[llvm] r328291 - [X86] Merge VMOVMSKBrr and MOVMSKBrr in the SNB sheduler model.

[Craig Topper via llvm-commits]

Author: ctopper
Date: Thu Mar 22 23:41:38 2018
New Revision: 328291

URL: http://llvm.org/viewvc/llvm-project?rev=328291&view=rev
Log:
[X86] Merge VMOVMSKBrr and MOVMSKBrr in the SNB sheduler model.

The VMOVMSKBrr was in a separate InstRW with a lower latency, but I assume they should be the same and the higher latency matches Agners table so I'm going with that.

Modified:
    llvm/trunk/lib/Target/X86/X86SchedSandyBridge.td
    llvm/trunk/test/CodeGen/X86/sse2-schedule.ll

Modified: llvm/trunk/lib/Target/X86/X86SchedSandyBridge.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86SchedSandyBridge.td?rev=328291&r1=328290&r2=328291&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86SchedSandyBridge.td (original)
+++ llvm/trunk/lib/Target/X86/X86SchedSandyBridge.td Thu Mar 22 23:41:38 2018
@@ -258,8 +258,7 @@ def SBWriteResGroup0 : SchedWriteRes<[SB
   let NumMicroOps = 1;
   let ResourceCycles = [1];
 }
-def: InstRW<[SBWriteResGroup0], (instregex "VPMOVMSKBrr",
-                                           "(V?)CVTSS2SDrr",
+def: InstRW<[SBWriteResGroup0], (instregex "(V?)CVTSS2SDrr",
                                            "(V?)PSLLDri",
                                            "(V?)PSLLQri",
                                            "(V?)PSLLWri",
@@ -551,7 +550,7 @@ def SBWriteResGroup7 : SchedWriteRes<[SB
   let NumMicroOps = 1;
   let ResourceCycles = [1];
 }
-def: InstRW<[SBWriteResGroup7], (instregex "PMOVMSKBrr",
+def: InstRW<[SBWriteResGroup7], (instregex "(V?)PMOVMSKBrr",
                                            "VMOVMSKPDYrr",
                                            "(V?)MOVMSKPDrr",
                                            "VMOVMSKPSYrr",

Modified: llvm/trunk/test/CodeGen/X86/sse2-schedule.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/sse2-schedule.ll?rev=328291&r1=328290&r2=328291&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/sse2-schedule.ll (original)
+++ llvm/trunk/test/CodeGen/X86/sse2-schedule.ll Thu Mar 22 23:41:38 2018
@@ -5987,7 +5987,7 @@ define i32 @test_pmovmskb(<16 x i8> %a0)
 ;
 ; SANDY-LABEL: test_pmovmskb:
 ; SANDY:       # %bb.0:
-; SANDY-NEXT:    vpmovmskb %xmm0, %eax # sched: [1:1.00]
+; SANDY-NEXT:    vpmovmskb %xmm0, %eax # sched: [2:1.00]
 ; SANDY-NEXT:    retq # sched: [1:1.00]
 ;
 ; HASWELL-LABEL: test_pmovmskb: