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Re: [Patch] libitm: add HTM fastpath
- From: Torvald Riegel <triegel at redhat dot com>
- To: Richard Henderson <rth at redhat dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, Aldy Hernandez <aldyh at redhat dot com>
- Date: Fri, 09 Nov 2012 18:06:21 +0100
- Subject: Re: [Patch] libitm: add HTM fastpath
- References: <1352164172.3374.28679.camel@triegel.csb> <5099369F.30906@redhat.com>
On Tue, 2012-11-06 at 08:11 -0800, Richard Henderson wrote:
> On 2012-11-05 17:09, Torvald Riegel wrote:
> > + if (likely(htm_fastpath && (prop & pr_hasNoAbort)))
>
> For reference, could the NoAbort clause be relaxed with an htm check
> in abortTransaction, and the use of an xabort insn with an appropriate
> code to indicate user abort?
We have been discussing this off-line, and might have a patch for this
at a later point in time.
For now, I've committed the patch with Uros change applied.