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[AMDGPU] New alias v_interp_p2_new_f32 (#118968)
This is for compatibility with SP3. Also add basic testing for the new GFX11 VINTERP encoding.
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‎llvm/lib/Target/AMDGPU/VINTERPInstructions.td

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@@ -238,3 +238,6 @@ defm V_INTERP_P10_F16_F32_inreg : VINTERP_Real_t16_and_fake16_gfx11_gfx12<0x002,
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defm V_INTERP_P2_F16_F32_inreg : VINTERP_Real_t16_and_fake16_gfx11_gfx12<0x003, "v_interp_p2_f16_f32">;
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defm V_INTERP_P10_RTZ_F16_F32_inreg : VINTERP_Real_t16_and_fake16_gfx11_gfx12<0x004, "v_interp_p10_rtz_f16_f32">;
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defm V_INTERP_P2_RTZ_F16_F32_inreg : VINTERP_Real_t16_and_fake16_gfx11_gfx12<0x005, "v_interp_p2_rtz_f16_f32">;
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let AssemblerPredicate = isGFX11Plus in
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def : AMDGPUMnemonicAlias<"v_interp_p2_new_f32", "v_interp_p2_f32">;

‎llvm/test/MC/AMDGPU/gfx11_asm_vinterp.s

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// NOTE: Assertions have been autogenerated by utils/update_mc_test_checks.py UTC_ARGS: --version 5
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// RUN: llvm-mc -triple=amdgcn -mcpu=gfx1100 -show-encoding %s | FileCheck --check-prefix=GFX11 %s
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v_interp_p10_f32 v0, v1, v2, v3 wait_exp:5
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// GFX11: v_interp_p10_f32 v0, v1, v2, v3 wait_exp:5 ; encoding: [0x00,0x05,0x00,0xcd,0x01,0x05,0x0e,0x04]
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v_interp_p10_f32 v0, -v1, v2, v3
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// GFX11: v_interp_p10_f32 v0, -v1, v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x00,0xcd,0x01,0x05,0x0e,0x24]
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v_interp_p10_f32 v0, v1, -v2, v3
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// GFX11: v_interp_p10_f32 v0, v1, -v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x00,0xcd,0x01,0x05,0x0e,0x44]
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v_interp_p10_f32 v0, v1, v2, -v3
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// GFX11: v_interp_p10_f32 v0, v1, v2, -v3 wait_exp:0 ; encoding: [0x00,0x00,0x00,0xcd,0x01,0x05,0x0e,0x84]
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v_interp_p2_f32 v0, v1, v2, v3 wait_exp:5
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// GFX11: v_interp_p2_f32 v0, v1, v2, v3 wait_exp:5 ; encoding: [0x00,0x05,0x01,0xcd,0x01,0x05,0x0e,0x04]
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v_interp_p2_f32 v0, -v1, v2, v3
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// GFX11: v_interp_p2_f32 v0, -v1, v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x01,0xcd,0x01,0x05,0x0e,0x24]
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v_interp_p2_f32 v0, v1, -v2, v3
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// GFX11: v_interp_p2_f32 v0, v1, -v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x01,0xcd,0x01,0x05,0x0e,0x44]
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v_interp_p2_f32 v0, v1, v2, -v3
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// GFX11: v_interp_p2_f32 v0, v1, v2, -v3 wait_exp:0 ; encoding: [0x00,0x00,0x01,0xcd,0x01,0x05,0x0e,0x84]
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v_interp_p10_f16_f32 v0, v1, v2, v3 wait_exp:5
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// GFX11: v_interp_p10_f16_f32 v0, v1, v2, v3 wait_exp:5 ; encoding: [0x00,0x05,0x02,0xcd,0x01,0x05,0x0e,0x04]
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v_interp_p10_f16_f32 v0, -v1, v2, v3
