This patch looks fine to me. Please go ahead and commit it.
2011/4/6 Berg, Michael <michael.b...@amd.com>
> As requested, in sequence, and I also included the full patch. It is not
> so much these two that are co-dependent, but the sequence of patches that
> will follow which will need to be done in order.
>
>
>
> maxmin_sched.p is the full patch, the other 2 are its parts.
>
>
>
> m
>
>
>
> *From:* Berg, Michael [mailto:michael.b...@amd.com]
> *Sent:* Tuesday, April 05, 2011 8:53 PM
> *To:* open64-devel@lists.sourceforge.net
> *Subject:* [Open64-devel] code review request for AMD 4.2.5 changes
>
>
>
> Can either a Gatekeeper or a someone who can refer this to a Gatekeeper
> review this patch.
>
>
>
> The attached patch file contains the following:
>
>
>
> Note: This a conglomerate of 2 AMD 4.2.5 check-ins.
>
>
>
> 1. Addition of sse4.1 max/min instructions to enable packed integer
> vectorization in loops which contain flow which fit the min/max
> transformation model as well as ebo support for load-exec. This
> functionality is under the control of –mno-sse41 on targets which support
> the code emit path. Legacy code also handles the min/max path but not with
> sse4.1 instructions and is less efficient.
>
> 2. Creation of register pressure based user flag for existing
> functionality in local scheduling. The flag applies to general use in one
> context and in unrolled loop context for the second. The flag is off by
> default but is useful on a case-by-case basis to help mitigate register
> pressure. The flag is –CG:pre_minreg_level=<0,1,2>, where 0 is the
> default(off).
>
>
>
> These changes pass the following:
>
> a.) No compile time failure for x86 build.
>
> b.) The gcc regression test suite on x86/Linux with no new failures.
>
> c.) The SPEC2006 test suite at with current AMD 1 copy config for
> base/peak with int/fp suites.
>
>
>
> Thx,
>
>
>
> Michael
>
>
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>
--
Regards,
Lai Jian-Xin
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