https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89310
luoxhu at gcc dot gnu.org changed:
What|Removed |Added
Status|ASSIGNED|RESOLVED
Resolution|-
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89310
--- Comment #9 from CVS Commits ---
The master branch has been updated by Xiong Hu Luo :
https://gcc.gnu.org/g:2ef4cf87a7c7f36c1fe523e4d71bbb4846ab0c35
commit r11-2245-g2ef4cf87a7c7f36c1fe523e4d71bbb4846ab0c35
Author: Xionghu Luo
Date: Mon J
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89310
--- Comment #7 from luoxhu at gcc dot gnu.org ---
(In reply to Segher Boessenkool from comment #6)
> rldicr is one of the insns generated by "*rotl3_mask", which
> recognises all canonical formulations of all our rotate-and-mask
> instructions.
Y
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89310
--- Comment #6 from Segher Boessenkool ---
rldicr is one of the insns generated by "*rotl3_mask", which
recognises all canonical formulations of all our rotate-and-mask
instructions.
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89310
--- Comment #5 from luoxhu at gcc dot gnu.org ---
Thanks. I copied the code from movsf_from_si to make a define_insn_and_split
for "movsf_from_si2", but we don't have define_insn for rldicr, so I use
gen_anddi3 instead, any comment?
foo:
.LFB0:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89310
--- Comment #4 from Segher Boessenkool ---
Maybe you can make a define_insn_and_split for the lshrdi3 plus this?
Which will split to an insn fewer immediately.
If you split after reload you need many extra patterns to get the most
basic optimisa
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89310
luoxhu at gcc dot gnu.org changed:
What|Removed |Added
CC||luoxhu at gcc dot gnu.org
---
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89310
Segher Boessenkool changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89310
--- Comment #1 from Peter Bergner ---
Before combine, we have the following rtl:
(insn # # # 2 (set (reg/v:DI 122 [ argD.2825 ])
(reg:DI 3 3 [ argD.2825 ])) "struct.i":8:1# {*movdi_internal64}
(expr_list:REG_DEAD (reg:DI 3 3 [ argD.
