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Re: [sdcc-devel] [ sdcc-Bugs-3537338 ] Error 9 FATAL Compiler Internal Error
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From: Borut R. <bor...@gm...> - 2012-06-24 09:37:04
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Mac OS X i386 and x86 snapshot builds are re-started. SDCC RC2 will be made from today's snapshot builds. Borut On Sun, Jun 24, 2012 at 10:48 AM, Maarten Brock <sou...@ds...>wrote: > It's in rev. 7964. > > Maarten > > > No, it was not obvious to me. I thought that you asked Philipp to revert > > his changes, as it was obvious to me that the bug has to be fixed. > > > > Please apply the fix ASAP, I'll restart the builds if they already > started. > > > > Sorry for my misunderstanding. > > > > Borut > > > > > > On 23. 06. 2012 23:46, Maarten Brock wrote: > > > Borut, > > > > > > In case it wasn't obvious enough, I await approval for > > > my proposed 'fix'. > > > > > > Maarten > > > > > >> Bugs item #3537338, was opened at 2012-06-23 04:56 > > >> Message generated for change (Comment added) made by maartenbrock > > >> You can respond by visiting: > > >> > https://sourceforge.net/tracker/?func=detail&atid=100599&aid=3537338&group_id=599 > > >> > > >> Please note that this message will contain a full copy of the comment > thread, > > >> including the initial issue submission, for this request, > > >> not just the latest update. > > >> Category: mcs51(8051) target > > >> Group: None > > >> Status: Open > > >> Resolution: None > > >> Priority: 8 > > >> Private: No > > >> Submitted By: Maarten Brock (maartenbrock) > > >> Assigned to: Maarten Brock (maartenbrock) > > >> Summary: Error 9 FATAL Compiler Internal Error > > >> > > >> Initial Comment: > > >> SDCC 3.2.0 Release Candidate generates: > > >> > > >> error 9: FATAL Compiler Internal Error in file > '/home/sdcc-builder/build/sdcc-build/orig/sdcc/src/mcs51/gen.c' line number > '8963' : code generator internal error > > >> Contact Author with source code > > >> > > >> for the code below that compiled fine with SDCC 3.1.0. I'm looking > into it,but I think this must be fixed before the release. > > >> > > >> int globals[16]; > > >> > > >> int testBug(unsigned char index) > > >> { > > >> return *(globals+index); > > >> } > > >> > > >> > > >> ---------------------------------------------------------------------- > > >> > > >>> Comment By: Maarten Brock (maartenbrock) > > >> Date: 2012-06-23 13:00 > > >> > > >> Message: > > >> Well, the weird thing is that this comment is in both the mcs51 and > the z80 > > >> port and in both genLeftShiftLiteral and genRightShiftLiteral but the > > >> assertion is only in two unrelated places. > > >> > > >> I suggest to remove the assertion in mcs51 now (before the release) > as it > > >> breaks previously correctly generated code. Then keep this item open > until > > >> the underlying problem is really fixed and the assertions can appear > at all > > >> assumption comments. > > >> > > >> ---------------------------------------------------------------------- > > >> > > >> Comment By: Philipp Klaus Krause (spth) > > >> Date: 2012-06-23 08:16 > > >> > > >> Message: > > >> I had been hunting down another bug. After I finally had tracked it > down, I > > >> noticed that in z80 port, in genRightShiftLiteral() in a place were > there > > >> was a comment "/* I suppose that the left size >= result size */" had > there > > >> been an assertion that had checked what the comment stated, I would > have > > >> found the bug much earlier. So I added the assertion there. Then I > noticed > > >> there was another such comment "/* I suppose that the left size >= > result > > >> size */" in the cs51 port, genLeftShiftLiteral(). Adding the assertion > > >> caused no regression failures, so I thought it would be a good idea > to add > > >> an assertion to check for what the comment states. > > >> > > >> Philipp > > >> > > >> > > >> ---------------------------------------------------------------------- > > >> > > >> Comment By: Maarten Brock (maartenbrock) > > >> Date: 2012-06-23 07:45 > > >> > > >> Message: > > >> This wassert was added by Philipp in #7628 to: > > >> genLeftShiftLiteral in mcs51/gen.c > > >> genRightShiftLiteral in z80/gen.c > > >> > > >> But I don't understand why only for LeftShift in mcs51 and only for > > >> RightShift in z80. > > >> > > >> And without the wassert the mcs51 generates correct code (for > unsigned char > > >> index). So I was inclined to remove it again. Or move it to > RightShift. But > > >> for signed char index the code is wrong. > > >> > > >> ---------------------------------------------------------------------- > > >> > > >> You can respond by visiting: > > >> > https://sourceforge.net/tracker/?func=detail&atid=100599&aid=3537338&group_id=599 > > >> > > >> > ------------------------------------------------------------------------------ > > >> Live Security Virtual Conference > > >> Exclusive live event will cover all the ways today's security and > > >> threat landscape has changed and how IT managers can respond. > Discussions > > >> will include endpoint security, mobile security and the latest in > malware > > >> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > > >> _______________________________________________ > > >> sdcc-devel mailing list > > >> sdc...@li... > > >> https://lists.sourceforge.net/lists/listinfo/sdcc-devel > > >> > > > > > > > > > > ------------------------------------------------------------------------------ > > > Live Security Virtual Conference > > > Exclusive live event will cover all the ways today's security and > > > threat landscape has changed and how IT managers can respond. > Discussions > > > will include endpoint security, mobile security and the latest in > malware > > > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > > > _______________________________________________ > > > sdcc-devel mailing list > > > sdc...@li... > > > https://lists.sourceforge.net/lists/listinfo/sdcc-devel > > > > > > > > > > > > > > > ------------------------------------------------------------------------------ > > Live Security Virtual Conference > > Exclusive live event will cover all the ways today's security and > > threat landscape has changed and how IT managers can respond. Discussions > > will include endpoint security, mobile security and the latest in malware > > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > > _______________________________________________ > > sdcc-devel mailing list > > sdc...@li... > > https://lists.sourceforge.net/lists/listinfo/sdcc-devel > > > > > > > ------------------------------------------------------------------------------ > Live Security Virtual Conference > Exclusive live event will cover all the ways today's security and > threat landscape has changed and how IT managers can respond. Discussions > will include endpoint security, mobile security and the latest in malware > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ > _______________________________________________ > sdcc-devel mailing list > sdc...@li... > https://lists.sourceforge.net/lists/listinfo/sdcc-devel > |