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[Bug target/40836] ICE: "insn does not satisfy its constraints" (iwmmxt_movsi_insn)
- From: "enrico dot scholz at informatik dot tu-chemnitz dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 23 Oct 2009 15:13:27 -0000
- Subject: [Bug target/40836] ICE: "insn does not satisfy its constraints" (iwmmxt_movsi_insn)
- References: <bug-40836-3461@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #9 from enrico dot scholz at informatik dot tu-chemnitz dot de 2009-10-23 15:13 -------
Core problem seemss to be that 4.4 differs between CORE_REGS and GENERAL_REGS
(CORE_REGS without r13/sp) and the "r", "l" + "h" constraints in the .md rules
apply to GENERAL_REGS only. This makes some valid machine code combinations
impossible and will cause ICE hence.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40836