diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/vect/pr110381.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/vect/pr110381.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vect/pr110381.c b/gcc/testsuite/gcc.dg/vect/pr110381.c new file mode 100644 index 0000000..2313dbf --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/pr110381.c @@ -0,0 +1,40 @@ +/* { dg-do run } */ + +struct FOO { + double a; + double b; + double c; +}; + +double __attribute__((noipa)) +sum_8_foos(const struct FOO* foos) +{ + double sum = 0; + + for (int i = 0; i < 8; ++i) + { + struct FOO foo = foos[i]; + + /* Need to use an in-order reduction here, preserving + the load permutation. */ + sum += foo.a; + sum += foo.c; + sum += foo.b; + } + + return sum; +} + +int main() +{ + struct FOO foos[8]; + + __builtin_memset (foos, 0, sizeof (foos)); + foos[0].a = __DBL_MAX__; + foos[0].b = 5; + foos[0].c = -__DBL_MAX__; + + if (sum_8_foos (foos) != 5) + __builtin_abort (); + return 0; +} |