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linux-kernel-module-cheat/userland/arch/arm/s_suffix.S
Ciro Santilli 六四事件 法轮功 64855767b4 arm assembly: move some more in
2019-05-12 00:00:06 +00:00

36 lines
557 B
ArmAsm

/* https://github.com/cirosantilli/linux-kernel-module-cheat#s-suffix */
#include "common.h"
ENTRY
/* Result is 0, set beq. */
movs r0, 0
ASSERT(beq)
/* The opposite. */
movs r0, 1
ASSERT(bne)
/* mov without s does not set the status. */
movs r0, 0
mov r0, 1
ASSERT(beq)
/* movs still moves... */
mov r0, 0
movs r0, 1
ASSERT_EQ(r0, 1)
/* add: the result is 0. */
mov r0, 1
adds r0, -1
ASSERT(beq)
/* add: result non 0. */
mov r0, 1
adds r0, 1
ASSERT(bne)
EXIT