test msl

Author: jakemas

util/fipstools/delocate/testdata/aarch64-Basic/in.s

@@ -99,6 +99,11 @@ foo:
 	ld1d { z1.d }, p0/z, [x13, x11, lsl #3]
 	ld1b { z11.b }, p15/z, [x10, #1, mul vl]
 
+    // Test msl special argument handling
+    movi v0.2d, #0xff, msl #8
+    movi v1.2d, #0x42, msl #16
+    movi v2.2d, #0x1, msl #0
+
 local_function:
 
 // BSS data

util/fipstools/delocate/testdata/aarch64-Basic/out.s

@@ -127,7 +127,7 @@ foo:
 	adr x10, .Llocal_data2
 // WAS ldr q0, [x10, :lo12:.Llocal_data2]
 	ldr	q0, [x10]
-	
+
 	// Load from local symbol with sign extension
 // WAS adrp x10, .Llocal_data2
     adr x10, .Llocal_data2
@@ -204,6 +204,11 @@ foo:
 	ld1d { z1.d }, p0/z, [x13, x11, lsl #3]
 	ld1b { z11.b }, p15/z, [x10, #1, mul vl]
 
+    // Test msl special argument handling - should remain unchanged
+    movi v0.2d, #0xff, msl #8
+    movi v1.2d, #0x42, msl #16
+    movi v2.2d, #0x1, msl #0
+
 .Llocal_function_local_target:
 local_function: