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.h b/lib/Target/X86/X86InstrInfo.h
index 2486d1b..f0bdd06 100644
--- a/lib/Target/X86/X86InstrInfo.h
+++ b/lib/Target/X86/X86InstrInfo.h
@@ -399,7 +399,7 @@
GS = 2 << SegOvrShift,
// Execution domain for SSE instructions in bits 22, 23.
- // 0 in bits 22-23 means normal, non-SSE instruction. See SSEDomain below.
+ // 0 in bits 22-23 means normal, non-SSE instruction.
SSEDomainShift = 22,
OpcodeShift = 24,
@@ -719,9 +719,6 @@
///
unsigned getGlobalBaseReg(MachineFunction *MF) const;
- /// Some SSE instructions come in variants for three domains.
- enum SSEDomain { NotSSEDomain, PackedInt, PackedSingle, PackedDouble };
-
/// GetSSEDomain - Return the SSE execution domain of MI as the first element,
/// and a bitmask of possible arguments to SetSSEDomain ase the second.
std::pair<uint16_t, uint16_t> GetSSEDomain(const MachineInstr *MI) const;