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| author | Jan Hubicka <hubicka@freesoft.cz> | 1999-12-14 13:56:06 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 1999-12-14 12:56:06 +0000 |
| commit | 2f12c89d4ce0f6729eee90a81208bcd87af3c0eb (patch) | |
| tree | 7d5aa69d79ff7dd9a704f13d722d9c85e7a48a57 /gcc | |
| parent | afdac905840a1d37db1ba2510bc3ecee7b307d8c (diff) | |
| download | gcc-2f12c89d4ce0f6729eee90a81208bcd87af3c0eb.zip gcc-2f12c89d4ce0f6729eee90a81208bcd87af3c0eb.tar.gz gcc-2f12c89d4ce0f6729eee90a81208bcd87af3c0eb.tar.bz2 | |
regclass.c (scan_one_insn): Set loop_cost to 1 when optimizing for size.
* regclass.c (scan_one_insn): Set loop_cost to 1 when
optimizing for size.
From-SVN: r30918
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/regclass.c | 9 |
2 files changed, 12 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5dbd9a6..62f0734 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz> + + * regclass.c (scan_one_insn): Set loop_cost to 1 when + optimizing for size. + 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk> * reload1.c (reload): Can't avoid select_reload_regs/finish_spills diff --git a/gcc/regclass.c b/gcc/regclass.c index a67d91e..e8eca4d 100644 --- a/gcc/regclass.c +++ b/gcc/regclass.c @@ -829,9 +829,14 @@ scan_one_insn (insn, pass) if (code == NOTE) { if (NOTE_LINE_NUMBER (insn) == NOTE_INSN_LOOP_BEG) - loop_depth++, loop_cost = 1 << (2 * MIN (loop_depth, 5)); + loop_depth++; else if (NOTE_LINE_NUMBER (insn) == NOTE_INSN_LOOP_END) - loop_depth--, loop_cost = 1 << (2 * MIN (loop_depth, 5)); + loop_depth--; + + if (optimize_size) + loop_cost = 1; + else + loop_cost = 1 << (2 * MIN (loop_depth, 5)); return insn; } |