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author | Jeffrey A Law <law@cygnus.com> | 1998-08-27 23:19:47 +0000 |
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committer | Jeff Law <law@gcc.gnu.org> | 1998-08-27 17:19:47 -0600 |
commit | 78b87d18ae25299f9da51225378397abbdbb5349 (patch) | |
tree | 1864db64557cbcba4ee72e2cebe8c676601cb748 | |
parent | 3568fdd276afa934f3e5cf3dd6601a3663abecef (diff) | |
download | gcc-78b87d18ae25299f9da51225378397abbdbb5349.zip gcc-78b87d18ae25299f9da51225378397abbdbb5349.tar.gz gcc-78b87d18ae25299f9da51225378397abbdbb5349.tar.bz2 |
loop.c (scan_loop): Count down from max_reg_num - 1 to FIRST_PSEUDO_REGISTER to avoid calling...
* loop.c (scan_loop): Count down from max_reg_num - 1 to
FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
of the loop.
(load_mems_and_recount_loop_regs_set): Likewise.
Forgot second AVOID_CCMODE_COPIES loop.
From-SVN: r22044
-rw-r--r-- | gcc/ChangeLog | 3 | ||||
-rw-r--r-- | gcc/loop.c | 2 |
2 files changed, 3 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 8322877..6db8cead 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,8 +1,9 @@ Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com) * loop.c (scan_loop): Count down from max_reg_num - 1 to - FIRST_PSEUDO_REGISTER to avoid calilng max_reg_num each iteration + FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration of the loop. + (load_mems_and_recount_loop_regs_set): Likewise. * i386.c (print_operand): Remove obsolete 'c' docs. @@ -8613,7 +8613,7 @@ load_mems_and_recount_loop_regs_set (scan_start, end, loop_top, start, #ifdef AVOID_CCMODE_COPIES /* Don't try to move insns which set CC registers if we should not create CCmode register copies. */ - for (i = FIRST_PSEUDO_REGISTER; i < max_reg_num (); i++) + for (i = max_reg_num () - 1; i >= FIRST_PSEUDO_REGISTER; i--) if (GET_MODE_CLASS (GET_MODE (regno_reg_rtx[i])) == MODE_CC) VARRAY_CHAR (may_not_optimize, i) = 1; #endif |