[llvm] r320581 - [X86] Add RDMSR/WRMSR, RDPMC + RDTSC/RDTSCP schedule tests

Simon Pilgrim via llvm-commits llvm-commits at lists.llvm.org
Wed Dec 13 06:22:04 PST 2017


Author: rksimon
Date: Wed Dec 13 06:22:04 2017
New Revision: 320581

URL: http://llvm.org/viewvc/llvm-project?rev=320581&view=rev
Log:
[X86] Add RDMSR/WRMSR, RDPMC + RDTSC/RDTSCP schedule tests

Add missing RDTSCP itinerary

Modified:
    llvm/trunk/lib/Target/X86/X86InstrSystem.td
    llvm/trunk/lib/Target/X86/X86Schedule.td
    llvm/trunk/lib/Target/X86/X86ScheduleAtom.td
    llvm/trunk/test/CodeGen/X86/schedule-x86_64.ll

Modified: llvm/trunk/lib/Target/X86/X86InstrSystem.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrSystem.td?rev=320581&r1=320580&r2=320581&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrSystem.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrSystem.td Wed Dec 13 06:22:04 2017
@@ -19,7 +19,8 @@ let Defs = [RAX, RDX] in
               TB;
 
 let Defs = [RAX, RCX, RDX] in
-  def RDTSCP : I<0x01, MRM_F9, (outs), (ins), "rdtscp", [(X86rdtscp)]>, TB;
+  def RDTSCP : I<0x01, MRM_F9, (outs), (ins), "rdtscp", [(X86rdtscp)],
+                 IIC_RDTSCP>, TB;
 
 // CPU flow control instructions
 

Modified: llvm/trunk/lib/Target/X86/X86Schedule.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86Schedule.td?rev=320581&r1=320580&r2=320581&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86Schedule.td (original)
+++ llvm/trunk/lib/Target/X86/X86Schedule.td Wed Dec 13 06:22:04 2017
@@ -508,6 +508,7 @@ def IIC_RDPID : InstrItinClass;
 def IIC_RDRAND : InstrItinClass;
 def IIC_RDSEED : InstrItinClass;
 def IIC_RDTSC : InstrItinClass;
+def IIC_RDTSCP : InstrItinClass;
 def IIC_RSM : InstrItinClass;
 def IIC_SIDT : InstrItinClass;
 def IIC_SGDT : InstrItinClass;

Modified: llvm/trunk/lib/Target/X86/X86ScheduleAtom.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ScheduleAtom.td?rev=320581&r1=320580&r2=320581&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ScheduleAtom.td (original)
+++ llvm/trunk/lib/Target/X86/X86ScheduleAtom.td Wed Dec 13 06:22:04 2017
@@ -409,6 +409,7 @@ def AtomItineraries : ProcessorItinerari
   InstrItinData<IIC_LXS,   [InstrStage<10, [Port0, Port1]>] >,
   InstrItinData<IIC_LTR,   [InstrStage<83, [Port0, Port1]>] >,
   InstrItinData<IIC_RDTSC, [InstrStage<30, [Port0, Port1]>] >,
+  InstrItinData<IIC_RDTSCP, [InstrStage<30, [Port0, Port1]>] >,
   InstrItinData<IIC_RSM,   [InstrStage<741, [Port0, Port1]>] >,
   InstrItinData<IIC_SIDT,  [InstrStage<4, [Port0, Port1]>] >,
   InstrItinData<IIC_SGDT,  [InstrStage<4, [Port0, Port1]>] >,

Modified: llvm/trunk/test/CodeGen/X86/schedule-x86_64.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/schedule-x86_64.ll?rev=320581&r1=320580&r2=320581&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/X86/schedule-x86_64.ll (original)
+++ llvm/trunk/test/CodeGen/X86/schedule-x86_64.ll Wed Dec 13 06:22:04 2017
@@ -9102,6 +9102,248 @@ define void @test_rcl_rcr_64(i64 %a0, i6
   ret void
 }
 
