diff options
| -rw-r--r-- | ChangeLog | 4 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/s_sincos.S | 61 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/s_sincosl.S | 7 |
3 files changed, 68 insertions, 4 deletions
diff --git a/ChangeLog b/ChangeLog index 7011232c60..41c148f53a 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,9 @@ 2005-07-08 Ulrich Drepper <drepper@redhat.com> + * sysdeps/x86_64/fpu/s_sincosl.S: Use retq not ret. Remove + alignment. + * sysdeps/x86_64/fpu/s_sincos.S: New file. + * include/fenv.h: Add libm_hidden_proto for fesetround and feholdexcept. * sysdeps/alpha/fpu/feholdexcpt.c: Add libm_hidden_def. diff --git a/sysdeps/x86_64/fpu/s_sincos.S b/sysdeps/x86_64/fpu/s_sincos.S new file mode 100644 index 0000000000..9a33615340 --- /dev/null +++ b/sysdeps/x86_64/fpu/s_sincos.S @@ -0,0 +1,61 @@ +/* Compute sine and cosine of argument. + Copyright (C) 1997, 2000, 2001, 2005 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <machine/asm.h> +#include "bp-sym.h" +#include "bp-asm.h" + +#define PARMS LINKAGE /* no space for saved regs */ +#define ANGLE PARMS +#define SINP ANGLE+12 +#define COSP SINP+PTR_SIZE + + .text +ENTRY (BP_SYM (__sincos)) + ENTER + + movsd %xmm0, -8(%rsp) + fldl -8(%rsp) + fsincos + fnstsw %ax + testl $0x400,%eax + jnz 1f + fstpl (%rsi) + fstpl (%rdi) + + LEAVE + retq + +1: fldpi + fadd %st(0) + fxch %st(1) +2: fprem1 + fnstsw %ax + testl $0x400,%eax + jnz 2b + fstp %st(1) + fsincos + fstpl (%rsi) + fstpl (%rdi) + + LEAVE + retq +END (BP_SYM (__sincos)) +weak_alias (BP_SYM (__sincos), BP_SYM (sincos)) diff --git a/sysdeps/x86_64/fpu/s_sincosl.S b/sysdeps/x86_64/fpu/s_sincosl.S index 9a3025ab5f..b17eabe767 100644 --- a/sysdeps/x86_64/fpu/s_sincosl.S +++ b/sysdeps/x86_64/fpu/s_sincosl.S @@ -1,5 +1,5 @@ /* Compute sine and cosine of argument. - Copyright (C) 1997, 2000, 2001 Free Software Foundation, Inc. + Copyright (C) 1997, 2000, 2001, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997. @@ -40,9 +40,8 @@ ENTRY (BP_SYM (__sincosl)) fstpt (%rdi) LEAVE - ret + retq - .align ALIGNARG(4) 1: fldpi fadd %st(0) fxch %st(1) @@ -56,6 +55,6 @@ ENTRY (BP_SYM (__sincosl)) fstpt (%rdi) LEAVE - ret + retq END (BP_SYM (__sincosl)) weak_alias (BP_SYM (__sincosl), BP_SYM (sincosl)) |