From 1f80c1a449b02a7c4c44bfb313aae46d3d68394a Mon Sep 17 00:00:00 2001 From: Simon Pilgrim Date: Tue, 22 Jan 2019 10:49:41 +0000 Subject: [PATCH] [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 --- lib/Target/X86/README-SSE.txt | 12 ------------ 1 file changed, 12 deletions(-) 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 -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. - -//===---------------------------------------------------------------------===// -- 2.50.1