diff options
Diffstat (limited to 'src/wasm2asm.h')
| -rw-r--r-- | src/wasm2asm.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/src/wasm2asm.h b/src/wasm2asm.h index f261b7d57..664477a8d 100644 --- a/src/wasm2asm.h +++ b/src/wasm2asm.h @@ -288,6 +288,9 @@ Ref Wasm2AsmBuilder::processFunctionBody(Expression* curr, IString result) { } } + IString getName() { + return temp; + } Ref getAstName() { return ValueBuilder::makeName(temp); } @@ -499,6 +502,32 @@ Ref Wasm2AsmBuilder::processFunctionBody(Expression* curr, IString result) { return ret; } void visitLoad(Load *curr) override { + if (isStatement(curr)) { + ScopedTemp temp(i32, parent); + GetLocal fakeLocal; + fakeLocal.name = temp.getName(); + Load fakeLoad = *curr; + fakeLoad.ptr = &fakeLocal; + Ref ret = blockify(visit(curr->value, temp)); + ret[1]->push_back(visit(&fakeLoad, result)); + return ret; + } + // normal load + assert(curr->bytes == curr->align); // TODO: unaligned, i64 + Ref ptr = visit(curr->ptr, EXPRESSION_RESULT); + switch (curr->type) { + case i32: { + switch (curr->bytes) { + case 1: return ValueBuilder::makeSub(ValueBuilder::makeName(curr->signed_ ? HEAP8 : HEAPU8 ), ValueBuilder::makePtrShift(ptr, 0)); + case 2: return ValueBuilder::makeSub(ValueBuilder::makeName(curr->signed_ ? HEAP16 : HEAPU16), ValueBuilder::makePtrShift(ptr, 1)); + case 4: return ValueBuilder::makeSub(ValueBuilder::makeName(curr->signed_ ? HEAP32 : HEAPU32), ValueBuilder::makePtrShift(ptr, 2)); + default: abort(); + } + } + case f32: return ValueBuilder::makeSub(ValueBuilder::makeName(HEAPF32), ValueBuilder::makePtrShift(ptr, 2)); + case f64: return ValueBuilder::makeSub(ValueBuilder::makeName(HEAPF64), ValueBuilder::makePtrShift(ptr, 3)); + default: abort(); + } } void visitStore(Store *curr) override { } |