https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95748
Bug ID: 95748 Summary: Long long function parameter should be aligned to 32 bit on x86. Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: skpgkp2 at gmail dot com CC: hjl.tools at gmail dot com Target Milestone: --- Long long function parameter should be aligned to 32 bit on x86 target. $ cat paramtest.c void foo(int x, long long p) { if (__alignof__(p) != 4 ) __builtin_abort(); } int bar() { foo(4,5); return 0; } int main() { return(bar()); } $ gcc -m32 paramtest.c $ ./a.out Aborted (core dumped)