https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83465
--- Comment #2 from Yibiao Yang <yangyibiao at nju dot edu.cn> --- (In reply to Martin Liška from comment #1) > Here I admit it's confusing, but it's related how GCC emits variable > initiation for scalars and arrays with -O0: > > While for the scalar we do: > struct S * const ss; > ss = &g; > > movq $g, -8(%rbp) > > In case of the array we use default value in assembly: > > .type sa.1804, @object > .size sa.1804, 16 > sa.1804: > .quad g > .quad g Thanks very much for this detailed explanation.
