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X86: Implement the floating point media subtract instructions.

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This commit is contained in:
Gabe Black 2009-08-17 18:36:20 -07:00
parent 9fee8b75aa
commit dd81a34829
3 changed files with 91 additions and 13 deletions
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10
src/arch/x86/isa/decoder/two_byte_opcodes.isa
View file

@ -508,7 +508,7 @@
0x1: mulps_Vo_Wo();
0x2: cvtps2pd_Vo_Wq();
0x3: cvtdq2ps_Vo_Wo();
0x4: subps_Vo_Wo();
0x4: Inst::SUBPS(Vo,Wo);
0x5: Inst::MINPS(Vo,Wo);
0x6: divps_Vo_Wo();
0x7: Inst::MAXPS(Vo,Wo);
@ -519,7 +519,7 @@
0x1: mulss_Vd_Wd();
0x2: cvtss2sd_Vq_Wd();
0x3: cvttps2dq_Vo_Wo();
0x4: subss_Vd_Wd();
0x4: Inst::SUBSS(Vd,Wd);
0x5: Inst::MINSS(Vd,Wd);
0x6: divss_Vd_Wd();
0x7: Inst::MAXSS(Vd,Wd);
@ -530,7 +530,7 @@
0x1: mulpd_Vo_Wo();
0x2: cvtpd2ps_Vo_Wo();
0x3: cvtps2dq_Vo_Wo();
0x4: subpd_Vo_Wo();
0x4: Inst::SUBPD(Vo,Wo);
0x5: Inst::MINPD(Vo,Wo);
0x6: divpd_Vo_Wo();
0x7: Inst::MAXPD(Vo,Wo);
@ -915,7 +915,7 @@
0x0: decode OPCODE_OP_BOTTOM3 {
0x2: cmpccps_Vo_Wo_Ib();
0x3: cvtdq2ps_Vo_Wo();
0x4: subps_Vo_Wo();
0x4: Inst::SUBPS(Vo,Wo);
0x5: Inst::MINPS(Vo,Wo);
0x6: divps_Vo_Wo();
}
@ -927,7 +927,7 @@
// operand size (0x66)
0x1: decode OPCODE_OP_BOTTOM3 {
0x2: cmpccpd_Vo_Wo_Ib();
0x4: subpd_Vo_Wo();
0x4: Inst::SUBPD(Vo,Wo);
0x5: Inst::MINPD(Vo,Wo);
0x6: divpd_Vo_Wo();
default: Inst::UD2();

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

@ -54,22 +54,73 @@
# Authors: Gabe Black
microcode = '''
# SUBPS
# SUBPD
# SUBSS
def macroop SUBSS_XMM_XMM {
msubf xmml, xmml, xmmlm, size=4, ext=1
};
def macroop SUBSS_XMM_M {
ldfp ufp1, seg, sib, disp, dataSize=8
msubf xmml, xmml, ufp1, size=4, ext=1
};
def macroop SUBSS_XMM_P {
rdip t7
ldfp ufp1, seg, riprel, disp, dataSize=8
msubf xmml, xmml, ufp1, size=4, ext=1
};
def macroop SUBSD_XMM_XMM {
subfp xmml, xmml, xmmlm
msubf xmml, xmml, xmmlm, size=8, ext=1
};
def macroop SUBSD_XMM_M {
ldfp ufp1, seg, sib, disp, dataSize=8
subfp xmml, xmml, ufp1
msubf xmml, xmml, ufp1, size=8, ext=1
};
def macroop SUBSD_XMM_P {
rdip t7
ldfp ufp1, seg, riprel, disp, dataSize=8
subfp xmml, xmml, ufp1
msubf xmml, xmml, ufp1, size=8, ext=1
};
def macroop SUBPS_XMM_XMM {
msubf xmml, xmml, xmmlm, size=4, ext=0
msubf xmmh, xmmh, xmmhm, size=4, ext=0
};
def macroop SUBPS_XMM_M {
ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
msubf xmml, xmml, ufp1, size=4, ext=0
msubf xmmh, xmmh, ufp2, size=4, ext=0
};
def macroop SUBPS_XMM_P {
rdip t7
ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
msubf xmml, xmml, ufp1, size=4, ext=0
msubf xmmh, xmmh, ufp2, size=4, ext=0
};
def macroop SUBPD_XMM_XMM {
msubf xmml, xmml, xmmlm, size=8, ext=0
msubf xmmh, xmmh, xmmhm, size=8, ext=0
};
def macroop SUBPD_XMM_M {
ldfp ufp1, seg, sib, "DISPLACEMENT", dataSize=8
ldfp ufp2, seg, sib, "DISPLACEMENT + 8", dataSize=8
msubf xmml, xmml, ufp1, size=8, ext=0
msubf xmmh, xmmh, ufp2, size=8, ext=0
};
def macroop SUBPD_XMM_P {
rdip t7
ldfp ufp1, seg, riprel, "DISPLACEMENT", dataSize=8
ldfp ufp2, seg, riprel, "DISPLACEMENT + 8", dataSize=8
msubf xmml, xmml, ufp1, size=8, ext=0
msubf xmmh, xmmh, ufp2, size=8, ext=0
};
'''

31
src/arch/x86/isa/insts/simd64/floating_point/arithmetic/subtraction.py
View file

@ -54,6 +54,33 @@
# Authors: Gabe Black
microcode = '''
# PFSUB
# PFSUBR
def macroop PFSUB_MMX_MMX {
msubf mmx, mmx, mmxm, size=4, ext=0
};
def macroop PFSUB_MMX_M {
ldfp ufp1, seg, sib, disp, dataSize=8
msubf mmx, mmx, ufp1, size=4, ext=0
};
def macroop PFSUB_MMX_P {
rdip t7
ldfp ufp1, seg, riprel, disp, dataSize=8
msubf mmx, mmx, ufp1, size=4, ext=0
};
def macroop PFSUBR_MMX_MMX {
msubf mmx, mmxm, mmx, size=4, ext=0
};
def macroop PFSUBR_MMX_M {
ldfp ufp1, seg, sib, disp, dataSize=8
msubf mmx, ufp1, mmx, size=4, ext=0
};
def macroop PFSUBR_MMX_P {
rdip t7
ldfp ufp1, seg, riprel, disp, dataSize=8
msubf mmx, ufp1, mmx, size=4, ext=0
};
'''