Add notes about future PowerPC features

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174232 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Schmidt 2013-02-01 23:10:09 +00:00
parent cdc3b74cfb
commit dbc86b98f2

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@ -66,6 +66,23 @@ def FeatureBookE : SubtargetFeature<"booke", "IsBookE", "true",
def FeatureQPX : SubtargetFeature<"qpx","HasQPX", "true", def FeatureQPX : SubtargetFeature<"qpx","HasQPX", "true",
"Enable QPX instructions">; "Enable QPX instructions">;
// Note: Future features to add when support is extended to more
// recent ISA levels:
//
// CMPB p6, p6x, p7 cmpb
// DFP p6, p6x, p7 decimal floating-point instructions
// FLT_CVT p7 fcfids, fcfidu, fcfidus, fcfiduz, fctiwuz
// FPRND p5x, p6, p6x, p7 frim, frin, frip, friz
// FRE p5 through p7 fre (vs. fres, available since p3)
// FRSQRTES p5 through p7 frsqrtes (vs. frsqrte, available since p3)
// LDBRX p7 load with byte reversal
// LFIWAX p6, p6x, p7 lfiwax
// LFIWZX p7 lfiwzx
// POPCNTB p5 through p7 popcntb and related instructions
// POPCNTD p7 popcntd and related instructions
// RECIP_PREC p6, p6x, p7 higher precision reciprocal estimates
// VSX p7 vector-scalar instruction set
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
// Register File Description // Register File Description
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//