From: Xi Ruoyao Date: Sat, 26 Aug 2023 16:36:51 +0000 (+0800) Subject: LoongArch: Micro-optimize LD_PCREL X-Git-Tag: upstream/2.39~462 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3efa26749e4d28768558330353dc15c6f325ed4e;p=platform%2Fupstream%2Fglibc.git LoongArch: Micro-optimize LD_PCREL 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 --- diff --git a/sysdeps/unix/sysv/linux/loongarch/pointer_guard.h b/sysdeps/unix/sysv/linux/loongarch/pointer_guard.h index b25e353b37..d6c78687d4 100644 --- a/sysdeps/unix/sysv/linux/loongarch/pointer_guard.h +++ b/sysdeps/unix/sysv/linux/loongarch/pointer_guard.h @@ -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) \