llvm-project

Commit Graph

Author	SHA1	Message	Date
Simon Pilgrim	0be5567a89	[X86][SSE] Enable SMIN/SMAX/UMIN/UMAX custom lowering for all legal types This allows us to recognise more saturation patterns and also simplify some MINMAX codegen that was failing to combine CMPGE comparisons to a legal CMPGT. Differential Revision: https://reviews.llvm.org/D43014 llvm-svn: 324837	2018-02-11 10:52:37 +00:00
Simon Pilgrim	b781b2e24c	[X86][SSE] Add UMIN/UMAX combine test As discussed on D43014, we need the ability to flip UMIN/UMAX to (legal) SMIN/SMAX llvm-svn: 324826	2018-02-10 22:27:35 +00:00

Author

SHA1

Message

Date

Simon Pilgrim

0be5567a89

[X86][SSE] Enable SMIN/SMAX/UMIN/UMAX custom lowering for all legal types

This allows us to recognise more saturation patterns and also simplify some MINMAX codegen that was failing to combine CMPGE comparisons to a legal CMPGT.

Differential Revision: https://reviews.llvm.org/D43014

llvm-svn: 324837

2018-02-11 10:52:37 +00:00

Simon Pilgrim

b781b2e24c

[X86][SSE] Add UMIN/UMAX combine test

As discussed on D43014, we need the ability to flip UMIN/UMAX to (legal) SMIN/SMAX

llvm-svn: 324826

2018-02-10 22:27:35 +00:00

2 Commits