AuroraMiddleware/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2024-11-08 22:30:07 +00:00
Code Issues Packages Projects Releases Wiki Activity

LoongArch: Micro-optimize LD_PCREL

Browse Source 
We are requiring Binutils >= 2.41, so explicit relocation syntax is
always supported by the assembler.  Use it to reduce one instruction.

Signed-off-by: Xi Ruoyao <xry111@xry111.site>
This commit is contained in:
Xi Ruoyao 2023-08-27 00:36:51 +08:00 committed by caiyinyu
parent aac842d0ed
commit 3efa26749e
1 changed files with 4 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
sysdeps/unix/sysv/linux/loongarch/pointer_guard.h
View File

@ -19,17 +19,15 @@
#ifndef POINTER_GUARD_H
#define POINTER_GUARD_H
/* Load a got-relative EXPR into G, using T.
Note G and T are register names. */
/* Load a got-relative EXPR into register G. */
#define LD_GLOBAL(G, EXPR) \
la.global G, EXPR; \
REG_L G, G, 0;
/* Load a pc-relative EXPR into G, using T.
Note G and T are register names. */
/* Load a pc-relative EXPR into register G. */
#define LD_PCREL(G, EXPR) \
la.pcrel G, EXPR; \
REG_L G, G, 0;
pcalau12i G, %pc_hi20(EXPR); \
REG_L G, G, %pc_lo12(EXPR);
#if (IS_IN (rtld) \
|| (!defined SHARED && (IS_IN (libc) \