libm: sync with upstream.
There's potential here to maybe lose some/all of builtins.cpp, but I'll
look at that separately later.
Test: treehugger
Change-Id: I2c2bc1d0753affdd214daeb09fa1ac7cd73db347
diff --git a/libm/upstream-freebsd/lib/msun/ld128/s_logl.c b/libm/upstream-freebsd/lib/msun/ld128/s_logl.c
index 93a2a7c..4774a27 100644
--- a/libm/upstream-freebsd/lib/msun/ld128/s_logl.c
+++ b/libm/upstream-freebsd/lib/msun/ld128/s_logl.c
@@ -697,14 +697,15 @@
invln2_hi = 1.4426950402557850e0; /* 0x17154765000000.0p-52 */
static const long double
invln10_lo = 1.41498268538580090791605082294397000e-10L, /* 0x137287195355baaafad33dc323ee3.0p-145L */
-invln2_lo = 6.33178418956604368501892137426645911e-10L; /* 0x15c17f0bbbe87fed0691d3e88eb57.0p-143L */
+invln2_lo = 6.33178418956604368501892137426645911e-10L, /* 0x15c17f0bbbe87fed0691d3e88eb57.0p-143L */
+invln10_lo_plus_hi = invln10_lo + invln10_hi,
+invln2_lo_plus_hi = invln2_lo + invln2_hi;
long double
log10l(long double x)
{
struct ld r;
- long double lo;
- float hi;
+ long double hi, lo;
ENTERI();
DOPRINT_START(&x);
@@ -712,18 +713,17 @@
if (!r.lo_set)
RETURNPI(r.hi);
_2sumF(r.hi, r.lo);
- hi = r.hi;
+ hi = (float)r.hi;
lo = r.lo + (r.hi - hi);
RETURN2PI(invln10_hi * hi,
- (invln10_lo + invln10_hi) * lo + invln10_lo * hi);
+ invln10_lo_plus_hi * lo + invln10_lo * hi);
}
long double
log2l(long double x)
{
struct ld r;
- long double lo;
- float hi;
+ long double hi, lo;
ENTERI();
DOPRINT_START(&x);
@@ -731,10 +731,10 @@
if (!r.lo_set)
RETURNPI(r.hi);
_2sumF(r.hi, r.lo);
- hi = r.hi;
+ hi = (float)r.hi;
lo = r.lo + (r.hi - hi);
RETURN2PI(invln2_hi * hi,
- (invln2_lo + invln2_hi) * lo + invln2_lo * hi);
+ invln2_lo_plus_hi * lo + invln2_lo * hi);
}
#endif /* STRUCT_RETURN */