diff options
Diffstat (limited to 'gcc/final.c')
| -rw-r--r-- | gcc/final.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/final.c b/gcc/final.c index 51296117972..64b5c500b5d 100644 --- a/gcc/final.c +++ b/gcc/final.c @@ -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; } |