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authorBob Wilson <bob.wilson@apple.com>2009-10-03 04:44:16 +0000
committerBob Wilson <bob.wilson@apple.com>2009-10-03 04:44:16 +0000
commit916ac5b0690c529ce9a1a3615d84a48a5c907a69 (patch)
tree7a1ae088d48b06e68e8c62e359e6ccfceff5b588 /lib
parent8f07b9e8a954c95a42afd4883bc422526b640b8b (diff)
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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
Diffstat (limited to 'lib')
-rw-r--r--lib/Target/ARM/ARMInstrNEON.td6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/Target/ARM/ARMInstrNEON.td b/lib/Target/ARM/ARMInstrNEON.td
index 9fb6b41..b9dbd6f 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: