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[LLVM][AMDGPU] MC support for ds_bpermute_fi_b32 #124108

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Merged
Acim-Maravic merged 1 commit into from
Jan 23, 2025
Merged

[LLVM][AMDGPU] MC support for ds_bpermute_fi_b32 #124108

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2 changes: 2 additions & 0 deletions llvm/lib/Target/AMDGPU/DSInstructions.td
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Original file line number Diff line number Diff line change
Expand Up @@ -699,6 +699,7 @@ def DS_PERMUTE_B32 : DS_1A1D_PERMUTE <"ds_permute_b32",
int_amdgcn_ds_permute>;
def DS_BPERMUTE_B32 : DS_1A1D_PERMUTE <"ds_bpermute_b32",
int_amdgcn_ds_bpermute>;
def DS_BPERMUTE_FI_B32 : DS_1A1D_PERMUTE <"ds_bpermute_fi_b32">;
}

} // let SubtargetPredicate = isGFX8Plus
Expand Down Expand Up @@ -1264,6 +1265,7 @@ defm DS_PK_ADD_F16 : DS_Real_gfx12<0x09a>;
defm DS_PK_ADD_RTN_F16 : DS_Real_gfx12<0x0aa>;
defm DS_PK_ADD_BF16 : DS_Real_gfx12<0x09b>;
defm DS_PK_ADD_RTN_BF16 : DS_Real_gfx12<0x0ab>;
defm DS_BPERMUTE_FI_B32 : DS_Real_gfx12<0x0cd>;

// New aliases added in GFX12 without renaming the instructions.
let AssemblerPredicate = isGFX12Plus in {
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12 changes: 12 additions & 0 deletions llvm/test/MC/AMDGPU/gfx12_asm_ds.s
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Expand Up @@ -1910,3 +1910,15 @@ ds_swizzle_b32 v8, v2 offset:swizzle(BROADCAST,8,7)

ds_swizzle_b32 v8, v2 offset:swizzle(BITMASK_PERM, "01pip")
// GFX12: [0x07,0x09,0xd4,0xd8,0x02,0x00,0x00,0x08]

ds_bpermute_fi_b32 v5, v1, v2
// GFX12: encoding: [0x00,0x00,0x34,0xdb,0x01,0x02,0x00,0x05]

ds_bpermute_fi_b32 v5, v1, v2 offset:65535
// GFX12: encoding: [0xff,0xff,0x34,0xdb,0x01,0x02,0x00,0x05]

ds_bpermute_fi_b32 v5, v1, v2 offset:0
// GFX12: encoding: [0x00,0x00,0x34,0xdb,0x01,0x02,0x00,0x05]

ds_bpermute_fi_b32 v255, v255, v255 offset:4
// GFX12: encoding: [0x04,0x00,0x34,0xdb,0xff,0xff,0x00,0xff]
9 changes: 9 additions & 0 deletions llvm/test/MC/Disassembler/AMDGPU/gfx12_dasm_ds.txt
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Expand Up @@ -3233,3 +3233,12 @@

# GFX12: ds_xor_rtn_b64 v[5:6], v255, v[2:3] offset:65535 ; encoding: [0xff,0xff,0xac,0xd9,0xff,0x02,0x00,0x05]
0xff,0xff,0xac,0xd9,0xff,0x02,0x00,0x05

# GFX12: ds_bpermute_fi_b32 v5, v1, v2 ; encoding: [0x00,0x00,0x34,0xdb,0x01,0x02,0x00,0x05]
0x00,0x00,0x34,0xdb,0x01,0x02,0x00,0x05

# GFX12: ds_bpermute_fi_b32 v5, v1, v2 offset:65535 ; encoding: [0xff,0xff,0x34,0xdb,0x01,0x02,0x00,0x05]
0xff,0xff,0x34,0xdb,0x01,0x02,0x00,0x05

# GFX12: ds_bpermute_fi_b32 v255, v255, v255 offset:4 ; encoding: [0x04,0x00,0x34,0xdb,0xff,0xff,0x00,0xff]
0x04,0x00,0x34,0xdb,0xff,0xff,0x00,0xff
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