1*0b57cec5SDimitry Andric//===----------------------Hexagon builtin routine ------------------------===// 2*0b57cec5SDimitry Andric// 3*0b57cec5SDimitry Andric// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4*0b57cec5SDimitry Andric// See https://llvm.org/LICENSE.txt for license information. 5*0b57cec5SDimitry Andric// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6*0b57cec5SDimitry Andric// 7*0b57cec5SDimitry Andric//===----------------------------------------------------------------------===// 8*0b57cec5SDimitry Andric 9*0b57cec5SDimitry Andric 10*0b57cec5SDimitry Andric 11*0b57cec5SDimitry Andric .macro FUNCTION_BEGIN name 12*0b57cec5SDimitry Andric .text 13*0b57cec5SDimitry Andric .p2align 5 14*0b57cec5SDimitry Andric .globl \name 15*0b57cec5SDimitry Andric .type \name, @function 16*0b57cec5SDimitry Andric\name: 17*0b57cec5SDimitry Andric .endm 18*0b57cec5SDimitry Andric 19*0b57cec5SDimitry Andric .macro FUNCTION_END name 20*0b57cec5SDimitry Andric .size \name, . - \name 21*0b57cec5SDimitry Andric .endm 22*0b57cec5SDimitry Andric 23*0b57cec5SDimitry Andric 24*0b57cec5SDimitry AndricFUNCTION_BEGIN __hexagon_divsi3 25*0b57cec5SDimitry Andric { 26*0b57cec5SDimitry Andric p0 = cmp.ge(r0,#0) 27*0b57cec5SDimitry Andric p1 = cmp.ge(r1,#0) 28*0b57cec5SDimitry Andric r1 = abs(r0) 29*0b57cec5SDimitry Andric r2 = abs(r1) 30*0b57cec5SDimitry Andric } 31*0b57cec5SDimitry Andric { 32*0b57cec5SDimitry Andric r3 = cl0(r1) 33*0b57cec5SDimitry Andric r4 = cl0(r2) 34*0b57cec5SDimitry Andric r5 = sub(r1,r2) 35*0b57cec5SDimitry Andric p2 = cmp.gtu(r2,r1) 36*0b57cec5SDimitry Andric } 37*0b57cec5SDimitry Andric#if (__HEXAGON_ARCH__ == 60) 38*0b57cec5SDimitry Andric { 39*0b57cec5SDimitry Andric r0 = #0 40*0b57cec5SDimitry Andric p1 = xor(p0,p1) 41*0b57cec5SDimitry Andric p0 = cmp.gtu(r2,r5) 42*0b57cec5SDimitry Andric } 43*0b57cec5SDimitry Andric if (p2) jumpr r31 44*0b57cec5SDimitry Andric#else 45*0b57cec5SDimitry Andric { 46*0b57cec5SDimitry Andric r0 = #0 47*0b57cec5SDimitry Andric p1 = xor(p0,p1) 48*0b57cec5SDimitry Andric p0 = cmp.gtu(r2,r5) 49*0b57cec5SDimitry Andric if (p2) jumpr r31 50*0b57cec5SDimitry Andric } 51*0b57cec5SDimitry Andric#endif 52*0b57cec5SDimitry Andric { 53*0b57cec5SDimitry Andric r0 = mux(p1,#-1,#1) 54*0b57cec5SDimitry Andric if (p0) jumpr r31 55*0b57cec5SDimitry Andric r4 = sub(r4,r3) 56*0b57cec5SDimitry Andric r3 = #1 57*0b57cec5SDimitry Andric } 58*0b57cec5SDimitry Andric { 59*0b57cec5SDimitry Andric r0 = #0 60*0b57cec5SDimitry Andric r3:2 = vlslw(r3:2,r4) 61*0b57cec5SDimitry Andric loop0(1f,r4) 62*0b57cec5SDimitry Andric } 63*0b57cec5SDimitry Andric .falign 64*0b57cec5SDimitry Andric1: 65*0b57cec5SDimitry Andric { 66*0b57cec5SDimitry Andric p0 = cmp.gtu(r2,r1) 67*0b57cec5SDimitry Andric if (!p0.new) r1 = sub(r1,r2) 68*0b57cec5SDimitry Andric if (!p0.new) r0 = add(r0,r3) 69*0b57cec5SDimitry Andric r3:2 = vlsrw(r3:2,#1) 70*0b57cec5SDimitry Andric }:endloop0 71*0b57cec5SDimitry Andric { 72*0b57cec5SDimitry Andric p0 = cmp.gtu(r2,r1) 73*0b57cec5SDimitry Andric if (!p0.new) r0 = add(r0,r3) 74*0b57cec5SDimitry Andric if (!p1) jumpr r31 75*0b57cec5SDimitry Andric } 76*0b57cec5SDimitry Andric { 77*0b57cec5SDimitry Andric r0 = neg(r0) 78*0b57cec5SDimitry Andric jumpr r31 79*0b57cec5SDimitry Andric } 80*0b57cec5SDimitry AndricFUNCTION_END __hexagon_divsi3 81*0b57cec5SDimitry Andric 82*0b57cec5SDimitry Andric .globl __qdsp_divsi3 83*0b57cec5SDimitry Andric .set __qdsp_divsi3, __hexagon_divsi3 84