1 ; RUN: llc -march=r600 -mcpu=cayman < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s 2 ; RUN: llc -march=r600 -mcpu=redwood < %s | FileCheck -check-prefix=EG -check-prefix=FUNC %s 3 4 ; FUNC-LABEL: {{^}}test_umul24_i32: 5 ; EG: MUL_UINT24 {{[* ]*}}T{{[0-9]\.[XYZW]}}, KC0[2].Z, KC0[2].W 6 define amdgpu_kernel void @test_umul24_i32(i32 addrspace(1)* %out, i32 %a, i32 %b) { 7 entry: 8 %0 = shl i32 %a, 8 9 %a_24 = lshr i32 %0, 8 10 %1 = shl i32 %b, 8 11 %b_24 = lshr i32 %1, 8 12 %2 = mul i32 %a_24, %b_24 13 store i32 %2, i32 addrspace(1)* %out 14 ret void 15 } 16 17 ; The result must be sign-extended. 18 ; FUNC-LABEL: {{^}}test_umul24_i16_sext: 19 ; EG: MUL_UINT24 {{[* ]*}}T{{[0-9]}}.[[MUL_CHAN:[XYZW]]] 20 ; EG: BFE_INT {{[* ]*}}T{{[0-9]}}.{{[XYZW]}}, PV.[[MUL_CHAN]], 0.0, literal.x 21 ; EG: 16 22 define amdgpu_kernel void @test_umul24_i16_sext(i32 addrspace(1)* %out, i16 %a, i16 %b) { 23 entry: 24 %mul = mul i16 %a, %b 25 %ext = sext i16 %mul to i32 26 store i32 %ext, i32 addrspace(1)* %out 27 ret void 28 } 29 30 ; The result must be sign-extended. 31 ; FUNC-LABEL: {{^}}test_umul24_i8: 32 ; EG: MUL_UINT24 {{[* ]*}}T{{[0-9]}}.[[MUL_CHAN:[XYZW]]] 33 ; EG: BFE_INT {{[* ]*}}T{{[0-9]}}.{{[XYZW]}}, PV.[[MUL_CHAN]], 0.0, literal.x 34 define amdgpu_kernel void @test_umul24_i8(i32 addrspace(1)* %out, i8 %a, i8 %b) { 35 entry: 36 %mul = mul i8 %a, %b 37 %ext = sext i8 %mul to i32 38 store i32 %ext, i32 addrspace(1)* %out 39 ret void 40 } 41 42 ; FUNC-LABEL: {{^}}test_umulhi24_i32_i64: 43 ; EG: MULHI_UINT24 {{[* ]*}}T{{[0-9]\.[XYZW]}}, KC0[2].Z, KC0[2].W 44 define amdgpu_kernel void @test_umulhi24_i32_i64(i32 addrspace(1)* %out, i32 %a, i32 %b) { 45 entry: 46 %a.24 = and i32 %a, 16777215 47 %b.24 = and i32 %b, 16777215 48 %a.24.i64 = zext i32 %a.24 to i64 49 %b.24.i64 = zext i32 %b.24 to i64 50 %mul48 = mul i64 %a.24.i64, %b.24.i64 51 %mul48.hi = lshr i64 %mul48, 32 52 %mul24hi = trunc i64 %mul48.hi to i32 53 store i32 %mul24hi, i32 addrspace(1)* %out 54 ret void 55 } 56 57 ; FUNC-LABEL: {{^}}test_umulhi24: 58 ; EG: MULHI_UINT24 {{[* ]*}}T{{[0-9]\.[XYZW]}}, KC0[2].W, KC0[3].Y 59 define amdgpu_kernel void @test_umulhi24(i32 addrspace(1)* %out, i64 %a, i64 %b) { 60 entry: 61 %a.24 = and i64 %a, 16777215 62 %b.24 = and i64 %b, 16777215 63 %mul48 = mul i64 %a.24, %b.24 64 %mul48.hi = lshr i64 %mul48, 32 65 %mul24.hi = trunc i64 %mul48.hi to i32 66 store i32 %mul24.hi, i32 addrspace(1)* %out 67 ret void 68 } 69 70 ; Multiply with 24-bit inputs and 64-bit output. 71 ; FUNC-LABEL: {{^}}test_umul24_i64: 72 ; EG; MUL_UINT24 73 ; EG: MULHI 74 define amdgpu_kernel void @test_umul24_i64(i64 addrspace(1)* %out, i64 %a, i64 %b) { 75 entry: 76 %tmp0 = shl i64 %a, 40 77 %a_24 = lshr i64 %tmp0, 40 78 %tmp1 = shl i64 %b, 40 79 %b_24 = lshr i64 %tmp1, 40 80 %tmp2 = mul i64 %a_24, %b_24 81 store i64 %tmp2, i64 addrspace(1)* %out 82 ret void 83 } 84
