diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/memset-strategy-25.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/memset-strategy-25.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/memset-strategy-25.c b/gcc/testsuite/gcc.target/i386/memset-strategy-25.c new file mode 100644 index 0000000..7bd5d43 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/memset-strategy-25.c @@ -0,0 +1,34 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -mtune=generic -mno-sse -fasynchronous-unwind-tables -fdwarf2-cfi-asm" } */ +/* Keep labels and directives ('.cfi_startproc', '.cfi_endproc'). */ +/* { dg-final { check-function-bodies "**" "" "" { target lp64 } {^\t?\.} } } */ + +/* +**foo: +**.LFB[0-9]+: +** .cfi_startproc +** movq \$0, 221\(%rdi\) +** xorl %eax, %eax +** movq \$0, 229\(%rdi\) +** movq \$0, 237\(%rdi\) +** movq \$0, 245\(%rdi\) +**.L[0-9]+: +** movl %eax, %edx +** addl \$32, %eax +** movq \$0, \(%rdi,%rdx\) +** movq \$0, 8\(%rdi,%rdx\) +** movq \$0, 16\(%rdi,%rdx\) +** movq \$0, 24\(%rdi,%rdx\) +** cmpl \$224, %eax +** jb .L[0-9]+ +** ret +**... +*/ + +void +foo (char *dest) +{ + __builtin_memset (dest, 0, 253); +} + +/* { dg-final { scan-assembler-not "rep stos" } } */ |