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| author | Andre Vieira <andre.simoesdiasvieira@arm.com> | 2015-12-08 10:01:45 +0000 |
|---|---|---|
| committer | Thomas Preud'homme <thopre01@gcc.gnu.org> | 2015-12-08 10:01:45 +0000 |
| commit | ceeb21ef31825ce5f7fca47797e2c724f406c444 (patch) | |
| tree | 443318d3f76e52f67ff301ab8d5e0a2c6710b7ee /gcc | |
| parent | 5b688993056d4aefe23171f2a4760293999c8e42 (diff) | |
| download | gcc-ceeb21ef31825ce5f7fca47797e2c724f406c444.zip gcc-ceeb21ef31825ce5f7fca47797e2c724f406c444.tar.gz gcc-ceeb21ef31825ce5f7fca47797e2c724f406c444.tar.bz2 | |
builtin-return-1.c: Add an inline assembly read to make sure dummy is not optimized away by LTO.
2015-12-08 Andre Vieira <andre.simoesdiasvieira@arm.com>
Joern Rennecke <joern.rennecke@embecosm.com>
gcc/testsuite/
* gcc.dg/torture/stackalign/builtin-return-1.c: Add an
inline assembly read to make sure dummy is not optimized
away by LTO.
Co-Authored-By: Joern Rennecke <joern.rennecke@embecosm.com>
From-SVN: r231401
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/torture/stackalign/builtin-return-1.c | 4 |
2 files changed, 8 insertions, 3 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 5e95e2a..b84899f 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,10 @@ +2015-12-08 Andre Vieira <andre.simoesdiasvieira@arm.com> + Joern Rennecke <joern.rennecke@embecosm.com> + + * gcc.dg/torture/stackalign/builtin-return-1.c: Add an + inline assembly read to make sure dummy is not optimized + away by LTO. + 2015-12-08 Ilya Enkovich <enkovich.gnu@gmail.com> PR tree-optimization/68766 diff --git a/gcc/testsuite/gcc.dg/torture/stackalign/builtin-return-1.c b/gcc/testsuite/gcc.dg/torture/stackalign/builtin-return-1.c index af01753..ec4fd8a 100644 --- a/gcc/testsuite/gcc.dg/torture/stackalign/builtin-return-1.c +++ b/gcc/testsuite/gcc.dg/torture/stackalign/builtin-return-1.c @@ -26,15 +26,13 @@ int bar(int n) STACK_ARGUMENTS_SIZE)); } -char *g; - int main(void) { /* Allocate 64 bytes on the stack to make sure that __builtin_apply can read at least 64 bytes above the return address. */ char dummy[64]; - g = dummy; + __asm__ ("" : : "" (dummy)); if (bar(1) != 2) abort(); |