Add mftblo and mftbhi for PPC 4xx.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@214863 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td
index dda017981b02b5e5d8cb7f6cf1ac5855eb9b0712..764f46ebc47f01b774d2a995a79bd4d5200fde36 100644 (file)
--- a/lib/Target/PowerPC/PPCInstrInfo.td
+++ b/lib/Target/PowerPC/PPCInstrInfo.td
@@ -3240,6 +3240,11 @@ def : InstAlias<"mftb $Rx", (MFTB gprc:$Rx, 268)>;
 def : InstAlias<"mftbl $Rx", (MFTB gprc:$Rx, 268)>;
 def : InstAlias<"mftbu $Rx", (MFTB gprc:$Rx, 269)>;
 
+def : InstAlias<"mftblo $Rx", (MFSPR gprc:$Rx, 989)>, Requires<[IsPPC4xx]>;
+def : InstAlias<"mttblo $Rx", (MTSPR 989, gprc:$Rx)>, Requires<[IsPPC4xx]>;
+def : InstAlias<"mftbhi $Rx", (MFSPR gprc:$Rx, 988)>, Requires<[IsPPC4xx]>;
+def : InstAlias<"mttbhi $Rx", (MTSPR 988, gprc:$Rx)>, Requires<[IsPPC4xx]>;
+
 def : InstAlias<"xnop", (XORI R0, R0, 0)>;
 
 def : InstAlias<"mr $rA, $rB", (OR8 g8rc:$rA, g8rc:$rB, g8rc:$rB)>;

diff --git a/test/MC/PowerPC/ppc64-encoding-4xx.s b/test/MC/PowerPC/ppc64-encoding-4xx.s
index 5fca73e5971e75ee0e1e8dbb3b7031747b2888e7..c30d277061ed674f0ab460ed81517aaa0f89340f 100644 (file)
--- a/test/MC/PowerPC/ppc64-encoding-4xx.s
+++ b/test/MC/PowerPC/ppc64-encoding-4xx.s
@@ -77,3 +77,16 @@
 # CHECK-BE: mtspr 986, 2                    # encoding: [0x7c,0x5a,0xf3,0xa6]
 # CHECK-LE: mtspr 986, 2                    # encoding: [0xa6,0xf3,0x5a,0x7c]
             mttcr %r2
+
+# CHECK-BE: mfspr 2, 989                    # encoding: [0x7c,0x5d,0xf2,0xa6]
+# CHECK-LE: mfspr 2, 989                    # encoding: [0xa6,0xf2,0x5d,0x7c]
+            mftblo %r2
+# CHECK-BE: mtspr 989, 2                    # encoding: [0x7c,0x5d,0xf3,0xa6]
+# CHECK-LE: mtspr 989, 2                    # encoding: [0xa6,0xf3,0x5d,0x7c]
+            mttblo %r2
+# CHECK-BE: mfspr 2, 988                    # encoding: [0x7c,0x5c,0xf2,0xa6]
+# CHECK-LE: mfspr 2, 988                    # encoding: [0xa6,0xf2,0x5c,0x7c]
+            mftbhi %r2
+# CHECK-BE: mtspr 988, 2                    # encoding: [0x7c,0x5c,0xf3,0xa6]
+# CHECK-LE: mtspr 988, 2                    # encoding: [0xa6,0xf3,0x5c,0x7c]
+            mttbhi %r2