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msun/ld80/e_powl.c: make powl() thread-safe by making static variables thread-local

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(cherry picked from commit 0c00dbfeb0c814c3a87a4d490db3692c1f9441e9)
This commit is contained in:
Konstantin Belousov 2024-08-06 17:50:57 +03:00
parent ac4866f142
commit 023b97a699
1 changed files with 3 additions and 3 deletions
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6
lib/msun/ld80/e_powl.c
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@ -230,13 +230,13 @@ static const long double R[] = {
static const long double MAXLOGL = 1.1356523406294143949492E4L;
static const long double MINLOGL = -1.13994985314888605586758E4L;
static const long double LOGE2L = 6.9314718055994530941723E-1L;
static volatile long double z;
static long double w, W, Wa, Wb, ya, yb, u;
static _Thread_local volatile long double z;
static _Thread_local long double w, W, Wa, Wb, ya, yb, u;
static const long double huge = 0x1p10000L;
#if 0 /* XXX Prevent gcc from erroneously constant folding this. */
static const long double twom10000 = 0x1p-10000L;
#else
static volatile long double twom10000 = 0x1p-10000L;
static _Thread_local volatile long double twom10000 = 0x1p-10000L;
#endif
static long double reducl( long double );