From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Tue, 22 Jan 2019 10:49:41 +0000 (+0000)
Subject: [X86] HADDPS/HADDPD scalar lowering was added at rL350421
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1f80c1a449b02a7c4c44bfb313aae46d3d68394a;p=llvm

[X86] HADDPS/HADDPD scalar lowering was added at rL350421

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@351797 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/README-SSE.txt b/lib/Target/X86/README-SSE.txt
index 190ca861967..d52840e5c48 100644
--- a/lib/Target/X86/README-SSE.txt
+++ b/lib/Target/X86/README-SSE.txt
@@ -827,15 +827,3 @@ and inversion with an rsqrtss instruction, which computes 1/sqrt faster at the
 cost of reduced accuracy.
 
 //===---------------------------------------------------------------------===//
-
-This function should be matched to haddpd when the appropriate CPU is enabled:
-
-#include <x86intrin.h>
-double f (__m128d p) {
-  return p[0] + p[1];
-}
-
-similarly, v[0]-v[1] should match to hsubpd, and {v[0]-v[1], w[0]-w[1]} should
-turn into hsubpd also.
-
-//===---------------------------------------------------------------------===//