mirror/gcc
2
0
Fork 0
mirror of git://gcc.gnu.org/git/gcc.git synced 2025-01-12 01:25:18 +08:00
Code Issues Packages Projects Releases Wiki Activity

regclass.c (scan_one_insn): Set loop_cost to 1 when optimizing for size.

Browse Source 
* regclass.c (scan_one_insn): Set loop_cost to 1 when
	optimizing for size.

From-SVN: r30918
This commit is contained in:
Jan Hubicka 1999-12-14 13:56:06 +01:00 committed by Jan Hubicka
parent afdac90584
commit 2f12c89d4c
2 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
gcc/ChangeLog
View File

@ -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> 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
* reload1.c (reload): Can't avoid select_reload_regs/finish_spills * reload1.c (reload): Can't avoid select_reload_regs/finish_spills

9
gcc/regclass.c
View File

@ -829,9 +829,14 @@ scan_one_insn (insn, pass)
if (code == NOTE) if (code == NOTE)
{ {
if (NOTE_LINE_NUMBER (insn) == NOTE_INSN_LOOP_BEG) 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) 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; return insn;
} }