diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/memcpy-pr120683-2.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/memcpy-pr120683-2.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/memcpy-pr120683-2.c b/gcc/testsuite/gcc.target/i386/memcpy-pr120683-2.c new file mode 100644 index 0000000..0d0e348 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/memcpy-pr120683-2.c @@ -0,0 +1,41 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -march=x86-64 -fasynchronous-unwind-tables -fdwarf2-cfi-asm -mmemcpy-strategy=vector_loop:2048:noalign,libcall:-1:noalign" } */ +/* Keep labels and directives ('.cfi_startproc', '.cfi_endproc'). */ +/* { dg-final { check-function-bodies "**" "" "" { target lp64 } {^\t?\.} } } */ + +/* +**foo: +**.LFB[0-9]+: +** .cfi_startproc +** xorl %edx, %edx +**.L[0-9]+: +** movl %edx, %eax +** addl \$64, %edx +** movdqa src\(%rax\), %xmm3 +** movdqa src\+16\(%rax\), %xmm2 +** movdqa src\+32\(%rax\), %xmm1 +** movdqa src\+48\(%rax\), %xmm0 +** movaps %xmm3, dest\(%rax\) +** movaps %xmm2, dest\+16\(%rax\) +** movaps %xmm1, dest\+32\(%rax\) +** movaps %xmm0, dest\+48\(%rax\) +** cmpl \$256, %edx +** jb .L[0-9]+ +** movdqa src\(%rdx\), %xmm0 +** movaps %xmm0, dest\(%rdx\) +** ret +**... +*/ + +#define SIZE (16 + 1) * 16 + +char dest[SIZE]; +char src[SIZE]; + +void +foo (void) +{ + __builtin_memcpy (dest, src, SIZE); +} + +/* { dg-final { scan-assembler-not "rep mov" } } */ |