4684ddb6aa
- import libcxx - reduce targets to the one when compiled as a tools Change-Id: Iabb8427f80ff8e89463559a28bcb8b4f2bdbc496
40 lines
1.4 KiB
ArmAsm
40 lines
1.4 KiB
ArmAsm
//===-- aeabi_dcmp.S - EABI dcmp* implementation ---------------------------===//
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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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#include "../assembly.h"
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// int __aeabi_dcmp{eq,lt,le,ge,gt}(double a, double b) {
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// int result = __{eq,lt,le,ge,gt}df2(a, b);
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// if (result {==,<,<=,>=,>} 0) {
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// return 1;
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// } else {
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// return 0;
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// }
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// }
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#define DEFINE_AEABI_DCMP(cond) \
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.syntax unified SEPARATOR \
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.align 2 SEPARATOR \
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DEFINE_COMPILERRT_FUNCTION(__aeabi_dcmp ## cond) \
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push { r4, lr } SEPARATOR \
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bl SYMBOL_NAME(__ ## cond ## df2) SEPARATOR \
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cmp r0, #0 SEPARATOR \
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b ## cond 1f SEPARATOR \
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mov r0, #0 SEPARATOR \
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pop { r4, pc } SEPARATOR \
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1: SEPARATOR \
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mov r0, #1 SEPARATOR \
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pop { r4, pc }
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DEFINE_AEABI_DCMP(eq)
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DEFINE_AEABI_DCMP(lt)
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DEFINE_AEABI_DCMP(le)
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DEFINE_AEABI_DCMP(ge)
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DEFINE_AEABI_DCMP(gt)
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