patches/gcc/4.4.2/190-flatten-switch-stmt-00.patch
author Titus von Boxberg <titus@v9g.de>
Mon Aug 22 09:26:02 2011 +0200 (2011-08-22)
changeset 2630 f86af11138ea
parent 1544 2228ea3f6b79
permissions -rw-r--r--
debug/ltrace: Fix HOST_OS and ar

HOST_OS really is the target OS. Allow setting it for configure
via an environment variable.
libltrace.a should have an index:
Allow ar to be set as an environment variable, and generate
an index in this lib.

Reported-by: "Guylhem Aznar" <crossgcc@guylhem.net>
Signed-off-by: "Titus von Boxberg" <titus@v9g.de>
     1 diff -durN gcc-4.4.0.orig/gcc/stmt.c gcc-4.4.0/gcc/stmt.c
     2 --- gcc-4.4.0.orig/gcc/stmt.c	2009-02-27 20:49:42.000000000 +0100
     3 +++ gcc-4.4.0/gcc/stmt.c	2009-05-27 21:38:21.000000000 +0200
     4 @@ -2376,7 +2376,11 @@
     5  	  use_cost_table
     6  	    = (TREE_CODE (orig_type) != ENUMERAL_TYPE
     7  	       && estimate_case_costs (case_list));
     8 -	  balance_case_nodes (&case_list, NULL);
     9 +	  /* When optimizing for size, we want a straight list to avoid
    10 +	     jumps as much as possible. This basically creates an if-else
    11 +	     chain.  */
    12 +	  if (!optimize_size)
    13 +	    balance_case_nodes (&case_list, NULL);
    14  	  emit_case_nodes (index, case_list, default_label, index_type);
    15  	  if (default_label)
    16  	    emit_jump (default_label);
    17 @@ -2942,6 +2946,7 @@
    18  	    {
    19  	      if (!node_has_low_bound (node, index_type))
    20  		{
    21 +		  if (!optimize_size) /* don't jl to the .default_label. */
    22  		  emit_cmp_and_jump_insns (index,
    23  					   convert_modes
    24  					   (mode, imode,