diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h b/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
index 119b166af..94e545ad4 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_instructions.h
@@ -308,11 +308,13 @@ void EmitINeg64(EmitContext& ctx, IR::Inst& inst, Register value);
 void EmitIAbs32(EmitContext& ctx, IR::Inst& inst, ScalarS32 value);
 void EmitIAbs64(EmitContext& ctx, IR::Inst& inst, Register value);
 void EmitShiftLeftLogical32(EmitContext& ctx, IR::Inst& inst, ScalarU32 base, ScalarU32 shift);
-void EmitShiftLeftLogical64(EmitContext& ctx, Register base, Register shift);
+void EmitShiftLeftLogical64(EmitContext& ctx, IR::Inst& inst, ScalarRegister base, ScalarU32 shift);
 void EmitShiftRightLogical32(EmitContext& ctx, IR::Inst& inst, ScalarU32 base, ScalarU32 shift);
-void EmitShiftRightLogical64(EmitContext& ctx, Register base, Register shift);
+void EmitShiftRightLogical64(EmitContext& ctx, IR::Inst& inst, ScalarRegister base,
+                             ScalarU32 shift);
 void EmitShiftRightArithmetic32(EmitContext& ctx, IR::Inst& inst, ScalarS32 base, ScalarS32 shift);
-void EmitShiftRightArithmetic64(EmitContext& ctx, Register base, Register shift);
+void EmitShiftRightArithmetic64(EmitContext& ctx, IR::Inst& inst, ScalarRegister base,
+                                ScalarS32 shift);
 void EmitBitwiseAnd32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b);
 void EmitBitwiseOr32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b);
 void EmitBitwiseXor32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b);
diff --git a/src/shader_recompiler/backend/glasm/emit_glasm_integer.cpp b/src/shader_recompiler/backend/glasm/emit_glasm_integer.cpp
index ff353df8d..f75fcba47 100644
--- a/src/shader_recompiler/backend/glasm/emit_glasm_integer.cpp
+++ b/src/shader_recompiler/backend/glasm/emit_glasm_integer.cpp
@@ -75,27 +75,27 @@ void EmitShiftLeftLogical32(EmitContext& ctx, IR::Inst& inst, ScalarU32 base, Sc
     ctx.Add("SHL.U {}.x,{},{};", inst, base, shift);
 }
 
-void EmitShiftLeftLogical64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register base,
-                            [[maybe_unused]] Register shift) {
-    throw NotImplementedException("GLASM instruction");
+void EmitShiftLeftLogical64(EmitContext& ctx, IR::Inst& inst, ScalarRegister base,
+                            ScalarU32 shift) {
+    ctx.LongAdd("SHL.U64 {}.x,{},{};", inst, base, shift);
 }
 
 void EmitShiftRightLogical32(EmitContext& ctx, IR::Inst& inst, ScalarU32 base, ScalarU32 shift) {
     ctx.Add("SHR.U {}.x,{},{};", inst, base, shift);
 }
 
-void EmitShiftRightLogical64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register base,
-                             [[maybe_unused]] Register shift) {
-    throw NotImplementedException("GLASM instruction");
+void EmitShiftRightLogical64(EmitContext& ctx, IR::Inst& inst, ScalarRegister base,
+                             ScalarU32 shift) {
+    ctx.LongAdd("SHR.U64 {}.x,{},{};", inst, base, shift);
 }
 
 void EmitShiftRightArithmetic32(EmitContext& ctx, IR::Inst& inst, ScalarS32 base, ScalarS32 shift) {
     ctx.Add("SHR.S {}.x,{},{};", inst, base, shift);
 }
 
-void EmitShiftRightArithmetic64([[maybe_unused]] EmitContext& ctx, [[maybe_unused]] Register base,
-                                [[maybe_unused]] Register shift) {
-    throw NotImplementedException("GLASM instruction");
+void EmitShiftRightArithmetic64(EmitContext& ctx, IR::Inst& inst, ScalarRegister base,
+                                ScalarS32 shift) {
+    ctx.LongAdd("SHR.S64 {}.x,{},{};", inst, base, shift);
 }
 
 void EmitBitwiseAnd32(EmitContext& ctx, IR::Inst& inst, ScalarS32 a, ScalarS32 b) {