https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126450
--- Comment #3 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by H.J. Lu <[email protected]>: https://gcc.gnu.org/g:ea27cb48a346633d6bfabcde75f88affb9463e40 commit r17-2777-gea27cb48a346633d6bfabcde75f88affb9463e40 Author: H.J. Lu <[email protected]> Date: Wed Jul 29 06:23:57 2026 +0800 x86: Check argument-linked memory used for local variable Since in typedef int V [[gnu::vector_size (16)]]; long long a, b, c, d, e; short f; [[gnu::vector_size (8 * sizeof (int))]] int g; V h; _Bool i; void foo (V x) { _Bool j = 0; short l = 0; l1: b = l; x = h; ... } the register argument, x, is used as local variable, also return true if spilling an SSA_NAME into an argument-linked memory. gcc/ PR target/126450 * config/i386/i386.cc (ix86_spill_register_argument_p): Check the argument-linked memory used to store local variable. gcc/testsuite/ PR target/126450 * gcc.target/i386/pr126450-1.c: New test. * gcc.target/i386/pr126450-2.c: Likewise. Signed-off-by: H.J. Lu <[email protected]>
