OpenE2K
/
gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

unroll.c (loop_iterations): Return 0 if the add_val for a BIV is REG. 

* unroll.c (loop_iterations): Return 0 if the add_val for
        a BIV is REG.

From-SVN: r50105
This commit is contained in:
Graham Stott 2002-02-27 15:22:42 +00:00
parent a88044bc65
commit f16e627ee6
1 changed files with 12 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
gcc/unroll.c
View File

@ -3744,7 +3744,18 @@ loop_iterations (loop)
for (biv_inc = bl->biv; biv_inc; biv_inc = biv_inc->next_iv)
{
if (loop_insn_first_p (v->insn, biv_inc->insn))
offset -= INTVAL (biv_inc->add_val);
{
if (REG_P (biv_inc->add_val))
{
if (loop_dump_stream)
fprintf (loop_dump_stream,
"Loop iterations: Basic induction var add_val is REG %d.\n",
REGNO (biv_inc->add_val));
return 0;
}
offset -= INTVAL (biv_inc->add_val);
}
}
}
if (loop_dump_stream)