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Re: [lno] tree-ssa --> lno merge


Hello,

> > so if something breaks you know
> > who to shout at :-)
> 
> I get a few spec failures; I'm not sure it's related to the  recent merge,
> because it's the first time I'm using -ftree-loop-optimize. Below are the
> two errors that I'm getting.

these do not seem to be merge related.  On which architecture did you do
these tests?

Zdenek

> (1) compiling SPECs's gzip/inflate.c:
> 
> lno_gcc -fscalar-evolutions  -O3 -ftree-loop-optimize  inflate.c
> 
> inflate.c: In function `huft_build':
> inflate.c:284: internal compiler error: in force_gimple_operand, at
> tree-ssa-loop-ivopts.c:755
> 
> (gdb)
> Breakpoint 1, force_gimple_operand (expr=0x87ab00, stmts=0xbffff30c,
> var=0x85c480, simple=false) at ../../gcc/gcc/tree-ssa-loop-ivopts.c:755
> 755       abort ();
> (gdb) backtrace
> #0  force_gimple_operand (expr=0x87ab00, stmts=0xbffff30c, var=0x85c480,
> simple=false) at ../../gcc/gcc/tree-ssa-loop-ivopts.c:755
> #1  0x000eeac4 in force_gimple_operand (expr=0x87ab00, stmts=0xbffff30c,
> var=0x85c480, simple=false) at ../../gcc/gcc/tree-ssa-loop-ivopts.c:701
> #2  0x000eeac4 in force_gimple_operand (expr=0x87ab00, stmts=0xbffff30c,
> var=0x85c480, simple=false) at ../../gcc/gcc/tree-ssa-loop-ivopts.c:701
> #3  0x000f2e54 in rewrite_uses () at
> ../../gcc/gcc/tree-ssa-loop-ivopts.c:4613
> #4  0x000f5a5c in tree_ssa_iv_optimize_loop (loop=0x41918d30) at
> ../../gcc/gcc/tree-ssa-loop-ivopts.c:4850
> #5  0x000f62a8 in tree_ssa_iv_optimize (loops=0x41913d40) at
> ../../gcc/gcc/tree-ssa-loop-ivopts.c:4879
> #6  0x000e453c in tree_ssa_loop_opt () at ../../gcc/gcc/tree-ssa-loop.c:95
> #7  0x00081d14 in execute_pass_list (pass=0x553138) at
> ../../gcc/gcc/tree-optimize.c:417
> #8  0x00081d78 in execute_pass_list (pass=0x552ae8) at
> ../../gcc/gcc/tree-optimize.c:447
> #9  0x000820b0 in tree_rest_of_compilation (fndecl=0x62c080,
> nested_p=false) at ../../gcc/gcc/tree-optimize.c:540
> #10 0x0001ca4c in c_expand_body_1 (fndecl=0x551f60, nested_p=-1073745140)
> at ../../gcc/gcc/c-decl.c:6195
> #11 0x00372aa0 in cgraph_expand_function (node=0x62c080) at
> ../../gcc/gcc/cgraphunit.c:789
> #12 0x003740a8 in cgraph_optimize () at ../../gcc/gcc/cgraphunit.c:1671
> #13 0x00058018 in c_objc_common_finish_file () at
> ../../gcc/gcc/c-objc-common.c:243
> #14 0x0031aac4 in toplev_main (argc=3221224553, argv=0x56a3e8) at
> ../../gcc/gcc/toplev.c:1641
> #15 0x0000281c in _start (argc=18, argv=0xbffffae4, envp=0xbffffb30) at
> /SourceCache/Csu/Csu-46/crt.c:267
> #16 0x00002690 in start ()
> (gdb) c
> Continuing.
> inflate.c: In function `huft_build':
> inflate.c:284: internal compiler error: in force_gimple_operand, at
> tree-ssa-loop-ivopts.c:755
> 
> ======================================
> 
> (2) compiling SPECs gzip/trees.c:
> 
> lno_gcc -c -o trees.o -O3 -ftree-loop-optimize trees.c
> 
> trees.c: In function `build_tree':
> trees.c:611: error: Definition in block 13 does not dominate use in block 8
> for SSA_NAME: heap_len.153<D2237>_872
> 
> in statement:
> T.154<D2238>_814 = heap_len.153<D2237>_872 + 1;
> 
> trees.c:611: error: Definition in block 89 does not dominate use in block
> 93
> for SSA_NAME: heap_len.153<D2237>_873
> 
> in statement:
> T.154<D2238>_815 = heap_len.153<D2237>_873 + 1;
> 
> trees.c:611: internal compiler error: verify_ssa failed.
> 
> 
> 
> 
>                                                                                                                                          
>                       Zdenek Dvorak                                                                                                      
>                       <rakdver@atrey.karlin.m        To:       gcc-patches@gcc.gnu.org                                                   
>                       ff.cuni.cz>                    cc:                                                                                 
>                       Sent by:                       Subject:  [lno] tree-ssa --> lno merge                                              
>                       gcc-patches-owner@gcc.g                                                                                            
>                       nu.org                                                                                                             
>                                                                                                                                          
>                                                                                                                                          
>                       21/03/2004 05:21                                                                                                   
>                                                                                                                                          
> 
> 
> 
> 
> Hello,
> 
> I have merged tree-ssa into lno branch, so if something breaks you know
> who to shout at :-)
> 
> Zdenek
> 
> 


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