| // 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__ |
