llvm-project/compiler-rt/lib/builtins/hexagon/udivsi3.S

57 lines
1.0 KiB
ArmAsm

//===----------------------Hexagon builtin routine ------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
.macro FUNCTION_BEGIN name
.text
.p2align 5
.globl \name
.type \name, @function
\name:
.endm
.macro FUNCTION_END name
.size \name, . - \name
.endm
FUNCTION_BEGIN __hexagon_udivsi3
{
r2 = cl0(r0)
r3 = cl0(r1)
r5:4 = combine(#1,#0)
p0 = cmp.gtu(r1,r0)
}
{
r6 = sub(r3,r2)
r4 = r1
r1:0 = combine(r0,r4)
if (p0) jumpr r31
}
{
r3:2 = vlslw(r5:4,r6)
loop0(1f,r6)
}
.falign
1:
{
p0 = cmp.gtu(r2,r1)
if (!p0.new) r1 = sub(r1,r2)
if (!p0.new) r0 = add(r0,r3)
r3:2 = vlsrw(r3:2,#1)
}:endloop0
{
p0 = cmp.gtu(r2,r1)
if (!p0.new) r0 = add(r0,r3)
jumpr r31
}
FUNCTION_END __hexagon_udivsi3
.globl __qdsp_udivsi3
.set __qdsp_udivsi3, __hexagon_udivsi3