Index: lib/Target/AMDGPU/SIInstructions.td
===================================================================
--- lib/Target/AMDGPU/SIInstructions.td
+++ lib/Target/AMDGPU/SIInstructions.td
@@ -423,13 +423,13 @@
 
 defm S_SETREG_B32 : SOPK_m <
   sopk<0x13, 0x12>, "s_setreg_b32", (outs),
-  (ins SReg_32:$sdst, u16imm:$simm16), " $sdst, $simm16"
+  (ins SReg_32:$sdst, u16imm:$simm16), " $simm16, $sdst"
 >;
 // FIXME: Not on SI?
 //defm S_GETREG_REGRD_B32 : SOPK_32 <sopk<0x14, 0x13>, "s_getreg_regrd_b32", []>;
 defm S_SETREG_IMM32_B32 : SOPK_IMM32 <
   sopk<0x15, 0x14>, "s_setreg_imm32_b32", (outs),
-  (ins i32imm:$imm, u16imm:$simm16), " $imm, $simm16"
+  (ins i32imm:$imm, u16imm:$simm16), " $simm16, $imm"
 >;
 
 //===----------------------------------------------------------------------===//
Index: test/MC/AMDGPU/sopk.s
===================================================================
--- test/MC/AMDGPU/sopk.s
+++ test/MC/AMDGPU/sopk.s
@@ -77,10 +77,10 @@
 // SICI: s_getreg_b32 s2, 0x6 ; encoding: [0x06,0x00,0x02,0xb9]
 // VI:   s_getreg_b32 s2, 0x6 ; encoding: [0x06,0x00,0x82,0xb8]
 
-s_setreg_b32 s2, 0x6
-// SICI: s_setreg_b32 s2, 0x6 ; encoding: [0x06,0x00,0x82,0xb9]
-// VI:   s_setreg_b32 s2, 0x6 ; encoding: [0x06,0x00,0x02,0xb9]
+s_setreg_b32 0x6, s2
+// SICI: s_setreg_b32 0x6, s2 ; encoding: [0x06,0x00,0x82,0xb9]
+// VI:   s_setreg_b32 0x6, s2 ; encoding: [0x06,0x00,0x02,0xb9]
 
-s_setreg_imm32_b32 0xff, 0x6
-// SICI: s_setreg_imm32_b32 0xff, 0x6 ; encoding: [0x06,0x00,0x80,0xba,0xff,0x00,0x00,0x00]
-// VI:   s_setreg_imm32_b32 0xff, 0x6 ; encoding: [0x06,0x00,0x00,0xba,0xff,0x00,0x00,0x00]
+s_setreg_imm32_b32 0x6, 0xff
+// SICI: s_setreg_imm32_b32 0x6, 0xff ; encoding: [0x06,0x00,0x80,0xba,0xff,0x00,0x00,0x00]
+// VI:   s_setreg_imm32_b32 0x6, 0xff ; encoding: [0x06,0x00,0x00,0xba,0xff,0x00,0x00,0x00]
Index: test/MC/Disassembler/AMDGPU/sopk_vi.txt
===================================================================
--- test/MC/Disassembler/AMDGPU/sopk_vi.txt
+++ test/MC/Disassembler/AMDGPU/sopk_vi.txt
@@ -51,8 +51,8 @@
 # VI:   s_getreg_b32 s2, 0x6 ; encoding: [0x06,0x00,0x82,0xb8]
 0x06 0x00 0x82 0xb8
 
-# VI:   s_setreg_b32 s2, 0x6 ; encoding: [0x06,0x00,0x02,0xb9]
+# VI:   s_setreg_b32 0x6, s2 ; encoding: [0x06,0x00,0x02,0xb9]
 0x06 0x00 0x02 0xb9
 
-# VI:   s_setreg_imm32_b32 0xff, 0x6 ; encoding: [0x06,0x00,0x00,0xba,0xff,0x00,0x00,0x00]
+# VI:   s_setreg_imm32_b32 0x6, 0xff ; encoding: [0x06,0x00,0x00,0xba,0xff,0x00,0x00,0x00]
 0x06 0x00 0x00 0xba 0xff 0x00 0x00 0x00