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

reorg.c (fill_simple_delay_slots): Don't use a JUMP_INSN a the target of another JUMP_INSN to fill a delay slot. 

* reorg.c (fill_simple_delay_slots): Don't use a JUMP_INSN
	a the target of another JUMP_INSN to fill a delay slot.

From-SVN: r9312
This commit is contained in:
Jeff Law 1995-04-04 15:16:40 -06:00
parent b19b4a787d
commit 6f7775d58f
1 changed files with 4 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
gcc/reorg.c
View File

@ -3103,7 +3103,9 @@ fill_simple_delay_slots (first, non_jumps_p)
/* If there are slots left to fill and our search was stopped by an
unconditional branch, try the insn at the branch target. We can
redirect the branch if it works. */
redirect the branch if it works.
Don't do this if the insn at the branch target is a branch. */
if (slots_to_fill != slots_filled
&& trial
&& GET_CODE (trial) == JUMP_INSN
@ -3112,6 +3114,7 @@ fill_simple_delay_slots (first, non_jumps_p)
&& (next_trial = next_active_insn (JUMP_LABEL (trial))) != 0
&& ! (GET_CODE (next_trial) == INSN
&& GET_CODE (PATTERN (next_trial)) == SEQUENCE)
&& GET_CODE (next_trial) != JUMP_INSN
&& ! insn_references_resource_p (next_trial, &set, 1)
&& ! insn_sets_resource_p (next_trial, &set, 1)
&& ! insn_sets_resource_p (next_trial, &needed, 1)