On Tue, 2015-01-06 at 13:13 +0100, Christian Bruel wrote: > > Please use 'gen_cmpeqsi_t (len, const0_rtx)' for comparing a value > > against zero instead of the bit test insn. > > OK, also then OK to replace the other occurrences of the idiom for > coding consistency ? (not sure if I could commit this as obvious ?).
In the end the same "tst reg,reg" instruction will be generated, but with one reg operand instead of two. It might have some impact on the register allocation in some cases. If it passes testing, it's OK I think. Cheers, Oleg
