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[SystemZ] Use FI[EDX]BRA for codegen

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@188895 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Richard Sandiford
2013-08-21 09:04:20 +00:00
parent d954716e75
commit d95865a2a2
4 changed files with 354 additions and 6 deletions
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9
lib/Target/SystemZ/SystemZISelLowering.cpp
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@@ -209,6 +209,15 @@ SystemZTargetLowering::SystemZTargetLowering(SystemZTargetMachine &tm)
// We can use FI for FRINT.
setOperationAction(ISD::FRINT, VT, Legal);
// We can use the extended form of FI for other rounding operations.
if (Subtarget.hasFPExtension()) {
setOperationAction(ISD::FNEARBYINT, VT, Legal);
setOperationAction(ISD::FFLOOR, VT, Legal);
setOperationAction(ISD::FCEIL, VT, Legal);
setOperationAction(ISD::FTRUNC, VT, Legal);
setOperationAction(ISD::FROUND, VT, Legal);
}
// No special instructions for these.
setOperationAction(ISD::FSIN, VT, Expand);
setOperationAction(ISD::FCOS, VT, Expand);