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jump.c (jump_optimize): Call mark_jump_label also for deleted insns.

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* jump.c (jump_optimize): Call mark_jump_label also for deleted
        insns.
        (mark_jump_label): Don't increment ref counts for deleted insns.

From-SVN: r18420
This commit is contained in:
J"orn Rennecke 1998-03-05 22:05:51 +00:00 committed by Jeff Law
parent 6e92f4b6a2
commit ac9b3c970e
2 changed files with 16 additions and 9 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
* jump.c (jump_optimize): Call mark_jump_label also for deleted
insns.
(mark_jump_label): Don't increment ref counts for deleted insns.
Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.

19
gcc/jump.c
View File

@ -212,11 +212,10 @@ jump_optimize (f, cross_jump, noop_moves, after_regscan)
also make a chain of all returns. */
for (insn = f; insn; insn = NEXT_INSN (insn))
if (GET_RTX_CLASS (GET_CODE (insn)) == 'i'
&& ! INSN_DELETED_P (insn))
if (GET_RTX_CLASS (GET_CODE (insn)) == 'i')
{
mark_jump_label (PATTERN (insn), insn, cross_jump);
if (GET_CODE (insn) == JUMP_INSN)
if (! INSN_DELETED_P (insn) && GET_CODE (insn) == JUMP_INSN)
{
if (JUMP_LABEL (insn) != 0 && simplejump_p (insn))
{
@ -3380,7 +3379,8 @@ mark_jump_label (x, insn, cross_jump)
}
XEXP (x, 0) = label;
++LABEL_NUSES (label);
if (! insn || ! INSN_DELETED_P (insn))
++LABEL_NUSES (label);
if (insn)
{
@ -3417,12 +3417,13 @@ mark_jump_label (x, insn, cross_jump)
ADDR_DIFF_VEC. Don't set the JUMP_LABEL of a vector. */
case ADDR_VEC:
case ADDR_DIFF_VEC:
{
int eltnum = code == ADDR_DIFF_VEC ? 1 : 0;
if (! INSN_DELETED_P (insn))
{
int eltnum = code == ADDR_DIFF_VEC ? 1 : 0;
for (i = 0; i < XVECLEN (x, eltnum); i++)
mark_jump_label (XVECEXP (x, eltnum, i), NULL_RTX, cross_jump);
}
for (i = 0; i < XVECLEN (x, eltnum); i++)
mark_jump_label (XVECEXP (x, eltnum, i), NULL_RTX, cross_jump);
}
return;
default: