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@@ -19,9 +19,9 @@
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mov r3, r2, lsl r3 @ create mask
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1: ldrexb r2, [r1]
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ands r0, r2, r3 @ save old value of bit
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- \instr ip, r2, r3 @ toggle bit
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- strexb r2, ip, [r1]
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- cmp r2, #0
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+ \instr r2, r2, r3 @ toggle bit
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+ strexb ip, r2, [r1]
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+ cmp ip, #0
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bne 1b
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cmp r0, #0
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movne r0, #1
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Linus Torvalds