On 4/20/2021 8:06 AM, Andreas Krebbel via Gcc-patches wrote:
With the current handling of decl alignments it is impossible to
reduce the alignment requirement as part of a variable declaration.
This change has been proposed by Richard in the PR. It fixes the
align-1.c testcase on IBM Z.
Bootstrapped on x86_64 and s390x. No regressions.
Ok for mainline?
gcc/ChangeLog:
PR middle-end/88085
* emit-rtl.c (set_mem_attributes_minus_bitpos): Use the user
alignment if there are no pre-existing mem attrs.
OK
jeff
