patches/gcc/4.2.1/260-flatten-switch-stmt-00.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Fri Nov 21 06:39:52 2008 +0000 (2008-11-21)
changeset 1066 753c86c242fc
parent 313 2f223aafc7cb
permissions -rw-r--r--
Update the PowerPC samples.

/trunk/samples/powerpc-e500v2-linux-gnuspe/crosstool.config | 43 26 17 0 +-
/trunk/samples/powerpc-unknown-linux-gnu/crosstool.config | 24 17 7 0 +
/trunk/samples/powerpc-unknown_nofpu-linux-gnu/crosstool.config | 24 17 7 0 +
/trunk/samples/powerpc-unknown-linux-uclibc/uClibc-0.9.30.config | 248 248 0 0 ++++++++++++++
/trunk/samples/powerpc-unknown-linux-uclibc/crosstool.config | 28 20 8 0 +-
/trunk/samples/powerpc-860-linux-gnu/crosstool.config | 30 19 11 0 +-
6 files changed, 347 insertions(+), 50 deletions(-)
     1 diff -durN gcc-4.2.1.orig/gcc/stmt.c gcc-4.2.1/gcc/stmt.c
     2 --- gcc-4.2.1.orig/gcc/stmt.c	2007-07-19 05:25:32.000000000 +0200
     3 +++ gcc-4.2.1/gcc/stmt.c	2007-08-03 20:37:19.000000000 +0200
     4 @@ -2512,7 +2512,11 @@
     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  	  emit_jump (default_label);
    16  	}
    17 @@ -3070,6 +3074,7 @@
    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,