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authorRichard Guenther <rguenther@suse.de>2016-05-20 09:17:16 +0000
committerRichard Biener <rguenth@gcc.gnu.org>2016-05-20 09:17:16 +0000
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re PR target/29756 (SSE intrinsics hard to use without redundant temporaries appearing)
2016-05-20 Richard Guenther <rguenther@suse.de> PR tree-optimization/29756 * tree.def (BIT_INSERT_EXPR): New tcc_expression tree code. * expr.c (expand_expr_real_2): Handle BIT_INSERT_EXPR. * fold-const.c (operand_equal_p): Likewise. (fold_ternary_loc): Add constant folding of BIT_INSERT_EXPR. * gimplify.c (gimplify_expr): Handle BIT_INSERT_EXPR. * tree-inline.c (estimate_operator_cost): Likewise. * tree-pretty-print.c (dump_generic_node): Likewise. * tree-ssa-operands.c (get_expr_operands): Likewise. * cfgexpand.c (expand_debug_expr): Likewise. * gimple-pretty-print.c (dump_ternary_rhs): Likewise. * gimple.c (get_gimple_rhs_num_ops): Handle BIT_INSERT_EXPR. * tree-cfg.c (verify_gimple_assign_ternary): Verify BIT_INSERT_EXPR. * tree-ssa.c (non_rewritable_lvalue_p): We can rewrite vector inserts using BIT_FIELD_REF or MEM_REF on the lhs. (execute_update_addresses_taken): Do it. * gcc.dg/tree-ssa/vector-6.c: New testcase. From-SVN: r236501
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