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authorGabe Black <gblack@eecs.umich.edu>2009-04-19 04:56:20 -0700
committerGabe Black <gblack@eecs.umich.edu>2009-04-19 04:56:20 -0700
commit750f5a0a67ccbce9b11c8ad308863be87ce89fbc (patch)
tree27f16ed86c612b072c959ab2207213ccf2d1195c /src
parentcfb289ebebe18f75e464bc32fe54c535a3c9370a (diff)
downloadgem5-750f5a0a67ccbce9b11c8ad308863be87ce89fbc.tar.xz
X86: Implement a locking version of XOR.
Diffstat (limited to 'src')
-rw-r--r--src/arch/x86/isa/insts/general_purpose/logical.py32
1 files changed, 32 insertions, 0 deletions
diff --git a/src/arch/x86/isa/insts/general_purpose/logical.py b/src/arch/x86/isa/insts/general_purpose/logical.py
index 97b09fb01..c57d306dc 100644
--- 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