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-rw-r--r--llvm/lib/Target/PowerPC/PPCISelLowering.h23
1 files changed, 22 insertions, 1 deletions
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.h b/llvm/lib/Target/PowerPC/PPCISelLowering.h
index 33f63814bc0..01a35a84553 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.h
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.h
@@ -129,7 +129,28 @@ namespace llvm {
/// byte-swapping load instruction. It loads "Type" bits, byte swaps it,
/// then puts it in the bottom bits of the GPRC. TYPE can be either i16
/// or i32.
- LBRX
+ LBRX,
+
+ // The following 5 instructions are used only as part of the
+ // long double-to-int conversion sequence.
+
+ /// OUTFLAG = MFFS F8RC - This moves the FPSCR (not modelled) into the
+ /// register.
+ MFFS,
+
+ /// OUTFLAG = MTFSB0 INFLAG - This clears a bit in the FPSCR.
+ MTFSB0,
+
+ /// OUTFLAG = MTFSB1 INFLAG - This sets a bit in the FPSCR.
+ MTFSB1,
+
+ /// F8RC, OUTFLAG = FADDRTZ F8RC, F8RC, INFLAG - This is an FADD done with
+ /// rounding towards zero. It has flags added so it won't move past the
+ /// FPSCR-setting instructions.
+ FADDRTZ,
+
+ /// MTFSF = F8RC, INFLAG - This moves the register into the FPSCR.
+ MTFSF
};
}
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