X86: Implement a locking version of DEC.

2009-04-19 04:56:34 -07:00
parent 4f2d4f466a
commit 985d959ea6
1 changed files with 15 additions and 0 deletions
--- a/src/arch/x86/isa/insts/general_purpose/arithmetic/increment_and_decrement.py
+++ b/src/arch/x86/isa/insts/general_purpose/arithmetic/increment_and_decrement.py
@@ -108,4 +108,19 @@ def macroop DEC_P
    subi t1, t1, 1, flags=(OF, SF, ZF, AF, PF)
    st t1, seg, riprel, disp
 };
+
+def macroop DEC_LOCKED_M
+{
+    ldstl t1, seg, sib, disp
+    subi t1, t1, 1, flags=(OF, SF, ZF, AF, PF)
+    stul t1, seg, sib, disp
+};
+
+def macroop DEC_LOCKED_P
+{
+    rdip t7
+    ldstl t1, seg, riprel, disp
+    subi t1, t1, 1, flags=(OF, SF, ZF, AF, PF)
+    stul t1, seg, riprel, disp
+};
 '''