https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120903
andreser-gccbugs at mit dot edu changed:
What |Removed |Added
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CC| |andreser-gccbugs at mit dot edu
--- Comment #6 from andreser-gccbugs at mit dot edu ---
The use case we minimized this test case from has the pointer a distinct from
&r. Here is a new minimized version: https://godbolt.org/z/MqjKTc18M
int main() {
uint32_t r = 1, a = 0;
funny_memcpy(&r, &a, sizeof(r));
return r;
}
GCC still emits 6 instructions of overlap test.
