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A64: Implement FRINT{N,M,P,Z,A,X,I} (vector), single/double variant

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This commit is contained in:
MerryMage 2018-07-30 13:32:20 +01:00
parent f976c47008
commit 9669e49817
2 changed files with 51 additions and 7 deletions
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14
src/frontend/A64/decoder/a64.inc
View file

@ -583,9 +583,9 @@ INST(SQXTN_2, "SQXTN, SQXTN2", "0Q001
//INST(FCVTN, "FCVTN, FCVTN2", "0Q0011100z100001011010nnnnnddddd")
//INST(FCVTL, "FCVTL, FCVTL2", "0Q0011100z100001011110nnnnnddddd")
//INST(FRINTN_1, "FRINTN (vector)", "0Q00111001111001100010nnnnnddddd")
//INST(FRINTN_2, "FRINTN (vector)", "0Q0011100z100001100010nnnnnddddd")
INST(FRINTN_2, "FRINTN (vector)", "0Q0011100z100001100010nnnnnddddd")
//INST(FRINTM_1, "FRINTM (vector)", "0Q00111001111001100110nnnnnddddd")
//INST(FRINTM_2, "FRINTM (vector)", "0Q0011100z100001100110nnnnnddddd")
INST(FRINTM_2, "FRINTM (vector)", "0Q0011100z100001100110nnnnnddddd")
//INST(FCVTNS_3, "FCVTNS (vector)", "0Q00111001111001101010nnnnnddddd")
INST(FCVTNS_4, "FCVTNS (vector)", "0Q0011100z100001101010nnnnnddddd")
//INST(FCVTMS_3, "FCVTMS (vector)", "0Q00111001111001101110nnnnnddddd")
@ -603,9 +603,9 @@ INST(FCMLT_4, "FCMLT (zero)", "0Q001
INST(FABS_1, "FABS (vector)", "0Q00111011111000111110nnnnnddddd")
INST(FABS_2, "FABS (vector)", "0Q0011101z100000111110nnnnnddddd")
//INST(FRINTP_1, "FRINTP (vector)", "0Q00111011111001100010nnnnnddddd")
//INST(FRINTP_2, "FRINTP (vector)", "0Q0011101z100001100010nnnnnddddd")
INST(FRINTP_2, "FRINTP (vector)", "0Q0011101z100001100010nnnnnddddd")
//INST(FRINTZ_1, "FRINTZ (vector)", "0Q00111011111001100110nnnnnddddd")
//INST(FRINTZ_2, "FRINTZ (vector)", "0Q0011101z100001100110nnnnnddddd")
INST(FRINTZ_2, "FRINTZ (vector)", "0Q0011101z100001100110nnnnnddddd")
//INST(FCVTPS_3, "FCVTPS (vector)", "0Q00111011111001101010nnnnnddddd")
INST(FCVTPS_4, "FCVTPS (vector)", "0Q0011101z100001101010nnnnnddddd")
//INST(FCVTZS_int_3, "FCVTZS (vector, integer)", "0Q00111011111001101110nnnnnddddd")
@ -627,9 +627,9 @@ INST(SHLL, "SHLL, SHLL2", "0Q101
INST(UQXTN_2, "UQXTN, UQXTN2", "0Q101110zz100001010010nnnnnddddd")
//INST(FCVTXN_2, "FCVTXN, FCVTXN2", "0Q1011100z100001011010nnnnnddddd")
//INST(FRINTA_1, "FRINTA (vector)", "0Q10111001111001100010nnnnnddddd")
//INST(FRINTA_2, "FRINTA (vector)", "0Q1011100z100001100010nnnnnddddd")
INST(FRINTA_2, "FRINTA (vector)", "0Q1011100z100001100010nnnnnddddd")
//INST(FRINTX_1, "FRINTX (vector)", "0Q10111001111001100110nnnnnddddd")
//INST(FRINTX_2, "FRINTX (vector)", "0Q1011100z100001100110nnnnnddddd")
INST(FRINTX_2, "FRINTX (vector)", "0Q1011100z100001100110nnnnnddddd")
//INST(FCVTNU_3, "FCVTNU (vector)", "0Q10111001111001101010nnnnnddddd")
INST(FCVTNU_4, "FCVTNU (vector)", "0Q1011100z100001101010nnnnnddddd")
//INST(FCVTMU_3, "FCVTMU (vector)", "0Q10111001111001101110nnnnnddddd")
@ -643,7 +643,7 @@ INST(RBIT_asimd, "RBIT (vector)", "0Q101
INST(FNEG_1, "FNEG (vector)", "0Q10111011111000111110nnnnnddddd")
INST(FNEG_2, "FNEG (vector)", "0Q1011101z100000111110nnnnnddddd")
//INST(FRINTI_1, "FRINTI (vector)", "0Q10111011111001100110nnnnnddddd")
//INST(FRINTI_2, "FRINTI (vector)", "0Q1011101z100001100110nnnnnddddd")
INST(FRINTI_2, "FRINTI (vector)", "0Q1011101z100001100110nnnnnddddd")
//INST(FCMGE_zero_3, "FCMGE (zero)", "0Q10111011111000110010nnnnnddddd")
INST(FCMGE_zero_4, "FCMGE (zero)", "0Q1011101z100000110010nnnnnddddd")
//INST(FCMLE_3, "FCMLE (zero)", "0Q10111011111000110110nnnnnddddd")

