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X86: Implement the floating point media instructions.

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This commit is contained in:
Gabe Black 2009-08-17 18:40:40 -07:00
parent af3a53726b
commit b34b507fd8
2 changed files with 62 additions and 11 deletions
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10
src/arch/x86/isa/decoder/two_byte_opcodes.isa
View file

@ -510,7 +510,7 @@
0x3: cvtdq2ps_Vo_Wo();
0x4: Inst::SUBPS(Vo,Wo);
0x5: Inst::MINPS(Vo,Wo);
0x6: divps_Vo_Wo();
0x6: Inst::DIVPS(Vo,Wo);
0x7: Inst::MAXPS(Vo,Wo);
}
// repe (0xF3)
@ -521,7 +521,7 @@
0x3: cvttps2dq_Vo_Wo();
0x4: Inst::SUBSS(Vd,Wd);
0x5: Inst::MINSS(Vd,Wd);
0x6: divss_Vd_Wd();
0x6: Inst::DIVSS(Vd,Wd);
0x7: Inst::MAXSS(Vd,Wd);
}
// operand size (0x66)
@ -532,7 +532,7 @@
0x3: cvtps2dq_Vo_Wo();
0x4: Inst::SUBPD(Vo,Wo);
0x5: Inst::MINPD(Vo,Wo);
0x6: divpd_Vo_Wo();
0x6: Inst::DIVPD(Vo,Wo);
0x7: Inst::MAXPD(Vo,Wo);
}
// repne (0xF2)
@ -917,7 +917,7 @@
0x3: cvtdq2ps_Vo_Wo();
0x4: Inst::SUBPS(Vo,Wo);
0x5: Inst::MINPS(Vo,Wo);
0x6: divps_Vo_Wo();
0x6: Inst::DIVPS(Vo,Wo);
}
// repe (0xF3)
0x4: decode OPCODE_OP_BOTTOM3 {
@ -929,7 +929,7 @@
0x2: cmpccpd_Vo_Wo_Ib();
0x4: Inst::SUBPD(Vo,Wo);
0x5: Inst::MINPD(Vo,Wo);
0x6: divpd_Vo_Wo();
0x6: Inst::DIVPD(Vo,Wo);
default: Inst::UD2();
}
// repne (0xF2)

63
src/arch/x86/isa/insts/simd128/floating_point/arithmetic/division.py
View file

@ -54,22 +54,73 @@
# Authors: Gabe Black
microcode = '''
# DIVPS
# DIVPD
# DIVSS
def macroop DIVSS_XMM_XMM {
mdivf xmml, xmml, xmmlm, size=4, ext=1
};
def macroop DIVSS_XMM_M {
ldfp ufp1, seg, sib, disp, dataSize=8
mdivf xmml, xmml, ufp1, size=4, ext=1
};
def macroop DIVSS_XMM_P {
rdip t7
ldfp ufp1, seg, riprel, disp, dataSize=8
mdivf xmml, xmml, ufp1, size=4, ext=1
};
def macroop DIVSD_XMM_XMM {
divfp xmml, xmml, xmmlm
mdivf xmml, xmml, xmmlm, size=8, ext=1
};
def macroop DIVSD_XMM_M {
ldfp ufp1, seg, sib, disp, dataSize=8
divfp xmml, xmml, ufp1
mdivf xmml, xmml, ufp1, size=8, ext=1
};
def macroop DIVSD_XMM_P {
rdip t7
ldfp ufp1, seg, riprel, disp, dataSize=8
divfp xmml, xmml, ufp1
mdivf xmml, xmml, ufp1, size=8, ext=1
};
def macroop DIVPS_XMM_XMM {
mdivf xmml, xmml, xmmlm, size=4, ext=0
mdivf xmmh, xmmh, xmmhm, size=4, ext=0
};
def macroop DIVPS_XMM_M {
ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
mdivf xmml, xmml, ufp1, size=4, ext=0
mdivf xmmh, xmmh, ufp2, size=4, ext=0
};
def macroop DIVPS_XMM_P {
rdip t7
ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
mdivf xmml, xmml, ufp1, size=4, ext=0
mdivf xmmh, xmmh, ufp2, size=4, ext=0
};
def macroop DIVPD_XMM_XMM {
mdivf xmml, xmml, xmmlm, size=8, ext=0
mdivf xmmh, xmmh, xmmhm, size=8, ext=0
};
def macroop DIVPD_XMM_M {
ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
mdivf xmml, xmml, ufp1, size=8, ext=0
mdivf xmmh, xmmh, ufp2, size=8, ext=0
};
def macroop DIVPD_XMM_P {
rdip t7
ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
mdivf xmml, xmml, ufp1, size=8, ext=0
mdivf xmmh, xmmh, ufp2, size=8, ext=0
};
'''