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| author | Andrew Hsieh <andrewhsieh@google.com> | 2014-09-03 15:56:31 +0000 |
|---|---|---|
| committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2014-09-03 15:56:31 +0000 |
| commit | 4254ad78d813b8c4cfc6c07218aee6b1be554f23 (patch) | |
| tree | 8e9350d7e0339c5c7da9499ab5742527e21520c6 /gcc-4.9/gcc/testsuite/gcc.target/i386/pr61923.c | |
| parent | 9bba04175106d9b9e8a58715e3e7fa560c13e092 (diff) | |
| parent | e97c99f15937e5762a973b25192aab824126a6d3 (diff) | |
| download | toolchain_gcc-4254ad78d813b8c4cfc6c07218aee6b1be554f23.tar.gz toolchain_gcc-4254ad78d813b8c4cfc6c07218aee6b1be554f23.tar.bz2 toolchain_gcc-4254ad78d813b8c4cfc6c07218aee6b1be554f23.zip | |
Merge "[gcc-4.9] Merge svn r214745 from google/gcc-4_9 branch. Merge gcc-4_9 source r214745 from google/gcc-4_9 branch."
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.target/i386/pr61923.c')
| -rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.target/i386/pr61923.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/pr61923.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr61923.c new file mode 100644 index 000000000..458158cc6 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/pr61923.c @@ -0,0 +1,36 @@ +/* PR debug/61923 */ +/* { dg-do compile } */ +/* { dg-options "-O2 -fcompare-debug" } */ + +typedef struct +{ + struct + { + struct + { + char head; + } tickets; + }; +} arch_spinlock_t; +struct ext4_map_blocks +{ + int m_lblk; + int m_len; + int m_flags; +}; +int ext4_da_map_blocks_ei_0; +void fn1 (int p1, struct ext4_map_blocks *p2) +{ + int ret; + if (p2->m_flags) + { + ext4_da_map_blocks_ei_0++; + arch_spinlock_t *lock; + switch (sizeof *&lock->tickets.head) + case 1: + asm("" : "+m"(*&lock->tickets.head) : ""(0)); + __asm__(""); + ret = 0; + } + fn2 (p2->m_lblk, p2->m_len); +} |