diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-08-18 12:42:22 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2011-08-18 12:42:22 +0000 |
| commit | 84cc84ec7a2fd40393bad8b660bc6146ee78e1a9 (patch) | |
| tree | 67722dd90363343ba8f112a4246a54e507e3688c /gcc/tree-ssa-loop-ivopts.c | |
| parent | 20d892d1b5bad381d02001ab7beef9b34b2223e6 (diff) | |
| download | gcc-84cc84ec7a2fd40393bad8b660bc6146ee78e1a9.tar.gz | |
2011-08-18 Richard Guenther <rguenther@suse.de>
* tree.h (tree_int_cst_msb): Remove.
* tree.c (tree_int_cst_msb): Likewise.
(tree_int_cst_sign_bit): Move from ...
* tree-ssa-loop-ivopts.c (tree_int_cst_sign_bit): ... here.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@177853 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-loop-ivopts.c')
| -rw-r--r-- | gcc/tree-ssa-loop-ivopts.c | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/gcc/tree-ssa-loop-ivopts.c b/gcc/tree-ssa-loop-ivopts.c index c9398270d28..0efa716c9b1 100644 --- a/gcc/tree-ssa-loop-ivopts.c +++ b/gcc/tree-ssa-loop-ivopts.c @@ -2892,26 +2892,6 @@ var_at_stmt (struct loop *loop, struct iv_cand *cand, gimple stmt) return cand->var_before; } -/* Return the most significant (sign) bit of T. Similar to tree_int_cst_msb, - but the bit is determined from TYPE_PRECISION, not MODE_BITSIZE. */ - -int -tree_int_cst_sign_bit (const_tree t) -{ - unsigned bitno = TYPE_PRECISION (TREE_TYPE (t)) - 1; - unsigned HOST_WIDE_INT w; - - if (bitno < HOST_BITS_PER_WIDE_INT) - w = TREE_INT_CST_LOW (t); - else - { - w = TREE_INT_CST_HIGH (t); - bitno -= HOST_BITS_PER_WIDE_INT; - } - - return (w >> bitno) & 1; -} - /* If A is (TYPE) BA and B is (TYPE) BB, and the types of BA and BB have the same precision that is at least as wide as the precision of TYPE, stores BA to A and BB to B, and returns the type of BA. Otherwise, returns the |