[llvm] AMDGPU: Update baseline test checks in disassembler test (PR #157816)

Wed Sep 10 02:16:37 PDT 2025

llvmbot wrote:




@llvm/pr-subscribers-backend-amdgpu

Author: Matt Arsenault (arsenm)

<details>
<summary>Changes</summary>

This test is strange since it's full of decoding failure warnings

---
Full diff: https://github.com/llvm/llvm-project/pull/157816.diff


1 Files Affected:

- (modified) llvm/test/MC/Disassembler/AMDGPU/gfx1250_dasm_vop1_dpp8.txt (+9) 


``````````diff

diff --git a/llvm/test/MC/Disassembler/AMDGPU/gfx1250_dasm_vop1_dpp8.txt b/llvm/test/MC/Disassembler/AMDGPU/gfx1250_dasm_vop1_dpp8.txt
index d3706f975e914..fa7b940132f0c 100644
--- a/llvm/test/MC/Disassembler/AMDGPU/gfx1250_dasm_vop1_dpp8.txt
+++ b/llvm/test/MC/Disassembler/AMDGPU/gfx1250_dasm_vop1_dpp8.txt
@@ -98,6 +98,7 @@
 
 0xe9,0xf6,0x0a,0x7f,0x81,0x77,0x39,0x05
 # GFX1250-REAL16: v_rsq_bf16_dpp v5.h, v1.h dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xf6,0x0a,0x7f,0x81,0x77,0x39,0x05]
+# GFX1250-FAKE16: v_add_f64_e32 v[156:157], v[129:130], v[187:188] ; encoding: [0x81,0x77,0x39,0x05]
 
 0xe9,0xf8,0xfe,0x7e,0x7f,0x00,0x00,0x00
 # GFX1250-REAL16: v_log_bf16_dpp v127.l, v127.l dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xe9,0xf8,0xfe,0x7e,0x7f,0x00,0x00,0x00]
@@ -113,6 +114,7 @@
 
 0xe9,0xf8,0x0a,0x7f,0x81,0x77,0x39,0x05
 # GFX1250-REAL16: v_log_bf16_dpp v5.h, v1.h dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xf8,0x0a,0x7f,0x81,0x77,0x39,0x05]
+# GFX1250-FAKE16: v_add_f64_e32 v[156:157], v[129:130], v[187:188] ; encoding: [0x81,0x77,0x39,0x05]
 
 0xe9,0xfa,0xfe,0x7e,0x7f,0x00,0x00,0x00
 # GFX1250-REAL16: v_exp_bf16_dpp v127.l, v127.l dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xe9,0xfa,0xfe,0x7e,0x7f,0x00,0x00,0x00]
@@ -128,6 +130,7 @@
 
 0xe9,0xfa,0x0a,0x7f,0x81,0x77,0x39,0x05
 # GFX1250-REAL16: v_exp_bf16_dpp v5.h, v1.h dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xfa,0x0a,0x7f,0x81,0x77,0x39,0x05]
+# GFX1250-FAKE16: v_add_f64_e32 v[156:157], v[129:130], v[187:188] ; encoding: [0x81,0x77,0x39,0x05]
 
 0xe9,0xfc,0xfe,0x7e,0x7f,0x00,0x00,0x00
 # GFX1250-REAL16: v_sin_bf16_dpp v127.l, v127.l dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xe9,0xfc,0xfe,0x7e,0x7f,0x00,0x00,0x00]
@@ -143,6 +146,7 @@
 
 0xe9,0xfc,0x0a,0x7f,0x81,0x77,0x39,0x05
 # GFX1250-REAL16: v_sin_bf16_dpp v5.h, v1.h dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xfc,0x0a,0x7f,0x81,0x77,0x39,0x05]
+# GFX1250-FAKE16: v_add_f64_e32 v[156:157], v[129:130], v[187:188] ; encoding: [0x81,0x77,0x39,0x05]
 
 0xe9,0xfe,0xfe,0x7e,0x7f,0x00,0x00,0x00
 # GFX1250-REAL16: v_cos_bf16_dpp v127.l, v127.l dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xe9,0xfe,0xfe,0x7e,0x7f,0x00,0x00,0x00]
@@ -158,6 +162,7 @@
 
 0xe9,0xfe,0x0a,0x7f,0x81,0x77,0x39,0x05
 # GFX1250-REAL16: v_cos_bf16_dpp v5.h, v1.h dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xfe,0x0a,0x7f,0x81,0x77,0x39,0x05]
+# GFX1250-FAKE16: v_add_f64_e32 v[156:157], v[129:130], v[187:188] ; encoding: [0x81,0x77,0x39,0x05]
 
 0xe9,0xe4,0xfe,0x7e,0x7f,0x00,0x00,0x00
 # GFX1250: v_cvt_f32_bf16_dpp v127, v127.l dpp8:[0,0,0,0,0,0,0,0] ; encoding: [0xe9,0xe4,0xfe,0x7e,0x7f,0x00,0x00,0x00]
@@ -177,6 +182,7 @@
 
 0xe9,0xf0,0x02,0x7f,0x02,0x77,0x39,0x05
 # GFX1250-REAL16: v_cvt_f16_bf8_dpp v1.h, v2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xf0,0x02,0x7f,0x02,0x77,0x39,0x05]
+# GFX1250-FAKE16: v_add_f64_e32 v[156:157], v[2:3], v[187:188] ; encoding: [0x02,0x77,0x39,0x05]
 
 0xea,0xf0,0x02,0x7e,0x02,0x77,0x39,0x05
 # GFX1250-REAL16: v_cvt_f16_bf8_dpp v1.l, v2 dpp8:[7,6,5,4,3,2,1,0] fi:1 ; encoding: [0xea,0xf0,0x02,0x7e,0x02,0x77,0x39,0x05]
@@ -192,6 +198,7 @@
 
 0xe9,0xee,0x02,0x7f,0x02,0x77,0x39,0x05
 # GFX1250-REAL16: v_cvt_f16_fp8_dpp v1.h, v2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xee,0x02,0x7f,0x02,0x77,0x39,0x05]
+# GFX1250-FAKE16: v_add_f64_e32 v[156:157], v[2:3], v[187:188] ; encoding: [0x02,0x77,0x39,0x05]
 
 0xea,0xec,0x02,0x7e,0x02,0x77,0x39,0x05
 # GFX1250-REAL16: v_cvt_pk_f16_bf8_dpp v1, v2.l dpp8:[7,6,5,4,3,2,1,0] fi:1 ; encoding: [0xea,0xec,0x02,0x7e,0x02,0x77,0x39,0x05]
@@ -219,6 +226,7 @@
 
 0xe9,0xe6,0x02,0x7f,0x02,0x77,0x39,0x05
 # GFX1250-REAL16: v_sat_pk4_i4_i8_dpp v1.h, v2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xe6,0x02,0x7f,0x02,0x77,0x39,0x05]
+# GFX1250-FAKE16: v_add_f64_e32 v[156:157], v[2:3], v[187:188] ; encoding: [0x02,0x77,0x39,0x05]
 
 0xe9,0xe8,0x02,0x7e,0x02,0x77,0x39,0x05
 # GFX1250-REAL16: v_sat_pk4_u4_u8_dpp v1.l, v2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xe8,0x02,0x7e,0x02,0x77,0x39,0x05]
@@ -230,3 +238,4 @@
 
 0xe9,0xe8,0x02,0x7f,0x02,0x77,0x39,0x05
 # GFX1250-REAL16: v_sat_pk4_u4_u8_dpp v1.h, v2 dpp8:[7,6,5,4,3,2,1,0] ; encoding: [0xe9,0xe8,0x02,0x7f,0x02,0x77,0x39,0x05]
+# GFX1250-FAKE16: v_add_f64_e32 v[156:157], v[2:3], v[187:188] ; encoding: [0x02,0x77,0x39,0x05]

``````````

</details>


https://github.com/llvm/llvm-project/pull/157816
