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| author | Chris Lattner <sabre@nondot.org> | 2006-02-02 20:16:12 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2006-02-02 20:16:12 +0000 |
| commit | 6524287c53cf727a8ef33517403fcb1bbd7adff9 (patch) | |
| tree | ca6c015446c3719738d1b19f92b98c7af11f449a /lib/Target | |
| parent | 408396014742a05cad1c91949d2226169e3f9d80 (diff) | |
| download | external_llvm-6524287c53cf727a8ef33517403fcb1bbd7adff9.zip external_llvm-6524287c53cf727a8ef33517403fcb1bbd7adff9.tar.gz external_llvm-6524287c53cf727a8ef33517403fcb1bbd7adff9.tar.bz2 | |
implement isStoreToStackSlot for PPC
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25914 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.cpp | 19 | ||||
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.h | 1 |
2 files changed, 19 insertions, 1 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.cpp b/lib/Target/PowerPC/PPCInstrInfo.cpp index 322d027..66251c0 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.cpp +++ b/lib/Target/PowerPC/PPCInstrInfo.cpp @@ -95,8 +95,25 @@ unsigned PPCInstrInfo::isLoadFromStackSlot(MachineInstr *MI, break; } return 0; - } +} +unsigned PPCInstrInfo::isStoreToStackSlot(MachineInstr *MI, + int &FrameIndex) const { + switch (MI->getOpcode()) { + default: break; + //case PPC::ST: ? + case PPC::STW: + case PPC::STFS: + case PPC::STFD: + if (MI->getOperand(1).isImmediate() && !MI->getOperand(1).getImmedValue() && + MI->getOperand(2).isFrameIndex()) { + FrameIndex = MI->getOperand(2).getFrameIndex(); + return MI->getOperand(0).getReg(); + } + break; + } + return 0; +} // commuteInstruction - We can commute rlwimi instructions, but only if the // rotate amt is zero. We also have to munge the immediates a bit. diff --git a/lib/Target/PowerPC/PPCInstrInfo.h b/lib/Target/PowerPC/PPCInstrInfo.h index d0be2d6..f046e5d 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.h +++ b/lib/Target/PowerPC/PPCInstrInfo.h @@ -40,6 +40,7 @@ public: unsigned& destReg) const; unsigned isLoadFromStackSlot(MachineInstr *MI, int &FrameIndex) const; + unsigned isStoreToStackSlot(MachineInstr *MI, int &FrameIndex) const; // commuteInstruction - We can commute rlwimi instructions, but only if the // rotate amt is zero. We also have to munge the immediates a bit. |