[llvm-bugs] [Bug 184313] [RISCV] The instructions of satd_4x4 increases a lot from LLVM 21 to LLVM 22

[LLVM Bugs via llvm-bugs]

Issue	184313
Summary	[RISCV] The instructions of satd_4x4 increases a lot from LLVM 21 to LLVM 22
Labels	regression:22
Assignees
Reporter	wangpc-pp

    See: https://godbolt.org/z/3zhWv9r3q

Though we generate unit segment loads instead of strided loads, we cost a lot to shuffle the vectors.

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