2013-07-23 01:48:42 +00:00
|
|
|
; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=EG-CHECK
|
|
|
|
|
; RUN: llc < %s -march=r600 -mcpu=cayman | FileCheck %s --check-prefix=CM-CHECK
|
2013-10-10 17:11:46 +00:00
|
|
|
; RUN: llc < %s -march=r600 -mcpu=SI -verify-machineinstrs | FileCheck %s --check-prefix=SI-CHECK
|
2013-07-23 01:48:42 +00:00
|
|
|
|
|
|
|
|
; EG-CHECK: @i32_mul24
|
|
|
|
|
; Signed 24-bit multiply is not supported on pre-Cayman GPUs.
|
|
|
|
|
; EG-CHECK: MULLO_INT
|
|
|
|
|
; CM-CHECK: MUL_INT24 {{[ *]*}}T{{[0-9].[XYZW]}}, KC0[2].Z, KC0[2].W
|
|
|
|
|
; SI-CHECK: V_MUL_I32_I24
|
|
|
|
|
define void @i32_mul24(i32 addrspace(1)* %out, i32 %a, i32 %b) {
|
|
|
|
|
entry:
|
|
|
|
|
%0 = shl i32 %a, 8
|
|
|
|
|
%a_24 = ashr i32 %0, 8
|
|
|
|
|
%1 = shl i32 %b, 8
|
|
|
|
|
%b_24 = ashr i32 %1, 8
|
|
|
|
|
%2 = mul i32 %a_24, %b_24
|
|
|
|
|
store i32 %2, i32 addrspace(1)* %out
|
|
|
|
|
ret void
|
|
|
|
|
}
|
