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GNU C Library master sources branch master updated. glibc-2.16-ports-merge-264-g89570c6
- From: vapier at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 27 Aug 2012 16:41:32 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.16-ports-merge-264-g89570c6
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http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=89570c6269318b01646448810bcb28342f18ea0b
commit 89570c6269318b01646448810bcb28342f18ea0b
Author: Guido Guenther <agx@sigxcpu.org>
Date: Mon Aug 27 12:20:25 2012 -0400
mips: clear condition bit 23 in fpu too
We've been carrying this in Gentoo for quite a long time to fix some test
failures that people hit.
Original message:
> make[4]: *** [/glibc/glibc-package-2.3/mips-linux/obj/math/test-fpucw.out] Error 1
This test fails since the read back fpu control word is 0x80000 instead
of 0x0. I wonder if this patch is correct:
...
which additionally masks out the condition bit 23 - note that the other
condition bits (25-31) are masked out too?
URL: http://sourceware.org/ml/libc-alpha/2002-10/msg00392.html
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/ports/ChangeLog.mips b/ports/ChangeLog.mips
index 2d1ca84..8d919d0 100644
--- a/ports/ChangeLog.mips
+++ b/ports/ChangeLog.mips
@@ -1,3 +1,7 @@
+2012-08-27 Guido Guenther <agx@sigxcpu.org>
+
+ * sysdeps/mips/fpu_control.h (_FPU_RESERVED): Set bit 23.
+
2012-08-22 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/sysv/linux/mips/kernel-features.h [_MIPS_SIM ==
diff --git a/ports/sysdeps/mips/fpu_control.h b/ports/sysdeps/mips/fpu_control.h
index e9c859a..7307d03 100644
--- a/ports/sysdeps/mips/fpu_control.h
+++ b/ports/sysdeps/mips/fpu_control.h
@@ -85,7 +85,7 @@ extern fpu_control_t __fpu_control;
#define _FPU_RC_UP 0x2
#define _FPU_RC_DOWN 0x3
-#define _FPU_RESERVED 0xfe3c0000 /* Reserved bits in cw */
+#define _FPU_RESERVED 0xfebc0000 /* Reserved bits in cw */
/* The fdlibm code requires strict IEEE double precision arithmetic,
-----------------------------------------------------------------------
Summary of changes:
ports/ChangeLog.mips | 4 ++++
ports/sysdeps/mips/fpu_control.h | 2 +-
2 files changed, 5 insertions(+), 1 deletions(-)
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