subject:"\[PATCH 2\/4\] arc\: Improve code gen for 64bit add\/sub operations."

Re: [PATCH 2/4] arc: Improve code gen for 64bit add/sub operations.

2020-02-28 Thread Jeff Law

On Wed, 2020-02-26 at 16:59 +0200, Claudiu Zissulescu wrote: > Early expand ADDDI3 and SUBDI3 for better code gen. > > gcc/ > -xx-xx Claudiu Zissulescu > > * config/arc/arc.md (adddi3): Early expand the 64bit operation into > 32bit ops. > (subdi3): Likewise. > (addd

[PATCH 2/4] arc: Improve code gen for 64bit add/sub operations.

2020-02-26 Thread Claudiu Zissulescu

Early expand ADDDI3 and SUBDI3 for better code gen. gcc/ -xx-xx Claudiu Zissulescu * config/arc/arc.md (adddi3): Early expand the 64bit operation into 32bit ops. (subdi3): Likewise. (adddi3_i): Remove pattern. (subdi3_i): Likewise. --- gcc/config/ar