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Commit 8269fd2d authored by Simon Pilgrim's avatar Simon Pilgrim
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[GlobalIsel][X86] Add initial scalar G_MUL/G_SMULH/G_UMULH instruction selection handling 

Reuse the existing div/rem selection code to also handle mul/imul to support G_MUL/G_SMULH/G_UMULH, as they have a similar pattern using rDX/rAX for mulh/mul results, plus the AH/AL support for i8 multiplies.
parent 878e498f
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