https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116621
--- Comment #7 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-14 branch has been updated by H.J. Lu <h...@gcc.gnu.org>: https://gcc.gnu.org/g:3f3f546bf830d019224aaf6cd349a1b9b738de1a commit r14-10672-g3f3f546bf830d019224aaf6cd349a1b9b738de1a Author: H.J. Lu <hjl.to...@gmail.com> Date: Fri Sep 6 05:24:07 2024 -0700 x86-64: Don't use temp for argument in a TImode register Don't use temp for a PARALLEL BLKmode argument of an EXPR_LIST expression in a TImode register. Otherwise, the TImode variable will be put in the GPR save area which guarantees only 8-byte alignment. gcc/ PR target/116621 * config/i386/i386.cc (ix86_gimplify_va_arg): Don't use temp for a PARALLEL BLKmode container of an EXPR_LIST expression in a TImode register. gcc/testsuite/ PR target/116621 * gcc.target/i386/pr116621.c: New test. Signed-off-by: H.J. Lu <hjl.to...@gmail.com> (cherry picked from commit fa7bbb065c63aa802e0bbb04d605407dad58cf94)
