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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi all<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>You are correct that ARM S/UMLAL are available from ARMv4. UMAAL is only available in ARMv6 and later though, so you need to modify your patch slightly.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I’m afraid I am clueless on the instruction selection patches, so I will defer to Renato or Tim for those. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Rich<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Renato Golin [mailto:renato.golin@linaro.org] <br><b>Sent:</b> 12 January 2014 14:20<br><b>To:</b> LLVM Commits; Tim Northover; Richard Barton<br><b>Subject:</b> Re: [PATCH] [ARM] Fix required ISA for multiplication instructions<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Hi Joerg,<o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>From all I know about the early clobber flag in the table gen, your second patch looks fine.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Your first patch also looks fine, though SMLALxy is not supported in ARMv4, so you should move its tests to something v5 and use Subtarget.hasV5TEOps().<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>Before committing, I'd welcome reviews from Tim and Richard, just to make sure I'm not missing anything.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>cheers,<o:p></o:p></p></div><div><p class=MsoNormal>--renato<o:p></o:p></p></div></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p><div><p class=MsoNormal>On 12 January 2014 03:41, Joerg Sonnenberger <<a href="mailto:joerg@britannica.bec.de" target="_blank">joerg@britannica.bec.de</a>> wrote:<o:p></o:p></p><div><div><p class=MsoNormal style='margin-bottom:12.0pt'>On Sun, Jan 12, 2014 at 03:00:51AM +0100, Joerg Sonnenberger wrote:<br>> while looking at building NetBSD for older ARM ISAs, I hit the issue<br>> that MC belives that umlal and friends are v6+ only. There seems to be<br>> no reason for the complications in the matching, so just drop it.<o:p></o:p></p></div></div><p class=MsoNormal style='margin-bottom:12.0pt'>Further analysis shows that this is likely a bug in the patterns.<br>Can someone with more ARM knowledge please verify the attached patch?<br><span style='color:#888888'><br><span class=hoenzb>Joerg</span><br></span><br>_______________________________________________<br>llvm-commits mailing list<br><a href="mailto:llvm-commits@cs.uiuc.edu">llvm-commits@cs.uiuc.edu</a><br><a href="http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits" target="_blank">http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></div></body></html>