Always use wordsize-64 version of s_ceil.c.

This patch replaces s_ceil.c in sysdeps/dbl-64 with the one in
sysdeps/dbl-64/wordsize-64 and removes the latter one.
The code is not changed except changes in code style.

Also adjusted the include path in x86_64 and sparc64 files.

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>

diff --git a/sysdeps/ieee754/dbl-64/s_ceil.c b/sysdeps/ieee754/dbl-64/s_ceil.c
index 4c96286..8d66f02 100644 (file)
--- a/sysdeps/ieee754/dbl-64/s_ceil.c
+++ b/sysdeps/ieee754/dbl-64/s_ceil.c
@@ -25,61 +25,38 @@
 double
 __ceil (double x)
 {
-  int32_t i0, i1, j0;
-  uint32_t i, j;
-  EXTRACT_WORDS (i0, i1, x);
-  j0 = ((i0 >> 20) & 0x7ff) - 0x3ff;
-  if (j0 < 20)
+  int64_t i0, i;
+  int32_t j0;
+  EXTRACT_WORDS64 (i0, x);
+  j0 = ((i0 >> 52) & 0x7ff) - 0x3ff;
+  if (j0 <= 51)
     {
       if (j0 < 0)
        {
-         /* return 0*sign(x) if |x|<1 */
+         /* return 0 * sign(x) if |x| < 1  */
          if (i0 < 0)
-           {
-             i0 = 0x80000000; i1 = 0;
-           }
-         else if ((i0 | i1) != 0)
-           {
-             i0 = 0x3ff00000; i1 = 0;
-           }
+           i0 = INT64_C (0x8000000000000000);
+         else if (i0 != 0)
+           i0 = INT64_C (0x3ff0000000000000);
        }
       else
        {
-         i = (0x000fffff) >> j0;
-         if (((i0 & i) | i1) == 0)
-           return x;                        /* x is integral */
+         i = INT64_C (0x000fffffffffffff) >> j0;
+         if ((i0 & i) == 0)
+           return x;                   /* x is integral  */
          if (i0 > 0)
-           i0 += (0x00100000) >> j0;
-         i0 &= (~i); i1 = 0;
+           i0 += UINT64_C (0x0010000000000000) >> j0;
+         i0 &= ~i;
        }
     }
-  else if (j0 > 51)
+  else
     {
       if (j0 == 0x400)
-       return x + x;                   /* inf or NaN */
+       return x + x;                   /* inf or NaN  */
       else
-       return x;                       /* x is integral */
-    }
-  else
-    {
-      i = ((uint32_t) (0xffffffff)) >> (j0 - 20);
-      if ((i1 & i) == 0)
-       return x;                       /* x is integral */
-      if (i0 > 0)
-       {
-         if (j0 == 20)
-           i0 += 1;
-         else
-           {
-             j = i1 + (1 << (52 - j0));
-             if (j < i1)
-               i0 += 1;                /* got a carry */
-             i1 = j;
-           }
-       }
-      i1 &= (~i);
+       return x;                       /* x is integral  */
     }
-  INSERT_WORDS (x, i0, i1);
+  INSERT_WORDS64 (x, i0);
   return x;
 }
 #ifndef __ceil

diff --git a/sysdeps/ieee754/dbl-64/wordsize-64/s_ceil.c b/sysdeps/ieee754/dbl-64/wordsize-64/s_ceil.c
deleted file mode 100644 (file)
index 4bb93d0..0000000
--- a/sysdeps/ieee754/dbl-64/wordsize-64/s_ceil.c
+++ /dev/null
@@ -1,52 +0,0 @@
-/* @(#)s_ceil.c 5.1 93/09/24 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-/*
- * ceil(x)
- * Return x rounded toward -inf to integral value
- * Method:
- *     Bit twiddling.
- */
-
-#define NO_MATH_REDIRECT
-#include <math.h>
-#include <math_private.h>
-#include <libm-alias-double.h>
-
-double
-__ceil(double x)
-{
-       int64_t i0,i;
-       int32_t j0;
-       EXTRACT_WORDS64(i0,x);
-       j0 = ((i0>>52)&0x7ff)-0x3ff;
-       if(j0<=51) {
-           if(j0<0) {
-             /* return 0*sign(x) if |x|<1 */
-             if(i0<0) {i0=INT64_C(0x8000000000000000);}
-             else if(i0!=0) { i0=INT64_C(0x3ff0000000000000);}
-           } else {
-               i = INT64_C(0x000fffffffffffff)>>j0;
-               if((i0&i)==0) return x; /* x is integral */
-               if(i0>0) i0 += UINT64_C(0x0010000000000000)>>j0;
-               i0 &= (~i);
-           }
-       } else {
-           if(j0==0x400) return x+x;   /* inf or NaN */
-           else return x;              /* x is integral */
-       }
-       INSERT_WORDS64(x,i0);
-       return x;
-}
-#ifndef __ceil
-libm_alias_double (__ceil, ceil)
-#endif

diff --git a/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-generic.c b/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-generic.c
index febea74..80f68b6 100644 (file)
--- a/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-generic.c
+++ b/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-generic.c
@@ -1,2 +1,2 @@
 #define __ceil __ceil_generic
-#include <sysdeps/ieee754/dbl-64/wordsize-64/s_ceil.c>
+#include <sysdeps/ieee754/dbl-64/s_ceil.c>

diff --git a/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-vis3.c b/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-vis3.c
index 9c17809..2b89199 100644 (file)
--- a/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-vis3.c
+++ b/sysdeps/sparc/sparc64/fpu/multiarch/s_ceil-vis3.c
@@ -20,4 +20,4 @@
 
 #define __ceil __ceil_vis3
 
-#include <sysdeps/ieee754/dbl-64/wordsize-64/s_ceil.c>
+#include <sysdeps/ieee754/dbl-64/s_ceil.c>

diff --git a/sysdeps/x86_64/fpu/multiarch/s_ceil-c.c b/sysdeps/x86_64/fpu/multiarch/s_ceil-c.c
index 6a5ea3f..ada28ba 100644 (file)
--- a/sysdeps/x86_64/fpu/multiarch/s_ceil-c.c
+++ b/sysdeps/x86_64/fpu/multiarch/s_ceil-c.c
@@ -1,2 +1,2 @@
 #define __ceil __ceil_c
-#include <sysdeps/ieee754/dbl-64/wordsize-64/s_ceil.c>
+#include <sysdeps/ieee754/dbl-64/s_ceil.c>