diff options
| author | jye2 <jye2@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-11-04 16:50:04 +0000 |
|---|---|---|
| committer | jye2 <jye2@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-11-04 16:50:04 +0000 |
| commit | b2377df472e5b44041051abb415c553a444b098a (patch) | |
| tree | ceaffa105c789fb7507175295cf5c3c25f297eaf /gcc/testsuite/gcc.target/arm/stack-red-zone.c | |
| parent | ff84b8d6e6fcee5519336582630df74cfa5abcde (diff) | |
| download | gcc-b2377df472e5b44041051abb415c553a444b098a.tar.gz | |
2011-11-04 Jiangning Liu <jiangning.liu@arm.com>
PR rtl-optimization/38644
* config/arm/arm.c (thumb1_expand_epilogue): Add memory barrier
for epilogue having stack adjustment.
testcase:
* gcc.target/arm/stack-red-zone.c: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@180964 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/testsuite/gcc.target/arm/stack-red-zone.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/arm/stack-red-zone.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/arm/stack-red-zone.c b/gcc/testsuite/gcc.target/arm/stack-red-zone.c new file mode 100644 index 00000000000..b9f0f99371e --- /dev/null +++ b/gcc/testsuite/gcc.target/arm/stack-red-zone.c @@ -0,0 +1,12 @@ +/* No stack red zone. PR38644. */ +/* { dg-options "-mthumb -O2" } */ +/* { dg-final { scan-assembler "ldrb\[^\n\]*\\n\[\t \]*add\[\t \]*sp" } } */ + +extern int doStreamReadBlock (int *, char *, int size, int); + +char readStream (int *s) +{ + char c = 0; + doStreamReadBlock (s, &c, 1, *s); + return c; +} |