[Bug target/86952] Avoid jump table for switch statement with -mindirect-branch=thunk
marxin at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Thu Apr 11 09:01:00 GMT 2019
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86952
--- Comment #26 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Thu Apr 11 08:59:48 2019
New Revision: 270277
URL: https://gcc.gnu.org/viewcvs?rev=270277&root=gcc&view=rev
Log:
Backport r269492
2019-04-11 Martin Liska <mliska@suse.cz>
Backport from mainline
2019-03-08 Martin Liska <mliska@suse.cz>
PR target/86952
* config/i386/i386.c (ix86_option_override_internal): Disable
jump tables when retpolines are used.
2019-04-11 Martin Liska <mliska@suse.cz>
Backport from mainline
2019-03-08 Martin Liska <mliska@suse.cz>
PR target/86952
* gcc.target/i386/pr86952.c: New test.
* gcc.target/i386/indirect-thunk-7.c: Use jump tables to match
scanned pattern.
* gcc.target/i386/indirect-thunk-inline-7.c: Likewise.
Added:
branches/gcc-7-branch/gcc/testsuite/gcc.target/i386/pr86952.c
Modified:
branches/gcc-7-branch/gcc/ChangeLog
branches/gcc-7-branch/gcc/config/i386/i386.c
branches/gcc-7-branch/gcc/testsuite/ChangeLog
branches/gcc-7-branch/gcc/testsuite/gcc.target/i386/indirect-thunk-7.c
branches/gcc-7-branch/gcc/testsuite/gcc.target/i386/indirect-thunk-extern-7.c
branches/gcc-7-branch/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-7.c
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