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[AMDGPU] Add additional aliases for load transpose instructions #163900

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Merged
merged 1 commit into from
Oct 17, 2025
Merged

[AMDGPU] Add additional aliases for load transpose instructions #163900

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6 changes: 6 additions & 0 deletions llvm/lib/Target/AMDGPU/DSInstructions.td
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Expand Up @@ -1488,6 +1488,12 @@ let AssemblerPredicate = isGFX12Plus in {
def : MnemonicAlias<"ds_load_tr_b64", "ds_load_tr8_b64">, Requires<[isGFX1250Plus]>;
def : MnemonicAlias<"ds_load_tr_b128", "ds_load_tr16_b128">, Requires<[isGFX1250Plus]>;

// Additional aliases for ds load transpose instructions.
def : MnemonicAlias<"ds_load_b64_tr_b8", "ds_load_tr8_b64">, Requires<[isGFX125xOnly]>;
def : MnemonicAlias<"ds_load_b128_tr_b16", "ds_load_tr16_b128">, Requires<[isGFX125xOnly]>;
def : MnemonicAlias<"ds_load_b64_tr_b4", "ds_load_tr4_b64">, Requires<[isGFX125xOnly]>;
def : MnemonicAlias<"ds_load_b96_tr_b6", "ds_load_tr6_b96">, Requires<[isGFX125xOnly]>;

//===----------------------------------------------------------------------===//
// GFX11.
//===----------------------------------------------------------------------===//
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6 changes: 6 additions & 0 deletions llvm/lib/Target/AMDGPU/FLATInstructions.td
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Expand Up @@ -3711,6 +3711,12 @@ defm GLOBAL_LOAD_TR_B64_w32 : VFLAT_Real_AllAddr_gfx1250<0x058, "globa
defm GLOBAL_LOAD_TR4_B64 : VFLAT_Real_AllAddr_gfx1250<0x073>;
defm GLOBAL_LOAD_TR6_B96 : VFLAT_Real_AllAddr_gfx1250<0x074>;

// Additional aliases for global load transpose instructions.
def : MnemonicAlias<"global_load_b128_tr_b16", "global_load_tr16_b128">, Requires<[isGFX125xOnly]>;
def : MnemonicAlias<"global_load_b64_tr_b8", "global_load_tr8_b64">, Requires<[isGFX125xOnly]>;
def : MnemonicAlias<"global_load_b64_tr_b4", "global_load_tr4_b64">, Requires<[isGFX125xOnly]>;
def : MnemonicAlias<"global_load_b96_tr_b6", "global_load_tr6_b96">, Requires<[isGFX125xOnly]>;

defm FLAT_ATOMIC_ADD_F64 : VFLAT_Real_Atomics_gfx1250<0x055>;
defm FLAT_ATOMIC_MIN_F64 : VFLAT_Real_Atomics_gfx1250<0x05b, "flat_atomic_min_num_f64">;
defm FLAT_ATOMIC_MAX_F64 : VFLAT_Real_Atomics_gfx1250<0x05c, "flat_atomic_max_num_f64">;
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12 changes: 12 additions & 0 deletions llvm/test/MC/AMDGPU/gfx1250_asm_vds_alias.s
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Expand Up @@ -5,3 +5,15 @@ ds_load_tr_b64 v[2:3], v0

ds_load_tr_b128 v[2:5], v0
// GFX1250: ds_load_tr16_b128 v[2:5], v0 ; encoding: [0x00,0x00,0xf0,0xdb,0x00,0x00,0x00,0x02]

ds_load_b128_tr_b16 v[2:5], v0
// GFX1250: ds_load_tr16_b128 v[2:5], v0 ; encoding: [0x00,0x00,0xf0,0xdb,0x00,0x00,0x00,0x02]

ds_load_b64_tr_b8 v[2:3], v0
// GFX1250: ds_load_tr8_b64 v[2:3], v0 ; encoding: [0x00,0x00,0xf4,0xdb,0x00,0x00,0x00,0x02]

ds_load_b64_tr_b4 v[2:3], v0
// GFX1250: ds_load_tr4_b64 v[2:3], v0 ; encoding: [0x00,0x00,0xe8,0xdb,0x00,0x00,0x00,0x02]

