mirror/freebsd
1
0
Fork 0
mirror of https://git.FreeBSD.org/src.git synced 2024-12-23 11:18:54 +00:00
Code Issues Releases Activity

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

Browse Source 
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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
lib/msun/i387/e_exp.S
View File

@ -35,7 +35,7 @@
#include <machine/asmacros.h> #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)) */ /* e^x = 2^(x * log2(e)) */
ENTRY(__ieee754_exp) ENTRY(__ieee754_exp)
@ -50,4 +50,5 @@ ENTRY(__ieee754_exp)
fld1 fld1
faddp /* 2^(fract(x * log2(e))) */ faddp /* 2^(fract(x * log2(e))) */
fscale /* e^x */ fscale /* e^x */
fstpl %st(1)
ret ret