When using the 'push' mnemonic for Thumb2 stmdb, be explicit when it's the

32-bit wide version by adding the .w suffix.

llvm-svn: 120838

1 files changed, 4 insertions, 0 deletions

diff --git a/llvm/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp b/llvm/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
index cb4bdac0cdb..42f94ee5e34 100644
--- a/llvm/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
+++ b/llvm/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
@@ -67,6 +67,8 @@ void ARMInstPrinter::printInst(const MCInst *MI, raw_ostream &O) {
       MI->getOperand(0).getReg() == ARM::SP) {
     O << '\t' << "push";
     printPredicateOperand(MI, 2, O);
+    if (Opcode == ARM::t2STMDB_UPD)
+      O << ".w";
     O << '\t';
     printRegisterList(MI, 4, O);
     return;
@@ -77,6 +79,8 @@ void ARMInstPrinter::printInst(const MCInst *MI, raw_ostream &O) {
       MI->getOperand(0).getReg() == ARM::SP) {
     O << '\t' << "pop";
     printPredicateOperand(MI, 2, O);
+    if (Opcode == ARM::t2LDMIA_UPD)
+      O << ".w";
     O << '\t';
     printRegisterList(MI, 4, O);
     return;