Added status flags register: EFLAGS.

llvm-svn: 41862
2007-09-11 19:53:28 +00:00 · 2007-09-11 19:53:28 +00:00 · 50b6730ae4
parent c7852a689a
commit 50b6730ae4
1 changed files with 6 additions and 0 deletions
--- a/llvm/lib/Target/X86/X86RegisterInfo.td
+++ b/llvm/lib/Target/X86/X86RegisterInfo.td
@ -161,6 +161,9 @@ let Namespace = "X86" in {
  def ST5 : Register<"ST(5)">, DwarfRegNum<16>;
  def ST6 : Register<"ST(6)">, DwarfRegNum<17>;
  def ST7 : Register<"ST(7)">, DwarfRegNum<18>; 
+
+  // Status flags register
+  def EFLAGS : Register<"EFLAGS">;
 }


@ -516,3 +519,6 @@ def VR128 : RegisterClass<"X86", [v16i8, v8i16, v4i32, v2i64, v4f32, v2f64],128,
    }
  }];
 }
+
+// Status flags registers.
+def CCR : RegisterClass<"X86", [i32], 32, [EFLAGS]>;