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Fix shorten_branches bugs 

From-SVN: r36538
This commit is contained in:
Bernd Schmidt 2000-09-19 16:43:36 +00:00 committed by Bernd Schmidt
parent 3fbef42f14
commit afc6898e10
2 changed files with 7 additions and 5 deletions
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6
gcc/ChangeLog
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@ -1,5 +1,9 @@
2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
* final.c (insn_current_reference_address): Use INSN_SHUID of seq
rather than that of branch.
(shorten_branches): Don't increment insn_current_address twice.
Undo most of the Wed Jan 27 23:39:53 1999 patch:
* loop.h (struct induction): Delete members derived, ix and last_use.
(struct loop_ivs): Delete members first_increment_giv and
@ -22,8 +26,6 @@
increments.
Don't set derived_regs.
2000-09-19 Bernd Schmidt <bernds@redhat.co.uk>
Fix misapplied earlier patch:
* config/sh/sh.md (floatsisf_ie): Reenable. Remove explicit reference
to fpul.

6
gcc/final.c
View File

@ -932,8 +932,9 @@ insn_current_reference_address (branch)
return insn_current_address;
dest = JUMP_LABEL (branch);
/* BRANCH has no proper alignment chain set, so use SEQ. */
if (INSN_SHUID (branch) < INSN_SHUID (dest))
/* BRANCH has no proper alignment chain set, so use SEQ.
BRANCH also has no INSN_SHUID. */
if (INSN_SHUID (seq) < INSN_SHUID (dest))
{
/* Forward branch. */
return (insn_last_address + insn_lengths[seq_uid]
@ -1241,7 +1242,6 @@ shorten_branches (first)
int align = 1 << log;
int new_address = (insn_current_address + align - 1) & -align;
insn_lengths[uid] = new_address - insn_current_address;
insn_current_address = new_address;
}
}