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| author | Tom de Vries <tdevries@suse.de> | 2018-07-01 15:54:48 +0000 |
|---|---|---|
| committer | Tom de Vries <vries@gcc.gnu.org> | 2018-07-01 15:54:48 +0000 |
| commit | 81d3b8f7029f8790211628e308a766783193a8ef (patch) | |
| tree | 9c3fda942443135729921b3b6139e44070f5af96 | |
| parent | c2e755187e40754b4e90b5791a62826633e31f05 (diff) | |
| download | gcc-81d3b8f7029f8790211628e308a766783193a8ef.zip gcc-81d3b8f7029f8790211628e308a766783193a8ef.tar.gz gcc-81d3b8f7029f8790211628e308a766783193a8ef.tar.bz2 | |
[testsuite/guality] Prevent optimization of local in vla-1.c
2018-07-01 Tom de Vries <tdevries@suse.de>
* gcc.dg/guality/prevent-optimization.h (VOLATILE): Define.
* gcc.dg/guality/vla-1.c (f1): Mark local vla a as VOLATILE.
From-SVN: r262287
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/guality/prevent-optimization.h | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/guality/vla-1.c | 4 |
3 files changed, 10 insertions, 1 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index d24b0b4..b8b00f5 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,5 +1,10 @@ 2018-07-01 Tom de Vries <tdevries@suse.de> + * gcc.dg/guality/prevent-optimization.h (VOLATILE): Define. + * gcc.dg/guality/vla-1.c (f1): Mark local vla a as VOLATILE. + +2018-07-01 Tom de Vries <tdevries@suse.de> + * lib/gcc-dg.exp (get-absolute-line): Handle '.'. * gcc.dg/guality/vla-1.c: Use relative line numbers. diff --git a/gcc/testsuite/gcc.dg/guality/prevent-optimization.h b/gcc/testsuite/gcc.dg/guality/prevent-optimization.h index 0ef84a3..57e945c 100644 --- a/gcc/testsuite/gcc.dg/guality/prevent-optimization.h +++ b/gcc/testsuite/gcc.dg/guality/prevent-optimization.h @@ -21,8 +21,10 @@ along with GCC; see the file COPYING3. If not see #ifdef PREVENT_OPTIMIZATION #define ATTRIBUTE_USED __attribute__((used)) +#define VOLATILE volatile #else #define ATTRIBUTE_USED +#define VOLATILE #endif #endif diff --git a/gcc/testsuite/gcc.dg/guality/vla-1.c b/gcc/testsuite/gcc.dg/guality/vla-1.c index 264b9f3..d281185 100644 --- a/gcc/testsuite/gcc.dg/guality/vla-1.c +++ b/gcc/testsuite/gcc.dg/guality/vla-1.c @@ -2,6 +2,8 @@ /* { dg-do run } */ /* { dg-options "-g" } */ +#include "prevent-optimization.h" + void __attribute__((noinline)) bar (short *p) { @@ -12,7 +14,7 @@ bar (short *p) int __attribute__((noinline)) f1 (int i) { - char a[i + 1]; + VOLATILE char a[i + 1]; a[0] = 5; /* { dg-final { gdb-test .+1 "i" "5" } } */ return a[0]; /* { dg-final { gdb-test . "sizeof (a)" "6" } } */ } |