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patches/gcc/3.4.6/180-pr15068-fix.patch
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Wed Dec 26 13:30:51 2012 +0100 (2012-12-26)
changeset 3145 598880dab0f3
parent 339 bd5e0a849352
permissions -rw-r--r--
libc/glibc: both glibc and eglibc have pkgversion and bugurl

Well, all eglibc version we support do, and latest glibc versions
we support do.

Not all glibc versions do, but older versions simply ignore the
unrecognised ./configure flags.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr> 
     1 diff -durN gcc-3.4.6.orig/gcc/flow.c gcc-3.4.6/gcc/flow.c

     2 --- gcc-3.4.6.orig/gcc/flow.c	2005-09-01 22:51:09.000000000 +0200

     3 +++ gcc-3.4.6/gcc/flow.c	2007-08-15 23:00:30.000000000 +0200

     4 @@ -1884,6 +1884,7 @@

     5  	  rtx set_src = SET_SRC (pc_set (BB_END (bb)));

     6  	  rtx cond_true = XEXP (set_src, 0);

     7  	  rtx reg = XEXP (cond_true, 0);

     8 + 	  enum rtx_code inv_cond;

     9  

    10  	  if (GET_CODE (reg) == SUBREG)

    11  	    reg = SUBREG_REG (reg);

    12 @@ -1892,11 +1893,13 @@

    13  	     in the form of a comparison of a register against zero.  

    14  	     If the condition is more complex than that, then it is safe

    15  	     not to record any information.  */

    16 -	  if (GET_CODE (reg) == REG

    17 + 	  inv_cond = reversed_comparison_code (cond_true, BB_END (bb));

    18 + 	  if (inv_cond != UNKNOWN

    19 +	      && GET_CODE (reg) == REG

    20  	      && XEXP (cond_true, 1) == const0_rtx)

    21  	    {

    22  	      rtx cond_false

    23 -		= gen_rtx_fmt_ee (reverse_condition (GET_CODE (cond_true)),

    24 +		= gen_rtx_fmt_ee (inv_cond,

    25  				  GET_MODE (cond_true), XEXP (cond_true, 0),

    26  				  XEXP (cond_true, 1));

    27  	      if (GET_CODE (XEXP (set_src, 1)) == PC)
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