Added VMRS/VMSR for disassembly only.

A8.6.335 & A8.6.336

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95703 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/ARM/ARMInstrVFP.td b/lib/Target/ARM/ARMInstrVFP.td
index 03b478d011f407a67a2786cf84e78ef36821973b..365e1e33ba29d33d650e2d6df2385e63c71615ba 100644 (file)
--- a/lib/Target/ARM/ARMInstrVFP.td
+++ b/lib/Target/ARM/ARMInstrVFP.td
@@ -516,6 +516,31 @@ def FMSTAT : VFPAI<(outs), (ins), VFPMiscFrm, IIC_fpSTAT, "vmrs",
   let Inst{4}     = 1;
 }
 
+// FPSCR <-> GPR (for disassembly only)
+
+let Uses = [FPSCR] in {
+def VMRS : VFPAI<(outs GPR:$dst), (ins), VFPMiscFrm, IIC_fpSTAT, "vmrs",
+                 "\t$dst, fpscr",
+             [/* For disassembly only; pattern left blank */]> {
+  let Inst{27-20} = 0b11101111;
+  let Inst{19-16} = 0b0001;
+  let Inst{11-8}  = 0b1010;
+  let Inst{7}     = 0;
+  let Inst{4}     = 1;
+}
+}
+
+let Defs = [FPSCR] in {
+def VMSR : VFPAI<(outs), (ins GPR:$src), VFPMiscFrm, IIC_fpSTAT, "vmsr",
+                 "\tfpscr, $src",
+             [/* For disassembly only; pattern left blank */]> {
+  let Inst{27-20} = 0b11101110;
+  let Inst{19-16} = 0b0001;
+  let Inst{11-8}  = 0b1010;
+  let Inst{7}     = 0;
+  let Inst{4}     = 1;
+}
+}
 
 // Materialize FP immediates. VFP3 only.
 let isReMaterializable = 1 in {