[llvm] r330428 - [X86][BtVer2] Cleanup some old FIXMEs from the model. NFCI.

[Simon Pilgrim via llvm-commits]

Author: rksimon
Date: Fri Apr 20 06:12:04 2018
New Revision: 330428

URL: http://llvm.org/viewvc/llvm-project?rev=330428&view=rev
Log:
[X86][BtVer2] Cleanup some old FIXMEs from the model. NFCI.

Modified:
    llvm/trunk/lib/Target/X86/X86ScheduleBtVer2.td

Modified: llvm/trunk/lib/Target/X86/X86ScheduleBtVer2.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ScheduleBtVer2.td?rev=330428&r1=330427&r2=330428&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ScheduleBtVer2.td (original)
+++ llvm/trunk/lib/Target/X86/X86ScheduleBtVer2.td Fri Apr 20 06:12:04 2018
@@ -278,15 +278,13 @@ defm : JWriteResIntPair<WriteJump,  [JAL
 def : WriteRes<WriteSystem,     [JALU01]> { let Latency = 100; }
 def : WriteRes<WriteMicrocoded, [JALU01]> { let Latency = 100; }
 def : WriteRes<WriteFence,  [JSAGU]>;
+
 // Nops don't have dependencies, so there's no actual latency, but we set this
 // to '1' to tell the scheduler that the nop uses an ALU slot for a cycle.
 def : WriteRes<WriteNop, [JALU01]> { let Latency = 1; }
 
 ////////////////////////////////////////////////////////////////////////////////
 // Floating point. This covers both scalar and vector operations.
-// FIXME: should we bother splitting JFPU pipe + unit stages for fast instructions?
-// FIXME: Double precision latencies
-// FIXME: SS vs PS latencies
 ////////////////////////////////////////////////////////////////////////////////
 
 def  : WriteRes<WriteFLoad,        [JLAGU, JFPU01, JFPX]> { let Latency = 5; }
@@ -311,7 +309,6 @@ defm : JWriteResFpuPair<WriteFVarShuffle
 
 ////////////////////////////////////////////////////////////////////////////////
 // Conversions.
-// FIXME: integer pipes
 ////////////////////////////////////////////////////////////////////////////////
 
 defm : JWriteResFpuPair<WriteCvtF2I,       [JFPU1, JSTC], 3>; // Float -> Integer.
@@ -344,7 +341,7 @@ def JWriteCVTF2SILd : SchedWriteRes<[JLA
 }
 def : InstRW<[JWriteCVTF2SILd], (instregex "(V)?CVT(T?)S(D|S)2SI(64)?rm")>;
 
-// FIXME: f+3 ST,LD+STC latency
+// FIXME: f+3 ST, LD+STC latency
 def JWriteCVTSI2F : SchedWriteRes<[JFPU1, JSTC]> {
   let Latency = 9;
   let NumMicroOps = 2;