rep_xcrypt "\n" \
" popl %%ebx" \
: "=a"(iv), "=c"(cnt), "=D"(out), "=S"(inp) \
- : "0"(cdata), "1"(cnt), "2"(out), "3"(inp) \
- : "edx", "cc"); \
+ : "0"(cdata), "1"(cnt), "2"(out), "3"(inp), "m"(*cdata) \
+ : "edx", "cc", "memory"); \
return iv; \
}