public inbox for glibc-cvs@sourceware.org
help / color / mirror / Atom feed
* [glibc] LoongArch: Change to put magic number to .rodata section
@ 2023-09-15 1:12 Yinyu Cai
0 siblings, 0 replies; only message in thread
From: Yinyu Cai @ 2023-09-15 1:12 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=780adf7aeab9308c02d89260df6ffa84dc2289a5
commit 780adf7aeab9308c02d89260df6ffa84dc2289a5
Author: dengjianbo <dengjianbo@loongson.cn>
Date: Wed Sep 13 15:35:01 2023 +0800
LoongArch: Change to put magic number to .rodata section
Change to put magic number to .rodata section in memmove-lsx, and use
pcalau12i and %pc_lo12 with vld to get the data.
Diff:
---
sysdeps/loongarch/lp64/multiarch/memmove-lsx.S | 20 ++++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/sysdeps/loongarch/lp64/multiarch/memmove-lsx.S b/sysdeps/loongarch/lp64/multiarch/memmove-lsx.S
index 8a9367708d..5eb819ef74 100644
--- a/sysdeps/loongarch/lp64/multiarch/memmove-lsx.S
+++ b/sysdeps/loongarch/lp64/multiarch/memmove-lsx.S
@@ -209,13 +209,10 @@ L(al_less_16):
nop
-L(magic_num):
- .dword 0x0706050403020100
- .dword 0x0f0e0d0c0b0a0908
L(unaligned):
- pcaddi t2, -4
+ pcalau12i t2, %pc_hi20(L(INDEX))
bstrins.d a1, zero, 3, 0
- vld vr8, t2, 0
+ vld vr8, t2, %pc_lo12(L(INDEX))
vld vr0, a1, 0
vld vr1, a1, 16
@@ -413,13 +410,10 @@ L(back_al_less_16):
vst vr1, a0, 0
jr ra
-L(magic_num_2):
- .dword 0x0706050403020100
- .dword 0x0f0e0d0c0b0a0908
L(back_unaligned):
- pcaddi t2, -4
+ pcalau12i t2, %pc_hi20(L(INDEX))
bstrins.d a4, zero, 3, 0
- vld vr8, t2, 0
+ vld vr8, t2, %pc_lo12(L(INDEX))
vld vr0, a4, 0
vld vr1, a4, -16
@@ -529,6 +523,12 @@ L(back_un_less_16):
jr ra
END(MEMMOVE_NAME)
+ .section .rodata.cst16,"M",@progbits,16
+ .align 4
+L(INDEX):
+ .dword 0x0706050403020100
+ .dword 0x0f0e0d0c0b0a0908
+
libc_hidden_builtin_def (MEMCPY_NAME)
libc_hidden_builtin_def (MEMMOVE_NAME)
#endif
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2023-09-15 1:12 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2023-09-15 1:12 [glibc] LoongArch: Change to put magic number to .rodata section Yinyu Cai
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).