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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
30 lines
973 B
C
30 lines
973 B
C
/* clang-format off */
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//===-- lib/subtf3.c - Quad-precision subtraction -----------------*- C -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements quad-precision soft-float subtraction with the
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// IEEE-754 default rounding (to nearest, ties to even).
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//
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//===----------------------------------------------------------------------===//
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__static_yoink("huge_compiler_rt_license");
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#define QUAD_PRECISION
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#include "third_party/compiler_rt/fp_lib.inc"
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#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT)
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COMPILER_RT_ABI fp_t __addtf3(fp_t a, fp_t b);
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// Subtraction; flip the sign bit of b and add.
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COMPILER_RT_ABI fp_t
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__subtf3(fp_t a, fp_t b) {
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return __addtf3(a, fromRep(toRep(b) ^ signBit));
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}
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#endif
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