1// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 2// See https://llvm.org/LICENSE.txt for license information. 3// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 4 5#include "../assembly.h" 6 7// grow_stack routine 8// This routine is VE specific 9// https://www.nec.com/en/global/prod/hpc/aurora/document/VE-ABI_v1.1.pdf 10 11// destroy %s62 and %s63 only 12 13#ifdef __ve__ 14 15.text 16.p2align 4 17DEFINE_COMPILERRT_FUNCTION(__ve_grow_stack) 18 subu.l %sp, %sp, %s0 # sp -= alloca size 19 and %sp, -16, %sp # align sp 20 brge.l.t %sp, %sl, 1f 21 ld %s63, 0x18(,%tp) # load param area 22 lea %s62, 0x13b # syscall # of grow 23 shm.l %s62, 0x0(%s63) # stored at addr:0 24 shm.l %sl, 0x8(%s63) # old limit at addr:8 25 shm.l %sp, 0x10(%s63) # new limit at addr:16 26 monc 271: 28 b.l (,%lr) 29END_COMPILERRT_FUNCTION(__ve_grow_stack) 30 31#endif // __ve__ 32