On Sat, Sep 12, 2020 at 3:26 PM Marc Glisse <marc.glisse@xxxxxxxx> wrote: > > On Sat, 12 Sep 2020, William Tambe via Gcc-help wrote: > > > However it causes the compiler to generate a trap when address 0 is > > used; in the example below, I have a function that prints characters > > through the UART using address 0; but the resulting assembly generates > > a function that traps instead. > > Are you using -fno-delete-null-pointer-checks? Using -fno-delete-null-pointer-checks helps. Is there a way to make it permanent in the GCC source such that providing that option is not needed ? > > -- > Marc Glisse
