yann@313: diff -durN gcc-4.2.1.orig/gcc/stmt.c gcc-4.2.1/gcc/stmt.c yann@313: --- gcc-4.2.1.orig/gcc/stmt.c 2007-07-19 05:25:32.000000000 +0200 yann@313: +++ gcc-4.2.1/gcc/stmt.c 2007-08-03 20:37:19.000000000 +0200 yann@313: @@ -2512,7 +2512,11 @@ yann@313: use_cost_table yann@313: = (TREE_CODE (orig_type) != ENUMERAL_TYPE yann@313: && estimate_case_costs (case_list)); yann@313: - balance_case_nodes (&case_list, NULL); yann@313: + /* When optimizing for size, we want a straight list to avoid yann@313: + jumps as much as possible. This basically creates an if-else yann@313: + chain. */ yann@313: + if (!optimize_size) yann@313: + balance_case_nodes (&case_list, NULL); yann@313: emit_case_nodes (index, case_list, default_label, index_type); yann@313: emit_jump (default_label); yann@313: } yann@313: @@ -3070,6 +3074,7 @@ yann@313: { yann@313: if (!node_has_low_bound (node, index_type)) yann@313: { yann@313: + if (!optimize_size) /* don't jl to the .default_label. */ yann@313: emit_cmp_and_jump_insns (index, yann@313: convert_modes yann@313: (mode, imode,