Alex Coplan <alex.cop...@arm.com> writes: > This adjusts aarch64_print_operand to recognize zero rtxes in modes other than > VOIDmode. This allows us to use xzr/wzr for zero vectors, for example. > > Bootstrapped/regtested as a series on aarch64-linux-gnu, OK for trunk? > > gcc/ChangeLog: > > * config/aarch64/aarch64.cc (aarch64_print_operand): Handle > non-VOIDmode CONST0_RTXes in {x,w}zr cases.
OK (and a good sign!) Thanks, Richard > --- > gcc/config/aarch64/aarch64.cc | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/gcc/config/aarch64/aarch64.cc b/gcc/config/aarch64/aarch64.cc > index 800a8b0e110..abd029887e5 100644 > --- a/gcc/config/aarch64/aarch64.cc > +++ b/gcc/config/aarch64/aarch64.cc > @@ -12387,7 +12387,7 @@ aarch64_print_operand (FILE *f, rtx x, int code) > > case 'w': > case 'x': > - if (x == const0_rtx > + if (x == CONST0_RTX (GET_MODE (x)) > || (CONST_DOUBLE_P (x) && aarch64_float_const_zero_rtx_p (x))) > { > asm_fprintf (f, "%czr", code);