[upstreaming] Revert added comment to SystemInitializerCommon.cpp #127
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swift-ci
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Feb 11, 2021
This patch fixes an issue in the implementation of DUP/CPY where certain
immediates were not accepted. Immediates should be interpreted as a two's
complement encoding of a value that fits the number of bits of the element
type.
mov z0.b, p0/z, #127
<=> mov z0.b, p0/z, #-129
<=> mov z0.b, p0/z, #0xffffffffffffff7f
This behaviour is in line with the GNU assembler.
Reviewed By: c-rhodes
Differential Revision: https://reviews.llvm.org/D94776
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