sorry if I was not clear, it did neither, with -O3 gcc 11.2 did either strlen+memcpy or strcpy, no transformation.
Den tis 1 feb. 2022 kl 14:08 skrev Cristian Rodríguez < crrodrig...@opensuse.org>: > On Tue, Feb 1, 2022 at 9:46 AM Henrik Holst > <henrik.ho...@millistream.com> wrote: > > > > Tried it quickly in the compiler explorer and gcc 11.2 did not detect > that it could convert it to a strcpy. > > I think you misunderstood me, gcc will not transform memcpy to > strcpy.. but strcpy, strcat, etc.. *to* the equivalent calls to memcpy > or stpcpy.. >
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