Author: kargl
Date: Thu Jul 26 03:50:24 2012
New Revision: 238782
URL: http://svn.freebsd.org/changeset/base/238782
Log:
Replace code that toggles between 53 and 64 bits on i386
class hardware with the ENTERI and RETURNI macros, which
are now available in math_private.h.
Suggested by: bde
Approved by: das (mentor)
Modified:
head/lib/msun/src/s_cbrtl.c
Modified: head/lib/msun/src/s_cbrtl.c
==============================================================================
--- head/lib/msun/src/s_cbrtl.c Wed Jul 25 22:17:44 2012 (r238781)
+++ head/lib/msun/src/s_cbrtl.c Thu Jul 26 03:50:24 2012 (r238782)
@@ -51,23 +51,12 @@ cbrtl(long double x)
if (k == BIAS + LDBL_MAX_EXP)
return (x + x);
-#ifdef __i386__
- fp_prec_t oprec;
-
- oprec = fpgetprec();
- if (oprec != FP_PE)
- fpsetprec(FP_PE);
-#endif
+ ENTERI();
if (k == 0) {
/* If x = +-0, then cbrt(x) = +-0. */
- if ((u.bits.manh | u.bits.manl) == 0) {
-#ifdef __i386__
- if (oprec != FP_PE)
- fpsetprec(oprec);
-#endif
- return (x);
- }
+ if ((u.bits.manh | u.bits.manl) == 0)
+ RETURNI(x);
/* Adjust subnormal numbers. */
u.e *= 0x1.0p514;
k = u.bits.exp;
@@ -149,9 +138,5 @@ cbrtl(long double x)
t=t+t*r; /* error <= 0.5 + 0.5/3 + epsilon */
t *= v.e;
-#ifdef __i386__
- if (oprec != FP_PE)
- fpsetprec(oprec);
-#endif
- return (t);
+ RETURNI(t);
}
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