From 58dcb0e0cd3fa973b5fd005aecab1df6aeea5cd6 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Mon, 16 Jun 2008 07:33:11 +0000 Subject: Add option to commuteInstruction() which forces it to create a new (commuted) instruction. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52308 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/X86/X86InstrInfo.cpp | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'lib/Target/X86/X86InstrInfo.cpp') diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp index 4384426..bbe5bd3 100644 --- a/lib/Target/X86/X86InstrInfo.cpp +++ b/lib/Target/X86/X86InstrInfo.cpp @@ -1146,7 +1146,8 @@ X86InstrInfo::convertToThreeAddress(MachineFunction::iterator &MFI, /// commuteInstruction - We have a few instructions that must be hacked on to /// commute them. /// -MachineInstr *X86InstrInfo::commuteInstruction(MachineInstr *MI) const { +MachineInstr * +X86InstrInfo::commuteInstruction(MachineInstr *MI, bool NewMI) const { switch (MI->getOpcode()) { case X86::SHRD16rri8: // A = SHRD16rri8 B, C, I -> A = SHLD16rri8 C, B, (16-I) case X86::SHLD16rri8: // A = SHLD16rri8 B, C, I -> A = SHRD16rri8 C, B, (16-I) @@ -1276,7 +1277,7 @@ MachineInstr *X86InstrInfo::commuteInstruction(MachineInstr *MI) const { // Fallthrough intended. } default: - return TargetInstrInfoImpl::commuteInstruction(MI); + return TargetInstrInfoImpl::commuteInstruction(MI, NewMI); } } -- cgit v1.1