From 366af02c96eea0a03ccd2fa187819d866ac49ba2 Mon Sep 17 00:00:00 2001 From: Thomas Schwinge Date: Sat, 9 Jun 2012 18:36:52 +0200 Subject: [PATCH] SH: Do not re-write fpscr after reading it. --- ChangeLog | 7 +++++++ sysdeps/sh/sh4/fpu/fegetenv.c | 5 +---- sysdeps/sh/sh4/fpu/fegetexcept.c | 3 --- sysdeps/sh/sh4/fpu/fesetround.c | 2 +- sysdeps/sh/sh4/fpu/fraiseexcpt.c | 2 +- sysdeps/sh/sh4/fpu/ftestexcept.c | 3 --- 6 files changed, 10 insertions(+), 12 deletions(-) diff --git a/ChangeLog b/ChangeLog index 174fb4a..5a67474 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,10 @@ +2012-06-09 Thomas Schwinge + + * sysdeps/sh/sh4/fpu/fegetenv.c (fegetenv): Do not re-write fpscr after + reading it. + * sysdeps/sh/sh4/fpu/fegetexcept.c (fegetexcept): Likewise. + * sysdeps/sh/sh4/fpu/ftestexcept.c (fetestexcept): Likewise. + 2012-06-09 Kaz Kojima * sysdeps/unix/sysv/linux/sh/nptl/ld.abilist: New file. diff --git a/sysdeps/sh/sh4/fpu/fegetenv.c b/sysdeps/sh/sh4/fpu/fegetenv.c index ca7de16..cb3ca27 100644 --- a/sysdeps/sh/sh4/fpu/fegetenv.c +++ b/sysdeps/sh/sh4/fpu/fegetenv.c @@ -1,5 +1,5 @@ /* Store current floating-point environment. - Copyright (C) 1997, 1998, 1999, 2000, 2012 Free Software Foundation, Inc. + Copyright (C) 1997-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -24,9 +24,6 @@ fegetenv (fenv_t *envp) { fpu_control_t temp; _FPU_GETCW (temp); - /* When read fpscr, this was initialized. - We need to rewrite value of temp. */ - _FPU_SETCW (temp); envp->__fpscr = temp; diff --git a/sysdeps/sh/sh4/fpu/fegetexcept.c b/sysdeps/sh/sh4/fpu/fegetexcept.c index a2faaac..038fe97 100644 --- a/sysdeps/sh/sh4/fpu/fegetexcept.c +++ b/sysdeps/sh/sh4/fpu/fegetexcept.c @@ -27,9 +27,6 @@ fegetexcept (void) /* Get current exceptions. */ _FPU_GETCW (temp); - /* When read fpscr, this was initialized. - We need to rewrite value of temp. */ - _FPU_SETCW (temp); return (temp >> 5) & FE_ALL_EXCEPT; } diff --git a/sysdeps/sh/sh4/fpu/fesetround.c b/sysdeps/sh/sh4/fpu/fesetround.c index 4edf9c5..82e13b6 100644 --- a/sysdeps/sh/sh4/fpu/fesetround.c +++ b/sysdeps/sh/sh4/fpu/fesetround.c @@ -1,5 +1,5 @@ /* Set current rounding direction. - Copyright (C) 1998, 2000, 2005, 2012 Free Software Foundation, Inc. + Copyright (C) 1998-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Andreas Jaeger , 1998. diff --git a/sysdeps/sh/sh4/fpu/fraiseexcpt.c b/sysdeps/sh/sh4/fpu/fraiseexcpt.c index 729e8bf..974f192 100644 --- a/sysdeps/sh/sh4/fpu/fraiseexcpt.c +++ b/sysdeps/sh/sh4/fpu/fraiseexcpt.c @@ -1,5 +1,5 @@ /* Raise given exceptions. - Copyright (C) 1997, 1998, 2000, 2002, 2012 Free Software Foundation, Inc. + Copyright (C) 1997-2012 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Nobuhiro Iwamatsu , 2012. diff --git a/sysdeps/sh/sh4/fpu/ftestexcept.c b/sysdeps/sh/sh4/fpu/ftestexcept.c index c61af4c..8f09611 100644 --- a/sysdeps/sh/sh4/fpu/ftestexcept.c +++ b/sysdeps/sh/sh4/fpu/ftestexcept.c @@ -26,9 +26,6 @@ fetestexcept (int excepts) /* Get current exceptions. */ _FPU_GETCW (temp); - /* When read fpscr, this was initialized. - We need to rewrite value of temp. */ - _FPU_SETCW (temp); return temp & excepts & FE_ALL_EXCEPT; } -- 2.7.4