FreeCalypso > hg > freecalypso-tools
view target-utils/libc/memcmp.S @ 479:f2a040324509
Makefile hierarchy: CFLAGS override-ability actually works now
The original version was broken in that CFLAGS=${CFLAGS} passing was
done without quotes, which breaks as soon as there is a space in the
user-set CFLAGS. Changing it to CFLAGS="${CFLAGS}" makes it work
as originally intended.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Thu, 14 Feb 2019 04:59:23 +0000 |
parents | a675cec34076 |
children |
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.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