[llvm] [AMDGPU][True16][MC] 16bit vsrc and vdst support in MC (PR #104510)

[Joe Nash via llvm-commits]

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@@ -125,16 +129,20 @@
 # GFX11: v_cvt_f16_u16_e64_dpp v255, v255 clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x80,0xd0,0xd5,0xea,0x00,0x00,0x18,0xff,0x00,0x00,0x00]
 0xff,0x80,0xd0,0xd5,0xea,0x00,0x00,0x18,0xff,0x00,0x00,0x00
 
-# GFX11: v_cvt_f32_f16_e64_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x8b,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]
+# GFX11-FAKE16: v_cvt_f32_f16_e64_dpp v5, v1 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x8b,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]
+# GFX11-REAL16: v_cvt_f32_f16_e64_dpp v5, v1.l dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x8b,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05]
 0x05,0x00,0x8b,0xd5,0xe9,0x00,0x00,0x00,0x01,0x77,0x39,0x05
 
-# GFX11: v_cvt_f32_f16_e64_dpp v5, v1 mul:2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x8b,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05]
+# GFX11-FAKE16: v_cvt_f32_f16_e64_dpp v5, v1 mul:2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x8b,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05]
+# GFX11-REAL16: v_cvt_f32_f16_e64_dpp v5, v1.l mul:2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x8b,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05]
 0x05,0x00,0x8b,0xd5,0xe9,0x00,0x00,0x08,0x01,0x77,0x39,0x05
 
-# GFX11: v_cvt_f32_f16_e64_dpp v5, v1 mul:4 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x8b,0xd5,0xe9,0x00,0x00,0x10,0x01,0x77,0x39,0x05]
+# GFX11-FAKE16: v_cvt_f32_f16_e64_dpp v5, v1 mul:4 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x8b,0xd5,0xe9,0x00,0x00,0x10,0x01,0x77,0x39,0x05]
+# GFX11-REAL16: v_cvt_f32_f16_e64_dpp v5, v1.l mul:4 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0x05,0x00,0x8b,0xd5,0xe9,0x00,0x00,0x10,0x01,0x77,0x39,0x05]
 0x05,0x00,0x8b,0xd5,0xe9,0x00,0x00,0x10,0x01,0x77,0x39,0x05
 
-# GFX11: v_cvt_f32_f16_e64_dpp v255, -|v255| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x81,0x8b,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
+# GFX11-FAKE16: v_cvt_f32_f16_e64_dpp v255, -|v255| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x81,0x8b,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
+# GFX11-REAL16: v_cvt_f32_f16_e64_dpp v255, -|v255.l| clamp div:2 dpp8:[0,0,0,0,0,0,0,0] fi:1 ; encoding: [0xff,0x81,0x8b,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00]
 0xff,0x81,0x8b,0xd5,0xea,0x00,0x00,0x38,0xff,0x00,0x00,0x00
 
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Sisyph wrote:

Needs .h tests

https://github.com/llvm/llvm-project/pull/104510