X86: Implement a locking version of INC.

2009-04-19 04:56:31 -07:00 · 2009-04-19 04:56:31 -07:00 · 4f2d4f466a
parent 2394f73f90
commit 4f2d4f466a
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
@ -74,6 +74,21 @@ def macroop INC_P
    st t1, seg, riprel, disp
 };

+def macroop INC_LOCKED_M
+{
+    ldstl t1, seg, sib, disp
+    addi t1, t1, 1, flags=(OF, SF, ZF, AF, PF)
+    stul t1, seg, sib, disp
+};
+
+def macroop INC_LOCKED_P
+{
+    rdip t7
+    ldstl t1, seg, riprel, disp
+    addi t1, t1, 1, flags=(OF, SF, ZF, AF, PF)
+    stul t1, seg, riprel, disp
+};
+
 def macroop DEC_R
 {
    subi reg, reg, 1, flags=(OF, SF, ZF, AF, PF)