Remove redundant goto lines

This commit is contained in:
Siddhesh Poyarekar 2013-09-19 16:43:53 +05:30
parent 8a85c1b357
commit 5eea0404a8
2 changed files with 9 additions and 40 deletions

View File

@ -1,3 +1,9 @@
2013-09-19 Siddhesh Poyarekar <siddhesh@redhat.com>
* sysdeps/ieee754/dbl-64/s_sin.c (__sin): Remove redundant
gotos.
(__cos): Likewise.
2013-09-18 Maciej W. Rozycki <macro@codesourcery.com>
* config.h.in (HAVE_MIPS_NAN2008): New macro.

View File

@ -113,10 +113,7 @@ __sin (double x)
m = u.i[HIGH_HALF];
k = 0x7fffffff & m; /* no sign */
if (k < 0x3e500000) /* if x->0 =>sin(x)=x */
{
retval = x;
goto ret;
}
/*---------------------------- 2^-26 < |x|< 0.25 ----------------------*/
else if (k < 0x3fd00000)
{
@ -127,7 +124,6 @@ __sin (double x)
res = x + t;
cor = (x - res) + t;
retval = (res == res + 1.07 * cor) ? res : slow (x);
goto ret;
} /* else if (k < 0x3fd00000) */
/*---------------------------- 0.25<|x|< 0.855469---------------------- */
else if (k < 0x3feb6000)
@ -146,7 +142,6 @@ __sin (double x)
res = sn + cor;
cor = (sn - res) + cor;
retval = (res == res + 1.096 * cor) ? res : slow1 (x);
goto ret;
} /* else if (k < 0x3feb6000) */
/*----------------------- 0.855469 <|x|<2.426265 ----------------------*/
@ -176,7 +171,6 @@ __sin (double x)
res = cs + cor;
cor = (cs - res) + cor;
retval = (res == res + 1.020 * cor) ? ((m > 0) ? res : -res) : slow2 (x);
goto ret;
} /* else if (k < 0x400368fd) */
/*-------------------------- 2.426265<|x|< 105414350 ----------------------*/
@ -211,7 +205,6 @@ __sin (double x)
cor = (a - res) + t;
cor = (cor > 0) ? 1.02 * cor + eps : 1.02 * cor - eps;
retval = (res == res + cor) ? res : sloww (a, da, x);
goto ret;
}
else
{
@ -243,7 +236,6 @@ __sin (double x)
cor = (cor > 0) ? 1.035 * cor + eps : 1.035 * cor - eps;
retval = ((res == res + cor) ? ((m) ? res : -res)
: sloww1 (a, da, x));
goto ret;
}
break;
@ -270,11 +262,8 @@ __sin (double x)
cor = (cor > 0) ? 1.025 * cor + eps : 1.025 * cor - eps;
retval = ((res == res + cor) ? ((n & 2) ? -res : res)
: sloww2 (a, da, x, n));
goto ret;
break;
}
} /* else if (k < 0x419921FB ) */
/*---------------------105414350 <|x|< 281474976710656 --------------------*/
@ -314,7 +303,6 @@ __sin (double x)
cor = (a - res) + t;
cor = (cor > 0) ? 1.02 * cor + eps : 1.02 * cor - eps;
retval = (res == res + cor) ? res : bsloww (a, da, x, n);
goto ret;
}
else
{
@ -346,7 +334,6 @@ __sin (double x)
cor = (cor > 0) ? 1.035 * cor + eps : 1.035 * cor - eps;
retval = ((res == res + cor) ? ((m) ? res : -res)
: bsloww1 (a, da, x, n));
goto ret;
}
break;
@ -373,8 +360,6 @@ __sin (double x)
cor = (cor > 0) ? 1.025 * cor + eps : 1.025 * cor - eps;
retval = ((res == res + cor) ? ((n & 2) ? -res : res)
: bsloww2 (a, da, x, n));
goto ret;
break;
}
} /* else if (k < 0x42F00000 ) */
@ -390,20 +375,17 @@ __sin (double x)
retval = bsloww (a, da, x, n);
else
retval = bsloww1 (a, da, x, n);
goto ret;
break;
