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Fix compiler runtime for _Float16 type

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Justine Tunney 2024-02-27 06:31:16 -08:00
parent 0ef36489c8
commit 64a9e6fe56
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14 changed files with 797 additions and 53 deletions
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25
third_party/compiler_rt/truncsfhf2.c vendored
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@ -1,34 +1,27 @@
//===-- lib/truncsfhf2.c - single -> half conversion --------------*- C -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
// 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
//
//===----------------------------------------------------------------------===//
__static_yoink("huge_compiler_rt_license");
#define SRC_SINGLE
#define DST_HALF
#include "third_party/compiler_rt/fp_trunc_impl.inc"
#include "fp16_trunc_impl.inc"
// Use a forwarding definition and noinline to implement a poor man's alias,
// as there isn't a good cross-platform way of defining one.
COMPILER_RT_ABI __attribute__((__noinline__)) uint16_t __truncsfhf2(float a) {
return __truncXfYf2__(a);
COMPILER_RT_ABI NOINLINE dst_t __truncsfhf2(float a) {
return __truncXfYf2__(a);
}
COMPILER_RT_ABI uint16_t __gnu_f2h_ieee(float a) {
return __truncsfhf2(a);
}
COMPILER_RT_ABI dst_t __gnu_f2h_ieee(float a) { return __truncsfhf2(a); }
#if defined(__ARM_EABI__)
#if defined(COMPILER_RT_ARMHF_TARGET)
AEABI_RTABI uint16_t __aeabi_f2h(float a) {
return __truncsfhf2(a);
}
AEABI_RTABI dst_t __aeabi_f2h(float a) { return __truncsfhf2(a); }
#else
AEABI_RTABI uint16_t __aeabi_f2h(float a) COMPILER_RT_ALIAS(__truncsfhf2);
COMPILER_RT_ALIAS(__truncsfhf2, __aeabi_f2h)
#endif
#endif