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//===----------------------Hexagon builtin routine ------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
.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_divsi3
{
p0 = cmp.ge(r0,#0)
p1 = cmp.ge(r1,#0)
r1 = abs(r0)
r2 = abs(r1)
}
{
r3 = cl0(r1)
r4 = cl0(r2)
r5 = sub(r1,r2)
p2 = cmp.gtu(r2,r1)
}
#if (__HEXAGON_ARCH__ == 60)
{
r0 = #0
p1 = xor(p0,p1)
p0 = cmp.gtu(r2,r5)
}
if (p2) jumpr r31
#else
{
r0 = #0
p1 = xor(p0,p1)
p0 = cmp.gtu(r2,r5)
if (p2) jumpr r31
}
#endif
{
r0 = mux(p1,#-1,#1)
if (p0) jumpr r31
r4 = sub(r4,r3)
r3 = #1
}
{
r0 = #0
r3:2 = vlslw(r3:2,r4)
loop0(1f,r4)
}
.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)
if (!p1) jumpr r31
}
{
r0 = neg(r0)
jumpr r31
}
FUNCTION_END __hexagon_divsi3
.globl __qdsp_divsi3
.set __qdsp_divsi3, __hexagon_divsi3
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