diff options
Diffstat (limited to 'compiler-rt/lib/builtins/ve')
| -rw-r--r-- | compiler-rt/lib/builtins/ve/grow_stack.S | 31 | ||||
| -rw-r--r-- | compiler-rt/lib/builtins/ve/grow_stack_align.S | 31 |
2 files changed, 62 insertions, 0 deletions
diff --git a/compiler-rt/lib/builtins/ve/grow_stack.S b/compiler-rt/lib/builtins/ve/grow_stack.S new file mode 100644 index 000000000000..f403798495af --- /dev/null +++ b/compiler-rt/lib/builtins/ve/grow_stack.S @@ -0,0 +1,31 @@ +// 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__ diff --git a/compiler-rt/lib/builtins/ve/grow_stack_align.S b/compiler-rt/lib/builtins/ve/grow_stack_align.S new file mode 100644 index 000000000000..19a1dfa8726c --- /dev/null +++ b/compiler-rt/lib/builtins/ve/grow_stack_align.S @@ -0,0 +1,31 @@ +// 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_align) + subu.l %sp, %sp, %s0 # sp -= alloca size + and %sp, %sp, %s1 # 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_align) + +#endif // __ve__ |