diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/mips/dse-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/mips/dse-1.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/mips/dse-1.c b/gcc/testsuite/gcc.target/mips/dse-1.c new file mode 100644 index 000000000..6ef55cde2 --- /dev/null +++ b/gcc/testsuite/gcc.target/mips/dse-1.c @@ -0,0 +1,47 @@ +/* { dg-do compile } */ +/* { dg-options "-mgp64 -O" } */ + +#define TEST(ID, TYPE1, TYPE2) \ + union u##ID { \ + TYPE1 m1[sizeof (TYPE2) / sizeof (TYPE1)]; \ + TYPE2 m2; \ + }; \ + \ + /* The MIPS16 versions of the shifts we need are too \ + expensive. */ \ + TYPE1 __attribute__((nomips16)) \ + f##ID (TYPE2 x, union u##ID *u) \ + { \ + u->m2 = x; \ + return (u->m1[0] \ + + u->m1[sizeof (TYPE2) / sizeof (TYPE1) - 1]); \ + } \ + \ + TYPE1 __attribute__((nomips16)) \ + g##ID (union u##ID *u) \ + { \ + u->m2 = 0; \ + return (u->m1[0] | u->m1[1]); \ + } + +TEST (1, unsigned int, unsigned long long); +TEST (2, int, long long); +TEST (3, unsigned short, unsigned long long); +TEST (4, short, long long); +TEST (5, unsigned char, unsigned long long); +TEST (6, signed char, long long); + +TEST (7, unsigned short, unsigned int); +TEST (8, short, int); +TEST (9, unsigned char, unsigned int); +TEST (10, signed char, int); + +TEST (11, unsigned char, unsigned short); +TEST (12, signed char, short); + +/* { dg-final { scan-assembler-not "\tlh\t" } } */ +/* { dg-final { scan-assembler-not "\tlhu\t" } } */ +/* { dg-final { scan-assembler-not "\tlw\t" } } */ +/* { dg-final { scan-assembler-not "\tlwu\t" } } */ +/* { dg-final { scan-assembler-not "\tlb\t" } } */ +/* { dg-final { scan-assembler-not "\tlbu\t" } } */ |