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authorKaz Kojima <kkojima@rr.iij4u.or.jp>2012-04-05 11:57:03 +0900
committerKaz Kojima <kkojima@rr.iij4u.or.jp>2012-04-05 11:57:03 +0900
commit2ecccfc97ac9e755f6b67fa0bac785148c7b8256 (patch)
tree00b574fa18c2b9af6399c6c4dc0e6109402177d2 /sysdeps/sh
parent8a53f50f2a8ab4e1166afa0e9a8d4abc62b0ed4e (diff)
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Set SH fpcsr register which read again.
Diffstat (limited to 'sysdeps/sh')
-rw-r--r--sysdeps/sh/sh4/fpu/fegetenv.c6
-rw-r--r--sysdeps/sh/sh4/fpu/ftestexcept.c3
2 files changed, 8 insertions, 1 deletions
diff --git a/sysdeps/sh/sh4/fpu/fegetenv.c b/sysdeps/sh/sh4/fpu/fegetenv.c
index 68687dc2d1..3103316e34 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 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 1999, 2000, 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
@@ -24,6 +24,10 @@ fegetenv (fenv_t *envp)
{
unsigned long int temp;
_FPU_GETCW (temp);
+ /* When read fpscr, this was initialized.
+ We need to rewrite value of temp. */
+ _FPU_SETCW (temp);
+
envp->__fpscr = temp;
return 0;
diff --git a/sysdeps/sh/sh4/fpu/ftestexcept.c b/sysdeps/sh/sh4/fpu/ftestexcept.c
index 9e0bfc5c27..c2e1772a91 100644
--- a/sysdeps/sh/sh4/fpu/ftestexcept.c
+++ b/sysdeps/sh/sh4/fpu/ftestexcept.c
@@ -26,6 +26,9 @@ 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;
}