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arch-x86: implement movntps/movntpd SSE insts

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These are non-temporal packed SSE stores.

Change-Id: I526cd6551b38d6d35010bc6173f23d017106b466
Reviewed-on: https://gem5-review.googlesource.com/9861
Reviewed-by: Gabe Black <gabeblack@google.com>
Maintainer: Gabe Black <gabeblack@google.com>
This commit is contained in:
Steve Reinhardt
2017-04-20 11:33:00 -04:00
committed by Anthony Gutierrez
parent 47cda1d20b
commit ddb80527e3
2 changed files with 31 additions and 4 deletions
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4
src/arch/x86/isa/decoder/two_byte_opcodes.isa
View File

@@ -383,7 +383,7 @@
0x0: MOVAPS(Vq,Wq);
0x1: MOVAPS(Wq,Vq);
0x2: CVTPI2PS(Vq,Qq);
0x3: WarnUnimpl::movntps_Mo_Vo();
0x3: MOVNTPS(Mq,Vq);
0x4: CVTTPS2PI(Pq,Wq);
0x5: CVTPS2PI(Pq,Wq);
0x6: UCOMISS(Vd,Wd);
@@ -401,7 +401,7 @@
0x0: MOVAPD(Vo,Wo);
0x1: MOVAPD(Wo,Vo);
0x2: CVTPI2PD(Vo,Qq);
0x3: WarnUnimpl::movntpd_Mo_Vo();
0x3: MOVNTPD(Mq,Vq);
0x4: CVTTPD2PI(Pq,Wo);
0x5: CVTPD2PI(Pq,Wo);
0x6: UCOMISD(Vq,Wq);

31
src/arch/x86/isa/insts/simd128/floating_point/data_transfer/move_non_temporal.py
View File

@@ -1,4 +1,5 @@
# Copyright (c) 2007 The Hewlett-Packard Development Company
# Copyright (c) 2015, 2018 Advanced Micro Devices, Inc.
# All rights reserved.
#
# The license below extends only to copyright in the software and shall
@@ -34,8 +35,34 @@
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# Authors: Gabe Black
# Steve Reinhardt
microcode = '''
# MOVNTPS
# MOVNTPD
# movntps is basically the same as movaps, excepting the caching hint and
# ordering constraints
def macroop MOVNTPS_M_XMM {
# Check low address.
stfp xmmh, seg, sib, "DISPLACEMENT + 8", dataSize=8, uncacheable=True
stfp xmml, seg, sib, disp, dataSize=8, uncacheable=True
};
def macroop MOVNTPS_P_XMM {
rdip t7
# Check low address.
stfp xmmh, seg, riprel, "DISPLACEMENT + 8", dataSize=8, uncacheable=True
stfp xmml, seg, riprel, disp, dataSize=8, uncacheable=True
};
# movntpd is basically the same as movapd, excepting the caching hint and
# ordering constraints
def macroop MOVNTPD_M_XMM {
stfp xmml, seg, sib, "DISPLACEMENT", dataSize=8, uncacheable=True
stfp xmmh, seg, sib, "DISPLACEMENT + 8", dataSize=8, uncacheable=True
};
def macroop MOVNTPD_P_XMM {
rdip t7
stfp xmml, seg, riprel, "DISPLACEMENT", dataSize=8, uncacheable=True
stfp xmmh, seg, riprel, "DISPLACEMENT + 8", dataSize=8, uncacheable=True
};
'''