Public bug reported:
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.
** Affects: qemu
Importance: Undecided
Status: New
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[ARM] All variants of ADDSUBX,SUBADDX give incorrect results
https://bugs.launchpad.net/bugs/595906
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Status in QEMU: New
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.
