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* sysdeps/i386/fpu/s_cosf.S: Likewise. * sysdeps/i386/fpu/s_cosl.S: Likewise. * sysdeps/i386/fpu/s_sin.S: Likewise. * sysdeps/i386/fpu/s_sinf.S: Likewise. * sysdeps/i386/fpu/s_sinl.S: Likewise. * sysdeps/ieee754/dbl-64/s_sin.c: Likewise. * sysdeps/ieee754/flt-32/s_cosf.c: Likewise. * sysdeps/ieee754/flt-32/s_sinf.c: Likewise. * sysdeps/ieee754/ldbl-96/s_cosl.c: Likewise. * sysdeps/ieee754/ldbl-96/s_sinl.c: Likewise. * sysdeps/x86_64/fpu/s_cosl.S: Likewise. * sysdeps/x86_64/fpu/s_sinl.S: Likewise. * math/libm-test.inc: Add tests for errno after sin/cos calls with ±Inf.
55 lines
860 B
ArmAsm
55 lines
860 B
ArmAsm
/*
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* Written by J.T. Conklin <jtc@netbsd.org>.
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* Fixed errno handling by Ulrich Drepper <drepper@redhat.com>.
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* Public domain.
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*/
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#define __need_Emath
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#include <bits/errno.h>
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#include <machine/asm.h>
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RCSID("$NetBSD: s_cosf.S,v 1.3 1995/05/08 23:55:16 jtc Exp $")
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ENTRY(__cosf)
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flds 4(%esp)
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fxam
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fstsw %ax
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movb $0x45, %dh
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andb %ah, %dh
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cmpb $0x05, %dh
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je 3f
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4: fcos
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fnstsw %ax
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testl $0x400,%eax
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jnz 1f
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ret
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.align ALIGNARG(4)
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1: fldpi
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fadd %st(0)
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fxch %st(1)
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2: fprem1
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fnstsw %ax
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testl $0x400,%eax
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jnz 2b
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fstp %st(1)
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fcos
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ret
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3:
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#ifdef PIC
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pushl %ebx
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cfi_adjust_cfa_offset (4)
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cfi_rel_offset (ebx, 0)
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LOAD_PIC_REG (bx)
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call __errno_location@PLT
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movl $EDOM, (%eax)
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popl %ebx
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cfi_adjust_cfa_offset (-4)
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cfi_restore (ebx)
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#else
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call __errno_location@PLT
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movl $EDOM, (%eax)
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#endif
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jmp 4b
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END (__cosf)
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weak_alias (__cosf, cosf)
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