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Tracing FPRs and random fixes.

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This commit is contained in:
Ben Vanik
2013-09-30 22:43:29 -07:00
parent 37caa5cea1
commit 21d273e85b
6 changed files with 170 additions and 21 deletions
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87
src/xenia/cpu/x64/x64_emit_fpu.cc
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@@ -53,6 +53,8 @@ XEEMITTER(faddx, 0xFC00002A, A )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
e.TraceFPR(i.A.FRT, i.A.FRA, i.A.FRB);
return 0;
}
@@ -81,6 +83,8 @@ XEEMITTER(faddsx, 0xEC00002A, A )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
e.TraceFPR(i.A.FRT, i.A.FRA, i.A.FRB);
return 0;
}
@@ -102,6 +106,8 @@ XEEMITTER(fdivx, 0xFC000024, A )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
e.TraceFPR(i.A.FRT, i.A.FRA, i.A.FRB);
return 0;
}
@@ -130,6 +136,8 @@ XEEMITTER(fdivsx, 0xEC000024, A )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
e.TraceFPR(i.A.FRT, i.A.FRA, i.A.FRB);
return 0;
}
@@ -151,6 +159,8 @@ XEEMITTER(fmulx, 0xFC000032, A )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
e.TraceFPR(i.A.FRT, i.A.FRA, i.A.FRC);
return 0;
}
@@ -179,6 +189,8 @@ XEEMITTER(fmulsx, 0xEC000032, A )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
e.TraceFPR(i.A.FRT, i.A.FRA, i.A.FRC);
return 0;
}
@@ -217,6 +229,8 @@ XEEMITTER(fsubx, 0xFC000028, A )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
e.TraceFPR(i.A.FRT, i.A.FRA, i.A.FRB);
return 0;
}
@@ -238,6 +252,8 @@ XEEMITTER(fsubsx, 0xEC000028, A )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
e.TraceFPR(i.A.FRT, i.A.FRA, i.A.FRB);
return 0;
}
@@ -250,7 +266,7 @@ XEEMITTER(fselx, 0xFC00002E, A )(X64Emitter& e, X86Compiler& c, InstrDat
GpVar zero(c.newGpVar());
c.mov(zero, imm(0));
c.movq(v, zero);
c.cmpsd(e.fpr_value(i.A.FRA), v, 0);
c.comisd(e.fpr_value(i.A.FRA), v);
// TODO(benvanik): find a way to do this without jumps.
Label choose_b(c.newLabel());
@@ -273,6 +289,8 @@ XEEMITTER(fselx, 0xFC00002E, A )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
e.TraceFPR(i.A.FRT, i.A.FRA, i.A.FRB, i.A.FRC);
return 0;
}
@@ -310,6 +328,8 @@ XEEMITTER(fmaddx, 0xFC00003A, A )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
e.TraceFPR(i.A.FRT, i.A.FRA, i.A.FRB, i.A.FRC);
return 0;
}
@@ -361,6 +381,8 @@ XEEMITTER(fnmsubx, 0xFC00003C, A )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
e.TraceFPR(i.A.FRT, i.A.FRA, i.A.FRB, i.A.FRC);
return 0;
}
@@ -394,6 +416,8 @@ XEEMITTER(fnmsubsx, 0xEC00003C, A )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
e.TraceFPR(i.A.FRT, i.A.FRA, i.A.FRB, i.A.FRC);
return 0;
}
@@ -403,10 +427,11 @@ XEEMITTER(fnmsubsx, 0xEC00003C, A )(X64Emitter& e, X86Compiler& c, InstrDat
XEEMITTER(fcfidx, 0xFC00069C, X )(X64Emitter& e, X86Compiler& c, InstrData& i) {
// frD <- signed_int64_to_double( frB )
XmmVar frb(c.newXmmVar());
c.movq(frb, e.fpr_value(i.A.FRB));
c.save(frb);
XmmVar v(c.newXmmVar());
c.movq(v, e.fpr_value(i.A.FRB));
c.save(v);
c.cvtsi2sd(v, v.m64());
c.cvtsi2sd(v, frb.m64());
e.update_fpr_value(i.A.FRT, v);
// TODO(benvanik): update status/control register.
@@ -419,6 +444,8 @@ XEEMITTER(fcfidx, 0xFC00069C, X )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
e.TraceFPR(i.X.RT, i.X.RB);
return 0;
}
@@ -435,17 +462,27 @@ XEEMITTER(fctidx, 0xFC00065C, X )(X64Emitter& e, X86Compiler& c, InstrDat
GpVar tmp(c.newGpVar());
XmmVar xmm_tmp(c.newXmmVar());
// TODO(benvanik): pull from FPSCR[RN]
// http://www.rz.uni-karlsruhe.de/rz/docs/VTune/reference/vc148.htm
// Round to zero (truncate).
