xref: /aosp_15_r20/external/llvm/test/MC/Mips/mips-noat.s (revision 9880d6810fe72a1726cb53787c6711e909410d58)
1*9880d681SAndroid Build Coastguard Worker# RUN: not llvm-mc %s -triple=mips-unknown-linux 2>%t0 | FileCheck %s
2*9880d681SAndroid Build Coastguard Worker# RUN: FileCheck -check-prefix=ERROR %s < %t0
3*9880d681SAndroid Build Coastguard Worker# Check that using the assembler temporary when .set noat is in effect is an error.
4*9880d681SAndroid Build Coastguard Worker
5*9880d681SAndroid Build Coastguard Worker# We start with the assembler temporary enabled
6*9880d681SAndroid Build Coastguard Worker# CHECK-LABEL: test1:
7*9880d681SAndroid Build Coastguard Worker# CHECK:  lui   $1, 1
8*9880d681SAndroid Build Coastguard Worker# CHECK:  addu  $1, $1, $2
9*9880d681SAndroid Build Coastguard Worker# CHECK:  lw    $2, 0($1)
10*9880d681SAndroid Build Coastguard Worker# CHECK-LABEL: test2:
11*9880d681SAndroid Build Coastguard Worker# CHECK:  .set noat
12*9880d681SAndroid Build Coastguard Workertest1:
13*9880d681SAndroid Build Coastguard Worker        lw      $2, 65536($2)
14*9880d681SAndroid Build Coastguard Worker
15*9880d681SAndroid Build Coastguard Workertest2:
16*9880d681SAndroid Build Coastguard Worker        .set noat
17*9880d681SAndroid Build Coastguard Worker        lw      $2, 65536($2) # ERROR: mips-noat.s:[[@LINE]]:9: error: pseudo-instruction requires $at, which is not available
18*9880d681SAndroid Build Coastguard Worker
19*9880d681SAndroid Build Coastguard Worker
20*9880d681SAndroid Build Coastguard Worker# Can we switch it back on successfully?
21*9880d681SAndroid Build Coastguard Worker# CHECK-LABEL: test3:
22*9880d681SAndroid Build Coastguard Worker# CHECK:  lui   $1, 1
23*9880d681SAndroid Build Coastguard Worker# CHECK:  addu  $1, $1, $2
24*9880d681SAndroid Build Coastguard Worker# CHECK:  lw    $2, 0($1)
25*9880d681SAndroid Build Coastguard Worker# CHECK-LABEL: test4:
26*9880d681SAndroid Build Coastguard Worker# CHECK:  .set  at=$0
27*9880d681SAndroid Build Coastguard Workertest3:
28*9880d681SAndroid Build Coastguard Worker        .set at
29*9880d681SAndroid Build Coastguard Worker        lw      $2, 65536($2)
30*9880d681SAndroid Build Coastguard Worker
31*9880d681SAndroid Build Coastguard Workertest4:
32*9880d681SAndroid Build Coastguard Worker        .set at=$0
33*9880d681SAndroid Build Coastguard Worker        lw      $2, 65536($2) # ERROR: mips-noat.s:[[@LINE]]:9: error: pseudo-instruction requires $at, which is not available
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