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| 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/i386/fpu/s_tanl.S | |
| parent | 002a604fd61d1d3b8d82a5a85959ba4ebd210aec (diff) | |
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* 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/i386/fpu/s_tanl.S')
| -rw-r--r-- | sysdeps/i386/fpu/s_tanl.S | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/sysdeps/i386/fpu/s_tanl.S b/sysdeps/i386/fpu/s_tanl.S index f2bdd6a605..151b77113f 100644 --- a/sysdeps/i386/fpu/s_tanl.S +++ b/sysdeps/i386/fpu/s_tanl.S @@ -3,15 +3,22 @@ * Public domain. * * Adapted for `long double' by Ulrich Drepper <drepper@cygnus.com>. + * 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 4(%esp) - fptan + fxam + fstsw %ax + movb $0x45, %dh + andb %ah, %dh + cmpb $0x05, %dh + je 3f +4: fptan fnstsw %ax testl $0x400,%eax jnz 1f @@ -28,5 +35,21 @@ ENTRY(__tanl) fptan fstp %st(0) ret +3: +#ifdef PIC + pushl %ebx + cfi_adjust_cfa_offset (4) + cfi_rel_offset (ebx, 0) + LOAD_PIC_REG (bx) + call __errno_location@PLT + movl $EDOM, (%eax) + popl %ebx + cfi_adjust_cfa_offset (-4) + cfi_restore (ebx) +#else + call __errno_location@PLT + movl $EDOM, (%eax) +#endif + jmp 4b END (__tanl) weak_alias (__tanl, tanl) |