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instruction: 0.729
syscall: 0.172
runtime: 0.099
on loongarch host, LSX vec get wrong result
Description of problem:
on loongarch host, the lsx insns get wrong result.
Steps to reproduce:
1. build linux-user on loongarch host with '--configure --target-list ='loongarch64-linux-user''
2. build test code 'gcc --static test.c -o test'
3. run './build/qemu-loongarch64 test'
Additional information:
run 'qemu-loongarch64 test'
the result is
`0: 2f2f2f2f
1: 0
2: 2f2f2f2f
3: 0
4: ffffffff
5: 0
6: ffffffff
7: ffffffff`
and the 6 or 7 may be ffffff or 0.
run 'test' on loongarch host or run qemu-loongarch64 on x86_64 host.
the result is
`0: 2f2f2f2f
1: 0
2: 2f2f2f2f
3: 0
4: 0
5: 0
6: 0
7: 0`
for more infomation see log.txt
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