patches/gcc/4.2.3/260-flatten-switch-stmt-00.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Sat Jan 03 21:11:41 2009 +0000 (2009-01-03)
changeset 1112 c72aecd1a9ef
parent 431 8bde4c6ea47a
permissions -rw-r--r--
Get rid of all stuff related to building a /delivery' traball:
- building a delivery tarball has long been broken (since crostool-Ng is installable)
- get rid of implied do_print_filename, that can be mis-leading now tarballs can not be built

/trunk/scripts/build/kernel/bare-metal.sh | 4 0 4 0 ----
/trunk/scripts/build/kernel/linux.sh | 4 0 4 0 ----
/trunk/scripts/build/tools/000-template.sh | 11 0 11 0 -----------
/trunk/scripts/build/tools/100-libelf.sh | 4 0 4 0 ----
/trunk/scripts/build/tools/200-sstrip.sh | 11 1 10 0 +----------
/trunk/scripts/build/binutils.sh | 4 0 4 0 ----
/trunk/scripts/build/cc/gcc.sh | 5 0 5 0 -----
/trunk/scripts/build/debug/000-template.sh | 11 0 11 0 -----------
/trunk/scripts/build/debug/100-dmalloc.sh | 4 0 4 0 ----
/trunk/scripts/build/debug/400-ltrace.sh | 4 0 4 0 ----
/trunk/scripts/build/debug/300-gdb.sh | 7 0 7 0 -------
/trunk/scripts/build/debug/500-strace.sh | 4 0 4 0 ----
/trunk/scripts/build/debug/200-duma.sh | 4 0 4 0 ----
/trunk/scripts/build/libc/none.sh | 5 0 5 0 -----
/trunk/scripts/build/libc/glibc.sh | 10 0 10 0 ----------
/trunk/scripts/build/libc/uClibc.sh | 6 0 6 0 ------
/trunk/scripts/build/libc/eglibc.sh | 10 0 10 0 ----------
/trunk/scripts/build/gmp.sh | 6 0 6 0 ------
/trunk/scripts/build/mpfr.sh | 6 0 6 0 ------
/trunk/docs/overview.txt | 9 0 9 0 ---------
20 files changed, 1 insertion(+), 128 deletions(-)
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diff -durN gcc-4.2.1.orig/gcc/stmt.c gcc-4.2.1/gcc/stmt.c
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--- gcc-4.2.1.orig/gcc/stmt.c	2007-07-19 05:25:32.000000000 +0200
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+++ gcc-4.2.1/gcc/stmt.c	2007-08-03 20:37:19.000000000 +0200
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@@ -2512,7 +2512,11 @@
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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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 	  emit_jump (default_label);
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 	}
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@@ -3070,6 +3074,7 @@
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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,