kolibrios/programs/develop/ktcc/trunk/libc/math/ceil.asm
andrew_programmer 48ecbd9104 Mathematical functions are added some.
It is added makefile for compilation of programs under KolibriOS with the help gcc.

git-svn-id: svn://kolibrios.org@696 a494cfbc-eb01-0410-851d-a64ba20cac60
2008-01-14 19:33:34 +00:00

31 lines
279 B
NASM

format ELF
include 'proc32.inc'
section '.text' executable
public ceil
ceil:
push ebp
mov ebp,esp
sub esp,8
fstcw [ebp-12]
mov dx,[ebp-12]
or dx,0x0800
and dx,0xfbff
mov word[ebp-16],dx
fldcw [ebp-16]
fld qword[ebp+8]
frndint
fldcw [ebp-12]
leave
ret