[PATCH][RFC][wide-int] Fix some build errors on arm in wide-int branch and report ICE

[Kyrill Tkachov]

Ping.
http://gcc.gnu.org/ml/gcc-patches/2014-04/msg00769.html
Any ideas? I recall chatter on IRC that we want to merge wide-int into trunk 
soon. Bootstrap failure on arm would prevent that...

Thanks,
Kyrill

On 15/04/14 12:03, Kyrill Tkachov wrote:
> Hi all (and wide-int maintainers in particular),
>
> I tried bootstrapping the wide-int branch on arm-none-linux-gnueabihf and encountered some syntax errors while building wide-int.h and wide-int.cc in expressions that tried to cast to HOST_WIDE_INT. This patch fixes those errors. Also, in c-ada-spec.c I think we intended to use the HOST_WIDE_INT_PRINT format rather than HOST_LONG_FORMAT, since on arm-linux HOST_WIDE_INT is a 'long long'.
>
> The attached patch allowed the build to proceed for me, but in stage 2 I encountered an ICE:
>
> $TOP/gcc/dwarf2out.c: In function 'long unsigned int _ZL11size_of_dieP10die_struct.isra.209(vec<dw_attr_struct, va_gc>**, long unsigned int)':
> $TOP/gcc/dwarf2out.c:7820:1: internal compiler error: in set_value_range, at tree-vrp.c:452
>    size_of_die (dw_die_ref die)
>    ^
> 0xa825c1 set_value_range
>           $TOP/gcc/tree-vrp.c:452
> 0xa8a441 extract_range_basic
>           $TOP/gcc/tree-vrp.c:3679
> 0xa92c13 vrp_visit_assignment_or_call
>           $TOP/gcc/tree-vrp.c:6725
> 0xa947eb vrp_visit_stmt
>           $TOP/gcc/tree-vrp.c:7538
> 0x9d4d47 simulate_stmt
>           $TOP/gcc/tree-ssa-propagate.c:329
> 0x9d5047 simulate_block
>           $TOP/gcc/tree-ssa-propagate.c:452
> 0x9d5e23 ssa_propagate(ssa_prop_result (*)(gimple_statement_base*, edge_def**, tree_node**), ssa_prop_result (*)(gimple_statement_base*))
>           $TOP/gcc/tree-ssa-propagate.c:859
> 0xa9a1e1 execute_vrp
>           $TOP/gcc/tree-vrp.c:9781
> 0xa9a4a3 execute
>           $TOP/gcc/tree-vrp.c:9872
> Please submit a full bug report,
> with preprocessed source if appropriate.
> Please include the complete backtrace with any bug report.
> See <http://gcc.gnu.org/bugs.html> for instructions.
>
>
> Any ideas? The compiler was configured with: --enable-languages=c,c++,fortran --with-cpu=cortex-a15 --with-float=hard --with-mode=thumb
>
> Thanks,
> Kyrill
>
>
> gcc/
> 2014-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
>
> 	* wide-int.h (sign_mask): Fix syntax error.
> 	* wide-int.cc (wi::add_large): Likewise.
> 	(mul_internal): Likewise.
> 	(sub_large): Likewise.
> 	
> c-family/
> 2014-04-15  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
>
> 	* c-ada-spec.c (dump_generic_ada_node): Use HOST_WIDE_INT_PRINT
> 	instead of HOST_LONG_FORMAT.