1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/patches/gcc/3.4.1/pr15068-fix.patch	Sat Feb 24 11:00:05 2007 +0000
     1.3 @@ -0,0 +1,44 @@
     1.4 +See http://gcc.gnu.org/PR15068
     1.5 +
     1.6 +Fixes error
     1.7 +
     1.8 +../sysdeps/generic/s_fmax.c: In function `__fmax':
     1.9 +../sysdeps/generic/s_fmax.c:28: internal compiler error: in elim_reg_cond, at flow.c:3257
    1.10 +Please submit a full bug report,
    1.11 +with preprocessed source if appropriate.
    1.12 +See <URL:http://gcc.gnu.org/bugs.html> for instructions.
    1.13 +make[2]: *** [/home/dank/wk/crosstool-0.28-rc35/build/arm-unknown-linux-gnu/gcc-3.4.1-glibc-20040822/build-glibc/math/s_fmax.o] Error 1
    1.14 +make[2]: Leaving directory `/home/dank/wk/crosstool-0.28-rc35/build/arm-unknown-linux-gnu/gcc-3.4.1-glibc-20040822/glibc-20040822/math'
    1.15 +make[1]: *** [math/others] Error 2
    1.16 +make[1]: Leaving directory `/home/dank/wk/crosstool-0.28-rc35/build/arm-unknown-linux-gnu/gcc-3.4.1-glibc-20040822/glibc-20040822'
    1.17 +make: *** [all] Error 2
    1.18 +
    1.19 +[ rediffed against gcc-3.4.1, with elbow grease, ending up with same thing as
    1.20 +http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/flow.c.diff?cvsroot=gcc&only_with_tag=csl-arm-branch&r1=1.563.4.2&r2=1.563.4.3 ]
    1.21 +
    1.22 +--- gcc-3.4.1/gcc/flow.c.old	2004-02-27 19:39:19.000000000 -0800
    1.23 ++++ gcc-3.4.1/gcc/flow.c	2004-08-26 07:29:46.000000000 -0700
    1.24 +@@ -1878,6 +1878,7 @@
    1.25 + 	  rtx set_src = SET_SRC (pc_set (BB_END (bb)));
    1.26 + 	  rtx cond_true = XEXP (set_src, 0);
    1.27 + 	  rtx reg = XEXP (cond_true, 0);
    1.28 ++ 	  enum rtx_code inv_cond;
    1.29 + 
    1.30 + 	  if (GET_CODE (reg) == SUBREG)
    1.31 + 	    reg = SUBREG_REG (reg);
    1.32 +@@ -1886,11 +1887,13 @@
    1.33 + 	     in the form of a comparison of a register against zero.  
    1.34 + 	     If the condition is more complex than that, then it is safe
    1.35 + 	     not to record any information.  */
    1.36 +-	  if (GET_CODE (reg) == REG
    1.37 ++ 	  inv_cond = reversed_comparison_code (cond_true, BB_END (bb));
    1.38 ++ 	  if (inv_cond != UNKNOWN
    1.39 ++	      && GET_CODE (reg) == REG
    1.40 + 	      && XEXP (cond_true, 1) == const0_rtx)
    1.41 + 	    {
    1.42 + 	      rtx cond_false
    1.43 +-		= gen_rtx_fmt_ee (reverse_condition (GET_CODE (cond_true)),
    1.44 ++		= gen_rtx_fmt_ee (inv_cond,
    1.45 + 				  GET_MODE (cond_true), XEXP (cond_true, 0),
    1.46 + 				  XEXP (cond_true, 1));
    1.47 + 	      if (GET_CODE (XEXP (set_src, 1)) == PC)