diff --git a/lib/Target/ARM/ARMInstrThumb2.td b/lib/Target/ARM/ARMInstrThumb2.td
index 3183d7629d4..0eb8514eaaa 100644
--- a/lib/Target/ARM/ARMInstrThumb2.td
+++ b/lib/Target/ARM/ARMInstrThumb2.td
@@ -2632,12 +2632,12 @@ def t2SMLALDX : T2FourReg_mac<1, 0b100, 0b1101, (outs rGPR:$Ra,rGPR:$Rd),
                         "\t$Ra, $Rd, $Rn, $Rm", []>,
           Requires<[IsThumb2, HasThumb2DSP]>;
 def t2SMLSLD  : T2FourReg_mac<1, 0b101, 0b1100, (outs rGPR:$Ra,rGPR:$Rd),
-                        (ins rGPR:$Rm,rGPR:$Rn), IIC_iMAC64, "smlsld",
-                        "\t$Ra, $Rd, $Rm, $Rn", []>,
+                        (ins rGPR:$Rn,rGPR:$Rm), IIC_iMAC64, "smlsld",
+                        "\t$Ra, $Rd, $Rn, $Rm", []>,
           Requires<[IsThumb2, HasThumb2DSP]>;
 def t2SMLSLDX : T2FourReg_mac<1, 0b101, 0b1101, (outs rGPR:$Ra,rGPR:$Rd),
                         (ins rGPR:$Rm,rGPR:$Rn), IIC_iMAC64, "smlsldx",
-                        "\t$Ra, $Rd, $Rm, $Rn", []>,
+                        "\t$Ra, $Rd, $Rn, $Rm", []>,
           Requires<[IsThumb2, HasThumb2DSP]>;
 
 //===----------------------------------------------------------------------===//
diff --git a/test/MC/ARM/basic-thumb2-instructions.s b/test/MC/ARM/basic-thumb2-instructions.s
index b47ed573e8d..e0be0690ba9 100644
--- a/test/MC/ARM/basic-thumb2-instructions.s
+++ b/test/MC/ARM/basic-thumb2-instructions.s
@@ -1870,6 +1870,22 @@ _func:
 @ CHECK: smlsdxgt	r2, r3, r5, r8  @ encoding: [0x43,0xfb,0x15,0x82]
 
 
+@------------------------------------------------------------------------------
+@ SMLSLD/SMLSLDX
+@------------------------------------------------------------------------------
+        smlsld r2, r9, r5, r1
+        smlsldx r4, r11, r2, r8
+        ite ge
+        smlsldge r8, r2, r5, r6
+        smlsldxlt r1, r0, r3, r8
+
+@ CHECK: smlsld	r2, r9, r5, r1          @ encoding: [0xd5,0xfb,0xc1,0x29]
+@ CHECK: smlsldx	r4, r11, r2, r8 @ encoding: [0xd2,0xfb,0xd8,0x4b]
+@ CHECK: ite	ge                      @ encoding: [0xac,0xbf]
+@ CHECK: smlsldge	r8, r2, r5, r6  @ encoding: [0xd5,0xfb,0xc6,0x82]
+@ CHECK: smlsldxlt	r1, r0, r3, r8  @ encoding: [0xd3,0xfb,0xd8,0x10]
+
+
 @------------------------------------------------------------------------------
 @ SUB (register)
 @------------------------------------------------------------------------------