https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82628
Jakub Jelinek <jakub at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Attachment #42430|0 |1 is obsolete| | --- Comment #14 from Jakub Jelinek <jakub at gcc dot gnu.org> --- Created attachment 42431 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42431&action=edit gcc8-pr82628.patch Oh, when it is a constraint, it is called with VOIDmode, so the predicate has to check !TARGET_64BIT rather than mode == DImode. With this, the results are better, still have to look at x86_64 +FAIL: gcc.target/i386/pr67317-2.c scan-assembler-not addb +FAIL: gcc.target/i386/pr67317-4.c scan-assembler-not addb and i686: +FAIL: gcc.target/i386/pr50038.c scan-assembler-times movzbl 2 (found 3 times) +FAIL: gcc.target/i386/pr67317-1.c scan-assembler-not addb +FAIL: gcc.target/i386/pr67317-3.c scan-assembler-not addb