[X86] Fix (completely overridden) WriteFHAdd/WritePHAdd classes to allow us to…

Description

[X86] Fix (completely overridden) WriteFHAdd/WritePHAdd classes to allow us to remove unnecessary instrw overrides.

Details

Committed
RKSimonApr 22 2018, 8:25 AM
Parents
rL330545: [X86][MMX][SSE] Tag missed PHADD/PHSUB instructions with WritePHAdd
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