[Bug target/82788] wrong code with -fstack-clash-protection --param=stack-clash-protection-probe-interval=10 on simple code

[law at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82788

--- Comment #2 from Jeffrey A. Law <law at gcc dot gnu.org> ---
Author: law
Date: Mon Nov  6 15:51:16 2017
New Revision: 254456

URL: https://gcc.gnu.org/viewcvs?rev=254456&root=gcc&view=rev
Log:
        PR target/82788
        * config/i386/i386.c (PROBE_INTERVAL): Remove.
        (get_probe_interval): New functions.
        (ix86_adjust_stack_and_probe_stack_clash): Use get_probe_interval.
        (ix86_adjust_stack_and_probe): Likewise.
        (output_adjust_stack_and_probe): Likewise.
        (ix86_emit_probe_stack_range): Likewise.
        (ix86_expand_prologue): Likewise.

        PR target/82788
        * gcc.dg/pr82788.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr82788.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog