diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/asm-hard-reg-error-2.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/asm-hard-reg-error-2.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/asm-hard-reg-error-2.c b/gcc/testsuite/gcc.dg/asm-hard-reg-error-2.c new file mode 100644 index 0000000..d0d5cfe --- /dev/null +++ b/gcc/testsuite/gcc.dg/asm-hard-reg-error-2.c @@ -0,0 +1,26 @@ +/* { dg-do compile { target { { aarch64*-*-* s390x-*-* } && int128 } } } */ +/* { dg-options "-O2" } get rid of -ansi since we use __int128 */ + +/* Test register pairs. */ + +#if defined (__aarch64__) +# define GPR1 "{x4}" +# define GPR2_RAW "x5" +#elif defined (__s390__) +# define GPR1 "{r4}" +# define GPR2_RAW "r5" +#endif + +#define GPR2 "{"GPR2_RAW"}" + +void +test (void) +{ + __asm__ ("" :: GPR1 ((__int128) 42)); + __asm__ ("" :: GPR2 ((__int128) 42)); /* { dg-error "register .* for operand 0 isn't suitable for data type" } */ + __asm__ ("" :: GPR1 ((__int128) 42), GPR2 (42)); /* { dg-error "multiple inputs to hard register" } */ + + __int128 x; + __asm__ ("" : "="GPR1 (x) :: GPR2_RAW); /* { dg-error "hard register constraint for output 0 conflicts with 'asm' clobber list" } */ + __asm__ ("" : "=r" (x) : GPR1 (x) : GPR2_RAW); /* { dg-error "hard register constraint for input 0 conflicts with 'asm' clobber list" } */ +} |