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// GFX11: v_interp_p10_f16_f32 v0, -v1, v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x02,0xcd,0x01,0x05,0x0e,0x24]
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v_interp_p10_f16_f32 v0, v1, -v2, v3
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// GFX11: v_interp_p10_f16_f32 v0, v1, -v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x02,0xcd,0x01,0x05,0x0e,0x44]
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v_interp_p10_f16_f32 v0, v1, v2, -v3
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// GFX11: v_interp_p10_f16_f32 v0, v1, v2, -v3 wait_exp:0 ; encoding: [0x00,0x00,0x02,0xcd,0x01,0x05,0x0e,0x84]
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v_interp_p2_f16_f32 v0, v1, v2, v3 wait_exp:5
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// GFX11: v_interp_p2_f16_f32 v0, v1, v2, v3 wait_exp:5 ; encoding: [0x00,0x05,0x03,0xcd,0x01,0x05,0x0e,0x04]
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v_interp_p2_f16_f32 v0, -v1, v2, v3
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// GFX11: v_interp_p2_f16_f32 v0, -v1, v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x03,0xcd,0x01,0x05,0x0e,0x24]
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v_interp_p2_f16_f32 v0, v1, -v2, v3
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// GFX11: v_interp_p2_f16_f32 v0, v1, -v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x03,0xcd,0x01,0x05,0x0e,0x44]
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v_interp_p2_f16_f32 v0, v1, v2, -v3
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// GFX11: v_interp_p2_f16_f32 v0, v1, v2, -v3 wait_exp:0 ; encoding: [0x00,0x00,0x03,0xcd,0x01,0x05,0x0e,0x84]
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v_interp_p10_rtz_f16_f32 v0, v1, v2, v3 wait_exp:5
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// GFX11: v_interp_p10_rtz_f16_f32 v0, v1, v2, v3 wait_exp:5 ; encoding: [0x00,0x05,0x04,0xcd,0x01,0x05,0x0e,0x04]
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v_interp_p10_rtz_f16_f32 v0, -v1, v2, v3
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// GFX11: v_interp_p10_rtz_f16_f32 v0, -v1, v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x04,0xcd,0x01,0x05,0x0e,0x24]
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v_interp_p10_rtz_f16_f32 v0, v1, -v2, v3
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// GFX11: v_interp_p10_rtz_f16_f32 v0, v1, -v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x04,0xcd,0x01,0x05,0x0e,0x44]
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v_interp_p10_rtz_f16_f32 v0, v1, v2, -v3
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// GFX11: v_interp_p10_rtz_f16_f32 v0, v1, v2, -v3 wait_exp:0 ; encoding: [0x00,0x00,0x04,0xcd,0x01,0x05,0x0e,0x84]
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v_interp_p2_rtz_f16_f32 v0, v1, v2, v3 wait_exp:5
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// GFX11: v_interp_p2_rtz_f16_f32 v0, v1, v2, v3 wait_exp:5 ; encoding: [0x00,0x05,0x05,0xcd,0x01,0x05,0x0e,0x04]
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v_interp_p2_rtz_f16_f32 v0, -v1, v2, v3
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// GFX11: v_interp_p2_rtz_f16_f32 v0, -v1, v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x05,0xcd,0x01,0x05,0x0e,0x24]
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v_interp_p2_rtz_f16_f32 v0, v1, -v2, v3
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// GFX11: v_interp_p2_rtz_f16_f32 v0, v1, -v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x05,0xcd,0x01,0x05,0x0e,0x44]
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v_interp_p2_rtz_f16_f32 v0, v1, v2, -v3
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// GFX11: v_interp_p2_rtz_f16_f32 v0, v1, v2, -v3 wait_exp:0 ; encoding: [0x00,0x00,0x05,0xcd,0x01,0x05,0x0e,0x84]

