diff options
Diffstat (limited to 'sysdeps/powerpc/fpu/e_hypot.c')
| -rw-r--r-- | sysdeps/powerpc/fpu/e_hypot.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/sysdeps/powerpc/fpu/e_hypot.c b/sysdeps/powerpc/fpu/e_hypot.c index da0f2daed3..65314c6ff5 100644 --- a/sysdeps/powerpc/fpu/e_hypot.c +++ b/sysdeps/powerpc/fpu/e_hypot.c @@ -41,10 +41,11 @@ static const double pdnum = 2.225073858507201e-308; #ifdef _ARCH_PWR7 /* POWER7 isinf and isnan optimization are fast. */ # define TEST_INF_NAN(x, y) \ - if (isinf(x) || isinf(y)) \ + if ((isinf(x) || isinf(y)) \ + && !issignaling (x) && !issignaling (y)) \ return INFINITY; \ if (isnan(x) || isnan(y)) \ - return NAN; + return x + y; # else /* For POWER6 and below isinf/isnan triggers LHS and PLT calls are * costly (especially for POWER6). */ @@ -66,9 +67,10 @@ static const double pdnum = 2.225073858507201e-308; uint32_t ht = hx; hx = hy; hy = ht; \ } \ if (hx >= 0x7ff00000) { \ - if (hx == 0x7ff00000 || hy == 0x7ff00000) \ + if ((hx == 0x7ff00000 || hy == 0x7ff00000) \ + && !issignaling (x) && !issignaling (y)) \ return INFINITY; \ - return NAN; \ + return x + y; \ } \ } while (0) |