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cmd/internal/obj/arm: broken form of MOVW #20644

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benshi001 opened this issue Jun 12, 2017 · 2 comments
Closed

cmd/internal/obj/arm: broken form of MOVW #20644

benshi001 opened this issue Jun 12, 2017 · 2 comments
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@benshi001
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According to ARM's manual,

MOVW R0>>28(R1), R2

The final address can be either R1+R0>>28 (bit 23 set to 1) or R1-R0>>28 (bit 23 set to 0).

But current ARM assembler only accept addition. And will complaint

MOVW -(R0>>28)(R1), R2

with

unexpected R0 evaluating expression
@cherrymui
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MOVW.U R0>>28(R1), R2

@benshi001
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It is my mistake.

@golang golang locked and limited conversation to collaborators Jun 13, 2018
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@gopherbot @cherrymui @benshi001