1*5ffd83dbSDimitry Andric// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 2*5ffd83dbSDimitry Andric// See https://llvm.org/LICENSE.txt for license information. 3*5ffd83dbSDimitry Andric// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 4*5ffd83dbSDimitry Andric 5*5ffd83dbSDimitry Andric#include "../assembly.h" 6*5ffd83dbSDimitry Andric 7*5ffd83dbSDimitry Andric// grow_stack routine 8*5ffd83dbSDimitry Andric// This routine is VE specific 9*5ffd83dbSDimitry Andric// https://www.nec.com/en/global/prod/hpc/aurora/document/VE-ABI_v1.1.pdf 10*5ffd83dbSDimitry Andric 11*5ffd83dbSDimitry Andric// destroy %s62 and %s63 only 12*5ffd83dbSDimitry Andric 13*5ffd83dbSDimitry Andric#ifdef __ve__ 14*5ffd83dbSDimitry Andric 15*5ffd83dbSDimitry Andric.text 16*5ffd83dbSDimitry Andric.p2align 4 17*5ffd83dbSDimitry AndricDEFINE_COMPILERRT_FUNCTION(__ve_grow_stack) 18*5ffd83dbSDimitry Andric subu.l %sp, %sp, %s0 # sp -= alloca size 19*5ffd83dbSDimitry Andric and %sp, -16, %sp # align sp 20*5ffd83dbSDimitry Andric brge.l.t %sp, %sl, 1f 21*5ffd83dbSDimitry Andric ld %s63, 0x18(,%tp) # load param area 22*5ffd83dbSDimitry Andric lea %s62, 0x13b # syscall # of grow 23*5ffd83dbSDimitry Andric shm.l %s62, 0x0(%s63) # stored at addr:0 24*5ffd83dbSDimitry Andric shm.l %sl, 0x8(%s63) # old limit at addr:8 25*5ffd83dbSDimitry Andric shm.l %sp, 0x10(%s63) # new limit at addr:16 26*5ffd83dbSDimitry Andric monc 27*5ffd83dbSDimitry Andric1: 28*5ffd83dbSDimitry Andric b.l (,%lr) 29*5ffd83dbSDimitry AndricEND_COMPILERRT_FUNCTION(__ve_grow_stack) 30*5ffd83dbSDimitry Andric 31*5ffd83dbSDimitry Andric#endif // __ve__ 32