diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/memcpy-pr120683-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/memcpy-pr120683-1.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/memcpy-pr120683-1.c b/gcc/testsuite/gcc.target/i386/memcpy-pr120683-1.c new file mode 100644 index 0000000..b1f6678 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/memcpy-pr120683-1.c @@ -0,0 +1,42 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -fasynchronous-unwind-tables -fdwarf2-cfi-asm -mno-sse -mmemcpy-strategy=unrolled_loop:256: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 +** movq 221\(%rsi\), %rax +** xorl %edx, %edx +** movq %rax, 221\(%rdi\) +** movq 229\(%rsi\), %rax +** movq %rax, 229\(%rdi\) +** movq 237\(%rsi\), %rax +** movq %rax, 237\(%rdi\) +** movq 245\(%rsi\), %rax +** movq %rax, 245\(%rdi\) +**.L[0-9]+: +** movl %edx, %eax +** addl \$32, %edx +** movq \(%rsi,%rax\), %r10 +** movq 8\(%rsi,%rax\), %r9 +** movq 16\(%rsi,%rax\), %r8 +** movq 24\(%rsi,%rax\), %rcx +** movq %r10, \(%rdi,%rax\) +** movq %r9, 8\(%rdi,%rax\) +** movq %r8, 16\(%rdi,%rax\) +** movq %rcx, 24\(%rdi,%rax\) +** cmpl \$224, %edx +** jb .L[0-9]+ +** ret +**... +*/ + +void +foo (char *dest, char *src) +{ + __builtin_memcpy (dest, src, 253); +} + +/* { dg-final { scan-assembler-not "rep mov" } } */ |