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| 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 | 1b7f09cdf793979778f12e1e58dc1f5b04fc9adb (patch) | |
| tree | 9730dbe4b1fa60508c9f83d33ff615a3b5653bad /llvm/lib | |
| parent | 12ee0cbde404df5e00aeac272f04b058d06956b3 (diff) | |
| download | bcm5719-llvm-1b7f09cdf793979778f12e1e58dc1f5b04fc9adb.tar.gz bcm5719-llvm-1b7f09cdf793979778f12e1e58dc1f5b04fc9adb.zip | |
Some notes on better load folding we could do
llvm-svn: 30155
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86RegisterInfo.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86RegisterInfo.cpp b/llvm/lib/Target/X86/X86RegisterInfo.cpp index 1751e9c4d1c..3a8765330db 100644 --- a/llvm/lib/Target/X86/X86RegisterInfo.cpp +++ b/llvm/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 }, |
