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

reorg.c (make_return_insns): Make sure redirecting a jump to a RETURN insn does not invalidate the delay...

Browse Source 
* reorg.c (make_return_insns): Make sure redirecting a jump to
	a RETURN insn does not invalidate the delay slots of the jump.

From-SVN: r7639
This commit is contained in:
Jeff Law 1994-07-01 17:29:06 -06:00
parent 8743ede9fb
commit 18beb3e996
1 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
gcc/reorg.c
View File

@ -3980,11 +3980,16 @@ make_return_insns (first)
pat = PATTERN (insn);
jump_insn = XVECEXP (pat, 0, 0);
/* If we can't make the jump into a RETURN, redirect it to the best
/* If we can't make the jump into a RETURN, try to redirect it to the best
RETURN and go on to the next insn. */
if (! reorg_redirect_jump (jump_insn, NULL_RTX))
{
reorg_redirect_jump (jump_insn, real_return_label);
/* Make sure redirecting the jump will not invalidate the delay
slot insns. */
if (redirect_with_delay_slots_safe_p (jump_insn,
real_return_label,
insn))
reorg_redirect_jump (jump_insn, real_return_label);
continue;
}