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(shorten_branches): Split all insns before computing insn lengths.

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(shorten_branches): Split all insns before computing insn
lengths.
(final_scan_insn, case default): If HAVE_ATTR_length defined, call
abort for any insn that has a '#' output template.

From-SVN: r13744
This commit is contained in:
Jim Wilson 1997-03-18 14:55:01 -08:00
parent aff4d29bf4
commit 3d14e82f05
1 changed files with 14 additions and 0 deletions
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14
gcc/final.c
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@ -655,6 +655,13 @@ shorten_branches (first)
rtx body;
int uid;
/* In order to make sure that all instructions have valid length info,
we must split them before we compute the address/length info. */
for (insn = NEXT_INSN (first); insn; insn = NEXT_INSN (insn))
if (GET_RTX_CLASS (GET_CODE (insn)) == 'i')
insn = try_split (PATTERN (insn), insn, 1);
/* Compute maximum UID and allocate arrays. */
for (insn = first; insn; insn = NEXT_INSN (insn))
if (INSN_UID (insn) > max_uid)
@ -2090,6 +2097,13 @@ final_scan_insn (insn, file, optimize, prescan, nopeepholes)
if (new == insn && PATTERN (new) == body)
abort ();
#ifdef HAVE_ATTR_length
/* This instruction should have been split in shorten_branches,
to ensure that we would have valid length info for the
splitees. */
abort ();
#endif
new_block = 0;
return new;
}