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[Bug math/21047] arm: fpu_control.h: _FPU_GETCW/_FPU_SETCW is rejected by clang


https://sourceware.org/bugzilla/show_bug.cgi?id=21047

--- Comment #4 from Andreas Schwab <schwab@linux-m68k.org> ---
Compare MLA in T1 encoding vs MUL in T2 encoding.  MLA does not allow r15, and
the assembler rejects it.  MUL isn't just an alias for a particular MLA
encoding, but a different insn.  Same for MCR/MRC vs VMSR/VMRS.

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