X86: Implement a locking version of XOR.

diff --git a/src/arch/x86/isa/insts/general_purpose/logical.py b/src/arch/x86/isa/insts/general_purpose/logical.py
index 97b09fb016a8019ceab71c8e3e2019b75e5b95d8..c57d306dc5d87a6a547bb9d8f7c218c66596e373 100644 (file)
--- a/src/arch/x86/isa/insts/general_purpose/logical.py
+++ b/src/arch/x86/isa/insts/general_purpose/logical.py
@@ -170,6 +170,23 @@ def macroop XOR_P_I
     st t1, seg, riprel, disp
 };
 
+def macroop XOR_LOCKED_M_I
+{
+    limm t2, imm
+    ldstl t1, seg, sib, disp
+    xor t1, t1, t2, flags=(OF,SF,ZF,PF,CF)
+    stul t1, seg, sib, disp
+};
+
+def macroop XOR_LOCKED_P_I
+{
+    limm t2, imm
+    rdip t7
+    ldstl t1, seg, riprel, disp
+    xor t1, t1, t2, flags=(OF,SF,ZF,PF,CF)
+    stul t1, seg, riprel, disp
+};
+
 def macroop XOR_M_R
 {
     ldst t1, seg, sib, disp
@@ -185,6 +202,21 @@ def macroop XOR_P_R
     st t1, seg, riprel, disp
 };
 
+def macroop XOR_LOCKED_M_R
+{
+    ldstl t1, seg, sib, disp
+    xor t1, t1, reg, flags=(OF,SF,ZF,PF,CF)
+    stul t1, seg, sib, disp
+};
+
+def macroop XOR_LOCKED_P_R
+{
+    rdip t7
+    ldstl t1, seg, riprel, disp
+    xor t1, t1, reg, flags=(OF,SF,ZF,PF,CF)
+    stul t1, seg, riprel, disp
+};
+
 def macroop XOR_R_M
 {
     ld t1, seg, sib, disp