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authorDerek Schuff <dschuff@chromium.org>2012-09-25 17:30:25 -0700
committerDerek Schuff <dschuff@chromium.org>2012-09-25 18:01:23 -0700
commita27c28b1427dc2082ab2b31efdbb25f9fde31b61 (patch)
tree6f3ff025f542ca3f66a1a01cbf239aeef7784511 /lib/Target/ARM/ARMFastISel.cpp
parent0e15ffd8cb1ec642eddb96380660914ff2b007e1 (diff)
parentbc4021f31eaa97ee52655828da3e3de14a39e4a6 (diff)
Merge commit 'bc4021f31eaa97ee52655828da3e3de14a39e4a6'
Conflicts: lib/MC/MCAssembler.cpp lib/Target/ARM/ARMISelDAGToDAG.cpp lib/Target/Mips/MipsInstrFPU.td lib/Target/X86/MCTargetDesc/X86AsmBackend.cpp lib/Target/X86/X86ISelLowering.h
Diffstat (limited to 'lib/Target/ARM/ARMFastISel.cpp')
-rw-r--r--lib/Target/ARM/ARMFastISel.cpp12
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMFastISel.cpp b/lib/Target/ARM/ARMFastISel.cpp
index 873404effd..d6ef3f333b 100644
--- a/lib/Target/ARM/ARMFastISel.cpp
+++ b/lib/Target/ARM/ARMFastISel.cpp
@@ -1026,6 +1026,9 @@ bool ARMFastISel::ARMEmitLoad(EVT VT, unsigned &ResultReg, Address &Addr,
RC = &ARM::GPRRegClass;
break;
case MVT::i16:
+ if (Alignment && Alignment < 2 && !Subtarget->allowsUnalignedMem())
+ return false;
+
if (isThumb2) {
if (Addr.Offset < 0 && Addr.Offset > -256 && Subtarget->hasV6T2Ops())
Opc = isZExt ? ARM::t2LDRHi8 : ARM::t2LDRSHi8;
@@ -1038,6 +1041,9 @@ bool ARMFastISel::ARMEmitLoad(EVT VT, unsigned &ResultReg, Address &Addr,
RC = &ARM::GPRRegClass;
break;
case MVT::i32:
+ if (Alignment && Alignment < 4 && !Subtarget->allowsUnalignedMem())
+ return false;
+
if (isThumb2) {
if (Addr.Offset < 0 && Addr.Offset > -256 && Subtarget->hasV6T2Ops())
Opc = ARM::t2LDRi8;
@@ -1144,6 +1150,9 @@ bool ARMFastISel::ARMEmitStore(EVT VT, unsigned SrcReg, Address &Addr,
}
break;
case MVT::i16:
+ if (Alignment && Alignment < 2 && !Subtarget->allowsUnalignedMem())
+ return false;
+
if (isThumb2) {
if (Addr.Offset < 0 && Addr.Offset > -256 && Subtarget->hasV6T2Ops())
StrOpc = ARM::t2STRHi8;
@@ -1155,6 +1164,9 @@ bool ARMFastISel::ARMEmitStore(EVT VT, unsigned SrcReg, Address &Addr,
}
break;
case MVT::i32:
+ if (Alignment && Alignment < 4 && !Subtarget->allowsUnalignedMem())
+ return false;
+
if (isThumb2) {
if (Addr.Offset < 0 && Addr.Offset > -256 && Subtarget->hasV6T2Ops())
StrOpc = ARM::t2STRi8;