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| author | Revital Eres <eres@il.ibm.com> | 2007-05-06 10:35:42 +0000 |
|---|---|---|
| committer | Revital Eres <revitale@gcc.gnu.org> | 2007-05-06 10:35:42 +0000 |
| commit | 290358f770d21d9204ea621f839ee8fba606a275 (patch) | |
| tree | afc544361a73d639bfc241f109382f1c798f44ac /gcc/testsuite | |
| parent | 19df3b836e5cc081f75cb25cc6e64d6d293f0e19 (diff) | |
| download | gcc-290358f770d21d9204ea621f839ee8fba606a275.zip gcc-290358f770d21d9204ea621f839ee8fba606a275.tar.gz gcc-290358f770d21d9204ea621f839ee8fba606a275.tar.bz2 | |
Fix PR30957
From-SVN: r124471
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr30957-1.c | 30 |
2 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 2c6bc0a..bcec964 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2007-06-05 Revital Eres <eres@il.ibm.com> + + PR 30957 + * gcc.dg/pr30957-1.c: New test. + 2007-05-05 Jerry DeLisle <jvdelisle@gcc.gnu.org> PR fortran/31251 diff --git a/gcc/testsuite/gcc.dg/pr30957-1.c b/gcc/testsuite/gcc.dg/pr30957-1.c new file mode 100644 index 0000000..26d5de7 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr30957-1.c @@ -0,0 +1,30 @@ +/* { dg-do run { xfail vax-*-* powerpc-*-*spe } } */ +/* { dg-options "-O2 -funroll-loops -funsafe-math-optimizations -fvariable-expansion-in-unroller -dL" } */ + +extern void abort (void); +extern void exit (int); + +float +foo (float d, int n) +{ + unsigned i; + float accum = d; + + for (i = 0; i < n; i++) + accum += d; + + return accum; +} + +int +main () +{ + if (__builtin_copysignf (1.0, foo (0.0 / -5.0, 10)) != -1.0) + abort (); + exit (0); +} + +/* { dg-final { scan-rtl-dump "Expanding Accumulator" "loop2_unroll" } } */ +/* { dg-final { cleanup-rtl-dump "loop*" } } */ + + |