diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/R600/SIISelLowering.cpp | 15 | ||||
| -rw-r--r-- | lib/Target/R600/SIInstructions.td | 17 |
2 files changed, 29 insertions, 3 deletions
diff --git a/lib/Target/R600/SIISelLowering.cpp b/lib/Target/R600/SIISelLowering.cpp index 4d0fdf3..336bfbf 100644 --- a/lib/Target/R600/SIISelLowering.cpp +++ b/lib/Target/R600/SIISelLowering.cpp @@ -296,6 +296,21 @@ MachineBasicBlock * SITargetLowering::EmitInstrWithCustomInserter( MI->eraseFromParent(); break; } + case AMDGPU::V_SUB_F64: { + const SIInstrInfo *TII = + static_cast<const SIInstrInfo*>(getTargetMachine().getInstrInfo()); + BuildMI(*BB, I, MI->getDebugLoc(), TII->get(AMDGPU::V_ADD_F64), + MI->getOperand(0).getReg()) + .addReg(MI->getOperand(1).getReg()) + .addReg(MI->getOperand(2).getReg()) + .addImm(0) /* src2 */ + .addImm(0) /* ABS */ + .addImm(0) /* CLAMP */ + .addImm(0) /* OMOD */ + .addImm(2); /* NEG */ + MI->eraseFromParent(); + break; + } } return BB; } diff --git a/lib/Target/R600/SIInstructions.td b/lib/Target/R600/SIInstructions.td index 3deaa2e..eed4f7f 100644 --- a/lib/Target/R600/SIInstructions.td +++ b/lib/Target/R600/SIInstructions.td @@ -1232,17 +1232,23 @@ def SI_INDIRECT_DST_V16 : SI_INDIRECT_DST<VReg_512>; } // Uses = [EXEC,VCC,M0], Defs = [EXEC,VCC,M0] -// This psuedo instruction takes a pointer as input and outputs a resource -// constant that can be used with the ADDR64 MUBUF instructions. - let usesCustomInserter = 1 in { +// This psuedo instruction takes a pointer as input and outputs a resource +// constant that can be used with the ADDR64 MUBUF instructions. def SI_ADDR64_RSRC : InstSI < (outs SReg_128:$srsrc), (ins SReg_64:$ptr), "", [] >; +def V_SUB_F64 : InstSI < + (outs VReg_64:$dst), + (ins VReg_64:$src0, VReg_64:$src1), + "V_SUB_F64 $dst, $src0, $src1", + [] +>; + } // end usesCustomInserter } // end IsCodeGenOnly, isPseudo @@ -1271,6 +1277,11 @@ def : Pat < $src0, $src1, $src2, $src3) >; +def : Pat < + (f64 (fsub f64:$src0, f64:$src1)), + (V_SUB_F64 $src0, $src1) +>; + /********** ======================= **********/ /********** Image sampling patterns **********/ /********** ======================= **********/ |