[Bug target/50749] SH Target: Post-increment addressing used only for first memory access

[oleg.e...@t-online.de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50749

--- Comment #3 from Oleg Endo <oleg.e...@t-online.de> 2011-10-19 00:00:01 UTC 
---
Kaz,

do you happen to know why the following is defined in sh.h?

#define USE_LOAD_POST_INCREMENT(mode)    ((mode == SImode || mode == DImode) \
                                           ? 0 : TARGET_SH1)

#define USE_STORE_PRE_DECREMENT(mode)    ((mode == SImode || mode == DImode) \
                                           ? 0 : TARGET_SH1)

Is there any (historical) reason to disable post-inc / pre-dec addressing
for SImode / DImode?

Thanks,
Oleg