1//===----------------------Hexagon builtin routine ------------------------===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8 9 .macro FUNCTION_BEGIN name 10 .text 11 .p2align 5 12 .globl \name 13 .type \name, @function 14\name: 15 .endm 16 17 .macro FUNCTION_END name 18 .size \name, . - \name 19 .endm 20 21#define Q6_ALIAS(TAG) .global __qdsp_##TAG ; .set __qdsp_##TAG, __hexagon_##TAG 22#define FAST_ALIAS(TAG) .global __hexagon_fast_##TAG ; .set __hexagon_fast_##TAG, __hexagon_##TAG 23#define FAST2_ALIAS(TAG) .global __hexagon_fast2_##TAG ; .set __hexagon_fast2_##TAG, __hexagon_##TAG 24 25FUNCTION_BEGIN __hexagon_divsf3 26 { 27 r2,p0 = sfrecipa(r0,r1) 28 r4 = sffixupd(r0,r1) 29 r3 = ##0x3f800000 // 1.0 30 } 31 { 32 r5 = sffixupn(r0,r1) 33 r3 -= sfmpy(r4,r2):lib // 1-(den/recip) yields error? 34 r6 = ##0x80000000 35 r7 = r3 36 } 37 { 38 r2 += sfmpy(r3,r2):lib 39 r3 = r7 40 r6 = r5 41 r0 = and(r6,r5) 42 } 43 { 44 r3 -= sfmpy(r4,r2):lib 45 r0 += sfmpy(r5,r2):lib 46 } 47 { 48 r2 += sfmpy(r3,r2):lib 49 r6 -= sfmpy(r0,r4):lib 50 } 51 { 52 r0 += sfmpy(r6,r2):lib 53 } 54 { 55 r5 -= sfmpy(r0,r4):lib 56 } 57 { 58 r0 += sfmpy(r5,r2,p0):scale 59 jumpr r31 60 } 61FUNCTION_END __hexagon_divsf3 62 63Q6_ALIAS(divsf3) 64FAST_ALIAS(divsf3) 65FAST2_ALIAS(divsf3) 66