+define void @test_rdmsr_wrmsr() optsize {
+; GENERIC-LABEL: test_rdmsr_wrmsr:
+; GENERIC:       # %bb.0:
+; GENERIC-NEXT:    #APP
+; GENERIC-NEXT:    rdmsr # sched: [100:0.33]
+; GENERIC-NEXT:    wrmsr # sched: [100:0.33]
+; GENERIC-NEXT:    #NO_APP
+; GENERIC-NEXT:    retq # sched: [1:1.00]
+;
+; ATOM-LABEL: test_rdmsr_wrmsr:
+; ATOM:       # %bb.0:
+; ATOM-NEXT:    #APP
+; ATOM-NEXT:    rdmsr # sched: [78:39.00]
+; ATOM-NEXT:    wrmsr # sched: [202:101.00]
+; ATOM-NEXT:    #NO_APP
+; ATOM-NEXT:    retq # sched: [79:39.50]
+;
+; SLM-LABEL: test_rdmsr_wrmsr:
+; SLM:       # %bb.0:
+; SLM-NEXT:    #APP
+; SLM-NEXT:    rdmsr # sched: [100:1.00]
+; SLM-NEXT:    wrmsr # sched: [100:1.00]
+; SLM-NEXT:    #NO_APP
+; SLM-NEXT:    retq # sched: [4:1.00]
+;
+; SANDY-LABEL: test_rdmsr_wrmsr:
+; SANDY:       # %bb.0:
+; SANDY-NEXT:    #APP
+; SANDY-NEXT:    rdmsr # sched: [100:0.33]
+; SANDY-NEXT:    wrmsr # sched: [100:0.33]
+; SANDY-NEXT:    #NO_APP
+; SANDY-NEXT:    retq # sched: [1:1.00]
+;
+; HASWELL-LABEL: test_rdmsr_wrmsr:
+; HASWELL:       # %bb.0:
+; HASWELL-NEXT:    #APP
+; HASWELL-NEXT:    rdmsr # sched: [100:0.25]
+; HASWELL-NEXT:    wrmsr # sched: [100:0.25]
+; HASWELL-NEXT:    #NO_APP
+; HASWELL-NEXT:    retq # sched: [7:1.00]
+;
+; BROADWELL-LABEL: test_rdmsr_wrmsr:
+; BROADWELL:       # %bb.0:
+; BROADWELL-NEXT:    #APP
+; BROADWELL-NEXT:    rdmsr # sched: [100:0.25]
+; BROADWELL-NEXT:    wrmsr # sched: [100:0.25]
+; BROADWELL-NEXT:    #NO_APP
+; BROADWELL-NEXT:    retq # sched: [7:1.00]
+;
+; SKYLAKE-LABEL: test_rdmsr_wrmsr:
+; SKYLAKE:       # %bb.0:
+; SKYLAKE-NEXT:    #APP
+; SKYLAKE-NEXT:    rdmsr # sched: [100:0.25]
+; SKYLAKE-NEXT:    wrmsr # sched: [100:0.25]
+; SKYLAKE-NEXT:    #NO_APP
+; SKYLAKE-NEXT:    retq # sched: [7:1.00]
+;
+; SKX-LABEL: test_rdmsr_wrmsr:
+; SKX:       # %bb.0:
+; SKX-NEXT:    #APP
+; SKX-NEXT:    rdmsr # sched: [100:0.25]
+; SKX-NEXT:    wrmsr # sched: [100:0.25]
+; SKX-NEXT:    #NO_APP
+; SKX-NEXT:    retq # sched: [7:1.00]
+;
+; BTVER2-LABEL: test_rdmsr_wrmsr:
+; BTVER2:       # %bb.0:
+; BTVER2-NEXT:    #APP
+; BTVER2-NEXT:    rdmsr # sched: [100:0.17]
+; BTVER2-NEXT:    wrmsr # sched: [100:0.17]
+; BTVER2-NEXT:    #NO_APP
+; BTVER2-NEXT:    retq # sched: [4:1.00]
+;
+; ZNVER1-LABEL: test_rdmsr_wrmsr:
+; ZNVER1:       # %bb.0:
+; ZNVER1-NEXT:    #APP
+; ZNVER1-NEXT:    rdmsr # sched: [100:?]
+; ZNVER1-NEXT:    wrmsr # sched: [100:?]
+; ZNVER1-NEXT:    #NO_APP
+; ZNVER1-NEXT:    retq # sched: [1:0.50]
+  call void asm sideeffect "rdmsr \0A\09 wrmsr", ""()
+  ret void
+}
+
+define void @test_rdpmc() optsize {
+; GENERIC-LABEL: test_rdpmc:
+; GENERIC:       # %bb.0:
+; GENERIC-NEXT:    #APP
+; GENERIC-NEXT:    rdpmc # sched: [100:0.33]
+; GENERIC-NEXT:    #NO_APP
+; GENERIC-NEXT:    retq # sched: [1:1.00]
+;
+; ATOM-LABEL: test_rdpmc:
+; ATOM:       # %bb.0:
+; ATOM-NEXT:    #APP
+; ATOM-NEXT:    rdpmc # sched: [46:23.00]
+; ATOM-NEXT:    #NO_APP
+; ATOM-NEXT:    retq # sched: [79:39.50]
+;
+; SLM-LABEL: test_rdpmc:
+; SLM:       # %bb.0:
+; SLM-NEXT:    #APP
+; SLM-NEXT:    rdpmc # sched: [100:1.00]
+; SLM-NEXT:    #NO_APP
+; SLM-NEXT:    retq # sched: [4:1.00]
+;
+; SANDY-LABEL: test_rdpmc:
+; SANDY:       # %bb.0:
+; SANDY-NEXT:    #APP
+; SANDY-NEXT:    rdpmc # sched: [100:0.33]
+; SANDY-NEXT:    #NO_APP
+; SANDY-NEXT:    retq # sched: [1:1.00]
+;
+; HASWELL-LABEL: test_rdpmc:
+; HASWELL:       # %bb.0:
+; HASWELL-NEXT:    #APP
+; HASWELL-NEXT:    rdpmc # sched: [1:?]
+; HASWELL-NEXT:    #NO_APP
+; HASWELL-NEXT:    retq # sched: [7:1.00]
+;
+; BROADWELL-LABEL: test_rdpmc:
+; BROADWELL:       # %bb.0:
+; BROADWELL-NEXT:    #APP
+; BROADWELL-NEXT:    rdpmc # sched: [100:0.25]
+; BROADWELL-NEXT:    #NO_APP
+; BROADWELL-NEXT:    retq # sched: [7:1.00]
+;
+; SKYLAKE-LABEL: test_rdpmc:
+; SKYLAKE:       # %bb.0:
+; SKYLAKE-NEXT:    #APP
+; SKYLAKE-NEXT:    rdpmc # sched: [100:0.25]
+; SKYLAKE-NEXT:    #NO_APP
+; SKYLAKE-NEXT:    retq # sched: [7:1.00]
+;
+; SKX-LABEL: test_rdpmc:
+; SKX:       # %bb.0:
+; SKX-NEXT:    #APP
+; SKX-NEXT:    rdpmc # sched: [100:0.25]
+; SKX-NEXT:    #NO_APP
+; SKX-NEXT:    retq # sched: [7:1.00]
+;
+; BTVER2-LABEL: test_rdpmc:
+; BTVER2:       # %bb.0:
+; BTVER2-NEXT:    #APP
+; BTVER2-NEXT:    rdpmc # sched: [100:0.17]
+; BTVER2-NEXT:    #NO_APP
+; BTVER2-NEXT:    retq # sched: [4:1.00]
+;
+; ZNVER1-LABEL: test_rdpmc:
+; ZNVER1:       # %bb.0:
+; ZNVER1-NEXT:    #APP
+; ZNVER1-NEXT:    rdpmc # sched: [100:?]
+; ZNVER1-NEXT:    #NO_APP
+; ZNVER1-NEXT:    retq # sched: [1:0.50]
+  call void asm sideeffect "rdpmc", ""()
+  ret void
+}
+
+define void @test_rdtsc_rdtscp() optsize {
+; GENERIC-LABEL: test_rdtsc_rdtscp:
+; GENERIC:       # %bb.0:
+; GENERIC-NEXT:    #APP
+; GENERIC-NEXT:    rdtsc # sched: [100:0.33]
+; GENERIC-NEXT:    rdtscp # sched: [100:0.33]
+; GENERIC-NEXT:    #NO_APP
+; GENERIC-NEXT:    retq # sched: [1:1.00]