‎llvm/test/MC/AMDGPU/gfx11_asm_vinterp_alias.s

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// NOTE: Assertions have been autogenerated by utils/update_mc_test_checks.py UTC_ARGS: --version 5
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// RUN: llvm-mc -triple=amdgcn -mcpu=gfx1100 -show-encoding %s | FileCheck --check-prefix=GFX11 %s
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v_interp_p2_new_f32 v0, v1, v2, v3
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// GFX11: v_interp_p2_f32 v0, v1, v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x01,0xcd,0x01,0x05,0x0e,0x04]

‎llvm/test/MC/Disassembler/AMDGPU/gfx11_dasm_vinterp.txt

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# NOTE: Assertions have been autogenerated by utils/update_mc_test_checks.py UTC_ARGS: --version 5
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# RUN: llvm-mc -triple=amdgcn -mcpu=gfx1100 -disassemble -show-encoding < %s | FileCheck -strict-whitespace -check-prefix=GFX11 %s
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0x00,0x05,0x00,0xcd,0x01,0x05,0x0e,0x04
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# GFX11: v_interp_p10_f32 v0, v1, v2, v3 wait_exp:5 ; encoding: [0x00,0x05,0x00,0xcd,0x01,0x05,0x0e,0x04]
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0x00,0x00,0x00,0xcd,0x01,0x05,0x0e,0x24
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# GFX11: v_interp_p10_f32 v0, -v1, v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x00,0xcd,0x01,0x05,0x0e,0x24]
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0x00,0x00,0x00,0xcd,0x01,0x05,0x0e,0x44
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# GFX11: v_interp_p10_f32 v0, v1, -v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x00,0xcd,0x01,0x05,0x0e,0x44]
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0x00,0x00,0x00,0xcd,0x01,0x05,0x0e,0x84
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# GFX11: v_interp_p10_f32 v0, v1, v2, -v3 wait_exp:0 ; encoding: [0x00,0x00,0x00,0xcd,0x01,0x05,0x0e,0x84]
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0x00,0x05,0x01,0xcd,0x01,0x05,0x0e,0x04
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# GFX11: v_interp_p2_f32 v0, v1, v2, v3 wait_exp:5 ; encoding: [0x00,0x05,0x01,0xcd,0x01,0x05,0x0e,0x04]
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0x00,0x00,0x01,0xcd,0x01,0x05,0x0e,0x24
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# GFX11: v_interp_p2_f32 v0, -v1, v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x01,0xcd,0x01,0x05,0x0e,0x24]
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0x00,0x00,0x01,0xcd,0x01,0x05,0x0e,0x44
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# GFX11: v_interp_p2_f32 v0, v1, -v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x01,0xcd,0x01,0x05,0x0e,0x44]
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0x00,0x00,0x01,0xcd,0x01,0x05,0x0e,0x84
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# GFX11: v_interp_p2_f32 v0, v1, v2, -v3 wait_exp:0 ; encoding: [0x00,0x00,0x01,0xcd,0x01,0x05,0x0e,0x84]
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0x00,0x05,0x02,0xcd,0x01,0x05,0x0e,0x04
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# GFX11: v_interp_p10_f16_f32 v0, v1, v2, v3 wait_exp:5 ; encoding: [0x00,0x05,0x02,0xcd,0x01,0x05,0x0e,0x04]
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0x00,0x00,0x02,0xcd,0x01,0x05,0x0e,0x24
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# GFX11: v_interp_p10_f16_f32 v0, -v1, v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x02,0xcd,0x01,0x05,0x0e,0x24]
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0x00,0x00,0x02,0xcd,0x01,0x05,0x0e,0x44
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# GFX11: v_interp_p10_f16_f32 v0, v1, -v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x02,0xcd,0x01,0x05,0x0e,0x44]
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0x00,0x00,0x02,0xcd,0x01,0x05,0x0e,0x84
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# GFX11: v_interp_p10_f16_f32 v0, v1, v2, -v3 wait_exp:0 ; encoding: [0x00,0x00,0x02,0xcd,0x01,0x05,0x0e,0x84]
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0x00,0x05,0x03,0xcd,0x01,0x05,0x0e,0x04
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# GFX11: v_interp_p2_f16_f32 v0, v1, v2, v3 wait_exp:5 ; encoding: [0x00,0x05,0x03,0xcd,0x01,0x05,0x0e,0x04]
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0x00,0x00,0x03,0xcd,0x01,0x05,0x0e,0x24
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# GFX11: v_interp_p2_f16_f32 v0, -v1, v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x03,0xcd,0x01,0x05,0x0e,0x24]
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0x00,0x00,0x03,0xcd,0x01,0x05,0x0e,0x44
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# GFX11: v_interp_p2_f16_f32 v0, v1, -v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x03,0xcd,0x01,0x05,0x0e,0x44]
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0x00,0x00,0x03,0xcd,0x01,0x05,0x0e,0x84
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# GFX11: v_interp_p2_f16_f32 v0, v1, v2, -v3 wait_exp:0 ; encoding: [0x00,0x00,0x03,0xcd,0x01,0x05,0x0e,0x84]
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0x00,0x05,0x04,0xcd,0x01,0x05,0x0e,0x04
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# GFX11: v_interp_p10_rtz_f16_f32 v0, v1, v2, v3 wait_exp:5 ; encoding: [0x00,0x05,0x04,0xcd,0x01,0x05,0x0e,0x04]
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0x00,0x00,0x04,0xcd,0x01,0x05,0x0e,0x24
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# GFX11: v_interp_p10_rtz_f16_f32 v0, -v1, v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x04,0xcd,0x01,0x05,0x0e,0x24]
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0x00,0x00,0x04,0xcd,0x01,0x05,0x0e,0x44
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# GFX11: v_interp_p10_rtz_f16_f32 v0, v1, -v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x04,0xcd,0x01,0x05,0x0e,0x44]
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0x00,0x00,0x04,0xcd,0x01,0x05,0x0e,0x84
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# GFX11: v_interp_p10_rtz_f16_f32 v0, v1, v2, -v3 wait_exp:0 ; encoding: [0x00,0x00,0x04,0xcd,0x01,0x05,0x0e,0x84]
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0x00,0x05,0x05,0xcd,0x01,0x05,0x0e,0x04
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# GFX11: v_interp_p2_rtz_f16_f32 v0, v1, v2, v3 wait_exp:5 ; encoding: [0x00,0x05,0x05,0xcd,0x01,0x05,0x0e,0x04]
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0x00,0x00,0x05,0xcd,0x01,0x05,0x0e,0x24
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# GFX11: v_interp_p2_rtz_f16_f32 v0, -v1, v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x05,0xcd,0x01,0x05,0x0e,0x24]
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0x00,0x00,0x05,0xcd,0x01,0x05,0x0e,0x44
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# GFX11: v_interp_p2_rtz_f16_f32 v0, v1, -v2, v3 wait_exp:0 ; encoding: [0x00,0x00,0x05,0xcd,0x01,0x05,0x0e,0x44]
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0x00,0x00,0x05,0xcd,0x01,0x05,0x0e,0x84
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# GFX11: v_interp_p2_rtz_f16_f32 v0, v1, v2, -v3 wait_exp:0 ; encoding: [0x00,0x00,0x05,0xcd,0x01,0x05,0x0e,0x84]

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