ds_load_tr6_b96 v[2:4], v0
// GFX1250: ds_load_tr6_b96 v[2:4], v0 ; encoding: [0x00,0x00,0xec,0xdb,0x00,0x00,0x00,0x02]
75 changes: 75 additions & 0 deletions llvm/test/MC/AMDGPU/gfx1250_asm_vflat_alias.s
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Expand Up @@ -35,3 +35,78 @@ global_load_tr_b128 v[2:5], v[6:7], off offset:64

global_load_tr_b128 v[2:5], v[6:7], off offset:-64
// GFX1250: global_load_tr16_b128 v[2:5], v[6:7], off offset:-64 ; encoding: [0x7c,0xc0,0x15,0xee,0x02,0x00,0x00,0x00,0x06,0xc0,0xff,0xff]

global_load_b64_tr_b8 v[2:3], v0, s[0:1]
// GFX1250: global_load_tr8_b64 v[2:3], v0, s[0:1] ; encoding: [0x00,0x00,0x16,0xee,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00]

global_load_b64_tr_b8 v[2:3], v0, s[0:1] offset:64
// GFX1250: global_load_tr8_b64 v[2:3], v0, s[0:1] offset:64 ; encoding: [0x00,0x00,0x16,0xee,0x02,0x00,0x00,0x00,0x00,0x40,0x00,0x00]

global_load_b64_tr_b8 v[2:3], v0, s[0:1] offset:-64
// GFX1250: global_load_tr8_b64 v[2:3], v0, s[0:1] offset:-64 ; encoding: [0x00,0x00,0x16,0xee,0x02,0x00,0x00,0x00,0x00,0xc0,0xff,0xff]

global_load_b64_tr_b8 v[2:3], v[4:5], off
// GFX1250: global_load_tr8_b64 v[2:3], v[4:5], off ; encoding: [0x7c,0x00,0x16,0xee,0x02,0x00,0x00,0x00,0x04,0x00,0x00,0x00]

global_load_b64_tr_b8 v[2:3], v[4:5], off offset:64
// GFX1250: global_load_tr8_b64 v[2:3], v[4:5], off offset:64 ; encoding: [0x7c,0x00,0x16,0xee,0x02,0x00,0x00,0x00,0x04,0x40,0x00,0x00]

global_load_b64_tr_b8 v[2:3], v[4:5], off offset:-64
// GFX1250: global_load_tr8_b64 v[2:3], v[4:5], off offset:-64 ; encoding: [0x7c,0x00,0x16,0xee,0x02,0x00,0x00,0x00,0x04,0xc0,0xff,0xff]

global_load_b128_tr_b16 v[2:5], v0, s[0:1]
// GFX1250: global_load_tr16_b128 v[2:5], v0, s[0:1] ; encoding: [0x00,0xc0,0x15,0xee,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00]

global_load_b128_tr_b16 v[2:5], v0, s[0:1] offset:64
// GFX1250: global_load_tr16_b128 v[2:5], v0, s[0:1] offset:64 ; encoding: [0x00,0xc0,0x15,0xee,0x02,0x00,0x00,0x00,0x00,0x40,0x00,0x00]

global_load_b128_tr_b16 v[2:5], v0, s[0:1] offset:-64
// GFX1250: global_load_tr16_b128 v[2:5], v0, s[0:1] offset:-64 ; encoding: [0x00,0xc0,0x15,0xee,0x02,0x00,0x00,0x00,0x00,0xc0,0xff,0xff]

global_load_b128_tr_b16 v[2:5], v[6:7], off
// GFX1250: global_load_tr16_b128 v[2:5], v[6:7], off ; encoding: [0x7c,0xc0,0x15,0xee,0x02,0x00,0x00,0x00,0x06,0x00,0x00,0x00]

global_load_b128_tr_b16 v[2:5], v[6:7], off offset:64
// GFX1250: global_load_tr16_b128 v[2:5], v[6:7], off offset:64 ; encoding: [0x7c,0xc0,0x15,0xee,0x02,0x00,0x00,0x00,0x06,0x40,0x00,0x00]

