diff --git a/src/frontend/A64/decoder/a64.inc b/src/frontend/A64/decoder/a64.inc index 4558518f..9152396e 100644 --- a/src/frontend/A64/decoder/a64.inc +++ b/src/frontend/A64/decoder/a64.inc @@ -418,7 +418,7 @@ INST(FCMLT_2, "FCMLT (zero)", "01011 INST(FCVTPS_2, "FCVTPS (vector)", "010111101z100001101010nnnnnddddd") //INST(FCVTZS_int_1, "FCVTZS (vector, integer)", "0101111011111001101110nnnnnddddd") INST(FCVTZS_int_2, "FCVTZS (vector, integer)", "010111101z100001101110nnnnnddddd") -//INST(FRECPE_1, "FRECPE", "0101111011111001110110nnnnnddddd") +INST(FRECPE_1, "FRECPE", "0101111011111001110110nnnnnddddd") INST(FRECPE_2, "FRECPE", "010111101z100001110110nnnnnddddd") INST(FRECPX_1, "FRECPX", "0101111011111001111110nnnnnddddd") INST(FRECPX_2, "FRECPX", "010111101z100001111110nnnnnddddd") diff --git a/src/frontend/A64/translate/impl/simd_scalar_two_register_misc.cpp b/src/frontend/A64/translate/impl/simd_scalar_two_register_misc.cpp index 623a705c..5ec49844 100644 --- a/src/frontend/A64/translate/impl/simd_scalar_two_register_misc.cpp +++ b/src/frontend/A64/translate/impl/simd_scalar_two_register_misc.cpp @@ -172,6 +172,16 @@ bool TranslatorVisitor::FCVTZU_int_2(bool sz, Vec Vn, Vec Vd) { return ScalarFPConvertWithRound(*this, sz, Vn, Vd, FP::RoundingMode::TowardsZero, Signedness::Unsigned); } +bool TranslatorVisitor::FRECPE_1(Vec Vn, Vec Vd) { + const size_t esize = 16; + + const IR::U16 operand = V_scalar(esize, Vn); + const IR::U16 result = ir.FPRecipEstimate(operand); + + V_scalar(esize, Vd, result); + return true; +} + bool TranslatorVisitor::FRECPE_2(bool sz, Vec Vn, Vec Vd) { const size_t esize = sz ? 64 : 32;