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| author | Roger Sayle <sayle@gcc.gnu.org> | 2005-02-28 17:21:20 +0000 |
|---|---|---|
| committer | Roger Sayle <sayle@gcc.gnu.org> | 2005-02-28 17:21:20 +0000 |
| commit | 4f380bf8157fbdbd61f8c385920b2f9ee43bdd60 (patch) | |
| tree | 5bd6914eeae41f162eb223a6dcffc4ac7a49e58d /gcc/testsuite | |
| parent | dd1f53fbd778afa7c02785302ec62ec30dd2b687 (diff) | |
| download | gcc-4f380bf8157fbdbd61f8c385920b2f9ee43bdd60.zip gcc-4f380bf8157fbdbd61f8c385920b2f9ee43bdd60.tar.gz gcc-4f380bf8157fbdbd61f8c385920b2f9ee43bdd60.tar.bz2 | |
re PR middle-end/19874 (ICE in emit_move_insn with __attribute__((mode (QI))) enum)
PR middle-end/19874
* tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
between different machine modes is never a "useless" conversion.
* gcc.c-torture/execute/20050119-2.c: New test case.
From-SVN: r95688
Diffstat (limited to 'gcc/testsuite')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/20050119-2.c | 40 |
2 files changed, 45 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index fdac060..9ed60b0 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2005-02-28 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/19874 + * gcc.c-torture/execute/20050119-2.c: New test case. + 2005-02-28 Ben Elliston <bje@au.ibm.com> * README: Update the DejaGnu bug reporting address. diff --git a/gcc/testsuite/gcc.c-torture/execute/20050119-2.c b/gcc/testsuite/gcc.c-torture/execute/20050119-2.c new file mode 100644 index 0000000..568109c --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/20050119-2.c @@ -0,0 +1,40 @@ +/* PR middle-end/19874 */ +typedef enum { A, B, C, D } E; + +struct S { + E __attribute__ ((mode (__byte__))) a; + E __attribute__ ((mode (__byte__))) b; + E __attribute__ ((mode (__byte__))) c; + E __attribute__ ((mode (__byte__))) d; +}; + +extern void abort (void); +extern void exit (int); + +E +foo (struct S *s) +{ + if (s->a != s->b) + abort (); + if (s->c != C) + abort (); + return s->d; +} + +int +main (void) +{ + struct S s[2]; + s[0].a = B; + s[0].b = B; + s[0].c = C; + s[0].d = D; + s[1].a = D; + s[1].b = C; + s[1].c = B; + s[1].d = A; + if (foo (s) != D) + abort (); + exit (0); +} + |