See http://gcc.gnu.org/PR15068Fixes error../sysdeps/generic/s_fmax.c: In function `__fmax':../sysdeps/generic/s_fmax.c:28: internal compiler error: in elim_reg_cond, at flow.c:3257Please submit a full bug report,with preprocessed source if appropriate.See <URL:http://gcc.gnu.org/bugs.html> for instructions.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 1make[2]: Leaving directory `/home/dank/wk/crosstool-0.28-rc35/build/arm-unknown-linux-gnu/gcc-3.4.1-glibc-20040822/glibc-20040822/math'make[1]: *** [math/others] Error 2make[1]: Leaving directory `/home/dank/wk/crosstool-0.28-rc35/build/arm-unknown-linux-gnu/gcc-3.4.1-glibc-20040822/glibc-20040822'make: *** [all] Error 2[ rediffed against gcc-3.4.1, with elbow grease, ending up with same thing ashttp://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 ]--- gcc-3.4.1/gcc/flow.c.old	2004-02-27 19:39:19.000000000 -0800+++ gcc-3.4.1/gcc/flow.c	2004-08-26 07:29:46.000000000 -0700@@ -1878,6 +1878,7 @@ 	  rtx set_src = SET_SRC (pc_set (BB_END (bb))); 	  rtx cond_true = XEXP (set_src, 0); 	  rtx reg = XEXP (cond_true, 0);+ 	  enum rtx_code inv_cond;  	  if (GET_CODE (reg) == SUBREG) 	    reg = SUBREG_REG (reg);@@ -1886,11 +1887,13 @@ 	     in the form of a comparison of a register against zero.   	     If the condition is more complex than that, then it is safe 	     not to record any information.  */-	  if (GET_CODE (reg) == REG+ 	  inv_cond = reversed_comparison_code (cond_true, BB_END (bb));+ 	  if (inv_cond != UNKNOWN+	      && GET_CODE (reg) == REG 	      && XEXP (cond_true, 1) == const0_rtx) 	    { 	      rtx cond_false-		= gen_rtx_fmt_ee (reverse_condition (GET_CODE (cond_true)),+		= gen_rtx_fmt_ee (inv_cond, 				  GET_MODE (cond_true), XEXP (cond_true, 0), 				  XEXP (cond_true, 1)); 	      if (GET_CODE (XEXP (set_src, 1)) == PC)