diff options
Diffstat (limited to 'toolchain/gcc/patches/3.4.6-nonmips/700-pr15068-fix.patch')
| -rw-r--r-- | toolchain/gcc/patches/3.4.6-nonmips/700-pr15068-fix.patch | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/toolchain/gcc/patches/3.4.6-nonmips/700-pr15068-fix.patch b/toolchain/gcc/patches/3.4.6-nonmips/700-pr15068-fix.patch new file mode 100644 index 0000000000..2977765c5f --- /dev/null +++ b/toolchain/gcc/patches/3.4.6-nonmips/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) |