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| author | Johnny Chen <johnny.chen@apple.com> | 2010-02-11 17:14:31 +0000 |
|---|---|---|
| committer | Johnny Chen <johnny.chen@apple.com> | 2010-02-11 17:14:31 +0000 |
| commit | ba6e033f4f2b22dce4766a55dead8385a955fd46 (patch) | |
| tree | 5af02f614f879efabf3b5a8bd2b33acd928c7f7c | |
| parent | e9d10a6c398246fac376804143e868d6c20b6947 (diff) | |
Add pseudo instruction TRAP for disassembly, which is encoded according to A5-21
as the "Permanently UNDEFINED" instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95873 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.td | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td index eb7d4e4044..1e3847fcfd 100644 --- a/lib/Target/ARM/ARMInstrInfo.td +++ b/lib/Target/ARM/ARMInstrInfo.td @@ -619,6 +619,16 @@ def DBG : AI<(outs), (ins i32imm:$opt), Pseudo, NoItinerary, "dbg", "\t$opt", let Inst{7-4} = 0b1111; } +// A5.4 Permanently UNDEFINED instructions. +def TRAP : AI<(outs), (ins), Pseudo, NoItinerary, "trap", "", + [/* For disassembly only; pattern left blank */]>, + Requires<[IsARM]> { + let Inst{27-25} = 0b011; + let Inst{24-20} = 0b11111; + let Inst{7-5} = 0b111; + let Inst{4} = 0b1; +} + // Address computation and loads and stores in PIC mode. let isNotDuplicable = 1 in { def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p), |