diff options
| author | Teresa Johnson <tejohnson@google.com> | 2013-05-06 12:46:53 +0000 |
|---|---|---|
| committer | Teresa Johnson <tejohnson@gcc.gnu.org> | 2013-05-06 12:46:53 +0000 |
| commit | 6a927313920b04c44f33ac8f784103236a324ef0 (patch) | |
| tree | a4a995bbb228d94b70d7d3e82aa65bd6c31ed839 /gcc | |
| parent | 0107dca2adf82db79c54d6da9707035533d474d6 (diff) | |
| download | gcc-6a927313920b04c44f33ac8f784103236a324ef0.zip gcc-6a927313920b04c44f33ac8f784103236a324ef0.tar.gz gcc-6a927313920b04c44f33ac8f784103236a324ef0.tar.bz2 | |
re PR bootstrap/57154 (Bootstrap broken for powerpc64-unknown-linux-gnu)
2013-05-03 Teresa Johnson <tejohnson@google.com>
PR bootstrap/57154
* gcc.dg/pr57154.c: New test.
From-SVN: r198626
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr57154.c | 43 |
2 files changed, 48 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index b4e0479..26cc566 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2013-05-03 Teresa Johnson <tejohnson@google.com> + + PR bootstrap/57154 + * gcc.dg/pr57154.c: New test. + 2013-05-06 Richard Biener <rguenther@suse.de> PR middle-end/57147 diff --git a/gcc/testsuite/gcc.dg/pr57154.c b/gcc/testsuite/gcc.dg/pr57154.c new file mode 100644 index 0000000..5a6531a --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr57154.c @@ -0,0 +1,43 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fschedule-insns" } */ + +#define PF_FROZEN 0x00010000 +#define likely(x) __builtin_expect(!!(x), 1) + +struct cur +{ + unsigned long flags; +}; +struct cur *cur; + +unsigned long freeze_cnt; + +extern int foo(void *); +extern int slow_path(void *); + +static inline int freezing(void *p) +{ + if (likely(!foo(&freeze_cnt))) + return 0; + return slow_path(p); +} + +extern int blah(void); + +int testcase(int check_kthr_stop) +{ + int was_frozen = 0; + + for (;;) { + if (!freezing(cur) || + (check_kthr_stop && blah())) + cur->flags &= ~PF_FROZEN; + + if (!(cur->flags & PF_FROZEN)) + break; + + was_frozen = 1; + } + + return was_frozen; +} |