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use one less fp stack slot

This commit is contained in:
jtc 1996-07-03 17:31:28 +00:00
parent 0ab3a0b137
commit a5e2dfa95f
1 changed files with 3 additions and 3 deletions
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6
lib/libm/arch/i387/e_exp.S
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@ -5,7 +5,7 @@
#include <machine/asm.h>
RCSID("$NetBSD: e_exp.S,v 1.6 1996/07/03 17:27:34 jtc Exp $")
RCSID("$NetBSD: e_exp.S,v 1.7 1996/07/03 17:31:28 jtc Exp $")
/* e^x = 2^(x * log2(e)) */
ENTRY(__ieee754_exp)
@ -24,8 +24,8 @@ ENTRY(__ieee754_exp)
fmulp /* x * log2(e) */
fstl %st(1)
frndint /* int(x * log2(e)) */
fstl %st(2)
fsubrp /* fract(x * log2(e)) */
fxch %st(1)
fsub %st(1),%st /* fract(x * log2(e)) */
f2xm1 /* 2^(fract(x * log2(e))) - 1 */
fld1
faddp /* 2^(fract(x * log2(e))) */