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RTL VM: Avoid untagging inums in 'logand' and 'logior'.

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* libguile/vm-engine.c (logand, logior): Avoid untagging.
This commit is contained in:
Mark H Weaver 2013-08-06 17:03:56 -04:00
parent d2295ba571
commit e7f64971ed
1 changed files with 4 additions and 2 deletions
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6
libguile/vm-engine.c
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@ -2963,7 +2963,8 @@ RTL_VM_NAME (SCM vm, SCM program, SCM *argv, size_t nargs_)
{
ARGS2 (x, y);
if (SCM_I_INUMP (x) && SCM_I_INUMP (y))
RETURN (SCM_I_MAKINUM (SCM_I_INUM (x) & SCM_I_INUM (y)));
/* Compute bitwise AND without untagging */
RETURN (SCM_PACK (SCM_UNPACK (x) & SCM_UNPACK (y)));
SYNC_IP ();
RETURN (scm_logand (x, y));
}
@ -2976,7 +2977,8 @@ RTL_VM_NAME (SCM vm, SCM program, SCM *argv, size_t nargs_)
{
ARGS2 (x, y);
if (SCM_I_INUMP (x) && SCM_I_INUMP (y))
RETURN (SCM_I_MAKINUM (SCM_I_INUM (x) | SCM_I_INUM (y)));
/* Compute bitwise OR without untagging */
RETURN (SCM_PACK (SCM_UNPACK (x) | SCM_UNPACK (y)));
SYNC_IP ();
RETURN (scm_logior (x, y));
}