ref: 15d1425b276495a82621a8d075176a59a512cdf3
dir: /sys/src/cmd/5i/float.c/
#include <u.h> #include <libc.h> #include <bio.h> #include <mach.h> #include "arm.h" void unimp(ulong); void Ifcmp(ulong); void Ifdiv(ulong); void Ifmul(ulong); void Ifadd(ulong); void Ifsub(ulong); void Ifmov(ulong); void Icvtd(ulong); void Icvtw(ulong); void Icvts(ulong); void Ifabs(ulong); void Ifneg(ulong); Inst cop1[] = { { Ifadd, "add.f", Ifloat }, { Ifsub, "sub.f", Ifloat }, { Ifmul, "mul.f", Ifloat }, { Ifdiv, "div.f", Ifloat }, { unimp, "", }, { Ifabs, "abs.f", Ifloat }, { Ifmov, "mov.f", Ifloat }, { Ifneg, "neg.f", Ifloat }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { Icvts, "cvt.s", Ifloat }, { Icvtd, "cvt.d", Ifloat }, { unimp, "", }, { unimp, "", }, { Icvtw, "cvt.w", Ifloat }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { unimp, "", }, { Ifcmp, "c.f", Ifloat }, { Ifcmp, "c.un", Ifloat }, { Ifcmp, "c.eq", Ifloat }, { Ifcmp, "c.ueq", Ifloat }, { Ifcmp, "c.olt", Ifloat }, { Ifcmp, "c.ult", Ifloat }, { Ifcmp, "c.ole", Ifloat }, { Ifcmp, "c.ule", Ifloat }, { Ifcmp, "c,sf", Ifloat }, { Ifcmp, "c.ngle",Ifloat }, { Ifcmp, "c.seq", Ifloat }, { Ifcmp, "c.ngl", Ifloat }, { Ifcmp, "c.lt", Ifloat }, { Ifcmp, "c.nge", Ifloat }, { Ifcmp, "c.le", Ifloat }, { Ifcmp, "c.ngt", Ifloat }, { 0 } }; void unimp(ulong inst) { print("op %d\n", inst&0x3f); Bprint(bioout, "Unimplemented floating point Trap IR %.8lux\n", inst); longjmp(errjmp, 0); } void inval(ulong inst) { Bprint(bioout, "Invalid Operation Exception IR %.8lux\n", inst); longjmp(errjmp, 0); } void ifmt(int r) { Bprint(bioout, "Invalid Floating Data Format f%d pc 0x%lux\n", r, reg.r[15]); longjmp(errjmp, 0); } void floatop(int dst, int s1, int s2) { } void doubop(int dst, int s1, int s2) { } void Iswc1(ulong inst) { } void Ifsub(ulong ir) { } void Ifmov(ulong ir) { } void Ifabs(ulong ir) { } void Ifneg(ulong ir) { } void Icvtd(ulong ir) { } void Icvts(ulong ir) { } void Icvtw(ulong ir) { } void Ifadd(ulong ir) { } void Ifmul(ulong ir) { } void Ifdiv(ulong ir) { } void Ilwc1(ulong inst) { } void Ibcfbct(ulong inst) { } void Imtct(ulong ir) { } void Imfcf(ulong ir) { } void Icop1(ulong ir) { } void Ifcmp(ulong ir) { }