diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/arm/unaligned-memcpy-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/arm/unaligned-memcpy-2.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/gcc/testsuite/gcc.target/arm/unaligned-memcpy-2.c b/gcc/testsuite/gcc.target/arm/unaligned-memcpy-2.c index 1ad730d..0da0bcd 100644 --- a/gcc/testsuite/gcc.target/arm/unaligned-memcpy-2.c +++ b/gcc/testsuite/gcc.target/arm/unaligned-memcpy-2.c @@ -1,24 +1,27 @@ -/* { dg-do compile } */ -/* { dg-require-effective-target arm_unaligned } */ -/* { dg-options "-O2" } */ +/* { dg-do run } */ +/* { dg-options "-O2 -save-temps" } */ #include <string.h> -char dest[16] = { 0 }; +char dest[16] __attribute__((aligned(8))) = { 0 } ; +char input[17] __attribute__ ((aligned(8))) = "abcdefghijklmnop"; -void aligned_dest (char *src) +void __attribute__ ((noinline,noclone)) aligned_dest (char *src) { memcpy (dest, src, 15); } -/* Expect a multi-word store for the main part of the copy, but subword - loads/stores for the remainder. */ +int main () +{ + int i; + aligned_dest (input+1); + for (i = 0; i < 15; i++) + if (dest[i] != input[i+1]) + __builtin_abort (); + if (dest[15] != 0) + __builtin_abort (); + return 0; +} -/* { dg-final { scan-assembler-times "ldmia" 0 } } */ -/* { dg-final { scan-assembler-times "ldrd" 0 } } */ -/* { dg-final { scan-assembler-times "stmia" 1 { target { ! { arm_prefer_ldrd_strd } } } } } */ -/* { dg-final { scan-assembler-times "strd" 1 { target { arm_prefer_ldrd_strd } } } } */ -/* { dg-final { scan-assembler-times "ldrh" 1 } } */ -/* { dg-final { scan-assembler-times "strh" 1 } } */ -/* { dg-final { scan-assembler-times "ldrb" 1 } } */ -/* { dg-final { scan-assembler-times "strb" 1 } } */ +/* Check that we don't use any instructions that assume an aligned source. */ +/* { dg-final { scan-assembler-not {(ldm(ia)?\tr[0-9]|ldrd\t.*\[r[0-9]|vldr)} } } */ |