1//===-- call_apsr.h - Helpers for ARM EABI floating point tests -----------===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is dual licensed under the MIT and the University of Illinois Open
6// Source Licenses. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file declares helpers for ARM EABI floating point tests for the
11// compiler_rt library.
12//
13//===----------------------------------------------------------------------===//
14
15#ifndef CALL_APSR_H
16#define CALL_APSR_H
17
18#if __BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__
19#error big endian support not implemented
20#endif
21
22union cpsr {
23    struct {
24        uint32_t filler: 28;
25        uint32_t v: 1;
26        uint32_t c: 1;
27        uint32_t z: 1;
28        uint32_t n: 1;
29    } flags;
30    uint32_t value;
31};
32
33extern __attribute__((pcs("aapcs")))
34uint32_t call_apsr_f(float a, float b, __attribute__((pcs("aapcs"))) void (*fn)(float, float));
35
36extern __attribute__((pcs("aapcs")))
37uint32_t call_apsr_d(double a, double b, __attribute__((pcs("aapcs"))) void (*fn)(double, double));
38
39#endif // CALL_APSR_H
40