global_load_b128_tr_b16 v[2:5], v[6:7], off offset:-64
// GFX1250: global_load_tr16_b128 v[2:5], v[6:7], off offset:-64 ; encoding: [0x7c,0xc0,0x15,0xee,0x02,0x00,0x00,0x00,0x06,0xc0,0xff,0xff]

global_load_b64_tr_b4 v[2:3], v0, s[0:1]
// GFX1250: global_load_tr4_b64 v[2:3], v0, s[0:1] ; encoding: [0x00,0xc0,0x1c,0xee,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00]

global_load_b64_tr_b4 v[2:3], v0, s[0:1] offset:64
// GFX1250: global_load_tr4_b64 v[2:3], v0, s[0:1] offset:64 ; encoding: [0x00,0xc0,0x1c,0xee,0x02,0x00,0x00,0x00,0x00,0x40,0x00,0x00]

global_load_b64_tr_b4 v[2:3], v0, s[0:1] offset:-64
// GFX1250: global_load_tr4_b64 v[2:3], v0, s[0:1] offset:-64 ; encoding: [0x00,0xc0,0x1c,0xee,0x02,0x00,0x00,0x00,0x00,0xc0,0xff,0xff]

global_load_b64_tr_b4 v[2:3], v[4:5], off
// GFX1250: global_load_tr4_b64 v[2:3], v[4:5], off ; encoding: [0x7c,0xc0,0x1c,0xee,0x02,0x00,0x00,0x00,0x04,0x00,0x00,0x00]

global_load_b64_tr_b4 v[2:3], v[4:5], off offset:64
// GFX1250: global_load_tr4_b64 v[2:3], v[4:5], off offset:64 ; encoding: [0x7c,0xc0,0x1c,0xee,0x02,0x00,0x00,0x00,0x04,0x40,0x00,0x00]

global_load_b64_tr_b4 v[2:3], v[4:5], off offset:-64
// GFX1250: global_load_tr4_b64 v[2:3], v[4:5], off offset:-64 ; encoding: [0x7c,0xc0,0x1c,0xee,0x02,0x00,0x00,0x00,0x04,0xc0,0xff,0xff]

global_load_b96_tr_b6 v[2:4], v0, s[0:1]
// GFX1250: global_load_tr6_b96 v[2:4], v0, s[0:1] ; encoding: [0x00,0x00,0x1d,0xee,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00]

global_load_b96_tr_b6 v[3:5], v0, s[0:1]
// GFX1250: global_load_tr6_b96 v[3:5], v0, s[0:1] ; encoding: [0x00,0x00,0x1d,0xee,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00]

global_load_b96_tr_b6 v[2:4], v0, s[0:1] offset:64
// GFX1250: global_load_tr6_b96 v[2:4], v0, s[0:1] offset:64 ; encoding: [0x00,0x00,0x1d,0xee,0x02,0x00,0x00,0x00,0x00,0x40,0x00,0x00]

global_load_b96_tr_b6 v[2:4], v0, s[0:1] offset:-64
// GFX1250: global_load_tr6_b96 v[2:4], v0, s[0:1] offset:-64 ; encoding: [0x00,0x00,0x1d,0xee,0x02,0x00,0x00,0x00,0x00,0xc0,0xff,0xff]

global_load_b96_tr_b6 v[2:4], v[6:7], off
// GFX1250: global_load_tr6_b96 v[2:4], v[6:7], off ; encoding: [0x7c,0x00,0x1d,0xee,0x02,0x00,0x00,0x00,0x06,0x00,0x00,0x00]

global_load_b96_tr_b6 v[2:4], v[6:7], off offset:64
// GFX1250: global_load_tr6_b96 v[2:4], v[6:7], off offset:64 ; encoding: [0x7c,0x00,0x1d,0xee,0x02,0x00,0x00,0x00,0x06,0x40,0x00,0x00]

global_load_b96_tr_b6 v[2:4], v[6:7], off offset:-64
// GFX1250: global_load_tr6_b96 v[2:4], v[6:7], off offset:-64 ; encoding: [0x7c,0x00,0x1d,0xee,0x02,0x00,0x00,0x00,0x06,0xc0,0xff,0xff]