From 337c270829f7088949ba0c96fffa6326fde17f78 Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sun, 26 Apr 2009 05:42:49 +0000 Subject: * sysdeps/i386/fpu/s_tan.S: Set errno for ±Inf. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * 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. --- sysdeps/i386/fpu/s_tanl.S | 29 ++++++++++++++++++++++++++--- 1 file changed, 26 insertions(+), 3 deletions(-) (limited to 'sysdeps/i386/fpu/s_tanl.S') 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 . + * Fixed errno handling by Ulrich Drepper . */ +#define __need_Emath +#include #include -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) -- cgit 1.4.1