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X86: Implement the media floating point max instructions.

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This commit is contained in:
Gabe Black 2009-08-17 18:33:28 -07:00
parent 8d37ce8652
commit 09eed9ff62
2 changed files with 74 additions and 8 deletions
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8
src/arch/x86/isa/decoder/two_byte_opcodes.isa
View file

@ -511,7 +511,7 @@
0x4: subps_Vo_Wo();
0x5: Inst::MINPS(Vo,Wo);
0x6: divps_Vo_Wo();
0x7: maxps_Vo_Wo();
0x7: Inst::MAXPS(Vo,Wo);
}
// repe (0xF3)
0x4: decode OPCODE_OP_BOTTOM3 {
@ -522,7 +522,7 @@
0x4: subss_Vd_Wd();
0x5: Inst::MINSS(Vd,Wd);
0x6: divss_Vd_Wd();
0x7: maxss_Vd_Wd();
0x7: Inst::MAXSS(Vd,Wd);
}
// operand size (0x66)
0x1: decode OPCODE_OP_BOTTOM3 {
@ -533,7 +533,7 @@
0x4: subpd_Vo_Wo();
0x5: Inst::MINPD(Vo,Wo);
0x6: divpd_Vo_Wo();
0x7: maxpd_Vo_Wo();
0x7: Inst::MAXPD(Vo,Wo);
}
// repne (0xF2)
0x8: decode OPCODE_OP_BOTTOM3 {
@ -543,7 +543,7 @@
0x4: Inst::SUBSD(Vq,Wq);
0x5: Inst::MINSD(Vq,Wq);
0x6: Inst::DIVSD(Vq,Wq);
0x7: maxsd_Vq_Wq();
0x7: Inst::MAXSD(Vq,Wq);
default: Inst::UD2();
}
default: Inst::UD2();

74
src/arch/x86/isa/insts/simd128/floating_point/compare/compare_and_write_minimum_or_maximum.py
View file

@ -123,8 +123,74 @@ def macroop MINSD_XMM_P {
ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
mminf xmml, xmml, ufp1, ext=1, size=8
};
def macroop MAXPS_XMM_XMM {
mmaxf xmml, xmml, xmmlm, ext=0, size=4
mmaxf xmmh, xmmh, xmmhm, ext=0, size=4
};
def macroop MAXPS_XMM_M {
ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
mmaxf xmml, xmml, ufp1, ext=0, size=4
mmaxf xmmh, xmmh, ufp2, ext=0, size=4
};
def macroop MAXPS_XMM_P {
rdip t7
ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
mmaxf xmml, xmml, ufp1, ext=0, size=4
mmaxf xmmh, xmmh, ufp2, ext=0, size=4
};
def macroop MAXPD_XMM_XMM {
mmaxf xmml, xmml, xmmlm, ext=0, size=8
mmaxf xmmh, xmmh, xmmhm, ext=0, size=8
};
def macroop MAXPD_XMM_M {
ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
mmaxf xmml, xmml, ufp1, ext=0, size=8
mmaxf xmmh, xmmh, ufp2, ext=0, size=8
};
def macroop MAXPD_XMM_P {
rdip t7
ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
mmaxf xmml, xmml, ufp1, ext=0, size=8
mmaxf xmmh, xmmh, ufp2, ext=0, size=8
};
def macroop MAXSS_XMM_XMM {
mmaxf xmml, xmml, xmmlm, ext=1, size=4
};
def macroop MAXSS_XMM_M {
ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
mmaxf xmml, xmml, ufp1, ext=1, size=4
};
def macroop MAXSS_XMM_P {
rdip t7
ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
mmaxf xmml, xmml, ufp1, ext=1, size=4
};
def macroop MAXSD_XMM_XMM {
mmaxf xmml, xmml, xmmlm, ext=1, size=8
};
def macroop MAXSD_XMM_M {
ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
mmaxf xmml, xmml, ufp1, ext=1, size=8
};
def macroop MAXSD_XMM_P {
rdip t7
ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
mmaxf xmml, xmml, ufp1, ext=1, size=8
};
'''
# MAXPS
# MAXPD
# MAXSS
# MAXSD