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

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83257 91177308-0d34-0410-b5e6-96231b3b80d8
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Bob Wilson 2009-10-03 04:44:16 +00:00
parent 8f07b9e8a9
commit 916ac5b069
1 changed files with 6 additions and 0 deletions
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lib/Target/ARM/ARMInstrNEON.td
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@ -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: