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[Bug c/36370] Is the sse2 psrlq insn accessible ?
- From: "Emmanuel dot Thome at inria dot fr" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 29 May 2008 14:49:00 -0000
- Subject: [Bug c/36370] Is the sse2 psrlq insn accessible ?
- References: <bug-36370-717@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from Emmanuel dot Thome at inria dot fr 2008-05-29 14:49 -------
(In reply to comment #5)
> Please note that psrlq doesn't implement x[N] << y[N] shift, but x[N] << y
> shift. That is, all elements are shifted by the same value. Please see Intel
> instruction reference.
yeah, I know. Only the low word gives the shift count.
> Also, psrlq doesn't support memory operands.
It does (for the shift count). Or my AMD doc is bogus.
E.
--
Emmanuel dot Thome at inria dot fr changed:
What |Removed |Added
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Component|target |c
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36370