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35 lines
620 B
ArmAsm
35 lines
620 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_0: .double 1.0
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double_2_5: .double 2.5
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double_4_0: .double 4.0
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LKMC_PROLOGUE
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fldl double_4_0
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/* ST0 = 4.0 */
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fldl double_2_5
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/* ST0 = 2.5
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* ST1 = 4.0 */
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fldl double_1_0
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/* ST0 = 1.0
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* ST1 = 2.5
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* ST2 = 4.0 */
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/* ST0 = 1 * 2 ^ (RoundTowardZero(2.5))
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* = 1 * 2 ^ 2
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* = 4 */
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fscale
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/* ST0 = 4.0
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* ST1 = 2.5
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* ST2 = 4.0 */
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fcomip %st(2)
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/* ST0 = 4.0
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* ST1 = 2.5 */
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LKMC_ASSERT(je)
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LKMC_EPILOGUE
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