mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-15 09:30:06 +00:00
337c270829
* 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.
56 lines
875 B
ArmAsm
56 lines
875 B
ArmAsm
/*
|
|
* Written by J.T. Conklin <jtc@netbsd.org>.
|
|
* 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>
|
|
|
|
ENTRY(__tanl)
|
|
fldt 4(%esp)
|
|
fxam
|
|
fstsw %ax
|
|
movb $0x45, %dh
|
|
andb %ah, %dh
|
|
cmpb $0x05, %dh
|
|
je 3f
|
|
4: fptan
|
|
fnstsw %ax
|
|
testl $0x400,%eax
|
|
jnz 1f
|
|
fstp %st(0)
|
|
ret
|
|
1: fldpi
|
|
fadd %st(0)
|
|
fxch %st(1)
|
|
2: fprem1
|
|
fstsw %ax
|
|
testl $0x400,%eax
|
|
jnz 2b
|
|
fstp %st(1)
|
|
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)
|