From: Heiko Carstens Date: Thu, 17 Jun 2021 18:11:40 +0000 (+0200) Subject: s390/lib,xor: get rid of register asm X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=7e86f967f4c98a6ad2a8c33c39f041e2955c05c8;p=linux.git s390/lib,xor: get rid of register asm Looking at the generate code this was just a micro-optimization. However given that as many register asm constructs as possible will be removed from s390 code, remove this one as well. Signed-off-by: Heiko Carstens Signed-off-by: Vasily Gorbik --- diff --git a/arch/s390/lib/xor.c b/arch/s390/lib/xor.c index 29d9470dbcebf..a963c3d8ad0d9 100644 --- a/arch/s390/lib/xor.c +++ b/arch/s390/lib/xor.c @@ -91,9 +91,6 @@ static void xor_xc_4(unsigned long bytes, unsigned long *p1, unsigned long *p2, static void xor_xc_5(unsigned long bytes, unsigned long *p1, unsigned long *p2, unsigned long *p3, unsigned long *p4, unsigned long *p5) { - /* Get around a gcc oddity */ - register unsigned long *reg7 asm ("7") = p5; - asm volatile( " larl 1,2f\n" " aghi %0,-1\n" @@ -122,7 +119,7 @@ static void xor_xc_5(unsigned long bytes, unsigned long *p1, unsigned long *p2, " xc 0(1,%1),0(%5)\n" "3:\n" : "+d" (bytes), "+a" (p1), "+a" (p2), "+a" (p3), "+a" (p4), - "+a" (reg7) + "+a" (p5) : : "0", "1", "cc", "memory"); }