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[Bug middle-end/52375] [4.7 Regression] internal compiler error: in extract_insn, at recog.c:2123 at -O3 -mfpu=neon
- From: "steven at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Sat, 25 Feb 2012 12:29:08 +0000
- Subject: [Bug middle-end/52375] [4.7 Regression] internal compiler error: in extract_insn, at recog.c:2123 at -O3 -mfpu=neon
- Auto-submitted: auto-generated
- References: <bug-52375-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52375
--- Comment #5 from Steven Bosscher <steven at gcc dot gnu.org> 2012-02-25 12:29:08 UTC ---
The unreduced test case fails for me with options:
"-march=armv7-a -mfloat-abi=softfp -mfpu=neon -O -ftree-vectorize"
The compiler is trunk r184372, configured for arm-eabi.
Backtrace:
#0 0x0000000000eccd50 in fancy_abort ()
#1 0x00000000009d30b3 in _fatal_insn ()
#2 0x00000000009d30f2 in _fatal_insn_not_found ()
#3 0x00000000009a646e in extract_insn ()
#4 0x00000000008868ec in instantiate_virtual_regs ()
#5 0x0000000000985d39 in execute_one_pass ()
#6 0x00000000009860a5 in execute_pass_list ()
#7 0x00000000009860b7 in execute_pass_list ()
#8 0x0000000000a9c6d8 in tree_rest_of_compilation ()
#9 0x0000000000763e0a in cgraph_expand_function ()
#10 0x000000000076783a in cgraph_optimize ()
#11 0x0000000000767d95 in cgraph_finalize_compilation_unit ()
#12 0x00000000005871bb in cp_write_global_declarations ()
#13 0x0000000000a2c387 in do_compile ()
#14 0x0000000000a2ca74 in toplev_main ()