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27 lines
526 B
ArmAsm
27 lines
526 B
ArmAsm
/* https://cirosantilli.com/linux-kernel-module-cheat#x86-x87-fpu-instructions */
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#include <lkmc.h>
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.data
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double_1_41: .double 1.41
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double_1_42: .double 1.42
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double_2_0: .double 2.0
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double_4_0: .double 4.0
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LKMC_PROLOGUE
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/* sqrt(4) == 4 */
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fldl double_4_0
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fsqrt
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fldl double_2_0
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fcomip %st(1)
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LKMC_ASSERT(je)
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/* 1.41 < sqrt(2) < 1.42 */
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fsqrt
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fldl double_1_41
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fcomip %st(1)
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LKMC_ASSERT(jbe)
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fldl double_1_42
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fcomip %st(1)
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LKMC_ASSERT(jae)
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LKMC_EPILOGUE
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