From: Bob Wilson <bob.wilson@apple.com>
Date: Sat, 3 Oct 2009 04:44:16 +0000 (+0000)
Subject: Add a comment to describe letters used in multiclass name suffixes.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=916ac5b0690c529ce9a1a3615d84a48a5c907a69;p=oota-llvm.git

Add a comment to describe letters used in multiclass name suffixes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83257 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/ARMInstrNEON.td b/lib/Target/ARM/ARMInstrNEON.td
index 9fb6b41ee90..b9dbd6f3846 100644
--- a/lib/Target/ARM/ARMInstrNEON.td
+++ b/lib/Target/ARM/ARMInstrNEON.td
@@ -935,6 +935,12 @@ class N2VCvtQ<bit op24, bit op23, bits<6> op21_16, bits<4> op11_8, bit op7,
 // Multiclasses
 //===----------------------------------------------------------------------===//
 
+// Abbreviations used in multiclass suffixes:
+//   Q = quarter int (8 bit) elements
+//   H = half int (16 bit) elements
+//   S = single int (32 bit) elements
+//   D = double int (64 bit) elements
+
 // Neon 3-register vector operations.
 
 // First with only element sizes of 8, 16 and 32 bits: