https://bugs.kde.org/show_bug.cgi?id=360415
--- Comment #20 from Julian Seward ---
The implementation may be buggy. Details in bug 384930.
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--- Comment #19 from Ivo Raisr ---
And follow up VEX commit in SVN r3376.
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--- Comment #18 from Ivo Raisr ---
Follow up fix in SVN r16393.
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--- Comment #17 from Julian Seward ---
Ah yes, I remembered about this and then forgot it again.
The test case uses ADOX etc, and runs unconditionally, but the
fix only decodes them on AVX2 capable machines and above. So the
test case needs to be cond
https://bugs.kde.org/show_bug.cgi?id=360415
Ivo Raisr changed:
What|Removed |Added
CC||iv...@ivosh.net
--- Comment #16 from Ivo Raisr ---
https://bugs.kde.org/show_bug.cgi?id=360415
Julian Seward changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|---
https://bugs.kde.org/show_bug.cgi?id=360415
--- Comment #14 from Julian Seward ---
(In reply to jacobly.alt from comment #5)
> Created attachment 105193 [details]
> Fixed 32-bit instructions in test-amd64.
Committed, with modifications, vex r3365. Thanks for the patch.
Note that the instruction
https://bugs.kde.org/show_bug.cgi?id=360415
Ivo Raisr changed:
What|Removed |Added
CC||m...@cyrilbouvier.fr
--- Comment #13 from Ivo Raisr
https://bugs.kde.org/show_bug.cgi?id=360415
--- Comment #12 from Jeffrey Walton ---
This question came up on the Fedora bug report... Why was the patch not
accepted?
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--- Comment #11 from Jeffrey Walton ---
Here's the reduced test case.
$ cat test.c
#include
int main(int argc, char* argv[])
{
uint32_t a = argc*4, b = argc*8;
asm ("adcxl %1, %0" : "+r"(a) : "rm"(b));
return a & 0xf;
}
A bug was filed w
https://bugs.kde.org/show_bug.cgi?id=360415
--- Comment #10 from Jeffrey Walton ---
(In reply to jacobly.alt from comment #9)
> Considering the new patch didn't change any valgrind code, I'm going to
> assume the patch was just too old to apply properly to trunk.
Oh, my bad...
I did not apply t
https://bugs.kde.org/show_bug.cgi?id=360415
--- Comment #9 from jacobly@gmail.com ---
Considering the new patch didn't change any valgrind code, I'm going to assume
the patch was just too old to apply properly to trunk.
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--- Comment #8 from Jeffrey Walton ---
(In reply to jacobly.alt from comment #5)
> Created attachment 105193 [details]
> Fixed 32-bit instructions in test-amd64.
>
> I disassembled the test program and noticed that 32-bit instructions weren't
> being a
https://bugs.kde.org/show_bug.cgi?id=360415
--- Comment #7 from Jeffrey Walton ---
(In reply to Jeffrey Walton from comment #6)
> (In reply to jacobly.alt from comment #5)
> > Created attachment 105193 [details]
> > Fixed 32-bit instructions in test-amd64.
> >
> > ...
>
> > ... On a side note,
https://bugs.kde.org/show_bug.cgi?id=360415
--- Comment #6 from Jeffrey Walton ---
(In reply to jacobly.alt from comment #5)
> Created attachment 105193 [details]
> Fixed 32-bit instructions in test-amd64.
>
> I disassembled the test program and noticed that 32-bit instructions weren't
> being a
https://bugs.kde.org/show_bug.cgi?id=360415
jacobly@gmail.com changed:
What|Removed |Added
Attachment #97845|0 |1
is obsolete|
https://bugs.kde.org/show_bug.cgi?id=360415
--- Comment #4 from Jeffrey Walton ---
I'm working from the SVN sources, and the issue still exists. It appears
something is amiss with the patch.
The program was built with Clang on a Skylake machine. Its not in the big
integer part of the library. Cl
https://bugs.kde.org/show_bug.cgi?id=360415
Jeffrey Walton changed:
What|Removed |Added
CC||noloa...@gmail.com
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--- Comment #3 from jacobly@gmail.com ---
Julian Seward, I think these instructions are only on Intel processors, so the
only way to get them is to compile with -march=native or similar. Since I
compiled my glibc with -march=native, it contains thes
https://bugs.kde.org/show_bug.cgi?id=360415
--- Comment #2 from Julian Seward ---
jacobly.alt, what context (library, use case, etc) do these instructions appear
in?
I am surprised they don't get complained-about more.
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--- Comment #1 from jacobly@gmail.com ---
Created attachment 97845
--> https://bugs.kde.org/attachment.cgi?id=97845&action=edit
Adds ADCX and ADOX to VEX.
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jacobly@gmail.com changed:
What|Removed |Added
Version|unspecified |3.12 SVN
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