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Undo some breakage introduced Feb 18 

From-SVN: r40162
This commit is contained in:
Bernd Schmidt 2001-03-01 17:51:18 +00:00 committed by Bernd Schmidt
parent 9c1eed37c4
commit 791f5e8d0b
2 changed files with 14 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2001-03-01 Bernd Schmidt <bernds@redhat.com>
Fix a problem introduced by Kenner's Feb 18 change.
* toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
flag_cse_skip_blocks only temporarily, not for ever.
Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
* pa.c (emit_move_sequence): Verify operand0 is a hard register

10
gcc/toplev.c
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@ -3002,7 +3002,6 @@ rest_of_compilation (decl)
/* If we are not running more CSE passes, then we are no longer
expecting CSE to be run. But always rerun it in a cheap mode. */
cse_not_expected = !flag_rerun_cse_after_loop && !flag_gcse;
flag_cse_skip_blocks = flag_cse_follow_jumps = 0;
if (tem || optimize > 1)
{
@ -3101,6 +3100,7 @@ rest_of_compilation (decl)
if (optimize > 0 && flag_gcse)
{
int save_csb, save_cfj;
int tem2 = 0;
timevar_push (TV_GCSE);
@ -3110,6 +3110,10 @@ rest_of_compilation (decl)
cleanup_cfg (insns);
tem = gcse_main (insns, rtl_dump_file);
save_csb = flag_cse_skip_blocks;
save_cfj = flag_cse_follow_jumps;
flag_cse_skip_blocks = flag_cse_follow_jumps = 0;
/* If -fexpensive-optimizations, re-run CSE to clean up things done
by gcse. */
if (flag_expensive_optimizations)
@ -3144,7 +3148,9 @@ rest_of_compilation (decl)
timevar_pop (TV_GCSE);
ggc_collect ();
}
flag_cse_skip_blocks = save_csb;
flag_cse_follow_jumps = save_cfj;
}
/* Move constant computations out of loops. */