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| author | Martin Liska <mliska@suse.cz> | 2018-11-09 16:05:40 +0100 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2018-11-09 15:05:40 +0000 |
| commit | 47b840eb39c3f0b3ddb01e81a359b9926b13cf44 (patch) | |
| tree | 1153d06dcb763580bae79107afac2c1b0317586c /gcc/testsuite | |
| parent | 2e14744fcd7820033b91c9516e22eb42b02b5290 (diff) | |
| download | gcc-47b840eb39c3f0b3ddb01e81a359b9926b13cf44.zip gcc-47b840eb39c3f0b3ddb01e81a359b9926b13cf44.tar.gz gcc-47b840eb39c3f0b3ddb01e81a359b9926b13cf44.tar.bz2 | |
Come up with the flag -fipa-stack-alignment.
2018-11-09 Martin Liska <mliska@suse.cz>
* common.opt: Add -fipa-stack-alignment flag.
* doc/invoke.texi: Document it.
* final.c (rest_of_clean_state): Guard stack
shrinking with flag.
2018-11-09 Martin Liska <mliska@suse.cz>
* gcc.target/i386/ipa-stack-alignment.c: New test.
From-SVN: r265970
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/ipa-stack-alignment.c | 13 |
2 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 6dd28ff..0e257c3 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,9 @@ 2018-11-09 Martin Liska <mliska@suse.cz> + * gcc.target/i386/ipa-stack-alignment.c: New test. + +2018-11-09 Martin Liska <mliska@suse.cz> + * gcc.dg/tree-ssa/writeonly-2.c: New test. 2018-11-09 Jakub Jelinek <jakub@redhat.com> diff --git a/gcc/testsuite/gcc.target/i386/ipa-stack-alignment.c b/gcc/testsuite/gcc.target/i386/ipa-stack-alignment.c new file mode 100644 index 0000000..1176b59 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/ipa-stack-alignment.c @@ -0,0 +1,13 @@ +/* { dg-do compile } */ +/* { dg-options "-fno-ipa-stack-alignment -O" } */ + +typedef struct { + long a; + long b[]; +} c; + +c *d; +void e() { d->b[0] = 5; } +void f() { e(); } + +/* { dg-final { scan-assembler "sub.*%.sp" } } */ |