| 1 | //===-- fixunssfdi.c - Implement __fixunssfdi -----------------------------===// |
|---|
| 2 | // |
|---|
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
|---|
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
|---|
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
|---|
| 6 | // |
|---|
| 7 | //===----------------------------------------------------------------------===// |
|---|
| 8 | |
|---|
| 9 | #define SINGLE_PRECISION |
|---|
| 10 | #include "fp_lib.h" |
|---|
| 11 | |
|---|
| 12 | #ifndef __SOFTFP__ |
|---|
| 13 | // Support for systems that have hardware floating-point; can set the invalid |
|---|
| 14 | // flag as a side-effect of computation. |
|---|
| 15 | |
|---|
| 16 | COMPILER_RT_ABI du_int __fixunssfdi(float a) { |
|---|
| 17 | if (a <= 0.0f) |
|---|
| 18 | return 0; |
|---|
| 19 | double da = a; |
|---|
| 20 | su_int high = da / 4294967296.f; // da / 0x1p32f; |
|---|
| 21 | su_int low = da - (double)high * 4294967296.f; // high * 0x1p32f; |
|---|
| 22 | return ((du_int)high << 32) | low; |
|---|
| 23 | } |
|---|
| 24 | |
|---|
| 25 | #else |
|---|
| 26 | // Support for systems that don't have hardware floating-point; there are no |
|---|
| 27 | // flags to set, and we don't want to code-gen to an unknown soft-float |
|---|
| 28 | // implementation. |
|---|
| 29 | |
|---|
| 30 | typedef du_int fixuint_t; |
|---|
| 31 | #include "fp_fixuint_impl.inc" |
|---|
| 32 | |
|---|
| 33 | COMPILER_RT_ABI du_int __fixunssfdi(fp_t a) { return __fixuint(a); } |
|---|
| 34 | |
|---|
| 35 | #endif |
|---|
| 36 | |
|---|
| 37 | #if defined(__ARM_EABI__) |
|---|
| 38 | #if defined(COMPILER_RT_ARMHF_TARGET) |
|---|
| 39 | AEABI_RTABI du_int __aeabi_f2ulz(fp_t a) { return __fixunssfdi(a); } |
|---|
| 40 | #else |
|---|
| 41 | COMPILER_RT_ALIAS(__fixunssfdi, __aeabi_f2ulz) |
|---|
| 42 | #endif |
|---|
| 43 | #endif |
|---|
| 44 | |
|---|
| 45 | #if defined(__MINGW32__) && defined(__arm__) |
|---|
| 46 | COMPILER_RT_ALIAS(__fixunssfdi, __stou64) |
|---|
| 47 | #endif |
|---|
| 48 | |
|---|
