From fea46ee6e3c55e5245f8954a3fa771a6ec3aca84 Mon Sep 17 00:00:00 2001 From: Gabe Black Date: Tue, 4 Sep 2007 23:44:37 -0700 Subject: [PATCH] X86: Implement an SSE xor microop and instruction. --HG-- extra : convert_revision : 949737d0f5d6fe4aa77cc4680d0c88caab3e8174 --- src/arch/x86/isa/decoder/two_byte_opcodes.isa | 4 +- src/arch/x86/isa/insts/sse/__init__.py | 3 +- src/arch/x86/isa/insts/sse/logical.py | 76 +++++++++++++++++++ src/arch/x86/isa/microops/regop.isa | 3 + 4 files changed, 84 insertions(+), 2 deletions(-) create mode 100644 src/arch/x86/isa/insts/sse/logical.py diff --git a/src/arch/x86/isa/decoder/two_byte_opcodes.isa b/src/arch/x86/isa/decoder/two_byte_opcodes.isa index 3d1878ba1..fc5729540 100644 --- a/src/arch/x86/isa/decoder/two_byte_opcodes.isa +++ b/src/arch/x86/isa/decoder/two_byte_opcodes.isa @@ -278,7 +278,9 @@ 0x4: andpd_Vo_Wo(); 0x5: andnpd_Vo_Wo(); 0x6: orpd_Vo_Wo(); - 0x7: xorpd_Vo_Wo(); + //This really should be type o, but it works on q sized + //chunks at a time. + 0x7: Inst::XORPD(Vq,Wq); default: Inst::UD2(); } // repne (0xF2) diff --git a/src/arch/x86/isa/insts/sse/__init__.py b/src/arch/x86/isa/insts/sse/__init__.py index 2d79b7cdf..976e2dd52 100644 --- a/src/arch/x86/isa/insts/sse/__init__.py +++ b/src/arch/x86/isa/insts/sse/__init__.py @@ -56,7 +56,8 @@ categories = ["move", "convert", "add_and_subtract", - "multiply_and_divide"] + "multiply_and_divide", + "logical"] microcode = ''' # SSE instructions diff --git a/src/arch/x86/isa/insts/sse/logical.py b/src/arch/x86/isa/insts/sse/logical.py new file mode 100644 index 000000000..a2dbec40a --- /dev/null +++ b/src/arch/x86/isa/insts/sse/logical.py @@ -0,0 +1,76 @@ +# Copyright (c) 2007 The Hewlett-Packard Development Company +# All rights reserved. +# +# Redistribution and use of this software in source and binary forms, +# with or without modification, are permitted provided that the +# following conditions are met: +# +# The software must be used only for Non-Commercial Use which means any +# use which is NOT directed to receiving any direct monetary +# compensation for, or commercial advantage from such use. Illustrative +# examples of non-commercial use are academic research, personal study, +# teaching, education and corporate research & development. +# Illustrative examples of commercial use are distributing products for +# commercial advantage and providing services using the software for +# commercial advantage. +# +# If you wish to use this software or functionality therein that may be +# covered by patents for commercial use, please contact: +# Director of Intellectual Property Licensing +# Office of Strategy and Technology +# Hewlett-Packard Company +# 1501 Page Mill Road +# Palo Alto, California 94304 +# +# Redistributions of source code must retain the above copyright notice, +# this list of conditions and the following disclaimer. Redistributions +# in binary form must reproduce the above copyright notice, this list of +# conditions and the following disclaimer in the documentation and/or +# other materials provided with the distribution. Neither the name of +# the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its +# contributors may be used to endorse or promote products derived from +# this software without specific prior written permission. No right of +# sublicense is granted herewith. Derivatives of the software and +# output created using the software may be prepared, but only for +# Non-Commercial Uses. Derivatives of the software may be shared with +# others provided: (i) the others agree to abide by the list of +# conditions herein which includes the Non-Commercial Use restrictions; +# and (ii) such Derivatives of the software include the above copyright +# notice to acknowledge the contribution from this software where +# applicable, this list of conditions and the disclaimer below. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +# +# Authors: Gabe Black + +microcode = ''' +def macroop XORPD_R_R { + xorfp xmml, xmml, xmmlm + xorfp xmmh, xmmh, xmmhm +}; + +def macroop XORPD_R_M { + ldfp ufp1, seg, sib, disp + ldfp ufp2, seg, sib, "DISPLACEMENT + 8" + xorfp xmml, xmml, ufp1 + xorfp xmmh, xmmh, ufp2 +}; + +def macroop XORPD_R_P { + rdip t7 + ldfp ufp1, seg, riprel, disp + ldfp ufp2, seg, riprel, "DISPLACEMENT + 8" + xorfp xmml, xmml, ufp1 + xorfp xmmh, xmmh, ufp2 +}; +''' diff --git a/src/arch/x86/isa/microops/regop.isa b/src/arch/x86/isa/microops/regop.isa index 589113ba3..dca6d7377 100644 --- a/src/arch/x86/isa/microops/regop.isa +++ b/src/arch/x86/isa/microops/regop.isa @@ -488,6 +488,9 @@ let {{ code = 'DestReg = merge(SrcReg1, op2, dataSize)' else_code = 'DestReg=DestReg;' + class Xorfp(RegOp): + code = 'FpDestReg.uqw = FpSrcReg1.uqw ^ FpSrcReg2.uqw;' + class Movfp(CondRegOp): code = 'FpDestReg.uqw = FpSrcReg2.uqw;' else_code = 'FpDestReg.uqw = FpDestReg.uqw;' -- 2.30.2