loader: fix dlopen performance regression caused by fix for CVE-2017-0670 am: d6b2586...

[android-x86/bionic.git] / libm / fake_long_double.c

diff --git a/libm/fake_long_double.c b/libm/fake_long_double.c
index 5edf839..fd983ed 100644 (file)
--- a/libm/fake_long_double.c
+++ b/libm/fake_long_double.c
@@ -17,12 +17,11 @@
 #include <float.h>
 #include <math.h>
 
-#ifndef __LP64__
-/*
- * The BSD "long double" functions are broken when sizeof(long double) == sizeof(double).
- * Android works around those cases by replacing the broken functions with our own trivial stubs
- * that call the regular "double" function.
- */
+#if !defined(__LP64__)
+
+// The BSD "long double" functions are broken when sizeof(long double) == sizeof(double).
+// Android works around those cases by replacing the broken functions with our own trivial stubs
+// that call the regular "double" function.
 
 long double copysignl(long double a1, long double a2) { return copysign(a1, a2); }
 long double fmaxl(long double a1, long double a2) { return fmax(a1, a2); }
@@ -30,7 +29,9 @@ long double fmodl(long double a1, long double a2) { return fmod(a1, a2); }
 long double fminl(long double a1, long double a2) { return fmin(a1, a2); }
 int ilogbl(long double a1) { return ilogb(a1); }
 long long llrintl(long double a1) { return llrint(a1); }
+#if !defined(__i386__) // x86 has an assembler lrint/lrintl.
 long lrintl(long double a1) { return lrint(a1); }
+#endif
 long long llroundl(long double a1) { return llround(a1); }
 long lroundl(long double a1) { return lround(a1); }
 long double modfl(long double a1, long double* a2) { double i; double f = modf(a1, &i); *a2 = i; return f; }
@@ -38,3 +39,7 @@ float nexttowardf(float a1, long double a2) { return nextafterf(a1, (float) a2);
 long double roundl(long double a1) { return round(a1); }
 
 #endif // __LP64__
+
+// FreeBSD doesn't have ld128 implementations of powl or tgammal, so both LP32 and LP64 need these.
+long double powl(long double x, long double y) { return pow(x, y); }
+long double tgammal(long double x) { return tgamma(x); }