massive cleanup of toolchain/

[openwrt-10.03/.git] / toolchain / gcc / patches / 3.4.4 / 700-pr15068-fix.patch

diff --git a/toolchain/gcc/patches/3.4.4/700-pr15068-fix.patch b/toolchain/gcc/patches/3.4.4/700-pr15068-fix.patch
new file mode 100644 (file)
index 0000000..2977765
--- /dev/null
+++ b/toolchain/gcc/patches/3.4.4/700-pr15068-fix.patch
@@ -0,0 +1,44 @@
+See http://gcc.gnu.org/PR15068
+
+Fixes 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:3257
+Please 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 1
+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'
+make[1]: *** [math/others] Error 2
+make[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 as
+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 ]
+
+--- 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)