[Bug optimization/13677] Generates Sub-Optimal Code in 'for' Loops

["theman at josephdwagner dot info" <gcc-bugzilla at gcc dot gnu dot org>]

------- Additional Comments From theman at josephdwagner dot info  2004-01-14 17:53 -------
I would like to point out that this is not a problem in the optimizer.  It is 
a problem in the code generation component.  
  
Compiled with command:  
gcc -v -save-temps -S -masm=intel -pipe -std=gnu99 -O0 -o bug13677.S 
bug13677.c  
  
Resulting output:  
gcc: warning: -pipe ignored because -save-temps specified  
Reading specs from /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.3.2/specs  
Configured with: /usr/src/gcc-3.3.2/configure --enable-shared --with-gnu-as  
--with-as=/usr/local/bin/as --with-gnu-ld --with-ld=/usr/local/bin/ld 
--enable-threads  
Thread model: posix  
gcc version 3.3.2  
 /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.3.2/cc1 -E -quiet -v -D__GNUC__=3  
-D__GNUC_MINOR__=3 -D__GNUC_PATCHLEVEL__=2 bug13677.c -masm=intel -std=gnu99 
-O0  
bug13677.i  
ignoring nonexistent directory "NONE/include"  
ignoring nonexistent directory "/usr/local/i686-pc-linux-gnu/include"  
#include "..." search starts here:  
#include <...> search starts here:  
 /usr/local/include  
 /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.3.2/include  
 /usr/include  
End of search list.  
 /usr/local/lib/gcc-lib/i686-pc-linux-gnu/3.3.2/cc1 -fpreprocessed bug13677.i 
-quiet  
-dumpbase bug13677.c -masm=intel -auxbase-strip bug13677.S -O0 -std=gnu99 
-version -o  
bug13677.S  
GNU C version 3.3.2 (i686-pc-linux-gnu)  
        compiled by GNU C version 3.3.2.  
GGC heuristics: --param ggc-min-expand=47 --param ggc-min-heapsize=32016  
  

-- 
           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |NEW
     Ever Confirmed|                            |1


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13677