https://gcc.gnu.org/ml/gcc-patches/2014-12/msg01730.html
On Sun, 2014-12-21 at 23:02 +0100, Oleg Endo wrote: > Hi, > > It seems that quite some callers of refers_to_regno_p are interested in > testing a single register number only. The caller code can be > simplified by adding an overload for refers_to_regno_p. This is what > the patch does. No functional changes. Tested with 'make all-gcc' on > sh-elf cross config and bootstrapped on i686-pc-linux-gnu. > OK for trunk? > > Cheers, > Oleg > > gcc/ChangeLog: > * rtlanal.c (refers_to_regno_p): Change return value from int to > bool. > * rtl.h (refers_to_regno_p): Add overload. > * cse.c: Use it. > * bt-load.c: Likewise. > * combine.c: Likewise. > * df-scan.c: Likewise. > * sched-deps.c: Likewise. > * config/s390/s390.c: Likewise. > * config/m32r/m32r.c: Likewise. > * config/rs6000/spe.md: Likewise. > * config/rs6000/rs6000.c: Likewise. > * config/pa/pa.c: Likewise. > * config/stormy16/stormy16.c: Likewise. > * config/cris/cris.c: Likewise. > * config/arc/arc.md: Likewise. > * config/arc/arc.c: Likewise. > * config/sh/sh.md: Likewise. > * config/sh/sh.c: Likewise. > * config/frv/frv.c: Likewise.
