mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 11:37:35 +00:00
7e0a09feec
This change ports APE Loader to Linux AARCH64, so that Raspberry Pi users can run programs like redbean, without the executable needing to modify itself. Progress has also slipped into this change on the issue of making progress better conforming to user expectations and industry standards regarding which symbols we're allowed to declare
35 lines
1.1 KiB
C
35 lines
1.1 KiB
C
/* clang-format off */
|
|
//===-- lib/subsf3.c - Single-precision subtraction ---------------*- 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.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements single-precision soft-float subtraction with the
|
|
// IEEE-754 default rounding (to nearest, ties to even).
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
__static_yoink("huge_compiler_rt_license");
|
|
|
|
#define SINGLE_PRECISION
|
|
#include "third_party/compiler_rt/fp_lib.inc"
|
|
|
|
// Subtraction; flip the sign bit of b and add.
|
|
COMPILER_RT_ABI fp_t
|
|
__subsf3(fp_t a, fp_t b) {
|
|
return __addsf3(a, fromRep(toRep(b) ^ signBit));
|
|
}
|
|
|
|
#if defined(__ARM_EABI__)
|
|
#if defined(COMPILER_RT_ARMHF_TARGET)
|
|
AEABI_RTABI fp_t __aeabi_fsub(fp_t a, fp_t b) {
|
|
return __subsf3(a, b);
|
|
}
|
|
#else
|
|
AEABI_RTABI fp_t __aeabi_fsub(fp_t a, fp_t b) COMPILER_RT_ALIAS(__subsf3);
|
|
#endif
|
|
#endif
|