[X86] Fix 80 column violation and remove trailing whitespace. NFC

llvm-svn: 318611

1 files changed, 8 insertions, 7 deletions

diff --git a/llvm/lib/Target/X86/X86Subtarget.cpp b/llvm/lib/Target/X86/X86Subtarget.cpp
index 66fea1e688f..1d1a78fb7be 100644
--- a/llvm/lib/Target/X86/X86Subtarget.cpp
+++ b/llvm/lib/Target/X86/X86Subtarget.cpp
@@ -269,13 +269,14 @@ void X86Subtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) {
   else if (isTargetDarwin() || isTargetLinux() || isTargetSolaris() ||
            isTargetKFreeBSD() || In64BitMode)
     stackAlignment = 16;
- 
-  // Gather is available since Haswell (AVX2 set). So technically, we can generate Gathers 
-  // on all AVX2 processors. But the overhead on HSW is high. Skylake Client processor has
-  // faster Gathers than HSW and performance is similar to Skylake Server (AVX-512). 
-  // The specified overhead is relative to the Load operation."2" is the number provided 
-  // by Intel architects, This parameter is used for cost estimation of Gather Op and 
-  // comparison with other alternatives.
+
+  // Gather is available since Haswell (AVX2 set). So technically, we can
+  // generate Gathers on all AVX2 processors. But the overhead on HSW is high.
+  // Skylake Client processor has faster Gathers than HSW and performance is
+  // similar to Skylake Server (AVX-512). The specified overhead is relative to
+  // the Load operation. "2" is the number provided by Intel architects. This
+  // parameter is used for cost estimation of Gather Op and comparison with
+  // other alternatives.
   if (X86ProcFamily == IntelSkylake || hasAVX512())
     GatherOverhead = 2;
   if (hasAVX512())