https://gcc.gnu.org/bugzilla/show_bug.cgi?id=42683
--- Comment #2 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Sandra Loosemore <san...@gcc.gnu.org>: https://gcc.gnu.org/g:f7a2f0aa6bd28c054cecfda9d2c499a304cd4c2a commit r15-9472-gf7a2f0aa6bd28c054cecfda9d2c499a304cd4c2a Author: Sandra Loosemore <sloosem...@baylibre.com> Date: Tue Apr 15 00:56:30 2025 +0000 Doc: clarify -march=pentiumpro has no MMX support [PR42683] gcc/ChangeLog PR target/42683 * doc/invoke.texi (x86 Options): Clarify that -march=pentiumpro doesn't include MMX.