reactos/sdk/lib/crt/math/i386/exp_asm.s


#include <asm.inc>

PUBLIC _exp
 
/* FUNCTIONS ***************************************************************/
.code

_exp:
    push ebp
    mov ebp, esp

    fld qword ptr [ebp + 8]
    fxam
    fstsw ax
    fwait
    sahf
    jnp .not_inf
    jnc .not_inf
    test ah, 2
    jz .done
    fstp st
    fldz
    jmp .done
.not_inf:
    fldl2e
    fmul st, st(1)
    fst st(1)
    frndint
    fxch st(1)
    fsub st, st(1)
    f2xm1
    fld1
    faddp st(1), st
    fscale
    fstp st(1)
.done:
    pop ebp
    ret

END
[ASM] Merge asm related changes from cmake branch. svn path=/trunk/; revision=49826 2010-11-27 22:12:15 +00:00
			`#include <asm.inc>`

			`PUBLIC _exp`

			`/* FUNCTIONS ***************************************************************/`
			`.code`

			`_exp:`
			`push ebp`
			`mov ebp, esp`

			`fld qword ptr [ebp + 8]`
[CRT] Check for positive and negative infinity in exp(). svn path=/trunk/; revision=69998 2015-11-22 01:12:34 +00:00			`fxam`
			`fstsw ax`
			`fwait`
			`sahf`
			`jnp .not_inf`
			`jnc .not_inf`
			`test ah, 2`
			`jz .done`
			`fstp st`
			`fldz`
			`jmp .done`
			`.not_inf:`
[ASM] Merge asm related changes from cmake branch. svn path=/trunk/; revision=49826 2010-11-27 22:12:15 +00:00			`fldl2e`
			`fmul st, st(1)`
			`fst st(1)`
			`frndint`
			`fxch st(1)`
			`fsub st, st(1)`
			`f2xm1`
			`fld1`
			`faddp st(1), st`
			`fscale`
			`fstp st(1)`
[CRT] Check for positive and negative infinity in exp(). svn path=/trunk/; revision=69998 2015-11-22 01:12:34 +00:00			`.done:`
[ASM] Merge asm related changes from cmake branch. svn path=/trunk/; revision=49826 2010-11-27 22:12:15 +00:00			`pop ebp`
			`ret`

			`END`
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