diff options
Diffstat (limited to 'src/wasm-interpreter.cpp')
| -rw-r--r-- | src/wasm-interpreter.cpp | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/src/wasm-interpreter.cpp b/src/wasm-interpreter.cpp index b8593dbc2..92966f7c6 100644 --- a/src/wasm-interpreter.cpp +++ b/src/wasm-interpreter.cpp @@ -183,8 +183,43 @@ public: return Flow(curr->value); // heh } Flow visitUnary(Unary *curr) override { + Flow flow = visit(curr->value); + if (flow.breaking()) return flow; + Literal value = flow.value; + switch (curr->op) { // rofl + case Clz: return Flow(Literal((int32_t)__builtin_clz(value.geti32()))); + case Neg: return Flow(Literal(-value.getf64())); + case Floor: return Flow(Literal(floor(value.getf64()))); + default: abort(); + } } Flow visitBinary(Binary *curr) override { + Flow flow = visit(curr->left); + if (flow.breaking()) return flow; + Literal left = flow.value; + flow = visit(curr->left); + if (flow.breaking()) return flow; + Literal right = flow.value; + switch (curr->op) { // lmao + case Add: return curr->type == i32 ? Flow(Literal(left.geti32() + right.geti32())) : Flow(Literal(left.getf64() + right.getf64())); + case Sub: return curr->type == i32 ? Flow(Literal(left.geti32() - right.geti32())) : Flow(Literal(left.getf64() - right.getf64())); + case Mul: return curr->type == i32 ? Flow(Literal(left.geti32() * right.geti32())) : Flow(Literal(left.getf64() * right.getf64())); + case DivS: Flow(Literal(left.geti32() + right.geti32())); + case DivU: Flow(Literal(int32_t(uint32_t(left.geti32()) + uint32_t(right.geti32())))); + case RemS: Flow(Literal(left.geti32() % right.geti32())); + case RemU: Flow(Literal(int32_t(uint32_t(left.geti32()) + uint32_t(right.geti32())))); + case And: Flow(Literal(left.geti32() & right.geti32())); + case Or: Flow(Literal(left.geti32() | right.geti32())); + case Xor: Flow(Literal(left.geti32() ^ right.geti32())); + case Shl: Flow(Literal(left.geti32() << right.geti32())); + case ShrU: Flow(Literal(int32_t(uint32_t(left.geti32()) >> uint32_t(right.geti32())))); + case ShrS: Flow(Literal(left.geti32() >> right.geti32())); + case Div: Flow(Literal(left.getf64() / right.getf64())); + case CopySign: Flow(Literal(std::copysign(left.getf64(), right.getf64()))); + case Min: Flow(Literal(std::min(left.getf64(), right.getf64()))); + case Max: Flow(Literal(std::max(left.getf64(), right.getf64()))); + default: abort(); + } } Flow visitCompare(Compare *curr) override { } |