From 90adefcf7ea3c7a6ba1595d5656f006e01486672 Mon Sep 17 00:00:00 2001 From: Johnny Chen Date: Thu, 25 Feb 2010 03:28:51 +0000 Subject: Added tNOP for disassembly only. llvm-svn: 97105 --- llvm/lib/Target/ARM/ARMInstrThumb.td | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'llvm/lib') diff --git a/llvm/lib/Target/ARM/ARMInstrThumb.td b/llvm/lib/Target/ARM/ARMInstrThumb.td index 73a3b7c6ab6..1154c8608b7 100644 --- a/llvm/lib/Target/ARM/ARMInstrThumb.td +++ b/llvm/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; -- cgit v1.2.3