Thumb2 32-bit ldm / stm needs .w suffix if submode is ia.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@78410 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td
index 11b0454..d4ee7c0 100644
--- a/lib/Target/ARM/ARMInstrThumb2.td
+++ b/lib/Target/ARM/ARMInstrThumb2.td
@@ -651,12 +651,12 @@
let mayLoad = 1 in
def t2LDM : T2XI<(outs),
(ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
- IIC_iLoad, "ldm${addr:submode}${p} $addr, $dst1", []>;
+ IIC_iLoad, "ldm${addr:submode}${p}${addr:wide} $addr, $dst1", []>;
let mayStore = 1 in
def t2STM : T2XI<(outs),
(ins addrmode4:$addr, pred:$p, reglist:$src1, variable_ops),
- IIC_iStore, "stm${addr:submode}${p} $addr, $src1", []>;
+ IIC_iStore, "stm${addr:submode}${p}${addr:wide} $addr, $src1", []>;
//===----------------------------------------------------------------------===//
// Move Instructions.
@@ -1072,7 +1072,7 @@
let isReturn = 1, isTerminator = 1, mayLoad = 1 in
def t2LDM_RET : T2XI<(outs),
(ins addrmode4:$addr, pred:$p, reglist:$dst1, variable_ops),
- IIC_iLoad, "ldm${addr:submode}${p} $addr, $dst1",
+ IIC_iLoad, "ldm${addr:submode}${p}${addr:wide} $addr, $dst1",
[]>;
let isBranch = 1, isTerminator = 1, isBarrier = 1 in {
diff --git a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
index 7b19969..3bbb3b9 100644
--- a/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
+++ b/lib/Target/ARM/AsmPrinter/ARMAsmPrinter.cpp
@@ -599,6 +599,10 @@
O << ARM_AM::getAMSubModeAltStr(Mode, isLDM);
} else
O << ARM_AM::getAMSubModeStr(Mode);
+ } else if (Modifier && strcmp(Modifier, "wide") == 0) {
+ ARM_AM::AMSubMode Mode = ARM_AM::getAM4SubMode(MO2.getImm());
+ if (Mode == ARM_AM::ia)
+ O << ".w";
} else {
printOperand(MI, Op);
if (ARM_AM::getAM4WBFlag(MO2.getImm()))