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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: Clemens Backes <clemensb@chromium.org> Commit-Queue: Zhi An Ng <zhin@chromium.org> Cr-Commit-Position: refs/heads/master@{#65963}
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