55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
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/* clang-format off */
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/* ===-- ucmpdi2.c - Implement __ucmpdi2 -----------------------------------===
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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 __ucmpdi2 for the compiler_rt library.
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*
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* ===----------------------------------------------------------------------===
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*/
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STATIC_YOINK("huge_compiler_rt_license");
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#include "third_party/compiler_rt/int_lib.h"
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/* Returns: if (a < b) returns 0
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* if (a == b) returns 1
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* if (a > b) returns 2
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*/
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COMPILER_RT_ABI si_int
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__ucmpdi2(du_int a, du_int b)
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{
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udwords x;
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x.all = a;
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udwords y;
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y.all = b;
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if (x.s.high < y.s.high)
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return 0;
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if (x.s.high > y.s.high)
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return 2;
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if (x.s.low < y.s.low)
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return 0;
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if (x.s.low > y.s.low)
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return 2;
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return 1;
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}
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#ifdef __ARM_EABI__
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/* Returns: if (a < b) returns -1
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* if (a == b) returns 0
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* if (a > b) returns 1
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*/
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COMPILER_RT_ABI si_int
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__aeabi_ulcmp(di_int a, di_int b)
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{
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return __ucmpdi2(a, b) - 1;
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}
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#endif
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