• Milad Fa's avatar
    PPC/s390: [wasm] Keep call_indirect index on the stack · 81f15091
    Milad Fa authored
    Port c2d46fe9
    
    Original Commit Message:
    
        When a call_indirect fails because of a signature mismatch or a null
        target, the value stack generated for debug doesn't contain the target
        index anymore, which makes it hard for users to understand the error.
    
        Keep the index on the stack, and ensure that the index is not modified
        until we generate the debug info. Previously, the index was shifted
        in-place to compute various offsets. Instead, use scaled loads to
        compute the offset directly in the load instruction.
    
    R=thibaudm@chromium.org, joransiu@ca.ibm.com, junyan@redhat.com, midawson@redhat.com
    BUG=
    LOG=N
    
    Change-Id: I6ab0b5bfcac991f6e26a97bb2513556aa67dcf94
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3858300Reviewed-by: 's avatarThibaud Michaud <thibaudm@chromium.org>
    Commit-Queue: Milad Farazmand <mfarazma@redhat.com>
    Reviewed-by: 's avatarJunliang Yan <junyan@redhat.com>
    Cr-Commit-Position: refs/heads/main@{#82793}
    81f15091
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