diff options
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.td | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.td b/lib/Target/X86/X86RegisterInfo.td index 176e878..95269b1 100644 --- a/lib/Target/X86/X86RegisterInfo.td +++ b/lib/Target/X86/X86RegisterInfo.td @@ -833,4 +833,15 @@ def VR256 : RegisterClass<"X86", [v32i8, v8i32, v4i64, v8f32, v4f64], 256, // Status flags registers. def CCR : RegisterClass<"X86", [i32], 32, [EFLAGS]> { let CopyCost = -1; // Don't allow copying of status registers. + + // EFLAGS is not allocatable. + let MethodProtos = [{ + iterator allocation_order_end(const MachineFunction &MF) const; + }]; + let MethodBodies = [{ + CCRClass::iterator + CCRClass::allocation_order_end(const MachineFunction &MF) const { + return allocation_order_begin(MF); + } + }]; } |