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From: "law at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/103278] [12 Regression] Recent change to
 cddce inhibits switch optimization
Date: Wed, 17 Nov 2021 14:48:57 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103278

--- Comment #3 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Note we also see these regressions:

rl78-elf
  if-to-switch-5
  if-to-switch-9

xstormy16-elf
  if-to-switch-9

sh3-linux-gnu
sh3eb-linux-gnu
  gcc.target/sh/pr51244-19.c, but I think this is fixable with a trivial sh=
.md
change=