diff options
Diffstat (limited to 'sysdeps/powerpc/fpu/e_hypotf.c')
| -rw-r--r-- | sysdeps/powerpc/fpu/e_hypotf.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/sysdeps/powerpc/fpu/e_hypotf.c b/sysdeps/powerpc/fpu/e_hypotf.c index 48360828c3..72b46ad9da 100644 --- a/sysdeps/powerpc/fpu/e_hypotf.c +++ b/sysdeps/powerpc/fpu/e_hypotf.c @@ -1,5 +1,5 @@ /* Pythagorean addition using floats - Copyright (C) 2011-2016 Free Software Foundation, Inc. + Copyright (C) 2011-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Adhemerval Zanella <azanella@br.ibm.com>, 2011 @@ -31,10 +31,11 @@ #ifdef _ARCH_PWR7 /* POWER7 isinf and isnan optimizations are fast. */ # define TEST_INF_NAN(x, y) \ - if (isinff(x) || isinff(y)) \ + if ((isinff(x) || isinff(y)) \ + && !issignaling (x) && !issignaling (y)) \ return INFINITY; \ if (isnanf(x) || isnanf(y)) \ - return NAN; + return x + y; # else /* For POWER6 and below isinf/isnan triggers LHS and PLT calls are * costly (especially for POWER6). */ @@ -56,9 +57,10 @@ uint32_t ht = hx; hx = hy; hy = ht; \ } \ if (hx >= 0x7f800000) { \ - if (hx == 0x7f800000 || hy == 0x7f800000) \ + if ((hx == 0x7f800000 || hy == 0x7f800000) \ + && !issignaling (x) && !issignaling (y)) \ return INFINITY; \ - return NAN; \ + return x + y; \ } \ } while (0) #endif @@ -69,6 +71,6 @@ __ieee754_hypotf (float x, float y) { TEST_INF_NAN (x, y); - return __ieee754_sqrt ((double) x * x + (double) y * y); + return sqrt ((double) x * x + (double) y * y); } strong_alias (__ieee754_hypotf, __hypotf_finite) |