On 7/24/2021 3:44 AM, Roger Sayle wrote:
My apologies for the short delay. Thanks for explaining why these
transforms
don't usually require explicit tests for side-effects (but occasionally do).
This does simplify things; please find attached the shorter revised patch.
This patch has been retested on x86_64-pc-linux-gnu with a make bootstrap
and make -k check with no new failures. Ok for mainline?
2010-07-24 Roger Sayle <ro...@nextmovesoftware.com>
Marc Glisse <marc.gli...@inria.fr>
gcc/ChangeLog
* match.pd (rotate): Simplify equality/inequality of rotations.
(bswap): Simplify equality/inequality tests of byte swapping.
gcc/testsuite/ChangeLog
* gcc.dg/fold-eqrotate-1.c: New test case.
* gcc.dg/fold-eqbswap-1.c: New test case.
OK. Thanks!
jeff
