From: Simon Pilgrim <llvm-dev@redking.me.uk>
Date: Sat, 21 Apr 2018 16:20:28 +0000 (+0000)
Subject: [X86][Haswell] Strip unnecessary WriteFAdd/WriteFHAdd instruction instrw overrides.
X-Git-Tag: llvmorg-7.0.0-rc1~7728
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=44278f65984613fb06b700fb27aa5d5951d977d9;p=platform%2Fupstream%2Fllvm.git

[X86][Haswell] Strip unnecessary WriteFAdd/WriteFHAdd instruction instrw overrides.

llvm-svn: 330514
---

diff --git a/llvm/lib/Target/X86/X86SchedHaswell.td b/llvm/lib/Target/X86/X86SchedHaswell.td
index 431d633..d91fe09 100644
--- a/llvm/lib/Target/X86/X86SchedHaswell.td
+++ b/llvm/lib/Target/X86/X86SchedHaswell.td
@@ -1582,19 +1582,9 @@ def: InstRW<[HWWriteResGroup50], (instregex "MMX_CVTPI2PSirr",
                                             "PEXT(32|64)rr",
                                             "SHLD(16|32|64)rri8",
                                             "SHRD(16|32|64)rri8",
-                                            "(V?)ADDPD(Y?)rr",
-                                            "(V?)ADDPS(Y?)rr",
-                                            "(V?)ADDSDrr",
-                                            "(V?)ADDSSrr",
-                                            "(V?)ADDSUBPD(Y?)rr",
-                                            "(V?)ADDSUBPS(Y?)rr",
                                             "(V?)CVTDQ2PS(Y?)rr",
                                             "(V?)CVTPS2DQ(Y?)rr",
-                                            "(V?)CVTTPS2DQ(Y?)rr",
-                                            "(V?)SUBPD(Y?)rr",
-                                            "(V?)SUBPS(Y?)rr",
-                                            "(V?)SUBSDrr",
-                                            "(V?)SUBSSrr")>;
+                                            "(V?)CVTTPS2DQ(Y?)rr")>;
 
 def HWWriteResGroup50_16i : SchedWriteRes<[HWPort1, HWPort0156]> {
   let Latency = 4;
@@ -2227,11 +2217,7 @@ def HWWriteResGroup93 : SchedWriteRes<[HWPort1,HWPort5]> {
   let NumMicroOps = 3;
   let ResourceCycles = [1,2];
 }
-def: InstRW<[HWWriteResGroup93], (instregex "(V?)CVTSI642SSrr",
-                                            "(V?)HADDPD(Y?)rr",
-                                            "(V?)HADDPS(Y?)rr",
-                                            "(V?)HSUBPD(Y?)rr",
-                                            "(V?)HSUBPS(Y?)rr")>;
+def: InstRW<[HWWriteResGroup93], (instregex "(V?)CVTSI642SSrr")>;
 
 def HWWriteResGroup94 : SchedWriteRes<[HWPort1,HWPort6,HWPort06]> {
   let Latency = 5;