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"Yann E. MORIN" <yann.morin.1998@free.fr> writes: > Esben, All, > > On Thursday 27 September 2012 06:38:58 Esben Haabendal wrote: >> Esben Haabendal <esben.haabendal@dev.prevas.dk> writes: >> >> > # HG changeset patch >> > # User Esben Haabendal <esben.haabendal@prevas.dk> >> > # Date 1348670462 -7200 >> > # Node ID 9303953d3983fc94c6b1ffffbcac72b9459bd8fa >> > # Parent a570b38101459a861ada6fa9f09c20f0a4fc3840 >> > libc/uClibc: add workaround patch for ICE in m68k builds >> > >> > This patch/workaround is similar to the one proposed in >> > http://www.mail-archive.com/uclibc@uclibc.org/msg02475.html >> > >> > Bug reproduced with GCC 4.6.3. >> >> Seems like GCC 4.7.2 does not require this workaround. > > Then, naybe it's gcc-4.6.3 (and earlier? maybe up to 4.7.1?) that should > be fixed, instead. Yes, but it don't know what fixed this in 4.7.2, so it is an uphill battle backporting this to all older GCC releases. >> Should we leave it out then, requiring use of gcc 4.7.2 or later for >> m68k/uClibc? Or patch it, and thus messing with optimization even for >> gcc 4.7.2 which does not need it? > > I've updated your sample to use 4.7.2 instead of 4.6.3. I have no way to > test m68k noMMU; could you give it a spin, please? I will. Late yesterday, I unfortunately found another ICE issue (in 4.7.2). It has already been reported: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53833 I haven't had time to investigate it further, but it seems to only be triggered when given fx. "--with-cpu=5208" in my case. Building a generic m68k compiler works fine. /Esben -- For unsubscribe information see http://sourceware.org/lists.html#faq
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