1 files changed, 57 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index c539eca..af61540 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -2598,6 +2598,63 @@ def LXADD8  : I<0xC0, MRMSrcMem, (outs GR8:$dst), (ins i8mem:$ptr, GR8:$val),
                 TB, LOCK;
 }
 
+// Atomic exchange and and, or, xor
+let Constraints = "$val = $dst", Defs = [EFLAGS],
+                  usesCustomDAGSchedInserter = 1 in {
+def ATOMAND32 : I<0xC1, MRMSrcMem,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
+               "#ATOMAND32 PSUEDO!", 
+               [(set GR32:$dst, (atomic_load_and addr:$ptr, GR32:$val))]>,
+                TB, LOCK;
+}
+
+let Constraints = "$val = $dst", Defs = [EFLAGS],
+                  usesCustomDAGSchedInserter = 1 in {
+def ATOMOR32 : I<0xC1, MRMSrcMem, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
+               "#ATOMOR32 PSUEDO!", 
+               [(set GR32:$dst, (atomic_load_or addr:$ptr, GR32:$val))]>,
+                TB, LOCK;
+}
+
+let Constraints = "$val = $dst", Defs = [EFLAGS],
+                  usesCustomDAGSchedInserter = 1 in {
+def ATOMXOR32 : I<0xC1, MRMSrcMem,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
+               "#ATOMXOR32 PSUEDO!", 
+               [(set GR32:$dst, (atomic_load_xor addr:$ptr, GR32:$val))]>,
+                TB, LOCK;
+}
+
+let Constraints = "$val = $dst", Defs = [EFLAGS],
+                  usesCustomDAGSchedInserter = 1 in {
+def ATOMMIN32: I<0xC1, MRMSrcMem, (outs GR32:$dst), (ins i32mem:$ptr, GR32:$val),
+               "#ATOMMIN32 PSUEDO!", 
+               [(set GR32:$dst, (atomic_load_min addr:$ptr, GR32:$val))]>,
+                TB, LOCK;
+}
+
+let Constraints = "$val = $dst", Defs = [EFLAGS],
+                  usesCustomDAGSchedInserter = 1 in {
+def ATOMMAX32: I<0xC1, MRMSrcMem, (outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
+               "#ATOMMAX32 PSUEDO!", 
+               [(set GR32:$dst, (atomic_load_max addr:$ptr, GR32:$val))]>,
+                TB, LOCK;
+}
+
+let Constraints = "$val = $dst", Defs = [EFLAGS],
+                  usesCustomDAGSchedInserter = 1 in {
+def ATOMUMIN32: I<0xC1, MRMSrcMem,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
+               "#ATOMUMIN32 PSUEDO!", 
+               [(set GR32:$dst, (atomic_load_umin addr:$ptr, GR32:$val))]>,
+                TB, LOCK;
+}
+
+let Constraints = "$val = $dst", Defs = [EFLAGS],
+                  usesCustomDAGSchedInserter = 1 in {
+def ATOMUMAX32: I<0xC1, MRMSrcMem,(outs GR32:$dst),(ins i32mem:$ptr, GR32:$val),
+               "#ATOMUMAX32 PSUEDO!", 
+               [(set GR32:$dst, (atomic_load_umax addr:$ptr, GR32:$val))]>,
+                TB, LOCK;
+}
+
 //===----------------------------------------------------------------------===//
 // Non-Instruction Patterns
 //===----------------------------------------------------------------------===//