diff options
| author | Chris Lattner <sabre@nondot.org> | 2006-09-07 20:32:01 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-09-07 20:32:01 +0000 |
| commit | b14ca605d712cfcbabb9873b2ecaa623a295e3d0 (patch) | |
| tree | 0712a1b67567bd0b38217583940b06a2e2eba567 | |
| parent | 030035210394a8de95e5c205bec5d71b9c3f62e2 (diff) | |
Some notes on better load folding we could do
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30155 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp index 1751e9c4d1..3a8765330d 100644 --- a/lib/Target/X86/X86RegisterInfo.cpp +++ b/lib/Target/X86/X86RegisterInfo.cpp @@ -520,6 +520,7 @@ MachineInstr* X86RegisterInfo::foldMemoryOperand(MachineInstr *MI, { X86::TEST16rr, X86::TEST16rm }, { X86::TEST32rr, X86::TEST32rm }, { X86::TEST8rr, X86::TEST8rm }, + // FIXME: TEST*rr EAX,EAX ---> CMP [mem], 0 { X86::UCOMISDrr, X86::UCOMISDrm }, { X86::UCOMISSrr, X86::UCOMISSrm }, { X86::XCHG16rr, X86::XCHG16rm }, @@ -667,6 +668,7 @@ MachineInstr* X86RegisterInfo::foldMemoryOperand(MachineInstr *MI, { X86::SUBPSrr, X86::SUBPSrm }, { X86::SUBSDrr, X86::SUBSDrm }, { X86::SUBSSrr, X86::SUBSSrm }, + // FIXME: TEST*rr -> swapped operand of TEST*mr. { X86::UNPCKHPDrr, X86::UNPCKHPDrm }, { X86::UNPCKHPSrr, X86::UNPCKHPSrm }, { X86::UNPCKLPDrr, X86::UNPCKLPDrm }, |