" add $0x10, %[len] \n"
" movdqu 0x0(%[strptr],%[len],1), %%xmm0 \n"
" pcmpestri $0x18, 0x0(%[matchptr],%[len],1), %%xmm0 \n"
+ " jc 2f \n"
+ " add $0x10, %[len] \n"
+ " movdqu 0x0(%[strptr],%[len],1), %%xmm0 \n"
+ " pcmpestri $0x18, 0x0(%[matchptr],%[len],1), %%xmm0 \n"
" jnc 1b \n"
"2: \n"
" add %%rcx, %[len] \n"