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</o:shapelayout></xml><![endif]--></head><body lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Well, the title says it all.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>This patch teaches the AsmParser to accept some add/sub/cmp/cmn with<o:p></o:p></p><p class=MsoNormal>negative immediate operand and convert them as shown:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> add Rd, Rn, -imm -> sub Rd, Rn, imm<o:p></o:p></p><p class=MsoNormal> sub Rd, Rn, -imm -> add Rd, Rn, imm<o:p></o:p></p><p class=MsoNormal> adds Rd, Rn, -imm -> subs Rd, Rn, imm<o:p></o:p></p><p class=MsoNormal> subs Rd, Rn, -imm -> adds Rd, Rn, imm<o:p></o:p></p><p class=MsoNormal> cmp Rn, -imm -> cmn Rn, imm<o:p></o:p></p><p class=MsoNormal> cmn Rn, -imm -> cmp Rn, imm<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Those instructions are an alternate syntax available to assembly coders,<o:p></o:p></p><p class=MsoNormal>and are needed in order to support code already compiling with some other<o:p></o:p></p><p class=MsoNormal>assemblers.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>OK to commit ?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Cheers,<o:p></o:p></p><p class=MsoNormal>--<o:p></o:p></p><p class=MsoNormal>Arnaud A. de Grandmaison<o:p></o:p></p></div></body></html>