[Bug gas/11013] New: Incorrect Thumb2 encoding for saturating addition and subtraction

[anthony dot fox at cl dot cam dot ac dot uk]

The following code produces incorrect op-codes:

@ start
.syntax unified
.thumb

qadd    r1,r2,r3
qdadd  r1,r2,r3
qsub    r1,r2,r3
qdsub  r1,r2,r3
@ finish

gas gives

FA82F183
FA82F193
FA82F1A3
FA82F1B3

whereas it should give

FA83F182
FA83F192
FA83F1A2
FA83F1B2

-- 
           Summary: Incorrect Thumb2 encoding for saturating addition and
                    subtraction
           Product: binutils
           Version: 2.20
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gas
        AssignedTo: unassigned at sources dot redhat dot com
        ReportedBy: anthony dot fox at cl dot cam dot ac dot uk
                CC: bug-binutils at gnu dot org
  GCC host triplet: i386-redhat-linux
GCC target triplet: arm-elf


http://sourceware.org/bugzilla/show_bug.cgi?id=11013

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