-O0？ 2010/8/20 eirc.lew <eirc....@gmail.com>
> In my code: > int a = 10; > > then in the program I won't use the variable of a, but the open64 will > eliminate the statement of a = 10. I have tried the option of : > -WOPT:dse=off:dce=off:dce_alias=off:dce_global=off:dce_branch=off:bdce=off:epre=off:ivar_pre=off:lpre=off > -IPA:dve=off:fold_cvt=off. > > but it does not work, any suggestions ? > > ----- Original Message ----- > *From:* eirc.lew <eirc....@gmail.com> > *To:* Fred Chow <frdc...@gmail.com> ; open64-devel@lists.sourceforge.net > *Sent:* Friday, August 20, 2010 10:01 AM > *Subject:* Re: [Open64-devel] How can I filter the constant propagation > optimization in open64 > > Hi, all > Is there a document of command options about opt and LNO, now I have > one from AMD, but it did not have all the options, for example, there is no > -WOPT:icopy=off:copy=off in this document! > > Eric > > ----- Original Message ----- > *From:* Fred Chow <frdc...@gmail.com> > *To:* open64-devel@lists.sourceforge.net > *Sent:* Tuesday, August 17, 2010 6:02 PM > *Subject:* Re: [Open64-devel] How can I filter the constant propagation > optimization in open64 > > Just add the flags -WOPT:icopy=off:copy=off to turn off copy propagation. > > Fred > > On 08/17/2010 12:39 AM, eirc.lew wrote: > > Hi, all > > for example: > > int a; > int c; > a = 5; > int b; > > b += a + c; > > after open64 has compiled, in the whirl it is: b += *5* + c; > > but what I want is: it is still b + = *a* + c; > > > any suggestions ? > > > Eric > > > ------------------------------------------------------------------------------ > This SF.net email is sponsored by > > Make an app they can't live without > Enter the BlackBerry Developer Challengehttp://p.sf.net/sfu/RIM-dev2dev > > > _______________________________________________ > Open64-devel mailing > listopen64-de...@lists.sourceforge.nethttps://lists.sourceforge.net/lists/listinfo/open64-devel > > > ------------------------------ > > > ------------------------------------------------------------------------------ > This SF.net email is sponsored by > > Make an app they can't live without > Enter the BlackBerry Developer Challenge > http://p.sf.net/sfu/RIM-dev2dev > > ------------------------------ > > _______________________________________________ > Open64-devel mailing list > Open64-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/open64-devel > > > > ------------------------------------------------------------------------------ > This SF.net email is sponsored by > > Make an app they can't live without > Enter the BlackBerry Developer Challenge > http://p.sf.net/sfu/RIM-dev2dev > _______________________________________________ > Open64-devel mailing list > Open64-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/open64-devel > > -- Best Regards. Shen Ruifen tel: 010-51266989-226
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