case 2:
if (a * a < 0.01588)
retval = bsloww (-a, -da, x, n);
else
retval = bsloww1 (-a, -da, x, n);
goto ret;
break;
case 1:
case 3:
retval = bsloww2 (a, da, x, n);
goto ret;
break;
}
} /* else if (k < 0x7ff00000 ) */
@ -414,10 +396,8 @@ __sin (double x)
if (k == 0x7ff00000 && u.i[LOW_HALF] == 0)
__set_errno (EDOM);
retval = x / x;
goto ret;
}
ret:
return retval;
}
@ -444,11 +424,9 @@ __cos (double x)
m = u.i[HIGH_HALF];
k = 0x7fffffff & m;
/* |x|<2^-27 => cos(x)=1 */
if (k < 0x3e400000)
{
retval = 1.0;
goto ret;
} /* |x|<2^-27 => cos(x)=1 */
else if (k < 0x3feb6000)
{ /* 2^-27 < |x| < 0.855469 */
@ -467,7 +445,6 @@ __cos (double x)
res = cs + cor;
cor = (cs - res) + cor;
retval = (res == res + 1.020 * cor) ? res : cslow2 (x);
goto ret;
} /* else if (k < 0x3feb6000) */
else if (k < 0x400368fd)
@ -484,7 +461,6 @@ __cos (double x)
cor = (a - res) + t;
cor = (cor > 0) ? 1.02 * cor + 1.0e-31 : 1.02 * cor - 1.0e-31;
retval = (res == res + cor) ? res : csloww (a, da, x);
goto ret;
}
else
{
@ -516,7 +492,6 @@ __cos (double x)
cor = (cor > 0) ? 1.035 * cor + 1.0e-31 : 1.035 * cor - 1.0e-31;
retval = ((res == res + cor) ? ((m) ? res : -res)
: csloww1 (a, da, x));
goto ret;
}
} /* else if (k < 0x400368fd) */
@ -552,7 +527,6 @@ __cos (double x)
cor = (a - res) + t;
cor = (cor > 0) ? 1.02 * cor + eps : 1.02 * cor - eps;
retval = (res == res + cor) ? res : csloww (a, da, x);
goto ret;
}
else
{
@ -584,7 +558,6 @@ __cos (double x)
cor = (cor > 0) ? 1.035 * cor + eps : 1.035 * cor - eps;
retval = ((res == res + cor) ? ((m) ? res : -res)
: csloww1 (a, da, x));
goto ret;
}
break;
@ -611,8 +584,6 @@ __cos (double x)
cor = (cor > 0) ? 1.025 * cor + eps : 1.025 * cor - eps;
retval = ((res == res + cor) ? ((n) ? -res : res)
: csloww2 (a, da, x, n));
goto ret;
break;
}
} /* else if (k < 0x419921FB ) */
@ -652,7 +623,6 @@ __cos (double x)
cor = (a - res) + t;
cor = (cor > 0) ? 1.02 * cor + eps : 1.02 * cor - eps;
retval = (res == res + cor) ? res : bsloww (a, da, x, n);
goto ret;
}
else
{
@ -684,7 +654,6 @@ __cos (double x)
cor = (cor > 0) ? 1.035 * cor + eps : 1.035 * cor - eps;
retval = ((res == res + cor) ? ((m) ? res : -res)
: bsloww1 (a, da, x, n));
goto ret;
}
break;
@ -711,7 +680,6 @@ __cos (double x)
cor = (cor > 0) ? 1.025 * cor + eps : 1.025 * cor - eps;
retval = ((res == res + cor) ? ((n) ? -res : res)
: bsloww2 (a, da, x, n));
goto ret;
break;
}
} /* else if (k < 0x42F00000 ) */
@ -727,20 +695,17 @@ __cos (double x)
retval = bsloww (-a, -da, x, n);
else
retval = bsloww1 (-a, -da, x, n);
goto ret;
break;
case 3:
if (a * a < 0.01588)
retval = bsloww (a, da, x, n);
else
retval = bsloww1 (a, da, x, n);
goto ret;
break;
case 0:
case 2:
retval = bsloww2 (a, da, x, n);
goto ret;
break;
}
} /* else if (k < 0x7ff00000 ) */
@ -750,10 +715,8 @@ __cos (double x)
if (k == 0x7ff00000 && u.i[LOW_HALF] == 0)
__set_errno (EDOM);
retval = x / x; /* |x| > 2^1024 */
goto ret;
}
ret:
return retval;
}