diff options
| author | Vikram S. Adve <vadve@cs.uiuc.edu> | 2001-11-12 18:54:11 +0000 |
|---|---|---|
| committer | Vikram S. Adve <vadve@cs.uiuc.edu> | 2001-11-12 18:54:11 +0000 |
| commit | 3438b21ebde9424e26561e39c2882bf2368167d8 (patch) | |
| tree | eddb30e29a9cd2958be1d9c4091e5247db68d802 /lib/Target/SparcV9/SparcV9InstrSelection.cpp | |
| parent | 200a4359661e5ef8ec952a088ecc723d4581f606 (diff) | |
| download | external_llvm-3438b21ebde9424e26561e39c2882bf2368167d8.zip external_llvm-3438b21ebde9424e26561e39c2882bf2368167d8.tar.gz external_llvm-3438b21ebde9424e26561e39c2882bf2368167d8.tar.bz2 | |
Disable use of the Phi machine instruction which is no longer needed
for register allocation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1270 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/SparcV9/SparcV9InstrSelection.cpp')
| -rw-r--r-- | lib/Target/SparcV9/SparcV9InstrSelection.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/SparcV9/SparcV9InstrSelection.cpp b/lib/Target/SparcV9/SparcV9InstrSelection.cpp index 533d74c..4feecbb 100644 --- a/lib/Target/SparcV9/SparcV9InstrSelection.cpp +++ b/lib/Target/SparcV9/SparcV9InstrSelection.cpp @@ -2017,6 +2017,10 @@ GetInstructionsByRule(InstructionNode* subtreeRoot, } case 64: // reg: Phi(reg,reg) + numInstr = 0; // don't forward the value + break; +#undef NEED_PHI_MACHINE_INSTRS +#ifdef NEED_PHI_MACHINE_INSTRS { // This instruction has variable #operands, so resultPos is 0. Instruction* phi = subtreeRoot->getInstruction(); mvec[0] = new MachineInstr(PHI, 1 + phi->getNumOperands()); @@ -2027,6 +2031,7 @@ GetInstructionsByRule(InstructionNode* subtreeRoot, phi->getOperand(i)); break; } +#endif NEED_PHI_MACHINE_INSTRS case 71: // reg: VReg case 72: // reg: Constant |