https://sourceware.org/bugzilla/show_bug.cgi?id=21262
Bug ID: 21262
Summary: EVUIMM_8 mask and shift are invalid
Product: binutils
Version: 2.28
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: gas
Assignee: unassigned at sourceware dot org
Reporter: alfedotov at gmail dot com
Target Milestone: ---
Created attachment 9902
--> https://sourceware.org/bugzilla/attachment.cgi?id=9902&action=edit
evldd insn description
I suspect that in current SPE instructions with EVUIMM_8, EVUIMM_4 and EVUIMM_2
operands current mask and shift values are invalid.
For instance "evldd" has EVUIMM_8. And EVUIMM_8 has mask=0xf8 and shift=8.
While regular EVUIMM has mask=0x1f and shift=11 what is fine.
EVUIMM_8 and regular EVUIMM operands have the one place in instruction bits
[16:20]
>From my point of view:
EVUIMM_2 should have mask=0x1e
EVUIMM_4 should have mask=0x1c
EVUIMM_8 should have mask=0x18
Shift for all of the must be the same as in EVUIMM = 11.
Alexander
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