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[Qemu-devel] [Bug 595906] Re: [ARM] All variants of ADDSUBX, SUBADDX giv
From: |
Chris Winter |
Subject: |
[Qemu-devel] [Bug 595906] Re: [ARM] All variants of ADDSUBX, SUBADDX give incorrect results |
Date: |
Sat, 19 Jun 2010 13:47:56 -0000 |
** Changed in: qemu
Status: New => Confirmed
** Changed in: qemu
Status: Confirmed => In Progress
--
[ARM] All variants of ADDSUBX,SUBADDX give incorrect results
https://bugs.launchpad.net/bugs/595906
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Status in QEMU: In Progress
Bug description:
All variants of the ADDSUBX/SUBADDX instructions seem to be implemented
incorrectly, i.e.
MOV r12, #0
LDR r0, =0x18004800
LDR r1, =0x30006000
QADDSUBX r12, r0, r1 ; Should give 0x78001800 - gives 0x4800e800
This happens with latest git HEAD.
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