1 ; RUN: llc < %s -march=amdgcn -verify-machineinstrs | FileCheck %s --check-prefix=SI --check-prefix=FUNC 2 ; RUN: llc < %s -march=amdgcn -mcpu=tonga -verify-machineinstrs | FileCheck %s --check-prefix=SI --check-prefix=FUNC 3 ; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=EG --check-prefix=FUNC 4 ; RUN: llc < %s -march=r600 -mcpu=cayman | FileCheck %s --check-prefix=CM --check-prefix=FUNC 5 6 ; FUNC-LABEL: {{^}}i32_mad24: 7 ; Signed 24-bit multiply is not supported on pre-Cayman GPUs. 8 ; EG: MULLO_INT 9 ; Make sure we aren't masking the inputs. 10 ; CM-NOT: AND 11 ; CM: MULADD_INT24 12 ; SI-NOT: and 13 ; SI: v_mad_i32_i24 14 define void @i32_mad24(i32 addrspace(1)* %out, i32 %a, i32 %b, i32 %c) { 15 entry: 16 %0 = shl i32 %a, 8 17 %a_24 = ashr i32 %0, 8 18 %1 = shl i32 %b, 8 19 %b_24 = ashr i32 %1, 8 20 %2 = mul i32 %a_24, %b_24 21 %3 = add i32 %2, %c 22 store i32 %3, i32 addrspace(1)* %out 23 ret void 24 } 25
