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| author | Jim Wilson <wilson@gcc.gnu.org> | 1993-05-12 11:47:43 -0700 |
|---|---|---|
| committer | Jim Wilson <wilson@gcc.gnu.org> | 1993-05-12 11:47:43 -0700 |
| commit | ef39bb951c50c757ca7f394ef8c832608ea2054f (patch) | |
| tree | 674b2b49a5ea5e4be2a6af4c7b93c2b48b907b0a /gcc/unroll.c | |
| parent | a7d904019909ed6296425e321a61a779efdb0d4b (diff) | |
| download | gcc-ef39bb951c50c757ca7f394ef8c832608ea2054f.zip gcc-ef39bb951c50c757ca7f394ef8c832608ea2054f.tar.gz gcc-ef39bb951c50c757ca7f394ef8c832608ea2054f.tar.bz2 | |
(copy_loop_body): Delete May 10 change.
From-SVN: r4432
Diffstat (limited to 'gcc/unroll.c')
| -rw-r--r-- | gcc/unroll.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/gcc/unroll.c b/gcc/unroll.c index 2041624..d93e3ba 100644 --- a/gcc/unroll.c +++ b/gcc/unroll.c @@ -1609,9 +1609,7 @@ copy_loop_body (copy_start, copy_end, map, exit_label, last_iteration, pattern = copy_rtx_and_substitute (pattern, map); copy = emit_insn (pattern); } - /* We must copy the REG_NOTES now, because the register mapping - might change later. */ - REG_NOTES (copy) = copy_rtx_and_substitute (REG_NOTES (insn), map); + /* REG_NOTES will be copied later. */ #ifdef HAVE_cc0 /* If this insn is setting CC0, it may need to look at @@ -1655,9 +1653,6 @@ copy_loop_body (copy_start, copy_end, map, exit_label, last_iteration, case JUMP_INSN: pattern = copy_rtx_and_substitute (PATTERN (insn), map); copy = emit_jump_insn (pattern); - /* We must copy the REG_NOTES now, because the register mapping - might change later. */ - REG_NOTES (copy) = copy_rtx_and_substitute (REG_NOTES (insn), map); if (JUMP_LABEL (insn) == start_label && insn == copy_end && ! last_iteration) @@ -1759,9 +1754,6 @@ copy_loop_body (copy_start, copy_end, map, exit_label, last_iteration, case CALL_INSN: pattern = copy_rtx_and_substitute (PATTERN (insn), map); copy = emit_call_insn (pattern); - /* We must copy the REG_NOTES now, because the register mapping - might change later. */ - REG_NOTES (copy) = copy_rtx_and_substitute (REG_NOTES (insn), map); #ifdef HAVE_cc0 if (cc0_insn) @@ -1812,6 +1804,19 @@ copy_loop_body (copy_start, copy_end, map, exit_label, last_iteration, } while (insn != copy_end); + /* Now copy the REG_NOTES. */ + insn = copy_start; + do + { + insn = NEXT_INSN (insn); + if ((GET_CODE (insn) == INSN || GET_CODE (insn) == JUMP_INSN + || GET_CODE (insn) == CALL_INSN) + && map->insn_map[INSN_UID (insn)]) + REG_NOTES (map->insn_map[INSN_UID (insn)]) + = copy_rtx_and_substitute (REG_NOTES (insn), map); + } + while (insn != copy_end); + /* There may be notes between copy_notes_from and loop_end. Emit a copy of each of these notes here, since there may be some important ones, such as NOTE_INSN_BLOCK_END notes, in this group. We don't do this on the last |