InstructionSelector::VisitInt32Mul

TEST=cctest/test-run-machops/RunInt32MulAndInt32AddP,mjsunit/asm/int32mod-constant

Bug: 
Change-Id: Iaccfc0d0c981e7c7e2f8b06ff3812fe60d1f85d3
Reviewed-on: https://chromium-review.googlesource.com/574367Reviewed-by: Miran Karić <Miran.Karic@imgtec.com>
Commit-Queue: Ivica Bogosavljevic <ivica.bogosavljevic@imgtec.com>
Cr-Commit-Position: refs/heads/master@{#46707}