sanchayanmaity/gem5
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

X86: Implement the media floating point min instructions.

Browse source
This commit is contained in:
Gabe Black 2009-08-17 18:32:12 -07:00
parent 1d706c0434
commit 34f528bd95
2 changed files with 76 additions and 11 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

12
src/arch/x86/isa/decoder/two_byte_opcodes.isa
View file

@ -509,7 +509,7 @@
0x2: cvtps2pd_Vo_Wq();
0x3: cvtdq2ps_Vo_Wo();
0x4: subps_Vo_Wo();
0x5: minps_Vo_Wo();
0x5: Inst::MINPS(Vo,Wo);
0x6: divps_Vo_Wo();
0x7: maxps_Vo_Wo();
}
@ -520,7 +520,7 @@
0x2: cvtss2sd_Vq_Wd();
0x3: cvttps2dq_Vo_Wo();
0x4: subss_Vd_Wd();
0x5: minss_Vd_Wd();
0x5: Inst::MINSS(Vd,Wd);
0x6: divss_Vd_Wd();
0x7: maxss_Vd_Wd();
}
@ -531,7 +531,7 @@
0x2: cvtpd2ps_Vo_Wo();
0x3: cvtps2dq_Vo_Wo();
0x4: subpd_Vo_Wo();
0x5: minpd_Vo_Wo();
0x5: Inst::MINPD(Vo,Wo);
0x6: divpd_Vo_Wo();
0x7: maxpd_Vo_Wo();
}
@ -541,7 +541,7 @@
0x1: Inst::MULSD(Vq,Wq);
0x2: cvtsd2ss_Vd_Wq();
0x4: Inst::SUBSD(Vq,Wq);
0x5: minsd_Vq_Wq();
0x5: Inst::MINSD(Vq,Wq);
0x6: Inst::DIVSD(Vq,Wq);
0x7: maxsd_Vq_Wq();
default: Inst::UD2();
@ -916,7 +916,7 @@
0x2: cmpccps_Vo_Wo_Ib();
0x3: cvtdq2ps_Vo_Wo();
0x4: subps_Vo_Wo();
0x5: minps_Vo_Wo();
0x5: Inst::MINPS(Vo,Wo);
0x6: divps_Vo_Wo();
}
// repe (0xF3)
@ -928,7 +928,7 @@
0x1: decode OPCODE_OP_BOTTOM3 {
0x2: cmpccpd_Vo_Wo_Ib();
0x4: subpd_Vo_Wo();
0x5: minpd_Vo_Wo();
0x5: Inst::MINPD(Vo,Wo);
0x6: divpd_Vo_Wo();
default: Inst::UD2();
}

75
src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_minimum_or_maximum.py
View file

@ -54,12 +54,77 @@
# Authors: Gabe Black
microcode = '''
def macroop MINPS_XMM_XMM {
mminf xmml, xmml, xmmlm, ext=0, size=4
mminf xmmh, xmmh, xmmhm, ext=0, size=4
};
def macroop MINPS_XMM_M {
ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
mminf xmml, xmml, ufp1, ext=0, size=4
mminf xmmh, xmmh, ufp2, ext=0, size=4
};
def macroop MINPS_XMM_P {
rdip t7
ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
mminf xmml, xmml, ufp1, ext=0, size=4
mminf xmmh, xmmh, ufp2, ext=0, size=4
};
def macroop MINPD_XMM_XMM {
mminf xmml, xmml, xmmlm, ext=0, size=8
mminf xmmh, xmmh, xmmhm, ext=0, size=8
};
def macroop MINPD_XMM_M {
ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
mminf xmml, xmml, ufp1, ext=0, size=8
mminf xmmh, xmmh, ufp2, ext=0, size=8
};
def macroop MINPD_XMM_P {
rdip t7
ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
mminf xmml, xmml, ufp1, ext=0, size=8
mminf xmmh, xmmh, ufp2, ext=0, size=8
};
def macroop MINSS_XMM_XMM {
mminf xmml, xmml, xmmlm, ext=1, size=4
};
def macroop MINSS_XMM_M {
ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
mminf xmml, xmml, ufp1, ext=1, size=4
};
def macroop MINSS_XMM_P {
rdip t7
ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
mminf xmml, xmml, ufp1, ext=1, size=4
};
def macroop MINSD_XMM_XMM {
mminf xmml, xmml, xmmlm, ext=1, size=8
};
def macroop MINSD_XMM_M {
ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
mminf xmml, xmml, ufp1, ext=1, size=8
};
def macroop MINSD_XMM_P {
rdip t7
ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
mminf xmml, xmml, ufp1, ext=1, size=8
};
'''
# MAXPS
# MAXPD
# MAXSS
# MAXSD
# MINPS
# MINPD
# MINSS
# MINSD
'''