https://bugs.kde.org/show_bug.cgi?id=357932
Julian Seward changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://bugs.kde.org/show_bug.cgi?id=357932
--- Comment #6 from Axel Müller ---
The assembler code is from the Intel Performance Primitives (IPP) library when
using the ippsLn_32f_A11 function (calculates natural logarithm).
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https://bugs.kde.org/show_bug.cgi?id=357932
--- Comment #5 from Julian Seward ---
Mark, I think the patch is OK. In these insns we have, redundantly:
REX.W=1, which says that this insn is 64-bits wide w.r.t. how it interacts
with the integer register set, which is irrelevant because it doesn't
https://bugs.kde.org/show_bug.cgi?id=357932
--- Comment #4 from Mark Wielaard ---
Or maybe Julian means the "redundant" REXB is altering the e register field and
so it needs further adjustment to get the correct register if REXB is set.
Anyway, a testcase and how to (or what) generates it would
https://bugs.kde.org/show_bug.cgi?id=357932
Mark Wielaard changed:
What|Removed |Added
CC||m...@redhat.com
--- Comment #3 from Mark Wielaa
https://bugs.kde.org/show_bug.cgi?id=357932
--- Comment #2 from Axel Müller ---
(In reply to Julian Seward from comment #1)
> f2 49 0f 5d 00rex.WB minsd (%r8),%xmm0
> f2 49 0f 5f 00rex.WB maxsd (%r8),%xmm0
>
> I'm sure these insns are handled really. It's just the redundant rex.
https://bugs.kde.org/show_bug.cgi?id=357932
--- Comment #1 from Julian Seward ---
f2 49 0f 5d 00 rex.WB minsd (%r8),%xmm0
f2 49 0f 5f 00 rex.WB maxsd (%r8),%xmm0
I'm sure these insns are handled really. It's just the redundant rex.WB prefix
that is causing them not to get de
