https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90811
--- Comment #23 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Kito Cheng <k...@gcc.gnu.org>: https://gcc.gnu.org/g:dfa4fcdba374ed44d4aa1a22b2738f3f5c5b37af commit r11-508-gdfa4fcdba374ed44d4aa1a22b2738f3f5c5b37af Author: Kito Cheng <kito.ch...@sifive.com> Date: Tue Apr 14 14:53:19 2020 +0800 Fix alignment for local variable [PR90811] - The alignment for local variable was adjust during estimate_stack_frame_size, however it seems wrong spot to adjust that, expand phase will adjust that but it little too late to some gimple optimization, which rely on certain target hooks need to check alignment, forwprop is an example for that, result of simplify_builtin_call rely on the alignment on some target like ARM or RISC-V. - Exclude static local var and hard register var in the process of alignment adjustment. - This patch fix gfortran.dg/pr45636.f90 for arm and riscv. - Regression test on riscv32/riscv64 and x86_64-linux-gnu, no new fail introduced. gcc/ChangeLog PR target/90811 * Makefile.in (OBJS): Add adjust-alignment.o. * adjust-alignment.c (pass_data_adjust_alignment): New. (pass_adjust_alignment): New. (pass_adjust_alignment::execute): New. (make_pass_adjust_alignment): New. * tree-pass.h (make_pass_adjust_alignment): New. * passes.def: Add pass_adjust_alignment.
