diff options
Diffstat (limited to 'gcc/testsuite/gcc.target/i386/builtin-memmove-7.c')
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/builtin-memmove-7.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/builtin-memmove-7.c b/gcc/testsuite/gcc.target/i386/builtin-memmove-7.c new file mode 100644 index 0000000..6b4eca8 --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/builtin-memmove-7.c @@ -0,0 +1,43 @@ +/* { dg-do compile } */ +/* { dg-options "-O2 -mno-avx -msse2 -mtune=generic -minline-all-stringops" } */ +/* { dg-add-options check_function_bodies } */ +/* Keep labels and directives ('.cfi_startproc', '.cfi_endproc'). */ +/* { dg-final { check-function-bodies "**" "" "" { target { lp64 } } {^\t?\.} } } */ + +/* +**gcc_memmove: +**.LFB0: +** .cfi_startproc +** cmpq \$3, %rdx +** jbe .L7 +**.L1: +** ret +** .p2align 4,,10 +** .p2align 3 +**.L7: +** cmpl \$2, %edx +** jnb .L8 +** cmpl \$1, %edx +** jb .L1 +** movzbl \(%rsi\), %eax +** movb %al, \(%rdi\) +** ret +** .p2align 4,,10 +** .p2align 3 +**.L8: +** movl %edx, %edx +** movzwl \(%rsi\), %ecx +** movzwl -2\(%rsi,%rdx\), %eax +** movw %cx, \(%rdi\) +** movw %ax, -2\(%rdi,%rdx\) +** ret +** .cfi_endproc +**... +*/ + +void +gcc_memmove (void *a, void *b, __SIZE_TYPE__ n) +{ + if (n < 4) + __builtin_memmove (a, b, n); +} |