[openssl-dev] [openssl.org #4346] Re: poly1305-x86.pl's AVX2 code
David Benjamin via RT
rt at openssl.org
Fri Feb 26 20:41:22 UTC 2016
On Thu, Feb 25, 2016 at 6:16 PM David Benjamin <davidben at google.com> wrote:
> From looking at valgrind, this pattern seems to give good coverage. I
> used valgrind --tool=callgrind --dump-instr=yes --collect-jumps=yes and
> then kcachegrind to inspect the output. (kcachegrind is a bit heavy for
> this. I'm hoping I can find or write a better annotator here. Something
> which looks like, say, LCOV would be ideal.)
>
For anyone else who wants to try this sort of thing, passing -g to the
assembler (so -Wa,-g) will make callgrind_annotate emit this in a useful
form without needing kcachegrind. Thanks to Steven Valdez for pointing this
out.
David
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