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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50186 --- Comment #1 from SK santoshkumar.a at gmail dot com 2011-08-25 10:33:22 UTC --- Created attachment 25099 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=25099 build errors build errors
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50186 --- Comment #3 from SK santoshkumar.a at gmail dot com 2011-08-25 11:53:59 UTC --- Created attachment 25101 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=25101 do_mounts_rd.s assembly file
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50186 --- Comment #2 from SK santoshkumar.a at gmail dot com 2011-08-25 11:53:17 UTC --- Created attachment 25100 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=25100 intermidate file intermidate file do_mounts_rd.i
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50186 --- Comment #4 from SK santoshkumar.a at gmail dot com 2011-08-25 11:59:11 UTC --- Created attachment 25102 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=25102 cross compile script cross compile script
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50186 --- Comment #5 from SK santoshkumar.a at gmail dot com 2011-08-25 12:02:09 UTC --- at line 665 in do_mounts_rd.s mfcr 27,1 is a wrong instruction generated. As per Power ISA™ Version 2.05 mfcr take only one argument i.e mfcr RT. Let me know if i have to change any components used.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50186 --- Comment #6 from Jakub Jelinek jakub at gcc dot gnu.org 2011-08-25 12:05:46 UTC --- That seems like your gcc is assuming -mmfcrf for your CPU, yet your assembler can't assemble it (or is assembling for a CPU which doesn't have the mfcrf insn).
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50186 Jakub Jelinek jakub at gcc dot gnu.org changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #7 from Jakub Jelinek jakub at gcc dot gnu.org 2011-08-25 12:06:46 UTC --- MFCRF is ISA 2.01 BTW.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50186 --- Comment #8 from Jakub Jelinek jakub at gcc dot gnu.org 2011-08-25 12:10:26 UTC --- And 476 CPU according to rs6000-cpus.def should support that: RS6000_CPU (476, PROCESSOR_PPC476, POWERPC_BASE_MASK | MASK_SOFT_FLOAT | MASK_PPC_GFXOPT | MASK_MFCRF | MASK_POPCNTB | MASK_FPRND | MASK_CMPB | MASK_MULHW | MASK_DLMZB) so the bug is probably on your assembler side.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50186 --- Comment #9 from SK santoshkumar.a at gmail dot com 2011-08-25 15:01:26 UTC --- Just for checking i changed the instruction in .s file from mfcr 27,1 to mfcr 27 and used the assembler to generate the binary there was no error reported. Now i am confused whether it is fault with assembler if with compiler. Please suggest where to look into.
