• Ng Zhi An's avatar
    Reland "[liftoff][wasm-simd] Implement f32x4.splat" · b110d480
    Ng Zhi An authored
    This relands commit 009993ad.
    
    The fix is in liftoff-assembler-ia32.h, the codegen was incorrect.
    
    Original change's description:
    > Implement f32x4.splat and enable handling this in Liftoff.
    >
    > We add a new macro for defining test cases to run on TurboFan, Liftoff,
    > interpreter, and scalar lowering.
    >
    > Also add an assertion that the execution tier used is what we expected
    > it to be. This is useful for Liftoff, because by default it falls back
    > to TurboFan when it encounters an unimplemented opcode.
    >
    > Bug: v8:9909
    
    Bug: v8:9909
    Change-Id: I7daacbe8b195d9212367190c515b0babbc457a88
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2018043Reviewed-by: 's avatarClemens Backes <clemensb@chromium.org>
    Commit-Queue: Zhi An Ng <zhin@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#65963}
    b110d480
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