diff options
Diffstat (limited to 'src/asm2wasm.h')
| -rw-r--r-- | src/asm2wasm.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/asm2wasm.h b/src/asm2wasm.h index 0cb9b8dbe..059e51c59 100644 --- a/src/asm2wasm.h +++ b/src/asm2wasm.h @@ -1819,7 +1819,9 @@ Function* Asm2WasmBuilder::processFunction(Ref ast) { // if there is a shift, we can just look through it, etc. processUnshifted = [&](Ref ptr, unsigned bytes) { auto shifts = bytesToShift(bytes); - if (ptr[0] == BINARY && ptr[1] == RSHIFT && ptr[3][0] == NUM && ptr[3][1]->getInteger() == shifts) { + // HEAP?[addr >> ?], or HEAP8[x | 0] + if ((ptr[0] == BINARY && ptr[1] == RSHIFT && ptr[3][0] == NUM && ptr[3][1]->getInteger() == shifts) || + (bytes == 1 && ptr[0] == BINARY && ptr[1] == OR && ptr[3][0] == NUM && ptr[3][1]->getInteger() == 0)) { return process(ptr[2]); // look through it } else if (ptr[0] == NUM) { // constant, apply a shift (e.g. HEAP32[1] is address 4) |