diff options
Diffstat (limited to 'lib/Target/PowerPC/PPCInstrFormats.td')
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrFormats.td | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCInstrFormats.td b/lib/Target/PowerPC/PPCInstrFormats.td index 37e26726f7..36f193be99 100644 --- a/lib/Target/PowerPC/PPCInstrFormats.td +++ b/lib/Target/PowerPC/PPCInstrFormats.td @@ -38,6 +38,11 @@ class I<bits<6> opcode, dag OOL, dag IOL, string asmstr, InstrItinClass itin> // Fields used for relation models. string BaseName = ""; + + // For cases where multiple instruction definitions really represent the + // same underlying instruction but with one definition for 64-bit arguments + // and one for 32-bit arguments, this bit breaks the degeneracy between + // the two forms and allows TableGen to generate mapping tables. bit Interpretation64Bit = 0; } |