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Code Issues Releases Activity

Clean up the FP stack before returning. The i387 exp() leaked an FP

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register on its first call.  Subsequent calls reused the register so
the leak didn't accumulate.  Fixes PR 1275.
This commit is contained in:
Bruce Evans 1996-06-01 18:00:07 +00:00
parent b68933975f
commit f05bebb3ad
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=16054
1 changed files with 2 additions and 1 deletions
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3
lib/msun/i387/e_exp.S
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@ -35,7 +35,7 @@
#include <machine/asmacros.h>
RCSID("$Id: e_exp.S,v 1.1.1.1 1994/08/19 09:40:00 jkh Exp $")
RCSID("$Id: e_exp.S,v 1.2 1994/08/19 11:14:14 jkh Exp $")
/* e^x = 2^(x * log2(e)) */
ENTRY(__ieee754_exp)
@ -50,4 +50,5 @@ ENTRY(__ieee754_exp)
fld1
faddp /* 2^(fract(x * log2(e))) */
fscale /* e^x */
fstpl %st(1)
ret