Bug 245966 - [RISC-V] integers sometimes interpreted as floats in createJSToWasmWrapper
Summary: [RISC-V] integers sometimes interpreted as floats in createJSToWasmWrapper
Status: NEW
Alias: None
Product: WebKit
Classification: Unclassified
Component: JavaScriptCore (show other bugs)
Version: WebKit Local Build
Hardware: All All
: P2 Normal
Assignee: Nobody
URL:
Keywords: InRadar
Depends on:
Blocks:
 
Reported: 2022-10-03 09:00 PDT by Juliana Sims
Modified: 2022-11-09 19:52 PST (History)
4 users (show)

See Also:

Attachments
Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description Juliana Sims 2022-10-03 09:00:01 PDT 
This appears to be caused by the ordering of the if statement checking types.
Comment 1 Radar WebKit Bug Importer 2022-10-10 09:00:19 PDT 
<rdar://problem/100981070>
Comment 2 Mark Lam 2022-10-10 09:13:02 PDT 
Juliana, do you have a reproduction test case?  Can we also have more context on the claim you made in the description https://bugs.webkit.org/show_bug.cgi?id=245966#c0?
Comment 3 Juliana Sims 2022-10-11 07:09:19 PDT 
(In reply to Mark Lam from comment #2)
> Juliana, do you have a reproduction test case?  Can we also have more
> context on the claim you made in the description
> https://bugs.webkit.org/show_bug.cgi?id=245966#c0?

You can step through `createJSToWasmWrapper` in a debugger on RISC-V while running this code: https://github.com/xanlpz/wasm-tests/blob/main/tests/i32stackargs.js
Comment 4 Yusuke Suzuki 2022-11-09 19:51:53 PST 
This is RISC-V’s specific bug.