diff options
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/gcc/cse.c b/gcc/cse.c index 0e28f487296..5c8bfd0e663 100644 --- a/gcc/cse.c +++ b/gcc/cse.c @@ -2336,15 +2336,23 @@ hash_rtx_cb (const_rtx x, enum machine_mode mode, + (unsigned int) INTVAL (x)); return hash; + case CONST_WIDE_INT: + { + int i; + for (i = 0; i < CONST_WIDE_INT_NUNITS (x); i++) + hash += CONST_WIDE_INT_ELT (x, i); + } + return hash; + case CONST_DOUBLE: /* This is like the general case, except that it only counts the integers representing the constant. */ hash += (unsigned int) code + (unsigned int) GET_MODE (x); - if (GET_MODE (x) != VOIDmode) - hash += real_hash (CONST_DOUBLE_REAL_VALUE (x)); - else + if (TARGET_SUPPORTS_WIDE_INT == 0 && GET_MODE (x) == VOIDmode) hash += ((unsigned int) CONST_DOUBLE_LOW (x) + (unsigned int) CONST_DOUBLE_HIGH (x)); + else + hash += real_hash (CONST_DOUBLE_REAL_VALUE (x)); return hash; case CONST_FIXED: @@ -3761,6 +3769,7 @@ equiv_constant (rtx x) /* See if we previously assigned a constant value to this SUBREG. */ if ((new_rtx = lookup_as_function (x, CONST_INT)) != 0 + || (new_rtx = lookup_as_function (x, CONST_WIDE_INT)) != 0 || (new_rtx = lookup_as_function (x, CONST_DOUBLE)) != 0 || (new_rtx = lookup_as_function (x, CONST_FIXED)) != 0) return new_rtx; |