Improve error checking for tPUSH and tPOP register lists.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138295 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
index 0632e85..1ca3e1d 100644
--- a/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
+++ b/lib/Target/ARM/AsmParser/ARMAsmParser.cpp
@@ -3109,6 +3109,26 @@
break;
}
+ case ARM::tPOP: {
+ for (unsigned i = 2; i < Inst.getNumOperands(); ++i) {
+ unsigned Reg = Inst.getOperand(i).getReg();
+ // Anything other than a low register isn't legal here.
+ if (!isARMLowRegister(Reg) && Reg != ARM::PC)
+ return Error(Operands[2]->getStartLoc(),
+ "registers must be in range r0-r7 or pc");
+ }
+ break;
+ }
+ case ARM::tPUSH: {
+ for (unsigned i = 2; i < Inst.getNumOperands(); ++i) {
+ unsigned Reg = Inst.getOperand(i).getReg();
+ // Anything other than a low register isn't legal here.
+ if (!isARMLowRegister(Reg) && Reg != ARM::LR)
+ return Error(Operands[2]->getStartLoc(),
+ "registers must be in range r0-r7 or lr");
+ }
+ break;
+ }
}
return false;