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| author | Jeff Law <law@redhat.com> | 2017-09-19 23:43:28 -0600 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2017-09-19 23:43:28 -0600 |
| commit | ac9c032e4d7e6350c529707cedda7250b77190cc (patch) | |
| tree | 926f3e77aacdcb0040c2b0731fb7dd61d5f8b7aa /gcc/testsuite | |
| parent | 8e7a09c353842f38c05b8cb171efa9784ab84862 (diff) | |
| download | gcc-ac9c032e4d7e6350c529707cedda7250b77190cc.zip gcc-ac9c032e4d7e6350c529707cedda7250b77190cc.tar.gz gcc-ac9c032e4d7e6350c529707cedda7250b77190cc.tar.bz2 | |
combine-stack-adj.c (combine_stack_adjustments_for_block): Do nothing for stack adjustments with REG_STACK_CHECK.
* combine-stack-adj.c (combine_stack_adjustments_for_block): Do
nothing for stack adjustments with REG_STACK_CHECK.
* sched-deps.c (parse_add_or_inc): Reject insns with
REG_STACK_CHECK from dependency breaking.
* config/i386/i386.c (pro_epilogue_adjust_stack): Return insn.
(ix86_adjust_satck_and_probe_stack_clash): Add REG_STACK_NOTEs.
* reg-notes.def (STACK_CHECK): New note.
* gcc.target/i386/stack-check-11.c: New test.
From-SVN: r252999
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/stack-check-11.c | 16 |
2 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 55510b1..d2eec19 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,7 @@ 2017-09-19 Jeff Law <law@redhat.com> + * gcc.target/i386/stack-check-11.c: New test. + * gcc.dg/stack-check-4.c: New test. * gcc.dg/stack-check-5.c: New test. * gcc.dg/stack-check-6.c: New test. diff --git a/gcc/testsuite/gcc.target/i386/stack-check-11.c b/gcc/testsuite/gcc.target/i386/stack-check-11.c new file mode 100644 index 0000000..183103f --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/stack-check-11.c @@ -0,0 +1,16 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fstack-clash-protection" } */ +/* { dg-require-effective-target supports_stack_clash_protection } */ + +extern void arf (unsigned long int *, unsigned long int *); +void +frob () +{ + unsigned long int num[859]; + unsigned long int den[859]; + arf (den, num); +} + +/* { dg-final { scan-assembler-times "subq" 4 } } */ +/* { dg-final { scan-assembler-times "orq" 3 } } */ + |