forked from OSchip/llvm-project
32 lines
1.1 KiB
ArmAsm
32 lines
1.1 KiB
ArmAsm
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#include "../assembly.h"
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// grow_stack routine
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// This routine is VE specific
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// https://www.nec.com/en/global/prod/hpc/aurora/document/VE-ABI_v1.1.pdf
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// destroy %s62 and %s63 only
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#ifdef __ve__
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.text
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.p2align 4
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DEFINE_COMPILERRT_FUNCTION(__ve_grow_stack)
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subu.l %sp, %sp, %s0 # sp -= alloca size
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and %sp, -16, %sp # align sp
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brge.l.t %sp, %sl, 1f
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ld %s63, 0x18(,%tp) # load param area
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lea %s62, 0x13b # syscall # of grow
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shm.l %s62, 0x0(%s63) # stored at addr:0
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shm.l %sl, 0x8(%s63) # old limit at addr:8
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shm.l %sp, 0x10(%s63) # new limit at addr:16
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monc
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1:
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b.l (,%lr)
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END_COMPILERRT_FUNCTION(__ve_grow_stack)
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#endif // __ve__
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