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/* ===-- cmpdi2.c - Implement __cmpdi2 -------------------------------------=== |
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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 __cmpdi2 for the compiler_rt library. |
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* |
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* ===----------------------------------------------------------------------=== |
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*/ |
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#include "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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__cmpdi2(di_int a, di_int b) |
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{ |
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dwords x; |
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x.all = a; |
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dwords 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_lcmp(di_int a, di_int b) |
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{ |
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return __cmpdi2(a, b) - 1; |
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} |
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#endif |
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