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Diffstat (limited to 'lib/Target/ARM/ARMBaseInstrInfo.cpp')
-rw-r--r--lib/Target/ARM/ARMBaseInstrInfo.cpp14
1 files changed, 6 insertions, 8 deletions
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp
index ed001ea24a..126f160f6d 100644
--- a/lib/Target/ARM/ARMBaseInstrInfo.cpp
+++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp
@@ -1125,7 +1125,7 @@ bool ARMBaseInstrInfo::expandPostRAPseudo(MachineBasicBlock::iterator MI) const{
// copyPhysReg() calls. Look for VMOVS instructions that can legally be
// widened to VMOVD. We prefer the VMOVD when possible because it may be
// changed into a VORR that can go down the NEON pipeline.
- if (!WidenVMOVS || !MI->isCopy())
+ if (!WidenVMOVS || !MI->isCopy() || Subtarget.isCortexA15())
return false;
// Look for a copy between even S-registers. That is where we keep floats
@@ -3734,9 +3734,9 @@ ARMBaseInstrInfo::getExecutionDomain(const MachineInstr *MI) const {
if (MI->getOpcode() == ARM::VMOVD && !isPredicated(MI))
return std::make_pair(ExeVFP, (1<<ExeVFP) | (1<<ExeNEON));
- // A9-like cores are particularly picky about mixing the two and want these
+ // CortexA9 is particularly picky about mixing the two and wants these
// converted.
- if (Subtarget.isLikeA9() && !isPredicated(MI) &&
+ if (Subtarget.isCortexA9() && !isPredicated(MI) &&
(MI->getOpcode() == ARM::VMOVRS ||
MI->getOpcode() == ARM::VMOVSR ||
MI->getOpcode() == ARM::VMOVS))
@@ -4023,14 +4023,12 @@ ARMBaseInstrInfo::setExecutionDomain(MachineInstr *MI, unsigned Domain) const {
// VLD1DUPd32 - Writes all D-regs, no partial reg update, 2 uops.
//
// FCONSTD can be used as a dependency-breaking instruction.
-
-
unsigned ARMBaseInstrInfo::
getPartialRegUpdateClearance(const MachineInstr *MI,
unsigned OpNum,
const TargetRegisterInfo *TRI) const {
- // Only Swift has partial register update problems.
- if (!SwiftPartialUpdateClearance || !Subtarget.isSwift())
+ if (!SwiftPartialUpdateClearance ||
+ !(Subtarget.isSwift() || Subtarget.isCortexA15()))
return 0;
assert(TRI && "Need TRI instance");
@@ -4056,7 +4054,7 @@ getPartialRegUpdateClearance(const MachineInstr *MI,
// Explicitly reads the dependency.
case ARM::VLD1LNd32:
- UseOp = 1;
+ UseOp = 3;
break;
default:
return 0;