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| author | Dominik Vogt <vogt@linux.vnet.ibm.com> | 2016-02-19 10:15:43 +0000 |
|---|---|---|
| committer | Andreas Krebbel <krebbel@gcc.gnu.org> | 2016-02-19 10:15:43 +0000 |
| commit | ca2bfbc2caf3c7d1b1bb64108730cc2b77401137 (patch) | |
| tree | 5bb9af11cb6334de5b7a59bee34cba937fd2a9bd /gcc | |
| parent | 7082a7621aff206af0073cc44a5991b5c221e2d0 (diff) | |
| download | gcc-ca2bfbc2caf3c7d1b1bb64108730cc2b77401137.zip gcc-ca2bfbc2caf3c7d1b1bb64108730cc2b77401137.tar.gz gcc-ca2bfbc2caf3c7d1b1bb64108730cc2b77401137.tar.bz2 | |
S/390: PR 69625: Add test case
gcc/testsuite/ChangeLog
PR target/69625
* gcc.target/s390/pr69625.c: Add test case.
From-SVN: r233546
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/s390/pr69625.c | 37 |
2 files changed, 42 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index b11b838..dd2ea70 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2016-02-19 Dominik Vogt <vogt@linux.vnet.ibm.com> + + PR target/69625 + * gcc.target/s390/pr69625.c: Add test case. + 2016-02-18 Bernd Edlinger <bernd.edlinger@hotmail.de> PR testsuite/68580 diff --git a/gcc/testsuite/gcc.target/s390/pr69625.c b/gcc/testsuite/gcc.target/s390/pr69625.c new file mode 100644 index 0000000..f717183 --- /dev/null +++ b/gcc/testsuite/gcc.target/s390/pr69625.c @@ -0,0 +1,37 @@ +/* Test for PR 69625; make sure that a leaf vararg function does not overwrite + the caller's r6. */ +/* { dg-do run } */ +/* { dg-options "-O2" } */ + +extern void abort (void); + +__attribute__ ((noinline)) +int +foo (int x, ...) +{ + __builtin_va_list vl; + int i; + + __asm__ __volatile__ ("lhi %%r6,1" : : : "r6"); + __builtin_va_start(vl, x); + for (i = 2; i <= 6; i++) + x += __builtin_va_arg(vl, int); + __builtin_va_end (vl); + + return x; +} + +__attribute__ ((noinline)) +void +bar (int r2, int r3, int r4, int r5, int r6) +{ + foo (r2, r3, r4, r5, r6); + if (r6 != 6) + abort (); +} + +int +main (void) +{ + bar (2, 3, 4, 5, 6); +} |