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| author | Ulrich Drepper <drepper@redhat.com> | 2000-02-13 19:40:31 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2000-02-13 19:40:31 +0000 |
| commit | 87a27b3337a64d58b3a39fdc7f9e02a460bddcbc (patch) | |
| tree | 7ef199d796bc3faa84fbcffff03d19e396059dc1 /sysdeps | |
| parent | 7cdd956e1c55930a020b61806d642b6047deffc7 (diff) | |
| download | glibc-87a27b3337a64d58b3a39fdc7f9e02a460bddcbc.tar.gz glibc-87a27b3337a64d58b3a39fdc7f9e02a460bddcbc.tar.xz glibc-87a27b3337a64d58b3a39fdc7f9e02a460bddcbc.zip | |
Update.
* sysdeps/i386/fpu/s_cosf.S: Domain of opcode is not large enough so test for overflow and handle it. * sysdeps/i386/fpu/s_sinf.S: Likewise. * sysdeps/i386/fpu/s_tanf.S: Likewise. Patch by Miloslav Trmac <mitr@volny.cz> (PR libc/1563).
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/i386/fpu/s_cosf.S | 15 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/s_sinf.S | 15 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/s_tanf.S | 15 |
3 files changed, 42 insertions, 3 deletions
diff --git a/sysdeps/i386/fpu/s_cosf.S b/sysdeps/i386/fpu/s_cosf.S index d8e8090639..21f87aa874 100644 --- a/sysdeps/i386/fpu/s_cosf.S +++ b/sysdeps/i386/fpu/s_cosf.S @@ -7,10 +7,23 @@ RCSID("$NetBSD: s_cosf.S,v 1.3 1995/05/08 23:55:16 jtc Exp $") -/* A float's domain isn't large enough to require argument reduction. */ ENTRY(__cosf) flds 4(%esp) fcos + fnstsw %ax + testl $0x400,%eax + jnz 1f + ret + .align ALIGNARG(4) +1: fldpi + fadd %st(0) + fxch %st(1) +2: fprem1 + fnstsw %ax + testl $0x400,%eax + jnz 2b + fstp %st(1) + fcos ret END (__cosf) weak_alias (__cosf, cosf) diff --git a/sysdeps/i386/fpu/s_sinf.S b/sysdeps/i386/fpu/s_sinf.S index a010d60f5e..5ca45f52e2 100644 --- a/sysdeps/i386/fpu/s_sinf.S +++ b/sysdeps/i386/fpu/s_sinf.S @@ -7,10 +7,23 @@ RCSID("$NetBSD: s_sinf.S,v 1.3 1995/05/09 00:27:53 jtc Exp $") -/* A float's domain isn't large enough to require argument reduction. */ ENTRY(__sinf) flds 4(%esp) fsin + fnstsw %ax + testl $0x400,%eax + jnz 1f + ret + .align ALIGNARG(4) +1: fldpi + fadd %st(0) + fxch %st(1) +2: fprem1 + fnstsw %ax + testl $0x400,%eax + jnz 2b + fstp %st(1) + fsin ret END (__sinf) weak_alias (__sinf, sinf) diff --git a/sysdeps/i386/fpu/s_tanf.S b/sysdeps/i386/fpu/s_tanf.S index 7a7509119b..355dff9c8d 100644 --- a/sysdeps/i386/fpu/s_tanf.S +++ b/sysdeps/i386/fpu/s_tanf.S @@ -7,10 +7,23 @@ RCSID("$NetBSD: s_tanf.S,v 1.3 1995/05/09 00:31:09 jtc Exp $") -/* A float's domain isn't large enough to require argument reduction. */ ENTRY(__tanf) flds 4(%esp) 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 END (__tanf) |