On Mon, Mar 26, 2018 at 8:23 AM, Tsimbalist, Igor V <igor.v.tsimbal...@intel.com> wrote: >> -----Original Message----- >> From: Lu, Hongjiu >> Sent: Sunday, March 25, 2018 12:50 AM >> To: gcc-patches@gcc.gnu.org; Uros Bizjak <ubiz...@gmail.com>; Tsimbalist, >> Igor V <igor.v.tsimbal...@intel.com> >> Subject: [PATCH] i386: Insert ENDBR to trampoline for -fcf- >> protection=branch -mibt >> >> When -fcf-protection=branch -mibt are used, we need to insert ENDBR >> to trampoline. TRAMPOLINE_SIZE is creased by 4 bytes to accommodate >> 4-byte ENDBR instruction. >> >> OK for trunk? > > Regarding the test. Is it possible to check what is generated in a > trampoline? In particular, that endbr is generated. >
I think run-time test is sufficient. -- H.J.
