X86: Add SSE comparison instructions and microops and move some FP microops to be with the other ones.
--HG-- extra : convert_revision : ee0b5acde08d12c51a5282efb58d1ac72e0779af
This commit is contained in:
parent
57da059415
commit
4478487c37
5 changed files with 102 additions and 9 deletions
|
@ -196,7 +196,7 @@
|
||||||
0x3: movntpd_Mo_Vo();
|
0x3: movntpd_Mo_Vo();
|
||||||
0x4: cvttpd2pi_Pq_Wo();
|
0x4: cvttpd2pi_Pq_Wo();
|
||||||
0x5: cvtpd2pi_Pq_Wo();
|
0x5: cvtpd2pi_Pq_Wo();
|
||||||
0x6: ucomisd_Vq_Wq();
|
0x6: Inst::UCOMISD(Vq,Wq);
|
||||||
0x7: comisd_Vq_Wq();
|
0x7: comisd_Vq_Wq();
|
||||||
}
|
}
|
||||||
// repne (0xF2)
|
// repne (0xF2)
|
||||||
|
|
|
@ -143,6 +143,7 @@ output exec {{
|
||||||
#include <limits>
|
#include <limits>
|
||||||
|
|
||||||
#include <cmath>
|
#include <cmath>
|
||||||
|
#include "arch/x86/miscregs.hh"
|
||||||
#include "base/bigint.hh"
|
#include "base/bigint.hh"
|
||||||
#include "cpu/base.hh"
|
#include "cpu/base.hh"
|
||||||
#include "cpu/exetrace.hh"
|
#include "cpu/exetrace.hh"
|
||||||
|
|
|
@ -57,7 +57,8 @@ categories = ["move",
|
||||||
"convert",
|
"convert",
|
||||||
"add_and_subtract",
|
"add_and_subtract",
|
||||||
"multiply_and_divide",
|
"multiply_and_divide",
|
||||||
"logical"]
|
"logical",
|
||||||
|
"compare"]
|
||||||
|
|
||||||
microcode = '''
|
microcode = '''
|
||||||
# SSE instructions
|
# SSE instructions
|
||||||
|
|
71
src/arch/x86/isa/insts/sse/compare.py
Normal file
71
src/arch/x86/isa/insts/sse/compare.py
Normal file
|
@ -0,0 +1,71 @@
|
||||||
|
# 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 UCOMISD_R_R {
|
||||||
|
compfp xmml, xmmlm
|
||||||
|
};
|
||||||
|
|
||||||
|
def macroop UCOMISD_R_M {
|
||||||
|
ldfp ufp1, seg, sib, disp
|
||||||
|
compfp xmml, ufp1
|
||||||
|
};
|
||||||
|
|
||||||
|
def macroop UCOMISD_R_P {
|
||||||
|
rdip t7
|
||||||
|
ldfp ufp1, seg, riprel, disp
|
||||||
|
compfp xmml, ufp1
|
||||||
|
};
|
||||||
|
'''
|
|
@ -488,13 +488,6 @@ let {{
|
||||||
code = 'DestReg = merge(SrcReg1, op2, dataSize)'
|
code = 'DestReg = merge(SrcReg1, op2, dataSize)'
|
||||||
else_code = 'DestReg=DestReg;'
|
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;'
|
|
||||||
|
|
||||||
# Shift instructions
|
# Shift instructions
|
||||||
|
|
||||||
class Sll(FlagRegOp):
|
class Sll(FlagRegOp):
|
||||||
|
@ -640,6 +633,33 @@ let {{
|
||||||
class Zext(RegOp):
|
class Zext(RegOp):
|
||||||
code = 'DestReg = bits(psrc1, imm8-1, 0);'
|
code = 'DestReg = bits(psrc1, imm8-1, 0);'
|
||||||
|
|
||||||
|
class Compfp(WrRegOp):
|
||||||
|
# This class sets the condition codes in rflags according to the
|
||||||
|
# rules for comparing floating point.
|
||||||
|
code = '''
|
||||||
|
// ZF PF CF
|
||||||
|
// Unordered 1 1 1
|
||||||
|
// Greater than 0 0 0
|
||||||
|
// Less than 0 0 1
|
||||||
|
// Equal 1 0 0
|
||||||
|
// OF = SF = AF = 0
|
||||||
|
ccFlagBits = ccFlagBits & ~(OFBit | SFBit | AFBit |
|
||||||
|
ZFBit | PFBit | CFBit);
|
||||||
|
if (isnan(FpSrcReg1) || isnan(FpSrcReg2))
|
||||||
|
ccFlagBits = ccFlagBits | (ZFBit | PFBit | CFBit);
|
||||||
|
else if(FpSrcReg1 < FpSrcReg2)
|
||||||
|
ccFlagBits = ccFlagBits | CFBit;
|
||||||
|
else if(FpSrcReg1 == FpSrcReg2)
|
||||||
|
ccFlagBits = ccFlagBits | ZFBit;
|
||||||
|
'''
|
||||||
|
|
||||||
|
class Xorfp(RegOp):
|
||||||
|
code = 'FpDestReg.uqw = FpSrcReg1.uqw ^ FpSrcReg2.uqw;'
|
||||||
|
|
||||||
|
class Movfp(CondRegOp):
|
||||||
|
code = 'FpDestReg.uqw = FpSrcReg2.uqw;'
|
||||||
|
else_code = 'FpDestReg.uqw = FpDestReg.uqw;'
|
||||||
|
|
||||||
# Conversion microops
|
# Conversion microops
|
||||||
class ConvOp(RegOp):
|
class ConvOp(RegOp):
|
||||||
abstract = True
|
abstract = True
|
||||||
|
|
Loading…
Reference in a new issue