forked from OSchip/llvm-project
67 lines
2.0 KiB
LLVM
67 lines
2.0 KiB
LLVM
; RUN: llc < %s -march=r600 -mcpu=redwood | FileCheck %s --check-prefix=EG --check-prefix=FUNC
|
|
; RUN: llc < %s -march=r600 -mcpu=cayman | FileCheck %s --check-prefix=EG --check-prefix=FUNC
|
|
; RUN: llc < %s -march=r600 -mcpu=SI -verify-machineinstrs | FileCheck %s --check-prefix=SI --check-prefix=FUNC
|
|
|
|
; FUNC-LABEL: {{^}}u32_mul24:
|
|
; EG: MUL_UINT24 {{[* ]*}}T{{[0-9]\.[XYZW]}}, KC0[2].Z, KC0[2].W
|
|
; SI: v_mul_u32_u24
|
|
|
|
define void @u32_mul24(i32 addrspace(1)* %out, i32 %a, i32 %b) {
|
|
entry:
|
|
%0 = shl i32 %a, 8
|
|
%a_24 = lshr i32 %0, 8
|
|
%1 = shl i32 %b, 8
|
|
%b_24 = lshr i32 %1, 8
|
|
%2 = mul i32 %a_24, %b_24
|
|
store i32 %2, i32 addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
; FUNC-LABEL: {{^}}i16_mul24:
|
|
; EG: MUL_UINT24 {{[* ]*}}T{{[0-9]}}.[[MUL_CHAN:[XYZW]]]
|
|
; The result must be sign-extended
|
|
; EG: BFE_INT {{[* ]*}}T{{[0-9]}}.{{[XYZW]}}, PV.[[MUL_CHAN]], 0.0, literal.x
|
|
; EG: 16
|
|
; SI: v_mul_u32_u24_e{{(32|64)}} [[MUL:v[0-9]]], {{[sv][0-9], [sv][0-9]}}
|
|
; SI: v_bfe_i32 v{{[0-9]}}, [[MUL]], 0, 16
|
|
define void @i16_mul24(i32 addrspace(1)* %out, i16 %a, i16 %b) {
|
|
entry:
|
|
%0 = mul i16 %a, %b
|
|
%1 = sext i16 %0 to i32
|
|
store i32 %1, i32 addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
; FUNC-LABEL: {{^}}i8_mul24:
|
|
; EG: MUL_UINT24 {{[* ]*}}T{{[0-9]}}.[[MUL_CHAN:[XYZW]]]
|
|
; The result must be sign-extended
|
|
; EG: BFE_INT {{[* ]*}}T{{[0-9]}}.{{[XYZW]}}, PV.[[MUL_CHAN]], 0.0, literal.x
|
|
; SI: v_mul_u32_u24_e{{(32|64)}} [[MUL:v[0-9]]], {{[sv][0-9], [sv][0-9]}}
|
|
; SI: v_bfe_i32 v{{[0-9]}}, [[MUL]], 0, 8
|
|
|
|
define void @i8_mul24(i32 addrspace(1)* %out, i8 %a, i8 %b) {
|
|
entry:
|
|
%0 = mul i8 %a, %b
|
|
%1 = sext i8 %0 to i32
|
|
store i32 %1, i32 addrspace(1)* %out
|
|
ret void
|
|
}
|
|
|
|
; Multiply with 24-bit inputs and 64-bit output
|
|
; FUNC_LABEL: {{^}}mul24_i64:
|
|
; EG; MUL_UINT24
|
|
; EG: MULHI
|
|
; SI: v_mul_u32_u24
|
|
; FIXME: SI support 24-bit mulhi
|
|
; SI: v_mul_hi_u32
|
|
define void @mul24_i64(i64 addrspace(1)* %out, i64 %a, i64 %b) {
|
|
entry:
|
|
%0 = shl i64 %a, 40
|
|
%a_24 = lshr i64 %0, 40
|
|
%1 = shl i64 %b, 40
|
|
%b_24 = lshr i64 %1, 40
|
|
%2 = mul i64 %a_24, %b_24
|
|
store i64 %2, i64 addrspace(1)* %out
|
|
ret void
|
|
}
|