diff options
Diffstat (limited to 'gcc/wide-int.cc')
| -rw-r--r-- | gcc/wide-int.cc | 46 |
1 files changed, 1 insertions, 45 deletions
diff --git a/gcc/wide-int.cc b/gcc/wide-int.cc index dd880d1b921..0627cf5e5fd 100644 --- a/gcc/wide-int.cc +++ b/gcc/wide-int.cc @@ -1137,46 +1137,6 @@ wi::add_large (HOST_WIDE_INT *val, const HOST_WIDE_INT *op0, return canonize (val, len, prec); } -/* This is bogus. We should always return the precision and leave the - caller to handle target dependencies. */ -static int -clz_zero (unsigned int precision) -{ - unsigned int count; - - enum machine_mode mode = mode_for_size (precision, MODE_INT, 0); - if (mode == BLKmode) - mode_for_size (precision, MODE_PARTIAL_INT, 0); - - /* Even if the value at zero is undefined, we have to come up - with some replacement. Seems good enough. */ - if (mode == BLKmode) - count = precision; - else if (!CLZ_DEFINED_VALUE_AT_ZERO (mode, count)) - count = precision; - return count; -} - -/* This is bogus. We should always return the precision and leave the - caller to handle target dependencies. */ -static int -ctz_zero (unsigned int precision) -{ - unsigned int count; - - enum machine_mode mode = mode_for_size (precision, MODE_INT, 0); - if (mode == BLKmode) - mode_for_size (precision, MODE_PARTIAL_INT, 0); - - /* Even if the value at zero is undefined, we have to come up - with some replacement. Seems good enough. */ - if (mode == BLKmode) - count = precision; - else if (!CTZ_DEFINED_VALUE_AT_ZERO (mode, count)) - count = precision; - return count; -} - /* Subroutines of the multiplication and division operations. Unpack the first IN_LEN HOST_WIDE_INTs in INPUT into 2 * IN_LEN HOST_HALF_WIDE_INTs of RESULT. The rest of RESULT is filled by @@ -2002,10 +1962,6 @@ wi::clz (const wide_int_ref &x) /* The upper bit is set, so there are no leading zeros. */ return 0; - /* Check whether the value is zero. */ - if (high == 0 && x.len == 1) - return clz_zero (x.precision); - /* We don't need to look below HIGH. Either HIGH is nonzero, or the top bit of the block below is nonzero; clz_hwi is HOST_BITS_PER_WIDE_INT in the latter case. */ @@ -2047,7 +2003,7 @@ int wi::ctz (const wide_int_ref &x) { if (x.len == 1 && x.ulow () == 0) - return ctz_zero (x.precision); + return x.precision; /* Having dealt with the zero case, there must be a block with a nonzero bit. We don't care about the bits above the first 1. */ |