Richard Henderson writes:
> This "garbage" setting pre-dates the addition of the type
> changing opcodes INDEX_op_ext_i32_i64, INDEX_op_extu_i32_i64,
> and INDEX_op_extr{l,h}_i64_i32.
>
> So now we have a definitive points at which to adjust z_mask
> to eliminate such bits from the 32-bit opera
This "garbage" setting pre-dates the addition of the type
changing opcodes INDEX_op_ext_i32_i64, INDEX_op_extu_i32_i64,
and INDEX_op_extr{l,h}_i64_i32.
So now we have a definitive points at which to adjust z_mask
to eliminate such bits from the 32-bit operands.
Signed-off-by: Richard Henderson
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