| //===-- call_apsr.S - Helpers for ARM EABI floating point tests -----------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file implements helpers for ARM EABI floating point tests for the |
| // compiler_rt library. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "../../../../lib/builtins/assembly.h" |
| |
| .syntax unified |
| // __attribute__((pcs("aapcs"))) |
| // int32_t call_apsr_d(double a, double b, void(*fn)(double, double)) { |
| // fn(a, b); |
| // return apsr; |
| // } |
| |
| DEFINE_COMPILERRT_PRIVATE_FUNCTION(call_apsr_d) |
| push {r7, lr} |
| ldr r7, [sp, #8] |
| blx r7 |
| mrs r0, apsr |
| pop {r7, pc} |
| END_COMPILERRT_FUNCTION(call_apsr_d) |
| |
| // __attribute__((pcs("aapcs"))) |
| // int32_t call_apsr_f(float a, float b, void(*fn)(float, float)) { |
| // fn(a, b); |
| // return apsr; |
| // } |
| |
| DEFINE_COMPILERRT_PRIVATE_FUNCTION(call_apsr_f) |
| push {lr} |
| blx r2 |
| mrs r0, apsr |
| pop {pc} |
| END_COMPILERRT_FUNCTION(call_apsr_f) |
