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Uh, any locals referenced in a finally block?<BR>
And whatever locals are referenced by try/except/raise/lock?<BR>
If we have that capability easily.<BR>
Anyway, parse.c doesn't change much.<BR>
<BR>
- Jay<BR> <BR>
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From: hosking@cs.purdue.edu<BR>To: jay.krell@cornell.edu<BR>Date: Mon, 11 May 2009 16:54:26 +1000<BR>CC: m3commit@elegosoft.com<BR>Subject: Re: [M3commit] CVS Update: cm3<BR><BR>
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<DIV style="WORD-WRAP: break-word"><SPAN class=EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN class=EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN class=EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN class=EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN class=EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN class=EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN class=EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN class=EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate">
<DIV>On 11 May 2009, at 16:49, Jay wrote:</DIV></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></DIV></SPAN></DIV>
<DIV><BR class=EC_Apple-interchange-newline>
<BLOCKQUOTE><SPAN class=EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate">
<DIV class=EC_hmmessage style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana">It is, you know, a reasonable message.</DIV></SPAN></BLOCKQUOTE>
<DIV><BR></DIV>
<DIV>I know.</DIV><BR>
<BLOCKQUOTE><SPAN class=EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate">
<DIV class=EC_hmmessage style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana">One might wonder how we avoided it?</DIV></SPAN></BLOCKQUOTE>
<DIV><BR></DIV>
<DIV>I don't recall seeing it before and wonder if something has changed in the way locals are handled since last I tried -O3.</DIV><BR>
<BLOCKQUOTE><SPAN class=EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate">
<DIV class=EC_hmmessage style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana">Mark all locals volatile in functions with try/raise/fatal?</DIV></SPAN></BLOCKQUOTE>
<DIV><BR></DIV>
<DIV>I suppose, though I think we'd like to be smarter.</DIV><BR>
<BLOCKQUOTE><SPAN class=EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate">
<DIV class=EC_hmmessage style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana"><BR> <BR> - Jay<BR><BR> <BR>
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From:<SPAN class=EC_Apple-converted-space> </SPAN><A href="mailto:jay.krell@cornell.edu">jay.krell@cornell.edu</A><BR>To:<SPAN class=EC_Apple-converted-space> </SPAN><A href="mailto:hosking@cs.purdue.edu">hosking@cs.purdue.edu</A><BR>Date: Mon, 11 May 2009 06:47:49 +0000<BR>CC:<SPAN class=EC_Apple-converted-space> </SPAN><A href="mailto:m3commit@elegosoft.com">m3commit@elegosoft.com</A><BR>Subject: Re: [M3commit] CVS Update: cm3<BR><BR>I don't think so.<BR> <BR> - Jay<BR> <BR>
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From:<SPAN class=EC_Apple-converted-space> </SPAN><A href="mailto:hosking@cs.purdue.edu">hosking@cs.purdue.edu</A><BR>To:<SPAN class=EC_Apple-converted-space> </SPAN><A href="mailto:hosking@cs.purdue.edu">hosking@cs.purdue.edu</A><BR>Date: Mon, 11 May 2009 15:19:31 +1000<BR>CC:<SPAN class=EC_Apple-converted-space> </SPAN><A href="mailto:m3commit@elegosoft.com">m3commit@elegosoft.com</A>;<SPAN class=EC_Apple-converted-space> </SPAN><A href="mailto:jay.krell@cornell.edu">jay.krell@cornell.edu</A><BR>Subject: Re: [M3commit] CVS Update: cm3<BR><BR>
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<DIV>Jay,</DIV>
<DIV><BR></DIV>
<DIV>Have you changed something about how the compiler invokes setjmp/longjmp for exception handling?</DIV>
<DIV><BR></DIV>
<DIV>-- Tony</DIV></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></SPAN></DIV></SPAN></DIV><BR>
<DIV>
<DIV>On 11 May 2009, at 15:18, Tony Hosking wrote:</DIV><BR class=EC_EC_EC_Apple-interchange-newline>
<BLOCKQUOTE>
<DIV style="WORD-WRAP: break-word">We didn't used to get these errors with -O3. I don't know what has changed with the compiler backend, but something new is happening. We should check the logs to see the last time I pushed through -O3, and figure out what changed since.
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<DIV style="WORD-WRAP: break-word"><SPAN class=EC_EC_EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN class=EC_EC_EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN class=EC_EC_EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN class=EC_EC_EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN class=EC_EC_EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN class=EC_EC_EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN class=EC_EC_EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate"><SPAN class=EC_EC_EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate">
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<DIV>
<DIV>On 11 May 2009, at 14:48, Jay wrote:</DIV><BR class=EC_EC_EC_Apple-interchange-newline>
<BLOCKQUOTE><SPAN class=EC_EC_EC_Apple-style-span style="WORD-SPACING: 0px; FONT: 12px Helvetica; TEXT-TRANSFORM: none; COLOR: rgb(0,0,0); TEXT-INDENT: 0px; WHITE-SPACE: normal; LETTER-SPACING: normal; BORDER-COLLAPSE: separate">
<DIV class=EC_EC_EC_hmmessage style="FONT-SIZE: 10pt; FONT-FAMILY: Verdana">I got a lot of those warnings when I tried -O3.<BR>And one error running the result that I didn't look into.<BR> <BR> - Jay<BR><BR> <BR>> Date: Mon, 11 May 2009 05:24:22 +0000<BR>> To:<SPAN class=EC_EC_EC_Apple-converted-space> </SPAN><A href="mailto:m3commit@elegosoft.com">m3commit@elegosoft.com</A><BR>> From:<SPAN class=EC_EC_EC_Apple-converted-space> </SPAN><A href="mailto:hosking@elego.de">hosking@elego.de</A><BR>> Subject: [M3commit] CVS Update: cm3<BR>><SPAN class=EC_EC_EC_Apple-converted-space> </SPAN><BR>> CVSROOT: /usr/cvs<BR>> Changes by: hosking@birch. 09/05/11 05:24:22<BR>><SPAN class=EC_EC_EC_Apple-converted-space> </SPAN><BR>> Modified files:<BR>> cm3/m3-libs/m3core/src/runtime/POSIX/: RTPerfTool.m3<SPAN class=EC_EC_EC_Apple-converted-space> </SPAN><BR>><SPAN class=EC_EC_EC_Apple-converted-space> </SPAN><BR>> Log message:<BR>> Avoid warning:<BR>><SPAN class=EC_EC_EC_Apple-converted-space> </SPAN><BR>> ../src/runtime/POSIX/RTPerfTool.m3: In function 'RTPerfTool__StartTool':<BR>> ../src/runtime/POSIX/RTPerfTool.m3:125: warning: variable 'M3_AcxOUs_execResult' might be clobbered by 'longjmp' or 'vfork'<BR>><SPAN class=EC_EC_EC_Apple-converted-space> </SPAN><BR></DIV></SPAN></BLOCKQUOTE></DIV><BR></DIV></DIV></BLOCKQUOTE></DIV><BR></DIV></SPAN><BR class=EC_Apple-interchange-newline></BLOCKQUOTE></DIV><BR></body>
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