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| author | Richard Guenther <rguenther@suse.de> | 2012-10-08 11:58:03 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2012-10-08 11:58:03 +0000 |
| commit | 91af9dc984aef60a44002758dd80a5e178ddec04 (patch) | |
| tree | 0366d9fd3496ec410bfcf8987b7f5b77736e7c41 /gcc/tree-ssa-sccvn.c | |
| parent | 585d0dc43c1323a1b1fde9de6f6ee95dfc065ff2 (diff) | |
| download | gcc-91af9dc984aef60a44002758dd80a5e178ddec04.zip gcc-91af9dc984aef60a44002758dd80a5e178ddec04.tar.gz gcc-91af9dc984aef60a44002758dd80a5e178ddec04.tar.bz2 | |
re PR tree-optimization/54825 (ICE with vector extension)
2012-10-08 Richard Guenther <rguenther@suse.de>
PR tree-optimization/54825
* tree-ssa-sccvn.c (vn_nary_length_from_stmt): Handle BIT_FIELD_REF.
(init_vn_nary_op_from_stmt): Likewise.
* tree-ssa-pre.c (compute_avail): Use vn_nary_op_lookup_stmt.
* tree-ssa-sccvn.h (sizeof_vn_nary_op): Avoid overflow.
From-SVN: r192205
Diffstat (limited to 'gcc/tree-ssa-sccvn.c')
| -rw-r--r-- | gcc/tree-ssa-sccvn.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/tree-ssa-sccvn.c b/gcc/tree-ssa-sccvn.c index 832328d..2391632 100644 --- a/gcc/tree-ssa-sccvn.c +++ b/gcc/tree-ssa-sccvn.c @@ -2194,6 +2194,9 @@ vn_nary_length_from_stmt (gimple stmt) case VIEW_CONVERT_EXPR: return 1; + case BIT_FIELD_REF: + return 3; + case CONSTRUCTOR: return CONSTRUCTOR_NELTS (gimple_assign_rhs1 (stmt)); @@ -2220,6 +2223,13 @@ init_vn_nary_op_from_stmt (vn_nary_op_t vno, gimple stmt) vno->op[0] = TREE_OPERAND (gimple_assign_rhs1 (stmt), 0); break; + case BIT_FIELD_REF: + vno->length = 3; + vno->op[0] = TREE_OPERAND (gimple_assign_rhs1 (stmt), 0); + vno->op[1] = TREE_OPERAND (gimple_assign_rhs1 (stmt), 1); + vno->op[2] = TREE_OPERAND (gimple_assign_rhs1 (stmt), 2); + break; + case CONSTRUCTOR: vno->length = CONSTRUCTOR_NELTS (gimple_assign_rhs1 (stmt)); for (i = 0; i < vno->length; ++i) @@ -2227,6 +2237,7 @@ init_vn_nary_op_from_stmt (vn_nary_op_t vno, gimple stmt) break; default: + gcc_checking_assert (!gimple_assign_single_p (stmt)); vno->length = gimple_num_ops (stmt) - 1; for (i = 0; i < vno->length; ++i) vno->op[i] = gimple_op (stmt, i + 1); |