[llvm] [AMDGPU][MC] Support src modifiers for v_mov_b32 and v_movrel* instructions (PR #76498)

[Mirko Brkušanin via llvm-commits]

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@@ -2016,6 +2028,19 @@ v_movrels_b32_e64_dpp v5, v1 row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1
 v_movrels_b32_e64_dpp v255, v255 row_xmask:15 row_mask:0x3 bank_mask:0x0 bound_ctrl:0 fi:1
 // GFX12: [0xff,0x00,0xc3,0xd5,0xfa,0x00,0x00,0x00,0xff,0x6f,0x05,0x30]
 
+v_movrels_b32_e64_dpp v5, -v1 quad_perm:[3,2,1,0] row_mask:0xf bank_mask:0xf
+// GFX12:  [0x05,0x00,0xc3,0xd5,0xfa,0x00,0x00,0x20,0x01,0x1b,0x00,0xff]
+
+v_movrels_b32_e64_dpp v5, |v1| row_mirror row_mask:0xf bank_mask:0xf
+// GFX12: [0x05,0x01,0xc3,0xd5,0xfa,0x00,0x00,0x00,0x01,0x40,0x01,0xff]
+
+v_movrels_b32_e64_dpp v5, -v1 row_shl:1 row_mask:0xf bank_mask:0xf
+// GFX12:  [0x05,0x00,0xc3,0xd5,0xfa,0x00,0x00,0x20,0x01,0x01,0x01,0xff]
+
+v_movrels_b32_e64_dpp v5, |v1| row_xmask:0 row_mask:0x1 bank_mask:0x3 bound_ctrl:1
+// GFX12:  [0x05,0x01,0xc3,0xd5,0xfa,0x00,0x00,0x00,0x01,0x60,0x09,0x13]
+
+
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mbrkusanin wrote:

extra new line

https://github.com/llvm/llvm-project/pull/76498