+;
+; ATOM-LABEL: test_rdtsc_rdtscp:
+; ATOM:       # %bb.0:
+; ATOM-NEXT:    #APP
+; ATOM-NEXT:    rdtsc # sched: [30:15.00]
+; ATOM-NEXT:    rdtscp # sched: [30:15.00]
+; ATOM-NEXT:    #NO_APP
+; ATOM-NEXT:    retq # sched: [79:39.50]
+;
+; SLM-LABEL: test_rdtsc_rdtscp:
+; SLM:       # %bb.0:
+; SLM-NEXT:    #APP
+; SLM-NEXT:    rdtsc # sched: [100:1.00]
+; SLM-NEXT:    rdtscp # sched: [100:1.00]
+; SLM-NEXT:    #NO_APP
+; SLM-NEXT:    retq # sched: [4:1.00]
+;
+; SANDY-LABEL: test_rdtsc_rdtscp:
+; SANDY:       # %bb.0:
+; SANDY-NEXT:    #APP
+; SANDY-NEXT:    rdtsc # sched: [100:0.33]
+; SANDY-NEXT:    rdtscp # sched: [100:0.33]
+; SANDY-NEXT:    #NO_APP
+; SANDY-NEXT:    retq # sched: [1:1.00]
+;
+; HASWELL-LABEL: test_rdtsc_rdtscp:
+; HASWELL:       # %bb.0:
+; HASWELL-NEXT:    #APP
+; HASWELL-NEXT:    rdtsc # sched: [18:2.00]
+; HASWELL-NEXT:    rdtscp # sched: [18:2.00]
+; HASWELL-NEXT:    #NO_APP
+; HASWELL-NEXT:    retq # sched: [7:1.00]
+;
+; BROADWELL-LABEL: test_rdtsc_rdtscp:
+; BROADWELL:       # %bb.0:
+; BROADWELL-NEXT:    #APP
+; BROADWELL-NEXT:    rdtsc # sched: [18:2.00]
+; BROADWELL-NEXT:    rdtscp # sched: [18:2.00]
+; BROADWELL-NEXT:    #NO_APP
+; BROADWELL-NEXT:    retq # sched: [7:1.00]
+;
+; SKYLAKE-LABEL: test_rdtsc_rdtscp:
+; SKYLAKE:       # %bb.0:
+; SKYLAKE-NEXT:    #APP
+; SKYLAKE-NEXT:    rdtsc # sched: [18:2.00]
+; SKYLAKE-NEXT:    rdtscp # sched: [18:2.00]
+; SKYLAKE-NEXT:    #NO_APP
+; SKYLAKE-NEXT:    retq # sched: [7:1.00]
+;
+; SKX-LABEL: test_rdtsc_rdtscp:
+; SKX:       # %bb.0:
+; SKX-NEXT:    #APP
+; SKX-NEXT:    rdtsc # sched: [18:2.00]
+; SKX-NEXT:    rdtscp # sched: [18:2.00]
+; SKX-NEXT:    #NO_APP
+; SKX-NEXT:    retq # sched: [7:1.00]
+;
+; BTVER2-LABEL: test_rdtsc_rdtscp:
+; BTVER2:       # %bb.0:
+; BTVER2-NEXT:    #APP
+; BTVER2-NEXT:    rdtsc # sched: [100:0.17]
+; BTVER2-NEXT:    rdtscp # sched: [100:0.17]
+; BTVER2-NEXT:    #NO_APP
+; BTVER2-NEXT:    retq # sched: [4:1.00]
+;
+; ZNVER1-LABEL: test_rdtsc_rdtscp:
+; ZNVER1:       # %bb.0:
+; ZNVER1-NEXT:    #APP
+; ZNVER1-NEXT:    rdtsc # sched: [100:?]
+; ZNVER1-NEXT:    rdtscp # sched: [100:?]
+; ZNVER1-NEXT:    #NO_APP
+; ZNVER1-NEXT:    retq # sched: [1:0.50]
+  call void asm sideeffect "rdtsc \0A\09 rdtscp", ""()
+  ret void
+}
+
 ; TODO - test_ret
 
 define void @test_rol_ror_8(i8 %a0, i8 %a1, i8 *%a2) optsize {




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