[Bug target/43305] [4.4/4.5 Regression] ICE: in emit_unop_insn, at optabs.c:3838 with -Os -ffast-math and ilogbl()

[matz at gcc dot gnu dot org]

------- Comment #7 from matz at gcc dot gnu dot org  2010-03-19 12:37 -------
Subject: Bug 43305

Author: matz
Date: Fri Mar 19 12:37:28 2010
New Revision: 157567

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=157567
Log:
        PR 43305
        * builtins.c (expand_builtin_interclass_mathfn,
        expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
        if that fails.

testsuite/
        * gcc.dg/pr43305.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.dg/pr43305.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/builtins.c
    trunk/gcc/testsuite/ChangeLog


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43305