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A64: Add opcodes for signed saturating negations

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This commit is contained in:
Lioncash
2018-09-06 15:50:25 -04:00
committed by MerryMage
parent f1ebbcd7bc
commit fca7eddb9e
5 changed files with 145 additions and 0 deletions
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15
src/frontend/ir/ir_emitter.cpp
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@@ -1566,6 +1566,21 @@ U128 IREmitter::VectorSignedSaturatedNarrowToUnsigned(size_t original_esize, con
return {};
}
U128 IREmitter::VectorSignedSaturatedNeg(size_t esize, const U128& a) {
switch (esize) {
case 8:
return Inst<U128>(Opcode::VectorSignedSaturatedNeg8, a);
case 16:
return Inst<U128>(Opcode::VectorSignedSaturatedNeg16, a);
case 32:
return Inst<U128>(Opcode::VectorSignedSaturatedNeg32, a);
case 64:
return Inst<U128>(Opcode::VectorSignedSaturatedNeg64, a);
}
UNREACHABLE();
return {};
}
U128 IREmitter::VectorSub(size_t esize, const U128& a, const U128& b) {
switch (esize) {
case 8: