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[AMDGPU] Add assembler/disassembler support for v_dual_dot2acc_f32_bf16 (#118984)
There is still no codegen support because the corresponding v_dot2c_f32_bf16 instruction is not supported on GFX11.
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5 files changed

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lines changed

‎llvm/lib/Target/AMDGPU/VOP2Instructions.td

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1190,7 +1190,7 @@ let Constraints = "$vdst = $src2",
11901190
defm V_DOT8C_I32_I4 : VOP2Inst<"v_dot8c_i32_i4", VOP_DOT_ACC_I32_I32>;
11911191

11921192
let SubtargetPredicate = HasDot13Insts in
1193-
defm V_DOT2C_F32_BF16 : VOP2Inst<"v_dot2c_f32_bf16", VOP_DOT_ACC_F32_V2BF16>;
1193+
defm V_DOT2C_F32_BF16 : VOP2Inst_VOPD<"v_dot2c_f32_bf16", VOP_DOT_ACC_F32_V2BF16, 0xd, "v_dot2acc_f32_bf16">;
11941194
}
11951195

11961196
let AddedComplexity = 30 in {

‎llvm/lib/Target/AMDGPU/VOPDInstructions.td

Lines changed: 7 additions & 11 deletions
Original file line numberDiff line numberDiff line change
@@ -87,12 +87,12 @@ class VOPD_Base<dag outs, dag ins, string asm, VOP_Pseudo VDX, VOP_Pseudo VDY,
8787
let ReadsModeReg = !or(VDX.ReadsModeReg, VDY.ReadsModeReg);
8888
let mayRaiseFPException = ReadsModeReg;
8989

90-
// V_DUAL_FMAC and V_DUAL_DOT2ACC_F32_F16 need a dummy src2 tied to dst for
91-
// passes to track its uses. Its presence does not affect VOPD formation rules
92-
// because the rules for src2 and dst are the same. src2X and src2Y should not
93-
// be encoded.
94-
bit hasSrc2AccX = !or(!eq(VDX.Mnemonic, "v_fmac_f32"), !eq(VDX.Mnemonic, "v_dot2c_f32_f16"));
95-
bit hasSrc2AccY = !or(!eq(VDY.Mnemonic, "v_fmac_f32"), !eq(VDY.Mnemonic, "v_dot2c_f32_f16"));
90+
// V_DUAL_FMAC and V_DUAL_DOT2ACC_F32_F16 and V_DUAL_DOT2ACC_F32_BF16 need a
91+
// dummy src2 tied to dst for passes to track its uses. Its presence does not
92+
// affect VOPD formation rules because the rules for src2 and dst are the
93+
// same. src2X and src2Y should not be encoded.
94+
bit hasSrc2AccX = !or(!eq(VDX.Mnemonic, "v_fmac_f32"), !eq(VDX.Mnemonic, "v_dot2c_f32_f16"), !eq(VDX.Mnemonic, "v_dot2c_f32_bf16"));
95+
bit hasSrc2AccY = !or(!eq(VDY.Mnemonic, "v_fmac_f32"), !eq(VDY.Mnemonic, "v_dot2c_f32_f16"), !eq(VDY.Mnemonic, "v_dot2c_f32_bf16"));
9696
string ConstraintsX = !if(hasSrc2AccX, "$src2X = $vdstX", "");
9797
string ConstraintsY = !if(hasSrc2AccY, "$src2Y = $vdstY", "");
9898
let Constraints =
@@ -125,16 +125,12 @@ class VOPD_MADK<dag outs, dag ins, string asm, VOP_Pseudo VDX, VOP_Pseudo VDY,
125125
let FixedSize = 1;
126126
}
127127

128-
// V_DUAL_DOT2ACC_F32_BF16 is a legal instruction, but V_DOT2ACC_F32_BF16 is
129-
// not. V_DUAL_DOT2C_F32_BF16 is a legal instruction on GFX12, but
130-
// V_DOT2C_F32_F16_e32 is not. Since we generate the DUAL form by converting
131-
// from the normal form we will never generate them.
132128
defvar VOPDPseudosCommon = [
133129
"V_FMAC_F32_e32", "V_FMAAK_F32", "V_FMAMK_F32", "V_MUL_F32_e32",
134130
"V_ADD_F32_e32", "V_SUB_F32_e32", "V_SUBREV_F32_e32", "V_MUL_LEGACY_F32_e32",
135131
"V_MOV_B32_e32", "V_CNDMASK_B32_e32", "V_MAX_F32_e32", "V_MIN_F32_e32"
136132
];
137-
defvar VOPDPseudosGFX11 = ["V_DOT2C_F32_F16_e32"];
133+
defvar VOPDPseudosGFX11 = ["V_DOT2C_F32_F16_e32", "V_DOT2C_F32_BF16_e32"];
138134
defvar VOPDYOnlyPseudosCommon = ["V_ADD_U32_e32", "V_LSHLREV_B32_e32",
139135
"V_AND_B32_e32"];
140136

‎llvm/test/MC/AMDGPU/gfx11_asm_vopd.s

Lines changed: 216 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -14817,3 +14817,219 @@ v_dual_subrev_f32 v255, -1, v4 :: v_dual_subrev_f32 v6, src_scc, v5
1481714817
v_dual_subrev_f32 v6, null, v5 :: v_dual_subrev_f32 v255, 0xaf123456, v4
1481814818
// GFX11: encoding: [0x7c,0x0a,0x8c,0xc9,0xff,0x08,0xfe,0x06,0x56,0x34,0x12,0xaf]
1481914819
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14820+
14821+
v_dual_add_f32 v255, v4, v2 :: v_dual_dot2acc_f32_bf16 v6, v1, v3
14822+
// GFX11: encoding: [0x04,0x05,0x1a,0xc9,0x01,0x07,0x06,0xff]
14823+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14824+
14825+
v_dual_add_f32 v255, v1, v2 :: v_dual_dot2acc_f32_bf16 v6, v255, v3
14826+
// GFX11: encoding: [0x01,0x05,0x1a,0xc9,0xff,0x07,0x06,0xff]
14827+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14828+
14829+
v_dual_add_f32 v255, v255, v2 :: v_dual_dot2acc_f32_bf16 v6, v2, v3
14830+
// GFX11: encoding: [0xff,0x05,0x1a,0xc9,0x02,0x07,0x06,0xff]
14831+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14832+
14833+
v_dual_add_f32 v255, v2, v2 :: v_dual_dot2acc_f32_bf16 v6, v3, v3
14834+
// GFX11: encoding: [0x02,0x05,0x1a,0xc9,0x03,0x07,0x06,0xff]
14835+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14836+
14837+
v_dual_add_f32 v255, v3, v2 :: v_dual_dot2acc_f32_bf16 v6, v4, v3
14838+
// GFX11: encoding: [0x03,0x05,0x1a,0xc9,0x04,0x07,0x06,0xff]
14839+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14840+
14841+
v_dual_add_f32 v255, s105, v2 :: v_dual_dot2acc_f32_bf16 v6, s1, v3
14842+
// GFX11: encoding: [0x69,0x04,0x1a,0xc9,0x01,0x06,0x06,0xff]
14843+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14844+
14845+
v_dual_add_f32 v255, s1, v2 :: v_dual_dot2acc_f32_bf16 v6, s105, v3
14846+
// GFX11: encoding: [0x01,0x04,0x1a,0xc9,0x69,0x06,0x06,0xff]
14847+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14848+
14849+
v_dual_add_f32 v255, ttmp15, v2 :: v_dual_dot2acc_f32_bf16 v6, vcc_lo, v3
14850+
// GFX11: encoding: [0x7b,0x04,0x1a,0xc9,0x6a,0x06,0x06,0xff]
14851+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14852+
14853+
v_dual_add_f32 v255, exec_hi, v2 :: v_dual_dot2acc_f32_bf16 v6, vcc_hi, v3
14854+
// GFX11: encoding: [0x7f,0x04,0x1a,0xc9,0x6b,0x06,0x06,0xff]
14855+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14856+
14857+
v_dual_add_f32 v255, exec_lo, v2 :: v_dual_dot2acc_f32_bf16 v6, ttmp15, v3
14858+
// GFX11: encoding: [0x7e,0x04,0x1a,0xc9,0x7b,0x06,0x06,0xff]
14859+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14860+
14861+
v_dual_add_f32 v255, m0, v2 :: v_dual_dot2acc_f32_bf16 v6, m0, v3
14862+
// GFX11: encoding: [0x7d,0x04,0x1a,0xc9,0x7d,0x06,0x06,0xff]
14863+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14864+
14865+
v_dual_add_f32 v255, vcc_hi, v2 :: v_dual_dot2acc_f32_bf16 v6, exec_lo, v3
14866+
// GFX11: encoding: [0x6b,0x04,0x1a,0xc9,0x7e,0x06,0x06,0xff]
14867+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14868+
14869+
v_dual_add_f32 v255, vcc_lo, v2 :: v_dual_dot2acc_f32_bf16 v6, exec_hi, v3
14870+
// GFX11: encoding: [0x6a,0x04,0x1a,0xc9,0x7f,0x06,0x06,0xff]
14871+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14872+
14873+
v_dual_add_f32 v255, 0xaf123456, v2 :: v_dual_dot2acc_f32_bf16 v6, null, v3
14874+
// GFX11: encoding: [0xff,0x04,0x1a,0xc9,0x7c,0x06,0x06,0xff,0x56,0x34,0x12,0xaf]
14875+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14876+
14877+
v_dual_add_f32 v255, src_scc, v2 :: v_dual_dot2acc_f32_bf16 v6, -1, v3
14878+
// GFX11: encoding: [0xfd,0x04,0x1a,0xc9,0xc1,0x06,0x06,0xff]
14879+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14880+
14881+
v_dual_add_f32 v255, 0.5, v3 :: v_dual_dot2acc_f32_bf16 v6, 0.5, v2
14882+
// GFX11: encoding: [0xf0,0x06,0x1a,0xc9,0xf0,0x04,0x06,0xff]
14883+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14884+
14885+
v_dual_add_f32 v255, -1, v4 :: v_dual_dot2acc_f32_bf16 v6, src_scc, v5
14886+
// GFX11: encoding: [0xc1,0x08,0x1a,0xc9,0xfd,0x0a,0x06,0xff]
14887+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14888+
14889+
v_dual_add_f32 v6, null, v5 :: v_dual_dot2acc_f32_bf16 v255, 0xfe0b, v4
14890+
// GFX11: encoding: [0x7c,0x0a,0x1a,0xc9,0xff,0x08,0xfe,0x06,0x0b,0xfe,0x00,0x00]
14891+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14892+
14893+
v_dual_dot2acc_f32_bf16 v255, v4, v2 :: v_dual_add_f32 v6, v1, v3
14894+
// GFX11: encoding: [0x04,0x05,0x48,0xcb,0x01,0x07,0x06,0xff]
14895+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14896+
14897+
v_dual_dot2acc_f32_bf16 v255, v1, v2 :: v_dual_add_f32 v6, v255, v3
14898+
// GFX11: encoding: [0x01,0x05,0x48,0xcb,0xff,0x07,0x06,0xff]
14899+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14900+
14901+
v_dual_dot2acc_f32_bf16 v255, v255, v2 :: v_dual_add_f32 v6, v2, v3
14902+
// GFX11: encoding: [0xff,0x05,0x48,0xcb,0x02,0x07,0x06,0xff]
14903+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14904+
14905+
v_dual_dot2acc_f32_bf16 v255, v2, v2 :: v_dual_add_f32 v6, v3, v3
14906+
// GFX11: encoding: [0x02,0x05,0x48,0xcb,0x03,0x07,0x06,0xff]
14907+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14908+
14909+
v_dual_dot2acc_f32_bf16 v255, v3, v2 :: v_dual_add_f32 v6, v4, v3
14910+
// GFX11: encoding: [0x03,0x05,0x48,0xcb,0x04,0x07,0x06,0xff]
14911+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14912+
14913+
v_dual_dot2acc_f32_bf16 v255, s105, v2 :: v_dual_add_f32 v6, s1, v3
14914+
// GFX11: encoding: [0x69,0x04,0x48,0xcb,0x01,0x06,0x06,0xff]
14915+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14916+
14917+
v_dual_dot2acc_f32_bf16 v255, s1, v2 :: v_dual_add_f32 v6, s105, v3
14918+
// GFX11: encoding: [0x01,0x04,0x48,0xcb,0x69,0x06,0x06,0xff]
14919+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14920+
14921+
v_dual_dot2acc_f32_bf16 v255, ttmp15, v2 :: v_dual_add_f32 v6, vcc_lo, v3
14922+
// GFX11: encoding: [0x7b,0x04,0x48,0xcb,0x6a,0x06,0x06,0xff]
14923+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14924+
14925+
v_dual_dot2acc_f32_bf16 v255, exec_hi, v2 :: v_dual_add_f32 v6, vcc_hi, v3
14926+
// GFX11: encoding: [0x7f,0x04,0x48,0xcb,0x6b,0x06,0x06,0xff]
14927+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14928+
14929+
v_dual_dot2acc_f32_bf16 v255, exec_lo, v2 :: v_dual_add_f32 v6, ttmp15, v3
14930+
// GFX11: encoding: [0x7e,0x04,0x48,0xcb,0x7b,0x06,0x06,0xff]
14931+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14932+
14933+
v_dual_dot2acc_f32_bf16 v255, m0, v2 :: v_dual_add_f32 v6, m0, v3
14934+
// GFX11: encoding: [0x7d,0x04,0x48,0xcb,0x7d,0x06,0x06,0xff]
14935+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14936+
14937+
v_dual_dot2acc_f32_bf16 v255, vcc_hi, v2 :: v_dual_add_f32 v6, exec_lo, v3
14938+
// GFX11: encoding: [0x6b,0x04,0x48,0xcb,0x7e,0x06,0x06,0xff]
14939+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14940+
14941+
v_dual_dot2acc_f32_bf16 v255, vcc_lo, v2 :: v_dual_add_f32 v6, exec_hi, v3
14942+
// GFX11: encoding: [0x6a,0x04,0x48,0xcb,0x7f,0x06,0x06,0xff]
14943+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14944+
14945+
v_dual_dot2acc_f32_bf16 v255, 0xfe0b, v2 :: v_dual_add_f32 v6, null, v3
14946+
// GFX11: encoding: [0xff,0x04,0x48,0xcb,0x7c,0x06,0x06,0xff,0x0b,0xfe,0x00,0x00]
14947+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14948+
14949+
v_dual_dot2acc_f32_bf16 v255, src_scc, v2 :: v_dual_add_f32 v6, -1, v3
14950+
// GFX11: encoding: [0xfd,0x04,0x48,0xcb,0xc1,0x06,0x06,0xff]
14951+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14952+
14953+
v_dual_dot2acc_f32_bf16 v255, 0.5, v3 :: v_dual_add_f32 v6, 0.5, v2
14954+
// GFX11: encoding: [0xf0,0x06,0x48,0xcb,0xf0,0x04,0x06,0xff]
14955+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14956+
14957+
v_dual_dot2acc_f32_bf16 v255, -1, v4 :: v_dual_add_f32 v6, src_scc, v5
14958+
// GFX11: encoding: [0xc1,0x08,0x48,0xcb,0xfd,0x0a,0x06,0xff]
14959+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14960+
14961+
v_dual_dot2acc_f32_bf16 v6, null, v5 :: v_dual_add_f32 v255, 0xaf123456, v4
14962+
// GFX11: encoding: [0x7c,0x0a,0x48,0xcb,0xff,0x08,0xfe,0x06,0x56,0x34,0x12,0xaf]
14963+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14964+
14965+
v_dual_dot2acc_f32_bf16 v255, v4, v2 :: v_dual_add_nc_u32 v6, v1, v3
14966+
// GFX11: encoding: [0x04,0x05,0x60,0xcb,0x01,0x07,0x06,0xff]
14967+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14968+
14969+
v_dual_dot2acc_f32_bf16 v255, v1, v2 :: v_dual_add_nc_u32 v6, v255, v3
14970+
// GFX11: encoding: [0x01,0x05,0x60,0xcb,0xff,0x07,0x06,0xff]
14971+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14972+
14973+
v_dual_dot2acc_f32_bf16 v255, v255, v2 :: v_dual_add_nc_u32 v6, v2, v3
14974+
// GFX11: encoding: [0xff,0x05,0x60,0xcb,0x02,0x07,0x06,0xff]
14975+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14976+
14977+
v_dual_dot2acc_f32_bf16 v255, v2, v2 :: v_dual_add_nc_u32 v6, v3, v3
14978+
// GFX11: encoding: [0x02,0x05,0x60,0xcb,0x03,0x07,0x06,0xff]
14979+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14980+
14981+
v_dual_dot2acc_f32_bf16 v255, v3, v2 :: v_dual_add_nc_u32 v6, v4, v3
14982+
// GFX11: encoding: [0x03,0x05,0x60,0xcb,0x04,0x07,0x06,0xff]
14983+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14984+
14985+
v_dual_dot2acc_f32_bf16 v255, s105, v2 :: v_dual_add_nc_u32 v6, s1, v3
14986+
// GFX11: encoding: [0x69,0x04,0x60,0xcb,0x01,0x06,0x06,0xff]
14987+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14988+
14989+
v_dual_dot2acc_f32_bf16 v255, s1, v2 :: v_dual_add_nc_u32 v6, s105, v3
14990+
// GFX11: encoding: [0x01,0x04,0x60,0xcb,0x69,0x06,0x06,0xff]
14991+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14992+
14993+
v_dual_dot2acc_f32_bf16 v255, ttmp15, v2 :: v_dual_add_nc_u32 v6, vcc_lo, v3
14994+
// GFX11: encoding: [0x7b,0x04,0x60,0xcb,0x6a,0x06,0x06,0xff]
14995+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
14996+
14997+
v_dual_dot2acc_f32_bf16 v255, exec_hi, v2 :: v_dual_add_nc_u32 v6, vcc_hi, v3
14998+
// GFX11: encoding: [0x7f,0x04,0x60,0xcb,0x6b,0x06,0x06,0xff]
14999+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
15000+
15001+
v_dual_dot2acc_f32_bf16 v255, exec_lo, v2 :: v_dual_add_nc_u32 v6, ttmp15, v3
15002+
// GFX11: encoding: [0x7e,0x04,0x60,0xcb,0x7b,0x06,0x06,0xff]
15003+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
15004+
15005+
v_dual_dot2acc_f32_bf16 v255, m0, v2 :: v_dual_add_nc_u32 v6, m0, v3
15006+
// GFX11: encoding: [0x7d,0x04,0x60,0xcb,0x7d,0x06,0x06,0xff]
15007+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
15008+
15009+
v_dual_dot2acc_f32_bf16 v255, vcc_hi, v2 :: v_dual_add_nc_u32 v6, exec_lo, v3
15010+
// GFX11: encoding: [0x6b,0x04,0x60,0xcb,0x7e,0x06,0x06,0xff]
15011+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
15012+
15013+
v_dual_dot2acc_f32_bf16 v255, vcc_lo, v2 :: v_dual_add_nc_u32 v6, exec_hi, v3
15014+
// GFX11: encoding: [0x6a,0x04,0x60,0xcb,0x7f,0x06,0x06,0xff]
15015+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
15016+
15017+
v_dual_dot2acc_f32_bf16 v255, 0xfe0b, v2 :: v_dual_add_nc_u32 v6, null, v3
15018+
// GFX11: encoding: [0xff,0x04,0x60,0xcb,0x7c,0x06,0x06,0xff,0x0b,0xfe,0x00,0x00]
15019+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
15020+
15021+
v_dual_dot2acc_f32_bf16 v255, src_scc, v2 :: v_dual_add_nc_u32 v6, -1, v3
15022+
// GFX11: encoding: [0xfd,0x04,0x60,0xcb,0xc1,0x06,0x06,0xff]
15023+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
15024+
15025+
v_dual_dot2acc_f32_bf16 v255, 0.5, v3 :: v_dual_add_nc_u32 v6, 0.5, v2
15026+
// GFX11: encoding: [0xf0,0x06,0x60,0xcb,0xf0,0x04,0x06,0xff]
15027+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
15028+
15029+
v_dual_dot2acc_f32_bf16 v255, -1, v4 :: v_dual_add_nc_u32 v6, src_scc, v5
15030+
// GFX11: encoding: [0xc1,0x08,0x60,0xcb,0xfd,0x0a,0x06,0xff]
15031+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32
15032+
15033+
v_dual_dot2acc_f32_bf16 v6, null, v5 :: v_dual_add_nc_u32 v255, 0xaf123456, v4
15034+
// GFX11: encoding: [0x7c,0x0a,0x60,0xcb,0xff,0x08,0xfe,0x06,0x56,0x34,0x12,0xaf]
15035+
// W64-ERR: :[[@LINE-2]]:{{[0-9]+}}: error: instruction requires wavesize=32

‎llvm/test/MC/AMDGPU/gfx11_unsupported.s

Lines changed: 3 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -2064,3 +2064,6 @@ ds_subrev_u64 v1, v[2:3]
20642064

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ds_subrev_rtn_u64 v[5:6], v1, v[2:3]
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// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU
2067+
2068+
v_dot2c_f32_bf16 v5, v1, v2
2069+
// CHECK: :[[@LINE-1]]:{{[0-9]+}}: error: instruction not supported on this GPU

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