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23 lines
447 B
ArmAsm
23 lines
447 B
ArmAsm
/* https://github.com/cirosantilli/linux-kernel-module-cheat#arm-data-processing-instructions
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*
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* Test. Same as ands, but don't store the result, just update flags.
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*/
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#include <lkmc.h>
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LKMC_PROLOGUE
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/* 0x0F && 0xF0 == 0x00, so beq. */
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mov r0, 0x0F
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tst r0, 0xF0
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LKMC_ASSERT(beq)
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/* bne */
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mov r0, 0xFF
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tst r0, 0x0F
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LKMC_ASSERT(bne)
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/* r0 was not modified. */
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LKMC_ASSERT_EQ(r0, =0xFF)
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LKMC_EPILOGUE
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