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-rw-r--r--lib/Target/Mips/Mips64InstrInfo.td4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/Mips/Mips64InstrInfo.td b/lib/Target/Mips/Mips64InstrInfo.td
index f0b6814e37cc..f2072a6c06e3 100644
--- a/lib/Target/Mips/Mips64InstrInfo.td
+++ b/lib/Target/Mips/Mips64InstrInfo.td
@@ -419,6 +419,10 @@ defm : SetgePats<GPR64, SLT64, SLTu64>;
defm : SetgeImmPats<GPR64, SLTi64, SLTiu64>;
// truncate
+def : MipsPat<(trunc (assertsext GPR64:$src)),
+ (EXTRACT_SUBREG GPR64:$src, sub_32)>;
+def : MipsPat<(trunc (assertzext GPR64:$src)),
+ (EXTRACT_SUBREG GPR64:$src, sub_32)>;
def : MipsPat<(i32 (trunc GPR64:$src)),
(SLL (EXTRACT_SUBREG GPR64:$src, sub_32), 0)>;