[Bug gas/12854] ARM: Nonsensical argument shift specifications accepted for LSL/LSR/ASR/ROR mnemonics

[dave.martin at linaro dot org]

http://sourceware.org/bugzilla/show_bug.cgi?id=12854

Dave Martin <dave.martin at linaro dot org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|FIXED                       |

--- Comment #9 from Dave Martin <dave.martin at linaro dot org> 2011-06-13 
10:34:44 UTC ---
Due to a mistake I made when testing the commit, I accidentally discovered that
in Thumb, the fix only works for unified syntax.  Try:

.thumb_func
f:
        ror     r0, r0, r2, lsl #1
        lsl     r0, r0, r2, lsl #1
        lsl     r0, r0, r2, asr r0
.syntax unified
        ror     r0, r0, r2, lsl #1
        lsl     r0, r0, r2, lsl #1
        lsl     r0, r0, r2, asr r0

The first three instructions are assembled without error; the last three cause
appropriate errors.

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