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A64: Implement single and double-precision vector variant of FSQRT

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Lioncash 2019-03-04 13:00:21 -05:00 committed by MerryMage
parent 5cf1478620
commit c99d4b762e
2 changed files with 16 additions and 2 deletions
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2
src/frontend/A64/decoder/a64.inc
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@ -697,7 +697,7 @@ INST(URSQRTE, "URSQRTE", "0Q101
//INST(FRSQRTE_3, "FRSQRTE", "0Q10111011111001110110nnnnnddddd")
INST(FRSQRTE_4, "FRSQRTE", "0Q1011101z100001110110nnnnnddddd")
//INST(FSQRT_1, "FSQRT (vector)", "0Q10111011111001111110nnnnnddddd")
//INST(FSQRT_2, "FSQRT (vector)", "0Q1011101z100001111110nnnnnddddd")
INST(FSQRT_2, "FSQRT (vector)", "0Q1011101z100001111110nnnnnddddd")
//INST(FRINT32X_1, "FRINT32X (vector)", "0Q1011100z100001111110nnnnnddddd") // ARMv8.5
//INST(FRINT64X_1, "FRINT64X (vector)", "0Q1011100z100001111010nnnnnddddd") // ARMv8.5
//INST(FRINT32Z_1, "FRINT32Z (vector)", "0Q0011100z100001111010nnnnnddddd") // ARMv8.5

16
src/frontend/A64/translate/impl/simd_two_register_misc.cpp
View file

@ -447,7 +447,6 @@ 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();
@ -463,6 +462,21 @@ bool TranslatorVisitor::FRECPE_4(bool Q, bool sz, Vec Vn, Vec Vd) {
return true;
}
bool TranslatorVisitor::FSQRT_2(bool Q, bool sz, Vec Vn, Vec Vd) {
if (sz && !Q) {
return ReservedValue();
}
const size_t datasize = Q ? 128 : 64;
const size_t esize = sz ? 64 : 32;
const IR::U128 operand = V(datasize, Vn);
const IR::U128 result = ir.FPVectorSqrt(esize, operand);
V(datasize, Vd, result);
return true;
}
bool TranslatorVisitor::FRSQRTE_4(bool Q, bool sz, Vec Vn, Vec Vd) {
if (sz && !Q) {
return ReservedValue();