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

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llvm-svn: 83257
This commit is contained in:
Bob Wilson 2009-10-03 04:44:16 +00:00
parent be258e083a
commit 64ce6ef65a
1 changed files with 6 additions and 0 deletions
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6
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: