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// 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
#include "../assembly.h"
// grow_stack routine
// This routine is VE specific
// https://www.nec.com/en/global/prod/hpc/aurora/document/VE-ABI_v1.1.pdf
// destroy %s62 and %s63 only
#ifdef __ve__
.text
.p2align 4
DEFINE_COMPILERRT_FUNCTION(__ve_grow_stack)
subu.l %sp, %sp, %s0 # sp -= alloca size
and %sp, -16, %sp # align sp
brge.l.t %sp, %sl, 1f
ld %s63, 0x18(,%tp) # load param area
lea %s62, 0x13b # syscall # of grow
shm.l %s62, 0x0(%s63) # stored at addr:0
shm.l %sl, 0x8(%s63) # old limit at addr:8
shm.l %sp, 0x10(%s63) # new limit at addr:16
monc
1:
b.l (,%lr)
END_COMPILERRT_FUNCTION(__ve_grow_stack)
#endif // __ve__
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