diff options
| -rw-r--r-- | lib/Target/X86/X86RegisterInfo.td | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Target/X86/X86RegisterInfo.td b/lib/Target/X86/X86RegisterInfo.td index 0d20b59..d8bbbd5 100644 --- a/lib/Target/X86/X86RegisterInfo.td +++ b/lib/Target/X86/X86RegisterInfo.td @@ -521,4 +521,6 @@ def VR128 : RegisterClass<"X86", [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64],128, } // Status flags registers. -def CCR : RegisterClass<"X86", [i32], 32, [EFLAGS]>; +def CCR : RegisterClass<"X86", [i32], 32, [EFLAGS]> { + let CopyCost = -1; // Don't allow copying of status registers. +} |