| Matt Arsenault | 6689abe | 2016-05-05 20:07:37 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=amdgcn -verify-machineinstrs | FileCheck %s --check-prefix=SI --check-prefix=FUNC |
| Matt Arsenault | 7aad8fd | 2017-01-24 22:02:15 +0000 | [diff] [blame] | 2 | ; RUN: llc < %s -march=amdgcn -mcpu=tonga -mattr=-flat-for-global -verify-machineinstrs | FileCheck %s --check-prefix=SI --check-prefix=FUNC |
| Tom Stellard | 50122a5 | 2014-04-07 19:45:41 +0000 | [diff] [blame] | 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 |
| Tom Stellard | 5263948 | 2013-07-23 01:48:49 +0000 | [diff] [blame] | 5 | |
| Tom Stellard | 79243d9 | 2014-10-01 17:15:17 +0000 | [diff] [blame] | 6 | ; FUNC-LABEL: {{^}}i32_mad24: |
| Tom Stellard | 5263948 | 2013-07-23 01:48:49 +0000 | [diff] [blame] | 7 | ; Signed 24-bit multiply is not supported on pre-Cayman GPUs. |
| Tom Stellard | 50122a5 | 2014-04-07 19:45:41 +0000 | [diff] [blame] | 8 | ; EG: MULLO_INT |
| 9 | ; Make sure we aren't masking the inputs. |
| 10 | ; CM-NOT: AND |
| 11 | ; CM: MULADD_INT24 |
| Tom Stellard | 326d6ec | 2014-11-05 14:50:53 +0000 | [diff] [blame] | 12 | ; SI-NOT: and |
| 13 | ; SI: v_mad_i32_i24 |
| Matt Arsenault | 3dbeefa | 2017-03-21 21:39:51 +0000 | [diff] [blame] | 14 | define amdgpu_kernel void @i32_mad24(i32 addrspace(1)* %out, i32 %a, i32 %b, i32 %c) { |
| Tom Stellard | 5263948 | 2013-07-23 01:48:49 +0000 | [diff] [blame] | 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 | } |