Add SIMD mask and select operations.#9749
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Add SIMD mask and select operations.#9749copybara-service[bot] wants to merge 1 commit intomasterfrom
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This change introduces a `mask` template to represent boolean masks for SIMD vectors. It includes: - Definition of the `mask` template in `vec.h`. - Overloaded comparison operators (`==`, `!=`, `<`, `<=`, `>`, `>=`) for `vec` types, returning `mask` types. - Overloaded bitwise operators (`&`, `|`, `^`, `~`) for `mask` types. - A `select` function to conditionally choose elements from two vectors based on a `mask`. - Specialized implementations for ARM NEON, x86 SSE2, AVX, and AVX512. - Generic implementations for multi_vec. - New test cases for compare and select operations. PiperOrigin-RevId: 886929409
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Add SIMD mask and select operations.
This change introduces a
masktemplate to represent boolean masks for SIMD vectors. It includes:masktemplate invec.h.==,!=,<,<=,>,>=) forvectypes, returningmasktypes.&,|,^,~) formasktypes.selectfunction to conditionally choose elements from two vectors based on amask.