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Diffstat (limited to 'gcc/testsuite/gcc.dg/pr17055-1.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/pr17055-1.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr17055-1.c b/gcc/testsuite/gcc.dg/pr17055-1.c new file mode 100644 index 000000000..faac48bc3 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr17055-1.c @@ -0,0 +1,25 @@ +/* PR middle-end/17055. */ +/* { dg-do compile } */ +/* { dg-options "-O2 -ffast-math" } */ +/* { dg-options "-O2 -ffast-math -fno-common" { target hppa*-*-hpux* } } */ + +/* This test used to abort, beacuse we do an "integer" fold to zero, i.e. + x - x = (T)0 where T is the type of x. Unfortunately, fold_convert + was unable to convert integer_zero_node to the appropriate vector type. */ + +typedef float v4sf __attribute__((vector_size(16))); +typedef int v4si __attribute__((vector_size(16))); + +v4sf ivf, ovf; +v4si ivi, ovi; + +void testf (void) +{ + ovf = ivf - ivf; +} + +void testi (void) +{ + ovi = ivi - ivi; +} + |