On Tue, 8 Feb 2022 at 07:17, Richard Henderson <richard.hender...@linaro.org> wrote: > > When BH is constant, it is constrained to 10 bits for use in MOVCC.
Where does this happen? I assumed it was going to be done
by the constraint encodings, but tcg_out_addsub2_i64()
is called for the add2_i64 and sub2_i64 ops, which get
return C_O2_I4(r, r, rZ, rZ, rJ, rJ);
and constraint J is
CONST('J', TCG_CT_CONST_S13).
(and indeed there is no "constrain to 10 bits" letter).
thanks
-- PMM