44
src/frontend/A64/translate/impl/simd_two_register_misc.cpp
View file

@ -125,6 +125,21 @@ bool FloatConvertToInteger(TranslatorVisitor& v, bool Q, bool sz, Vec Vn, Vec Vd
return true;
}
bool FloatRoundToIntegral(TranslatorVisitor& v, bool Q, bool sz, Vec Vn, Vec Vd, FP::RoundingMode rounding_mode, bool exact) {
if (sz && !Q) {
return v.ReservedValue();
}
const size_t datasize = Q ? 128 : 64;
const size_t esize = sz ? 64 : 32;
const IR::U128 operand = v.V(datasize, Vn);
const IR::U128 result = v.ir.FPVectorRoundInt(esize, operand, rounding_mode, exact);
v.V(datasize, Vd, result);
return true;
}
bool SaturatedNarrow(TranslatorVisitor& v, bool Q, Imm<2> size, Vec Vn, Vec Vd, IR::U128 (IR::IREmitter::*fn)(size_t, const IR::U128&)) {
if (size == 0b11) {
return v.ReservedValue();
@ -292,6 +307,35 @@ bool TranslatorVisitor::FCVTZU_int_4(bool Q, bool sz, Vec Vn, Vec Vd) {
return FloatConvertToInteger(*this, Q, sz, Vn, Vd, Signedness::Unsigned, FP::RoundingMode::TowardsZero);
}
bool TranslatorVisitor::FRINTN_2(bool Q, bool sz, Vec Vn, Vec Vd) {
return FloatRoundToIntegral(*this, Q, sz, Vn, Vd, FP::RoundingMode::ToNearest_TieEven, false);
}
bool TranslatorVisitor::FRINTM_2(bool Q, bool sz, Vec Vn, Vec Vd) {
return FloatRoundToIntegral(*this, Q, sz, Vn, Vd, FP::RoundingMode::TowardsMinusInfinity, false);
}
bool TranslatorVisitor::FRINTP_2(bool Q, bool sz, Vec Vn, Vec Vd) {
return FloatRoundToIntegral(*this, Q, sz, Vn, Vd, FP::RoundingMode::TowardsPlusInfinity, false);
}
bool TranslatorVisitor::FRINTZ_2(bool Q, bool sz, Vec Vn, Vec Vd) {
return FloatRoundToIntegral(*this, Q, sz, Vn, Vd, FP::RoundingMode::TowardsZero, false);
}
bool TranslatorVisitor::FRINTA_2(bool Q, bool sz, Vec Vn, Vec Vd) {
return FloatRoundToIntegral(*this, Q, sz, Vn, Vd, FP::RoundingMode::ToNearest_TieAwayFromZero, false);
}
bool TranslatorVisitor::FRINTX_2(bool Q, bool sz, Vec Vn, Vec Vd) {
return FloatRoundToIntegral(*this, Q, sz, Vn, Vd, ir.current_location->FPCR().RMode(), true);
}
bool TranslatorVisitor::FRINTI_2(bool Q, bool sz, Vec Vn, Vec Vd) {
return FloatRoundToIntegral(*this, Q, sz, Vn, Vd,ir.current_location->FPCR().RMode(), false);
}
bool TranslatorVisitor::FRECPE_4(bool Q, bool sz, Vec Vn, Vec Vd) {
if (sz && !Q) {
return ReservedValue();