[PATCH] Merging Cilk Plus into Trunk (Patch 1 of approximately 22)

[Iyer, Balaji V]

>-----Original Message-----
>From: Richard Henderson [mailto:rth@redhat.com]
>Sent: Monday, September 10, 2012 12:01 PM
>To: Iyer, Balaji V
>Cc: Jakub Jelinek; Andi Kleen; Richard Guenther; gcc-patches@gcc.gnu.org;
>Gabriel Dos Reis; Aldy Hernandez (aldyh@redhat.com); Jeff Law
>Subject: Re: [PATCH] Merging Cilk Plus into Trunk (Patch 1 of approximately 22)
>
>On 09/07/2012 02:00 PM, Iyer, Balaji V wrote:
>> So, if I am understanding this correctly, there is no way to have the
>> vectorization turned on/off on a function by function basis? I don't
>> mind if it is turned off for -O0, but would like it be turned on/off
>> for anything > -O1.
>
>There's probably no reason that we can't enable vectorization on a loop by loop
>basis.  Given that we're keeping a bit attached to the loop itself for #pragma simd
>anyway.
>
>This ought not be terribly difficult to arrange...

Can you please help me get a start on how to get can be done? From what I understand (please correct me if I am wrong), this requires rearranging and duplicating a lot of passes and can potentially open up to a lot of bugs.

>
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>r~