fix DemoteFloat64 in wasm2asm

kripken · kripken · commit 440894df858f · 2015-12-05T12:20:49.000-08:00
diff --git a/src/wasm2asm.h b/src/wasm2asm.h
@@ -725,7 +725,7 @@ Ref Wasm2AsmBuilder::processFunctionBody(Expression* curr, IString result) {
             case PromoteFloat32:
             case ConvertSInt32: ret = ValueBuilder::makePrefix(PLUS, value); break;
             case ConvertUInt32: ret = ValueBuilder::makePrefix(PLUS, ValueBuilder::makeBinary(value, TRSHIFT, ValueBuilder::makeNum(0))); break;
-            case DemoteFloat64: break;
+            case DemoteFloat64: ret = value; break;
             default: std::cerr << curr << '\n'; abort();
           }
           if (curr->type == f32) { // doubles need much less coercing

Original file line number	Diff line number	Diff line change
`@@ -725,7 +725,7 @@ Ref Wasm2AsmBuilder::processFunctionBody(Expression* curr, IString result) {`
`725`	`725`	`case PromoteFloat32:`
`726`	`726`	`case ConvertSInt32: ret = ValueBuilder::makePrefix(PLUS, value); break;`
`727`	`727`	`case ConvertUInt32: ret = ValueBuilder::makePrefix(PLUS, ValueBuilder::makeBinary(value, TRSHIFT, ValueBuilder::makeNum(0))); break;`
`728`		`- case DemoteFloat64: break;`
	`728`	`+ case DemoteFloat64: ret = value; break;`
`729`	`729`	`default: std::cerr << curr << '\n'; abort();`
`730`	`730`	`}`
`731`	`731`	`if (curr->type == f32) { // doubles need much less coercing`