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List:       openjdk-hotspot-dev
Subject:    Re: RFR(XS):  8035394: PPC64: Make usage of intrinsic dsqrt depend on processor recognition.
From:       Vladimir Kozlov <vladimir.kozlov () oracle ! com>
Date:       2014-02-20 19:12:56
Message-ID: 530653B8.2090800 () oracle ! com
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Good.

Vladimir

On 2/20/14 2:22 AM, Lindenmaier, Goetz wrote:
> Hi,
> 
> Only some PPC processors have a sqrt instruction.
> 
> Currently, intrinsic for dsqrt is used if a corresponding rule is implemented in \
> the .ad file (has_match_rule()). Instead, call match_ruole_supported(), which \
> allows to check processor properties. 
> Also adapt PPC64 .ad file to this.
> 
> Please review and test this change
> http://cr.openjdk.java.net/~goetz/webrevs/8035394-1-fltRck/
> 
> It also needs to go to jdk8u via ppc-aix-port/stage.
> 
> Best regards,
> Goetz.
> 
> 
> 


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