llvm-project

Commit Graph

Author	SHA1	Message	Date
Aaron Watry	8548725f29	Add rhadd builtin rhadd = (x+y+1)>>1 Implemented as: (x>>1) + (y>>1) + ((x&1)\|(y&1)) This prevents us having to do assembly addition and overflow detection Reviewed-by: Tom Stellard <thomas.stellard@amd.com> llvm-svn: 188477	2013-08-15 19:21:10 +00:00

Author

SHA1

Message

Date

Aaron Watry

8548725f29

Add rhadd builtin

rhadd = (x+y+1)>>1

Implemented as:
(x>>1) + (y>>1) + ((x&1)|(y&1))

This prevents us having to do assembly addition and overflow detection

Reviewed-by: Tom Stellard <thomas.stellard@amd.com>
llvm-svn: 188477

2013-08-15 19:21:10 +00:00

1 Commits