aboutsummaryrefslogtreecommitdiff
path: root/toolchain/gcc/3.4.5/700-pr15068-fix.patch
diff options
context:
space:
mode:
Diffstat (limited to 'toolchain/gcc/3.4.5/700-pr15068-fix.patch')
-rw-r--r--toolchain/gcc/3.4.5/700-pr15068-fix.patch44
1 files changed, 44 insertions, 0 deletions
diff --git a/toolchain/gcc/3.4.5/700-pr15068-fix.patch b/toolchain/gcc/3.4.5/700-pr15068-fix.patch
new file mode 100644
index 0000000000..2977765c5f
--- /dev/null
+++ b/toolchain/gcc/3.4.5/700-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)