Renumber SSE execution domains for better code size.
SSEDomainFix will collapse to the domain with the lower number when it has a
choice. The SSEPackedSingle domain often has smaller instructions, so prefer
that.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@99952 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index 614a211..d9b0960 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -3663,20 +3663,20 @@
// by intrinsics.
static const unsigned ReplaceableInstrs[][3] = {
//PackedInt PackedSingle PackedDouble
- { X86::MOVDQAmr, X86::MOVAPSmr, X86::MOVAPDmr },
- { X86::MOVDQArm, X86::MOVAPSrm, X86::MOVAPDrm },
- { X86::MOVDQArr, X86::MOVAPSrr, X86::MOVAPDrr },
- { X86::MOVDQUmr, X86::MOVUPSmr, X86::MOVUPDmr },
- { X86::MOVDQUrm, X86::MOVUPSrm, X86::MOVUPDrm },
- { X86::MOVNTDQmr, X86::MOVNTPSmr, X86::MOVNTPDmr },
- { X86::PANDNrm, X86::ANDNPSrm, X86::ANDNPDrm },
- { X86::PANDNrr, X86::ANDNPSrr, X86::ANDNPDrr },
- { X86::PANDrm, X86::ANDPSrm, X86::ANDPDrm },
- { X86::PANDrr, X86::ANDPSrr, X86::ANDPDrr },
- { X86::PORrm, X86::ORPSrm, X86::ORPDrm },
- { X86::PORrr, X86::ORPSrr, X86::ORPDrr },
- { X86::PXORrm, X86::XORPSrm, X86::XORPDrm },
- { X86::PXORrr, X86::XORPSrr, X86::XORPDrr },
+ { X86::MOVAPSmr, X86::MOVAPDmr, X86::MOVDQAmr },
+ { X86::MOVAPSrm, X86::MOVAPDrm, X86::MOVDQArm },
+ { X86::MOVAPSrr, X86::MOVAPDrr, X86::MOVDQArr },
+ { X86::MOVUPSmr, X86::MOVUPDmr, X86::MOVDQUmr },
+ { X86::MOVUPSrm, X86::MOVUPDrm, X86::MOVDQUrm },
+ { X86::MOVNTPSmr, X86::MOVNTPDmr, X86::MOVNTDQmr },
+ { X86::ANDNPSrm, X86::ANDNPDrm, X86::PANDNrm },
+ { X86::ANDNPSrr, X86::ANDNPDrr, X86::PANDNrr },
+ { X86::ANDPSrm, X86::ANDPDrm, X86::PANDrm },
+ { X86::ANDPSrr, X86::ANDPDrr, X86::PANDrr },
+ { X86::ORPSrm, X86::ORPDrm, X86::PORrm },
+ { X86::ORPSrr, X86::ORPDrr, X86::PORrr },
+ { X86::XORPSrm, X86::XORPDrm, X86::PXORrm },
+ { X86::XORPSrr, X86::XORPDrr, X86::PXORrr },
};
// FIXME: Some shuffle and unpack instructions have equivalents in different
@@ -3692,8 +3692,8 @@
std::pair<uint16_t, uint16_t>
X86InstrInfo::GetSSEDomain(const MachineInstr *MI) const {
uint16_t domain = (MI->getDesc().TSFlags >> X86II::SSEDomainShift) & 3;
- return std::make_pair(domain, domain != NotSSEDomain &&
- lookup(MI->getOpcode(), domain) ? 0xe : 0);
+ return std::make_pair(domain,
+ domain && lookup(MI->getOpcode(), domain) ? 0xe : 0);
}
void X86InstrInfo::SetSSEDomain(MachineInstr *MI, unsigned Domain) const {