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29 lines
611 B
ArmAsm
29 lines
611 B
ArmAsm
.text
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.align 2
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.global fetch_and_add_arm
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.type fetch_and_add_arm, %function
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fetch_and_add_arm:
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#ifdef __TINYC__
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.int 0xf57ff05b
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.int 0xe1903f9f
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.int 0xe0833001
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.int 0xe1802f93
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.int 0xe3520000
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.int 0x1afffffa
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.int 0xf57ff05b
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.int 0xe12fff1e
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#else
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.arch armv7-a
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dmb ish
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.L0:
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ldrex r3, [r0]
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add r3, r3, r1
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strex r2, r3, [r0]
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cmp r2, #0
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bne .L0
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dmb ish
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bx lr
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#endif
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.size fetch_and_add_arm, .-fetch_and_add_arm
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