|author||Ben Shi <email@example.com>||Wed Aug 01 06:38:54 2018 +0000|
|committer||Cherry Zhang <firstname.lastname@example.org>||Fri Aug 03 15:44:22 2018 +0000|
cmd/internal/obj/arm64: fix incorrect rejection of legal instructions "BFI $0, R1, $7, R2" is expected to copy bit 0~6 from R1 to R2, and left R2's other bits unchanged. But the assembler rejects it with error "illegal bit number", and BFIW/SBFIZ/SBFIZW/UBFIZ/UBFIZW have the same problem. This CL fixes that issue and adds corresponding test cases. fixes #26736 Change-Id: Ie0090a0faa38a49dd9b096a0f435987849800b76 Reviewed-on: https://go-review.googlesource.com/127159 Run-TryBot: Ben Shi <email@example.com> Reviewed-by: Cherry Zhang <firstname.lastname@example.org>
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