john-terraspace
commented
2 months ago I will investigate this – thanks for reporting!
From: cleeeem @.> Sent: 06 September 2024 10:09 To: Terraspace/UASM @.> Cc: Subscribed @.***> Subject: [Terraspace/UASM] Bad bytecode produce with vpextrw instruction (Issue #213)
Hello,
When using UASM 2.57, I can compile for example this :
vpextrw edx , xmm1 , 0x7
I get this bytecode
c4 e1 f8 c5 d1 07 vpextrw edx , xmm1 , 0x7
which is wrong and means :
c4 e1 f8 c5 (bad) d1 07 rol DWORD PTR [rdi],1
The good bytecode should be :
c5 f9 c5 d1 07 vpextrw edx,xmm1,0x7
Can someone confirm the issue ?
Best regards, Clement
— Reply to this email directly, view it on GitHub https://github.com/Terraspace/UASM/issues/213 , or unsubscribe https://github.com/notifications/unsubscribe-auth/AEAZAVCDBFE5FUQZQHVYT53ZVFWMBAVCNFSM6AAAAABNYFITA2VHI2DSMVQWIX3LMV43ASLTON2WKOZSGUYDSOJTGA2DENI . You are receiving this because you are subscribed to this thread. https://github.com/notifications/beacon/AEAZAVHWGM755FGSVUD3TXLZVFWMBA5CNFSM6AAAAABNYFITA2WGG33NNVSW45C7OR4XAZNFJFZXG5LFVJRW63LNMVXHIX3JMTHJLGT7XE.gif Message ID: @. @.> >
Hello,
When using UASM 2.57, I can compile for example this :
vpextrw edx , xmm1 , 0x7I get this bytecode
c4 e1 f8 c5 d1 07 vpextrw edx , xmm1 , 0x7which is wrong and means :
c4 e1 f8 c5 (bad)d1 07 rol DWORD PTR [rdi],1The good bytecode should be :
c5 f9 c5 d1 07 vpextrw edx,xmm1,0x7Can someone confirm the issue ?
Best regards, Clement