From: "Érico Nogueira" <ericonr@disroot.org>
To: musl@lists.openwall.com
Cc: "Érico Nogueira" <ericonr@disroot.org>
Subject: [musl] [PATCH] shorten __aeabi_memset by one instruction
Date: Tue, 20 Apr 2021 16:15:19 -0300 [thread overview]
Message-ID: <20210420191519.23822-5-ericonr@disroot.org> (raw)
In-Reply-To: <20210420191519.23822-1-ericonr@disroot.org>
when building for armhf, this makes libc.so text smaller by 4 bytes:
606619 to 606615
---
src/string/arm/__aeabi_memset.s | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/src/string/arm/__aeabi_memset.s b/src/string/arm/__aeabi_memset.s
index f9f60583..980774e8 100644
--- a/src/string/arm/__aeabi_memset.s
+++ b/src/string/arm/__aeabi_memset.s
@@ -24,8 +24,7 @@ __aeabi_memset:
cmp r1, #0
beq 2f
adds r1, r0, r1
-1: strb r2, [r0]
- adds r0, r0, #1
+1: strb r2, [r0], #1
cmp r1, r0
bne 1b
2: bx lr
--
2.31.1
next prev parent reply other threads:[~2021-04-20 19:16 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-20 19:15 [musl] [PATCH] add pthread_getname_np function Érico Nogueira
2021-04-20 19:15 ` [musl] [PATCH v2] define __STDC_UTF_{16,32}__ macros Érico Nogueira
2021-04-20 19:15 ` [musl] [PATCH] extend gethostid beyond a stub Érico Nogueira
2021-04-20 19:15 ` [musl] [PATCH] remove unnecessary cast for map_library return Érico Nogueira
2021-04-20 19:15 ` Érico Nogueira [this message]
2021-04-21 8:24 ` [musl] [PATCH] shorten __aeabi_memset by one instruction Szabolcs Nagy
2021-04-21 12:32 ` Jesse DeGuire
2021-04-21 17:38 ` Rich Felker
2021-04-21 19:02 ` Érico Nogueira
2021-05-20 13:04 ` [musl] [PATCH] add pthread_getname_np function Stefan Agner
2021-07-09 8:06 ` Michael Forney
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