[llvm-bugs] [Bug 43382] [ARMv7] ldrb.w syntax issue

via llvm-bugs llvm-bugs at lists.llvm.org
Sat Sep 28 11:05:02 PDT 2019


Eli Friedman <efriedma at quicinc.com> changed:

           What    |Removed                     |Added
                 CC|                            |efriedma at quicinc.com
         Resolution|INVALID                     |---
             Status|RESOLVED                    |REOPENED

--- Comment #5 from Eli Friedman <efriedma at quicinc.com> ---
In this context, ldrb is unambiguously a wide instruction, so the ".w" isn't
really useful, but we should still accept it in the assembler.  From the
architecture reference:

LDRB{<c>}{<q>}  <Rt>, [<Rn>], #+/-<imm>

"<q>" is allowed to be ".w".

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