diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/wasm2asm.h | 66 |
1 files changed, 36 insertions, 30 deletions
diff --git a/src/wasm2asm.h b/src/wasm2asm.h index d75c92e84..489b360da 100644 --- a/src/wasm2asm.h +++ b/src/wasm2asm.h @@ -165,6 +165,7 @@ Ref Wasm2AsmBuilder::processFunction(Function* func) { ); } Ref theVar = ValueBuilder::makeVar(); + size_t theVarIndex = ret[3]->size(); ret[3]->push_back(theVar); // body scanFunctionBody(func->body); @@ -189,6 +190,9 @@ Ref Wasm2AsmBuilder::processFunction(Function* func) { for (auto f : frees[f64]) { ValueBuilder::appendToVar(theVar, f, makeAsmCoercedZero(ASM_DOUBLE)); } + if (theVar[1]->size() == 0) { + ret[3]->splice(theVarIndex, 1); + } // checks assert(frees[i32].size() == temps[i32]); // all temp vars should be free at the end assert(frees[f32].size() == temps[f32]); // all temp vars should be free at the end @@ -680,39 +684,41 @@ Ref Wasm2AsmBuilder::processFunctionBody(Expression* curr, IString result) { // normal binary Ref left = visit(curr->left, EXPRESSION_RESULT); Ref right = visit(curr->right, EXPRESSION_RESULT); + Ref ret; switch (curr->op) { - case Add: return ValueBuilder::makeBinary(left, PLUS, right); - case Sub: return ValueBuilder::makeBinary(left, MINUS, right); - case Mul: return ValueBuilder::makeBinary(left, MUL, right); - case DivS: return ValueBuilder::makeBinary(left, DIV, right); - case DivU: return ValueBuilder::makeBinary(left, DIV, right); - case RemS: return ValueBuilder::makeBinary(left, MOD, right); - case RemU: return ValueBuilder::makeBinary(left, MOD, right); - case And: return ValueBuilder::makeBinary(left, AND, right); - case Or: return ValueBuilder::makeBinary(left, OR, right); - case Xor: return ValueBuilder::makeBinary(left, XOR, right); - case Shl: return ValueBuilder::makeBinary(left, LSHIFT, right); - case ShrU: return ValueBuilder::makeBinary(left, TRSHIFT, right); - case ShrS: return ValueBuilder::makeBinary(left, RSHIFT, right); - case Div: return ValueBuilder::makeBinary(left, DIV, right); - case Min: return ValueBuilder::makeCall(MATH_MIN, left, right); - case Max: return ValueBuilder::makeCall(MATH_MAX, left, right); - case Eq: return ValueBuilder::makeBinary(left, EQ, right); - case Ne: return ValueBuilder::makeBinary(left, NE, right); - case LtS: return ValueBuilder::makeBinary(left, LT, right); - case LtU: return ValueBuilder::makeBinary(left, LT, right); - case LeS: return ValueBuilder::makeBinary(left, LE, right); - case LeU: return ValueBuilder::makeBinary(left, LE, right); - case GtS: return ValueBuilder::makeBinary(left, GT, right); - case GtU: return ValueBuilder::makeBinary(left, GT, right); - case GeS: return ValueBuilder::makeBinary(left, GE, right); - case GeU: return ValueBuilder::makeBinary(left, GE, right); - case Lt: return ValueBuilder::makeBinary(left, LT, right); - case Le: return ValueBuilder::makeBinary(left, LE, right); - case Gt: return ValueBuilder::makeBinary(left, GT, right); - case Ge: return ValueBuilder::makeBinary(left, GE, right); + case Add: ret = ValueBuilder::makeBinary(left, PLUS, right); break; + case Sub: ret = ValueBuilder::makeBinary(left, MINUS, right); break; + case Mul: ret = ValueBuilder::makeBinary(left, MUL, right); break; + case DivS: ret = ValueBuilder::makeBinary(left, DIV, right); break; + case DivU: ret = ValueBuilder::makeBinary(left, DIV, right); break; + case RemS: ret = ValueBuilder::makeBinary(left, MOD, right); break; + case RemU: ret = ValueBuilder::makeBinary(left, MOD, right); break; + case And: ret = ValueBuilder::makeBinary(left, AND, right); break; + case Or: ret = ValueBuilder::makeBinary(left, OR, right); break; + case Xor: ret = ValueBuilder::makeBinary(left, XOR, right); break; + case Shl: ret = ValueBuilder::makeBinary(left, LSHIFT, right); break; + case ShrU: ret = ValueBuilder::makeBinary(left, TRSHIFT, right); break; + case ShrS: ret = ValueBuilder::makeBinary(left, RSHIFT, right); break; + case Div: ret = ValueBuilder::makeBinary(left, DIV, right); break; + case Min: ret = ValueBuilder::makeCall(MATH_MIN, left, right); break; + case Max: ret = ValueBuilder::makeCall(MATH_MAX, left, right); break; + case Eq: ret = ValueBuilder::makeBinary(left, EQ, right); break; + case Ne: ret = ValueBuilder::makeBinary(left, NE, right); break; + case LtS: ret = ValueBuilder::makeBinary(left, LT, right); break; + case LtU: ret = ValueBuilder::makeBinary(left, LT, right); break; + case LeS: ret = ValueBuilder::makeBinary(left, LE, right); break; + case LeU: ret = ValueBuilder::makeBinary(left, LE, right); break; + case GtS: ret = ValueBuilder::makeBinary(left, GT, right); break; + case GtU: ret = ValueBuilder::makeBinary(left, GT, right); break; + case GeS: ret = ValueBuilder::makeBinary(left, GE, right); break; + case GeU: ret = ValueBuilder::makeBinary(left, GE, right); break; + case Lt: ret = ValueBuilder::makeBinary(left, LT, right); break; + case Le: ret = ValueBuilder::makeBinary(left, LE, right); break; + case Gt: ret = ValueBuilder::makeBinary(left, GT, right); break; + case Ge: ret = ValueBuilder::makeBinary(left, GE, right); break; default: abort(); } + return makeAsmCoercion(ret, wasmToAsmType(curr->type)); } Ref visitSelect(Select *curr) override { if (isStatement(curr)) { |