f4341a5a66
builtins, and also the various sanitizers. Support for these will be added in a later commit.
41 lines
1.5 KiB
ArmAsm
41 lines
1.5 KiB
ArmAsm
//===-- aeabi_fcmp.S - EABI fcmp* 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_fcmp{eq,lt,le,ge,gt}(float a, float b) {
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// int result = __{eq,lt,le,ge,gt}sf2(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_FCMP(cond) \
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.syntax unified SEPARATOR \
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.p2align 2 SEPARATOR \
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DEFINE_COMPILERRT_FUNCTION(__aeabi_fcmp ## cond) \
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push { r4, lr } SEPARATOR \
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bl SYMBOL_NAME(__ ## cond ## sf2) 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 } SEPARATOR \
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END_COMPILERRT_FUNCTION(__aeabi_fcmp ## cond)
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DEFINE_AEABI_FCMP(eq)
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DEFINE_AEABI_FCMP(lt)
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DEFINE_AEABI_FCMP(le)
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DEFINE_AEABI_FCMP(ge)
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DEFINE_AEABI_FCMP(gt)
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