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Add definitions of two subclasses of MipsInstrInfo, MipsInstrInfo (for mips16),

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and MipsSEInstrInfo (for mips32/64).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@161081 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Akira Hatanaka
2012-07-31 21:49:49 +00:00
parent b4f921b1f0
commit 0bc1adbbc4
9 changed files with 638 additions and 375 deletions
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15
lib/Target/Mips/MipsTargetMachine.cpp
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@ -12,6 +12,8 @@
//===----------------------------------------------------------------------===//
#include "MipsTargetMachine.h"
#include "MipsSEInstrInfo.h"
#include "Mips16InstrInfo.h"
#include "Mips.h"
#include "llvm/PassManager.h"
#include "llvm/CodeGen/Passes.h"
@ -26,6 +28,17 @@ extern "C" void LLVMInitializeMipsTarget() {
RegisterTargetMachine<MipselTargetMachine> B(TheMips64elTarget);
}
static const MipsInstrInfo *genInstrInfo(MipsTargetMachine &TM) {
const MipsInstrInfo *II;
if (TM.getSubtargetImpl()->inMips16Mode())
II = new Mips16InstrInfo(TM);
else
II = new MipsSEInstrInfo(TM);
return II;
}
// DataLayout --> Big-endian, 32-bit pointer/ABI/alignment
// The stack is always 8 byte aligned
// On function prologue, the stack is created by decrementing
@ -48,7 +61,7 @@ MipsTargetMachine(const Target &T, StringRef TT,
(Subtarget.isABI_N64() ?
"E-p:64:64:64-i8:8:32-i16:16:32-i64:64:64-f128:128:128-n32" :
"E-p:32:32:32-i8:8:32-i16:16:32-i64:64:64-n32")),
InstrInfo(*this),
InstrInfo(genInstrInfo(*this)),
FrameLowering(Subtarget),
TLInfo(*this), TSInfo(*this), JITInfo() {
}