https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107167
--- Comment #4 from cqwrteur <unlvsur at live dot com> --- (In reply to Andrew Pinski from comment #1) > Plus your example might be slower due to dependencies. Dependency is only an issue to a certain degree. 1st one it has things like "movl %edi, %edx; rorl $11, %edx" which is also a flow dependency. CPU solves flow dependency to a very large degree with register forwarding. Write dependencies are also dealt with register renaming if we save registers, register renaming will also save time.
