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/*
* Written by J.T. Conklin <jtc@netbsd.org>.
* Public domain.
*/
.file "ceilf.S"
.text
.align 4
.globl _ceilf
.def _ceilf; .scl 2; .type 32; .endef
_ceilf:
flds 4(%esp)
subl $8,%esp
fstcw 4(%esp) /* 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(%esp),%edx
andl $0xfbff,%edx
movl %edx,(%esp)
fldcw (%esp) /* load modified control word */
frndint /* round */
fldcw 4(%esp) /* restore original control word */
addl $8,%esp
ret
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