This is now implemented.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@146258 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/README-SSE.txt b/lib/Target/X86/README-SSE.txt
index 7d901af..a581993 100644 (file)
--- a/lib/Target/X86/README-SSE.txt
+++ b/lib/Target/X86/README-SSE.txt
@@ -922,16 +922,3 @@ _test2:                                 ## @test2
 The insertps's of $0 are pointless complex copies.
 
 //===---------------------------------------------------------------------===//
-
-If SSE4.1 is available we should inline rounding functions instead of emitting
-a libcall.
-
-floor: roundsd $0x01, %xmm, %xmm
-ceil:  roundsd $0x02, %xmm, %xmm
-
-and likewise for the single precision versions.
-
-Currently, SelectionDAGBuilder doesn't turn calls to these functions into the
-corresponding nodes and some targets (including X86) aren't ready for them.
-
-//===---------------------------------------------------------------------===//