GpVar mxcsr(c.newGpVar());
c.save(mxcsr);
c.stmxcsr(mxcsr.m32());
c.or_(mxcsr, imm(0x6000));
c.save(mxcsr);
c.ldmxcsr(mxcsr.m32());
XmmVar v(c.newXmmVar());
c.movq(v, e.fpr_value(i.X.RB));
// Max value: 2^63 - 1
c.mov(tmp, imm(0x43e0000000000000));
c.movq(xmm_tmp, tmp);
c.cmpsd(v, xmm_tmp, 0);
c.jg(over_max);
c.comisd(v, xmm_tmp);
c.jl(over_max);
// Min value: -2^63
c.mov(tmp, imm(0xc3e0000000000000));
c.movq(xmm_tmp, tmp);
c.cmpsd(v, xmm_tmp, 0);
c.comisd(v, xmm_tmp);
c.jl(under_min);
c.save(v);
c.cvtsd2si(tmp, v.m64());
@@ -463,7 +500,7 @@ XEEMITTER(fctidx, 0xFC00065C, X )(X64Emitter& e, X86Compiler& c, InstrDat
// TODO(benvanik): update status/control register.
if (i.A.Rc) {
if (i.X.Rc) {
// With cr0 update.
XEASSERTALWAYS();
//e.update_cr_with_cond(0, v);
@@ -471,6 +508,8 @@ XEEMITTER(fctidx, 0xFC00065C, X )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
e.TraceFPR(i.X.RT, i.X.RB);
return 0;
}
@@ -492,18 +531,28 @@ XEEMITTER(fctiwx, 0xFC00001C, X )(X64Emitter& e, X86Compiler& c, InstrDat
GpVar tmp(c.newGpVar());
XmmVar xmm_tmp(c.newXmmVar());
// TODO(benvanik): pull from FPSCR[RN]
// http://www.rz.uni-karlsruhe.de/rz/docs/VTune/reference/vc148.htm
// Round to zero (truncate).
GpVar mxcsr(c.newGpVar());
c.save(mxcsr);
c.stmxcsr(mxcsr.m32());
c.or_(mxcsr, imm(0x6000));
c.save(mxcsr);
c.ldmxcsr(mxcsr.m32());
XmmVar v(c.newXmmVar());
c.movq(v, e.fpr_value(i.X.RB));
// Max value: 2^31 - 1
c.mov(tmp, imm(0x41efffffffe00000));
c.movq(xmm_tmp, tmp);
c.cmpsd(v, xmm_tmp, 0);
c.jg(over_max);
c.comisd(v, xmm_tmp);
c.jl(over_max);
// Min value: -2^31
c.mov(tmp, imm(0xc1e0000000000000));
c.movq(xmm_tmp, tmp);
c.cmpsd(v, xmm_tmp, 0);
c.jl(under_min);
c.comisd(v, xmm_tmp);
c.jg(under_min);
c.save(v);
c.cvtsd2si(tmp, v.m64());
c.movq(v, tmp);
@@ -528,6 +577,8 @@ XEEMITTER(fctiwx, 0xFC00001C, X )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
e.TraceFPR(i.X.RT, i.X.RB);
return 0;
}
@@ -561,6 +612,8 @@ XEEMITTER(frspx, 0xFC000018, X )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
e.TraceFPR(i.X.RT, i.X.RB);
return 0;
}
@@ -631,12 +684,12 @@ XEEMITTER(fabsx, 0xFC000210, X )(X64Emitter& e, X86Compiler& c, InstrDat
XmmVar v(c.newXmmVar());
c.movq(v, e.fpr_value(i.X.RB));
// XOR with 0 in the sign bit and ones everywhere else.
// AND with 0 in the sign bit and 1 everywhere else.
GpVar gp_bit(c.newGpVar());
c.mov(gp_bit, imm(0x7FFFFFFFFFFFFFFF));
XmmVar bit(c.newXmmVar());
c.movq(bit, gp_bit);
c.xorpd(v, bit);
c.andpd(v, bit);
e.update_fpr_value(i.X.RT, v);
if (i.X.Rc) {
@@ -647,6 +700,8 @@ XEEMITTER(fabsx, 0xFC000210, X )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
e.TraceFPR(i.X.RT, i.X.RB);
return 0;
}
@@ -665,6 +720,8 @@ XEEMITTER(fmrx, 0xFC000090, X )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
e.TraceFPR(i.X.RT, i.X.RB);
return 0;
}
@@ -694,6 +751,8 @@ XEEMITTER(fnegx, 0xFC000050, X )(X64Emitter& e, X86Compiler& c, InstrDat
return 1;
}
e.TraceFPR(i.X.RT, i.X.RB);
return 0;
}