commit: 2baeb8c8987f9214080ce2a8c94c0e93ee7af217 Author: Luca Barbato <lu_zero <AT> gentoo <DOT> org> AuthorDate: Fri Jul 5 09:31:57 2024 +0000 Commit: Luca Barbato <lu_zero <AT> gentoo <DOT> org> CommitDate: Fri Jul 5 20:49:09 2024 +0000 URL: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=2baeb8c8
flag-o-matic.eclass: allow -mstrict-align and -mvector-strict-align It is needed to make sure vector unaligned load/store aren't inserted when the riscv cpu does not allow them. See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115789 Signed-off-by: Luca Barbato <lu_zero <AT> gentoo.org> eclass/flag-o-matic.eclass | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/eclass/flag-o-matic.eclass b/eclass/flag-o-matic.eclass index ecac452aa0ef..c6b1ad80e12e 100644 --- a/eclass/flag-o-matic.eclass +++ b/eclass/flag-o-matic.eclass @@ -129,6 +129,10 @@ _setup-allowed-flags() { # needed for arm64 (and in particular SCS) -ffixed-x18 + # needed for riscv (to prevent unaligned vector access) + # See https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115789 + -mstrict-align -mvector-strict-align + # gcc 4.5 -mno-fma4 -mno-movbe -mno-xop -mno-lwp # gcc 4.6
