From: Johnny Chen Date: Thu, 25 Feb 2010 03:28:51 +0000 (+0000) Subject: Added tNOP for disassembly only. X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=bd2c623903d4b9f4f1c8192bcf48811dbd3f7bc4;p=oota-llvm.git Added tNOP for disassembly only. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97105 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/lib/Target/ARM/ARMInstrThumb.td b/lib/Target/ARM/ARMInstrThumb.td index 73a3b7c6ab6..1154c8608b7 100644 --- a/lib/Target/ARM/ARMInstrThumb.td +++ b/lib/Target/ARM/ARMInstrThumb.td @@ -135,6 +135,13 @@ PseudoInst<(outs), (ins i32imm:$amt), NoItinerary, [(ARMcallseq_start imm:$amt)]>, Requires<[IsThumb1Only]>; } +def tNOP : T1pI<(outs), (ins), NoItinerary, "nop", "", + [/* For disassembly only; pattern left blank */]>, + T1Encoding<0b101111> { + let Inst{9-8} = 0b11; + let Inst{7-0} = 0b00000000; +} + // The i32imm operand $val can be used by a debugger to store more information // about the breakpoint. def tBKPT : T1I<(outs), (ins i32imm:$val), NoItinerary, "bkpt\t$val", @@ -347,7 +354,7 @@ let isBranch = 1, isTerminator = 1 in { // A8.6.16 B: Encoding T1 // If Inst{11-8} == 0b1111 then SEE SVC let isCall = 1 in { -def tSVC : T1I<(outs), (ins i32imm:$svc, pred:$cc), IIC_Br, "svc$cc\t$svc", []>, +def tSVC : T1pI<(outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc", []>, Encoding16 { let Inst{15-12} = 0b1101; let Inst{11-8} = 0b1111;