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54 lines
1.9 KiB
54 lines
1.9 KiB
4 months ago
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# RUN: llvm-mc %s -triple=mipsel-unknown-linux -show-encoding -mcpu=mips32r2 \
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# RUN: 2>%t1 | FileCheck %s
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# RUN: FileCheck -check-prefix=WARNINGS %s < %t1
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# Check that the assembler can handle the documented syntax for ".set at" and
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# will set the correct value for $at.
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# Note that writing $at is always the same as writing $1.
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.text
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foo:
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# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
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# WARNINGS: :[[@LINE+2]]:11: warning: used $at (currently $1) without ".set noat"
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.set at=$1
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jr $at
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# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
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# WARNINGS: :[[@LINE+2]]:11: warning: used $at (currently $1) without ".set noat"
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.set at=$1
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jr $1
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# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
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# WARNINGS: :[[@LINE+2]]:11: warning: used $at (currently $1) without ".set noat"
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.set at=$at
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jr $at
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# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
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# WARNINGS: :[[@LINE+2]]:11: warning: used $at (currently $1) without ".set noat"
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.set at=$at
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jr $1
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# WARNINGS-NOT: warning: used $at (currently ${{[0-9]+}}) without ".set noat"
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# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
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.set at=$2
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jr $at
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# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
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.set at=$3
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jr $at
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# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
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.set noat
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jr $at
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# CHECK: jr $1 # encoding: [0x08,0x00,0x20,0x00]
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.set at=$0
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jr $at
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# CHECK: jr $16 # encoding: [0x08,0x00,0x00,0x02]
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# WARNINGS: :[[@LINE+2]]:11: warning: used $at (currently $16) without ".set noat"
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.set at=$16
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jr $s0
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# CHECK: jr $16 # encoding: [0x08,0x00,0x00,0x02]
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# WARNINGS: :[[@LINE+2]]:11: warning: used $at (currently $16) without ".set noat"
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.set at=$16
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jr $16
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