FreeCalypso > hg > freecalypso-tools
view target-utils/libc/memcmp.S @ 432:5484dab78c33
doc/Rvinterf-tools write-up added
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sun, 04 Nov 2018 09:58:50 +0000 |
parents | a675cec34076 |
children |
line wrap: on
line source
.text .code 32 .globl bcmp .globl memcmp bcmp: memcmp: cmp r2, #0 beq zero_len_out mov r3, r0 1: ldrb r0, [r3], #1 ldrb r12, [r1], #1 subs r0, r0, r12 bxne lr subs r2, r2, #1 bne 1b bx lr zero_len_out: mov r0, #0 bx lr