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https://github.com/crosstool-ng/crosstool-ng.git
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d34501d3c7
Add 4.4.5, propagate patchset from 4.4.4. Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
25 lines
941 B
Diff
25 lines
941 B
Diff
diff -durN gcc-4.4.5.orig/gcc/stmt.c gcc-4.4.5/gcc/stmt.c
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--- gcc-4.4.5.orig/gcc/stmt.c 2010-03-08 12:46:28.000000000 +0100
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+++ gcc-4.4.5/gcc/stmt.c 2010-10-09 23:01:01.000000000 +0200
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@@ -2377,7 +2377,11 @@
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use_cost_table
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= (TREE_CODE (orig_type) != ENUMERAL_TYPE
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&& estimate_case_costs (case_list));
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- balance_case_nodes (&case_list, NULL);
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+ /* When optimizing for size, we want a straight list to avoid
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+ jumps as much as possible. This basically creates an if-else
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+ chain. */
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+ if (!optimize_size)
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+ balance_case_nodes (&case_list, NULL);
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emit_case_nodes (index, case_list, default_label, index_type);
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if (default_label)
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emit_jump (default_label);
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@@ -2943,6 +2947,7 @@
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{
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if (!node_has_low_bound (node, index_type))
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{
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+ if (!optimize_size) /* don't jl to the .default_label. */
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emit_cmp_and_jump_insns (index,
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convert_modes
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(mode, imode,
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