From eabbdbee63798bda4f549c745e6f35989bef8b30 Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Wed, 2 Feb 2011 19:56:38 -0800 Subject: X86: Replace the stupd microop with a store/update sequence. --- .../x86/isa/insts/general_purpose/control_transfer/call.py | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) (limited to 'src/arch/x86/isa/insts/general_purpose/control_transfer/call.py') diff --git a/src/arch/x86/isa/insts/general_purpose/control_transfer/call.py b/src/arch/x86/isa/insts/general_purpose/control_transfer/call.py index 870788099..f18a062a6 100644 --- a/src/arch/x86/isa/insts/general_purpose/control_transfer/call.py +++ b/src/arch/x86/isa/insts/general_purpose/control_transfer/call.py @@ -44,7 +44,8 @@ def macroop CALL_NEAR_I limm t1, imm rdip t7 # Check target of call - stupd t7, ss, [0, t0, rsp], "-env.dataSize" + st t7, ss, [0, t0, rsp], "-env.dataSize" + subi rsp, rsp, ssz wrip t7, t1 }; @@ -55,7 +56,8 @@ def macroop CALL_NEAR_R rdip t1 # Check target of call - stupd t1, ss, [0, t0, rsp], "-env.dataSize" + st t1, ss, [0, t0, rsp], "-env.dataSize" + subi rsp, rsp, ssz wripi reg, 0 }; @@ -67,7 +69,8 @@ def macroop CALL_NEAR_M rdip t7 ld t1, seg, sib, disp # Check target of call - stupd t7, ss, [0, t0, rsp], "-env.dataSize" + st t7, ss, [0, t0, rsp], "-env.dataSize" + subi rsp, rsp, ssz wripi t1, 0 }; @@ -79,7 +82,8 @@ def macroop CALL_NEAR_P rdip t7 ld t1, seg, riprel, disp # Check target of call - stupd t7, ss, [0, t0, rsp], "-env.dataSize" + st t7, ss, [0, t0, rsp], "-env.dataSize" + subi rsp, rsp, ssz wripi t1, 0 }; ''' -- cgit v1.2.3