check nanomips_fix_hw110880.stdout " 100002a: 6121 0000 addiu\[48\] a5,a5,.*" | ||
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| # Test lapc[48] not being transformed | ||
| check nanomips_fix_hw110880.stdout " 1000030: 6183 23ca lapc\[48\] t0,.*" | ||
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| # Test lapc[48] transformation into aluipc, ori. | ||
| check nanomips_fix_hw110880.stdout " 1000036: e1a1 2a22 aluipc t1,.*" | ||
| check nanomips_fix_hw110880.stdout " 100003a: 81ad 0500 ori t1,t1,.*" | ||
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| # Test swpc[48] not being transformed | ||
| check nanomips_fix_hw110880.stdout " 100003e: 61cf 23bc swpc\[48\] t2,.*" | ||
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| # Test swpc[48] transformation into aluipc, sw. | ||
| check nanomips_fix_hw110880.stdout " 1000044: e021 2a22 aluipc at,.*" | ||
| check nanomips_fix_hw110880.stdout " 1000048: 85e1 9500 sw\[u12\] t3,.*(at)" | ||
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| exit 0 |