diff options
| author | mrs <mrs@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-08-13 20:41:07 +0000 |
|---|---|---|
| committer | mrs <mrs@138bc75d-0d04-0410-961f-82ee72b054a4> | 2013-08-13 20:41:07 +0000 |
| commit | e913b5cd5b6a9bd3a2ad58c65f9e3cd2bb55a28c (patch) | |
| tree | f52a097017e3dcf89fad6525984e4591489f961e /gcc/cse.c | |
| parent | 9a5942c1d4d9116ab74b0741cfe3894a89fd17fb (diff) | |
| download | gcc-e913b5cd5b6a9bd3a2ad58c65f9e3cd2bb55a28c.tar.gz | |
Add wide-int branch.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/wide-int@201707 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cse.c')
| -rw-r--r-- | gcc/cse.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/gcc/cse.c b/gcc/cse.c index ee1b7be1170..744a495b16e 100644 --- a/gcc/cse.c +++ b/gcc/cse.c @@ -2331,15 +2331,23 @@ 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: @@ -3283,8 +3291,8 @@ fold_rtx (rtx x, rtx insn) break; new_rtx = simplify_unary_operation (code, mode, - const_arg0 ? const_arg0 : folded_arg0, - mode_arg0); + const_arg0 ? const_arg0 : folded_arg0, + mode_arg0); } break; @@ -3756,6 +3764,7 @@ 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; |