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Hi All. I've recently been looking into gcc bug 10904, which involves gcc generating instructions such as: fdtox %f8,%f7 on SPARC64 [1]. Sun's assembler chokes on this construct, while gas silently accepts it (and according to Sun's disassembler, the %f7 is encoded as %f38). One consequence of this is that when using gas with gcc on sparc64, the (broken) assembly is silently misassembled. I've attached a patch against binutils 2.14 which I believe tightens up these constraints. Please CC me as I'm not on the list. Cheers, --Andrew [1] The V9 arch manual I'm looking at doesn't seem to claim any alignment constraints on rd for f?tox, although Sun's assembler seems to believe otherwise.
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binutils.patch
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