projects / rustc.git / blame
| Commit | Line | Data |
|---|---|---|
| 92a42be0 SL |
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 | ||
| 22 | union 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 | ||
| 33 | extern __attribute__((pcs("aapcs"))) | |
| 34 | uint32_t call_apsr_f(float a, float b, __attribute__((pcs("aapcs"))) void (*fn)(float, float)); | |
| 35 | ||
| 36 | extern __attribute__((pcs("aapcs"))) | |
| 37 | uint32_t call_apsr_d(double a, double b, __attribute__((pcs("aapcs"))) void (*fn)(double, double)); | |
| 38 | ||
| 39 | #endif // CALL_APSR_H |