Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

sparc64/fpsetround: avoid shifting into the sign bit 

Lint had warned about the constant expression '0x03 << 30' but not about
the structurally equal nonconstant expression '(rnd_dir & 0x03) << 30'.

No binary change.
This commit is contained in:
rillig 2024-03-20 06:15:39 +00:00
parent 062c0d7e32
commit aabd8f68ba
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
lib/libc/arch/sparc64/gen/fpsetround.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: fpsetround.c,v 1.8 2024/03/11 23:05:35 christos Exp $ */
/* $NetBSD: fpsetround.c,v 1.9 2024/03/20 06:15:39 rillig Exp $ */
/*
* Written by J.T. Conklin, Apr 10, 1995
@ -7,7 +7,7 @@
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: fpsetround.c,v 1.8 2024/03/11 23:05:35 christos Exp $");
__RCSID("$NetBSD: fpsetround.c,v 1.9 2024/03/20 06:15:39 rillig Exp $");
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
@ -36,8 +36,8 @@ fpsetround(fp_rnd rnd_dir)
#endif
new = old;
new &= ~(0x03U << 30);
new |= ((rnd_dir & 0x03) << 30);
new &= ~(0x03U << 30);
new |= ((rnd_dir & 0x03U) << 30);
__asm("ld %0,%%fsr" : : "m" (*&new));