mirror/gcc
2
0
Fork 0
mirror of git://gcc.gnu.org/git/gcc.git synced 2025-03-19 15:11:08 +08:00
Code Issues Packages Projects Releases Wiki Activity

(iteration_info): Fix code so that it knows iteration_var is a

Browse Source 
HOST_WIDE_INT, not a long.

From-SVN: r13164
This commit is contained in:
Richard Kenner 1996-11-15 12:58:29 -05:00
parent 80906567f4
commit f6beed2169
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
gcc/unroll.c
View File

@ -2263,14 +2263,16 @@ iteration_info (iteration_var, initial_value, increment, loop_start, loop_end)
"Loop unrolling: No reg_iv_type entry for iteration var.\n");
return;
}
/* Reject iteration variables larger than the host long size, since they
/* Reject iteration variables larger than the host wide int size, since they
could result in a number of iterations greater than the range of our
`unsigned long' variable loop_n_iterations. */
else if (GET_MODE_BITSIZE (GET_MODE (iteration_var)) > HOST_BITS_PER_LONG)
`unsigned HOST_WIDE_INT' variable loop_n_iterations. */
else if ((GET_MODE_BITSIZE (GET_MODE (iteration_var))
> HOST_BITS_PER_WIDE_INT))
{
if (loop_dump_stream)
fprintf (loop_dump_stream,
"Loop unrolling: Iteration var rejected because mode larger than host long.\n");
"Loop unrolling: Iteration var rejected because mode too large.\n");
return;
}
else if (GET_MODE_CLASS (GET_MODE (iteration_var)) != MODE_INT)