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[Bug target/43610] [4.5 Regression] ICE: in prepare_float_lib_cmp, at optabs.c:4392 with -fno-trapping-math and _Decimal64 comparison
- From: "hjl dot tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 1 Apr 2010 13:59:35 -0000
- Subject: [Bug target/43610] [4.5 Regression] ICE: in prepare_float_lib_cmp, at optabs.c:4392 with -fno-trapping-math and _Decimal64 comparison
- References: <bug-43610-14164@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from hjl dot tools at gmail dot com 2010-04-01 13:59 -------
(In reply to comment #1)
> Because we only have an optab for LT (reversed UNGE), but
> FLOAT_LIB_COMPARE_RETURNS_BOOL is false.
>
> Without -fno-trapping-math we use LT from the start which works.
>
> I suppose FLOAT_LIB_COMPARE_RETURNS_BOOL should return true for decimal
> float modes on x86?
>
I don't think so.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43610