Revert r110655, "Fix ARM hasFP() semantics. It should return true whenever FP
register is", it breaks a couple test-suite tests.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@110701 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index c3d60ad..db550b1 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -742,15 +742,14 @@
unsigned
ARMTargetLowering::getRegPressureLimit(const TargetRegisterClass *RC,
MachineFunction &MF) const {
+ unsigned FPDiff = RegInfo->hasFP(MF) ? 1 : 0;
switch (RC->getID()) {
default:
return 0;
case ARM::tGPRRegClassID:
- return RegInfo->hasFP(MF) ? 4 : 5;
- case ARM::GPRRegClassID: {
- unsigned FP = RegInfo->hasFP(MF) ? 1 : 0;
- return 10 - FP - (Subtarget->isR9Reserved() ? 1 : 0);
- }
+ return 5 - FPDiff;
+ case ARM::GPRRegClassID:
+ return 10 - FPDiff - (Subtarget->isR9Reserved() ? 1 : 0);
case ARM::SPRRegClassID: // Currently not used as 'rep' register class.
case ARM::DPRRegClassID:
return 32 - 10;