From 19c33b6ecca76cfaca0113485f63fc5e9f9a1c66 Mon Sep 17 00:00:00 2001 From: Andreas Jaeger Date: Thu, 13 Nov 2003 16:41:19 +0000 Subject: Update. 2003-11-13 Andreas Jaeger * sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_TGKILL): Define appropriately for x86_64. (__ASSUME_UTIMES): Likewise. (__ASSUME_FADVISE64_64_SYSCALL): Likewise. (__ASSUME_CLONE_THREAD_FLAGS): Likewise. * sysdeps/x86_64/fpu/s_ceill.S: New file. --- sysdeps/x86_64/fpu/s_ceill.S | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 sysdeps/x86_64/fpu/s_ceill.S (limited to 'sysdeps') diff --git a/sysdeps/x86_64/fpu/s_ceill.S b/sysdeps/x86_64/fpu/s_ceill.S new file mode 100644 index 0000000000..efc8dd995e --- /dev/null +++ b/sysdeps/x86_64/fpu/s_ceill.S @@ -0,0 +1,31 @@ +/* + * Written by J.T. Conklin . + * Changes for long double by Ulrich Drepper + * Changes for x86-64 by Andreas Jaeger + * Public domain. + */ + +#include + + +ENTRY(__ceill) + fldt 8(%rsp) + + fstcw -4(%rsp) /* store fpu control word */ + + /* We use here %edx although only the low 1 bits are defined. + But none of the operations should care and they are faster + than the 16 bit operations. */ + movl $0x0800,%edx /* round towards +oo */ + orl -4(%rsp),%edx + andl $0xfbff,%edx + movl %edx,-8(%rsp) + fldcw -8(%rsp) /* load modified control word */ + + frndint /* round */ + + fldcw -4(%rsp) /* restore original control word */ + + ret +END (__ceill) +weak_alias (__ceill, ceill) -- cgit v1.2.3