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[Bug target/44546] [4.5/4.6 Regression] ICE in extract_insn, at recog.c:2103 with -ffast-math -Os (compiling graphviz)



------- Comment #10 from uros at gcc dot gnu dot org  2010-06-21 14:52 -------
Subject: Bug 44546

Author: uros
Date: Mon Jun 21 14:52:07 2010
New Revision: 161085

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=161085
Log:
        PR target/44546
        * config/i386/predicates.md (ix86_swapped_fp_comparsion_operator):
        New predicate.
        * config/i386/i386.md (*fp_jcc_8<mode>_387 and splitters): Use
        ix86_swapped_fp_comparsion_operator instead of
        ix86_fp_comparison_operator.

        (*fp_jcc_1_387): Rename from *fp_jcc_3_387.
        (*fp_jcc_1r_387): Rename from *fp_jcc_4_387.
        (*fp_jcc_2_387): Rename from *fp_jcc_5_387.
        (*fp_jcc_2r_387): Rename from *fp_jcc_6_387.
        (*fp_jcc_3_387): Rename from *fp_jcc_7_387.
        (*fp_jcc_4_<mode>_387): Rename from *fp_jcc_8<mode>_387.

testsuite/ChangeLog:

        PR target/44546
        * gcc.target/i386/pr44546.c: New test.


Added:
    branches/gcc-4_5-branch/gcc/testsuite/gcc.target/i386/pr44546.c
Modified:
    branches/gcc-4_5-branch/gcc/ChangeLog
    branches/gcc-4_5-branch/gcc/config/i386/i386.md
    branches/gcc-4_5-branch/gcc/config/i386/predicates.md
    branches/gcc-4_5-branch/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44546


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