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cmd/internal/obj/arm64: wrong encoding for instruction BICW #28548

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benshi001 opened this issue Nov 2, 2018 · 5 comments
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cmd/internal/obj/arm64: wrong encoding for instruction BICW #28548

benshi001 opened this issue Nov 2, 2018 · 5 comments
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Go1.12

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@benshi001
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"BICW $0x3ff00000, R2" is expected to encoded to

0x12025442:   "ANDW $0xc00fffff, R2"

but actual result is

0x1202d442:   "ANDW $0xcfcfcfcf, R2"
@benshi001 benshi001 added this to the Go1.12 milestone Nov 2, 2018
@benshi001
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cc @zhangfannie

@zhangfannie
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@benshi001 I will look into it.

@gopherbot
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Change https://golang.org/cl/147077 mentions this issue: cmd/internal/obj/arm64: fix encoding of 32-bit negated logical instructions

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@gopherbot
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Change https://golang.org/cl/147077 mentions this issue: cmd/internal/obj/arm64: fix encoding of 32-bit negated logical instructions

@gopherbot
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Change https://golang.org/cl/147077 mentions this issue: cmd/internal/obj/arm64: fix encoding of 32-bit negated logical instructions

@golang golang locked and limited conversation to collaborators Nov 3, 2019
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