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Fanchen Kong authored
When a 8x16 shuffle matches a packed byte to dword zero extension, 1. input1 is S128Zero after canonicalization, 2. the indices {0,4,8,16} are consecutive value in the range [0-15] and other indices are in the range [16-31], the shuffle can be matched to packed byte to dword zero extend. These shuffles are commonly used in image processing. Change-Id: I14d1e35401dbc5ecd91f67c46ea9762628835d01 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3547667Reviewed-by: Deepti Gandluri <gdeepti@chromium.org> Commit-Queue: Fanchen Kong <fanchen.kong@intel.com> Cr-Commit-Position: refs/heads/main@{#80953}
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instruction-selector-x64-unittest.cc |