From 750f5a0a67ccbce9b11c8ad308863be87ce89fbc Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Sun, 19 Apr 2009 04:56:20 -0700 Subject: [PATCH] X86: Implement a locking version of XOR. --- .../x86/isa/insts/general_purpose/logical.py | 32 +++++++++++++++++++ 1 file changed, 32 insertions(+) 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