From db1dbbe8d6cfa04f360088b770583f5a63fe3b80 Mon Sep 17 00:00:00 2001 From: Evan Cheng Date: Fri, 17 Feb 2006 00:00:58 +0000 Subject: [PATCH] Remove the entry about using movapd for SSE reg-reg moves. llvm-svn: 26245 --- llvm/lib/Target/X86/README.txt | 6 ------ 1 file changed, 6 deletions(-) diff --git a/llvm/lib/Target/X86/README.txt b/llvm/lib/Target/X86/README.txt index 50d87bc173a2..b794176fa537 100644 --- a/llvm/lib/Target/X86/README.txt +++ b/llvm/lib/Target/X86/README.txt @@ -356,12 +356,6 @@ This may just be a matter of using 'test' to write bigger patterns for X86cmp. //===---------------------------------------------------------------------===// -Evaluate whether using movapd for SSE reg-reg moves is faster than using -movsd/movss for them. It may eliminate false partial register dependences by -writing the whole result register. - -//===---------------------------------------------------------------------===// - SSE should implement 'select_cc' using 'emulated conditional moves' that use pcmp/pand/pandn/por to do a selection instead of a conditional branch: