diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2009-04-26 05:42:49 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2009-04-26 05:42:49 +0000 |
| commit | 337c270829f7088949ba0c96fffa6326fde17f78 (patch) | |
| tree | 156108c0cf719838f421f4b30116ad8f3181056f /sysdeps/x86_64/fpu | |
| parent | 002a604fd61d1d3b8d82a5a85959ba4ebd210aec (diff) | |
| download | glibc-337c270829f7088949ba0c96fffa6326fde17f78.tar.gz glibc-337c270829f7088949ba0c96fffa6326fde17f78.tar.xz glibc-337c270829f7088949ba0c96fffa6326fde17f78.zip | |
* sysdeps/i386/fpu/s_tan.S: Set errno for ±Inf.
* sysdeps/i386/fpu/s_tanf.S: Likewise. * sysdeps/i386/fpu/s_tanl.S: Likewise. * sysdeps/ieee754/dbl-64/s_tan.c: Likewise. * sysdeps/ieee754/flt-32/s_tanf.c: Likewise. * sysdeps/x86_64/fpu/s_tanl.S: Likewise. * math/libm-test.inc: Add tests for errno after tan calls with ±Inf.
Diffstat (limited to 'sysdeps/x86_64/fpu')
| -rw-r--r-- | sysdeps/x86_64/fpu/s_tanl.S | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/sysdeps/x86_64/fpu/s_tanl.S b/sysdeps/x86_64/fpu/s_tanl.S index 674e908acc..6427e3f6f0 100644 --- a/sysdeps/x86_64/fpu/s_tanl.S +++ b/sysdeps/x86_64/fpu/s_tanl.S @@ -4,15 +4,24 @@ * * Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>. * Adapted for x86-64 by Andreas Jaeger <aj@suse.de>. + * Fixed errno handling by Ulrich Drepper <drepper@redhat.com>. */ +#define __need_Emath +#include <bits/errno.h> #include <machine/asm.h> RCSID("$NetBSD: $") ENTRY(__tanl) fldt 8(%rsp) - fptan + fxam + fstsw %ax + movb $0x45, %dh + andb %ah, %dh + cmpb $0x05, %dh + je 3f +4: fptan fnstsw %ax testl $0x400,%eax jnz 1f @@ -29,5 +38,8 @@ ENTRY(__tanl) fptan fstp %st(0) ret +3: call __errno_location@PLT + movl $EDOM, (%rax) + jmp 4b END (__tanl) weak_alias (__tanl, tanl) |