aboutsummaryrefslogtreecommitdiffstats
path: root/lib/Target/R600/R600EmitClauseMarkers.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/Target/R600/R600EmitClauseMarkers.cpp')
-rw-r--r--lib/Target/R600/R600EmitClauseMarkers.cpp67
1 files changed, 27 insertions, 40 deletions
diff --git a/lib/Target/R600/R600EmitClauseMarkers.cpp b/lib/Target/R600/R600EmitClauseMarkers.cpp
index 3fdc678..ff5ce5a 100644
--- a/lib/Target/R600/R600EmitClauseMarkers.cpp
+++ b/lib/Target/R600/R600EmitClauseMarkers.cpp
@@ -23,7 +23,9 @@
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
-namespace llvm {
+using namespace llvm;
+
+namespace {
class R600EmitClauseMarkersPass : public MachineFunctionPass {
@@ -36,8 +38,7 @@ private:
case AMDGPU::INTERP_PAIR_XY:
case AMDGPU::INTERP_PAIR_ZW:
case AMDGPU::INTERP_VEC_LOAD:
- case AMDGPU::DOT4_eg_pseudo:
- case AMDGPU::DOT4_r600_pseudo:
+ case AMDGPU::DOT_4:
return 4;
case AMDGPU::KILL:
return 0;
@@ -71,8 +72,7 @@ private:
case AMDGPU::INTERP_PAIR_ZW:
case AMDGPU::INTERP_VEC_LOAD:
case AMDGPU::COPY:
- case AMDGPU::DOT4_eg_pseudo:
- case AMDGPU::DOT4_r600_pseudo:
+ case AMDGPU::DOT_4:
return true;
default:
return false;
@@ -89,31 +89,6 @@ private:
}
}
- // Register Idx, then Const value
- std::vector<std::pair<unsigned, unsigned> > ExtractConstRead(MachineInstr *MI)
- const {
- const R600Operands::Ops OpTable[3][2] = {
- {R600Operands::SRC0, R600Operands::SRC0_SEL},
- {R600Operands::SRC1, R600Operands::SRC1_SEL},
- {R600Operands::SRC2, R600Operands::SRC2_SEL},
- };
- std::vector<std::pair<unsigned, unsigned> > Result;
-
- if (!TII->isALUInstr(MI->getOpcode()))
- return Result;
- for (unsigned j = 0; j < 3; j++) {
- int SrcIdx = TII->getOperandIdx(MI->getOpcode(), OpTable[j][0]);
- if (SrcIdx < 0)
- break;
- if (MI->getOperand(SrcIdx).getReg() == AMDGPU::ALU_CONST) {
- unsigned Const = MI->getOperand(
- TII->getOperandIdx(MI->getOpcode(), OpTable[j][1])).getImm();
- Result.push_back(std::pair<unsigned, unsigned>(SrcIdx, Const));
- }
- }
- return Result;
- }
-
std::pair<unsigned, unsigned> getAccessedBankLine(unsigned Sel) const {
// Sel is (512 + (kc_bank << 12) + ConstIndex) << 2
// (See also R600ISelLowering.cpp)
@@ -131,9 +106,13 @@ private:
bool SubstituteKCacheBank(MachineInstr *MI,
std::vector<std::pair<unsigned, unsigned> > &CachedConsts) const {
std::vector<std::pair<unsigned, unsigned> > UsedKCache;
- std::vector<std::pair<unsigned, unsigned> > Consts = ExtractConstRead(MI);
- assert(TII->isALUInstr(MI->getOpcode()) && "Can't assign Const");
+ const SmallVector<std::pair<MachineOperand *, int64_t>, 3> &Consts =
+ TII->getSrcs(MI);
+ assert((TII->isALUInstr(MI->getOpcode()) ||
+ MI->getOpcode() == AMDGPU::DOT_4) && "Can't assign Const");
for (unsigned i = 0, n = Consts.size(); i < n; ++i) {
+ if (Consts[i].first->getReg() != AMDGPU::ALU_CONST)
+ continue;
unsigned Sel = Consts[i].second;
unsigned Chan = Sel & 3, Index = ((Sel >> 2) - 512) & 31;
unsigned KCacheIndex = Index * 4 + Chan;
@@ -159,19 +138,22 @@ private:
return false;
}
- for (unsigned i = 0, n = Consts.size(); i < n; ++i) {
- switch(UsedKCache[i].first) {
+ for (unsigned i = 0, j = 0, n = Consts.size(); i < n; ++i) {
+ if (Consts[i].first->getReg() != AMDGPU::ALU_CONST)
+ continue;
+ switch(UsedKCache[j].first) {
case 0:
- MI->getOperand(Consts[i].first).setReg(
- AMDGPU::R600_KC0RegClass.getRegister(UsedKCache[i].second));
+ Consts[i].first->setReg(
+ AMDGPU::R600_KC0RegClass.getRegister(UsedKCache[j].second));
break;
case 1:
- MI->getOperand(Consts[i].first).setReg(
- AMDGPU::R600_KC1RegClass.getRegister(UsedKCache[i].second));
+ Consts[i].first->setReg(
+ AMDGPU::R600_KC1RegClass.getRegister(UsedKCache[j].second));
break;
default:
llvm_unreachable("Wrong Cache Line");
}
+ j++;
}
return true;
}
@@ -202,6 +184,9 @@ private:
if (TII->isALUInstr(I->getOpcode()) &&
!SubstituteKCacheBank(I, KCacheBanks))
break;
+ if (I->getOpcode() == AMDGPU::DOT_4 &&
+ !SubstituteKCacheBank(I, KCacheBanks))
+ break;
AluInstCount += OccupiedDwords(I);
}
unsigned Opcode = PushBeforeModifier ?
@@ -220,9 +205,11 @@ private:
public:
R600EmitClauseMarkersPass(TargetMachine &tm) : MachineFunctionPass(ID),
- TII (static_cast<const R600InstrInfo *>(tm.getInstrInfo())) { }
+ TII(0) { }
virtual bool runOnMachineFunction(MachineFunction &MF) {
+ TII = static_cast<const R600InstrInfo *>(MF.getTarget().getInstrInfo());
+
for (MachineFunction::iterator BB = MF.begin(), BB_E = MF.end();
BB != BB_E; ++BB) {
MachineBasicBlock &MBB = *BB;
@@ -246,7 +233,7 @@ public:
char R600EmitClauseMarkersPass::ID = 0;
-}
+} // end anonymous namespace
llvm::FunctionPass *llvm::createR600EmitClauseMarkers(TargetMachine &TM) {