diff options
| author | Zdenek Sojka <zsojka@seznam.cz> | 2016-04-05 18:58:50 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2016-04-05 18:58:50 +0200 |
| commit | 5e8c2eb17e0eb237fe89458caadcb935fb9e20ff (patch) | |
| tree | 901ac968cac4e3136dab48d308c51cda3f90056b /gcc/tree-ssa-forwprop.c | |
| parent | c0daf32d0cd8c1ddac7f347058ea42caf15afd96 (diff) | |
| download | gcc-5e8c2eb17e0eb237fe89458caadcb935fb9e20ff.zip gcc-5e8c2eb17e0eb237fe89458caadcb935fb9e20ff.tar.gz gcc-5e8c2eb17e0eb237fe89458caadcb935fb9e20ff.tar.bz2 | |
re PR tree-optimization/70509 (wrong code with extract from a v64qi)
PR tree-optimization/70509
* tree-ssa-forwprop.c (simplify_bitfield_ref): Use bitsize_int instead
of the vector base type for index.
* gcc.target/i386/avx512bw-pr70509.c: New test.
From-SVN: r234754
Diffstat (limited to 'gcc/tree-ssa-forwprop.c')
| -rw-r--r-- | gcc/tree-ssa-forwprop.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/gcc/tree-ssa-forwprop.c b/gcc/tree-ssa-forwprop.c index f64ee0a..c40f9e2 100644 --- a/gcc/tree-ssa-forwprop.c +++ b/gcc/tree-ssa-forwprop.c @@ -1773,7 +1773,7 @@ simplify_bitfield_ref (gimple_stmt_iterator *gsi) if (code == VEC_PERM_EXPR) { - tree p, m, index, tem; + tree p, m, tem; unsigned nelts; m = gimple_assign_rhs3 (def_stmt); if (TREE_CODE (m) != VECTOR_CST) @@ -1790,9 +1790,8 @@ simplify_bitfield_ref (gimple_stmt_iterator *gsi) p = gimple_assign_rhs2 (def_stmt); idx -= nelts; } - index = build_int_cst (TREE_TYPE (TREE_TYPE (m)), idx * size); tem = build3 (BIT_FIELD_REF, TREE_TYPE (op), - unshare_expr (p), op1, index); + unshare_expr (p), op1, bitsize_int (idx * size)); gimple_assign_set_rhs1 (stmt, tem); fold_stmt (gsi); update_stmt (gsi_stmt (*gsi)); |