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| author | Jeffrey A Law <law@cygnus.com> | 1998-08-27 23:11:32 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 1998-08-27 17:11:32 -0600 |
| commit | 3568fdd276afa934f3e5cf3dd6601a3663abecef (patch) | |
| tree | d7e3a190c56792f6f460c7075a7ef5ac5a59933b /gcc | |
| parent | 3d55c13000501bcc627fe4afb803eb8ca00a37ac (diff) | |
| download | gcc-3568fdd276afa934f3e5cf3dd6601a3663abecef.zip gcc-3568fdd276afa934f3e5cf3dd6601a3663abecef.tar.gz gcc-3568fdd276afa934f3e5cf3dd6601a3663abecef.tar.bz2 | |
loop.c (scan_loop): Count down from max_reg_num - 1 to FIRST_PSEUDO_REGISTER to avoid calilng...
* loop.c (scan_loop): Count down from max_reg_num - 1 to
FIRST_PSEUDO_REGISTER to avoid calilng max_reg_num each iteration
of the loop.
From-SVN: r22043
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/loop.c | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 45cc71d..8322877 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +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 + of the loop. + * i386.c (print_operand): Remove obsolete 'c' docs. Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com> @@ -788,7 +788,7 @@ scan_loop (loop_start, end, unroll_p) #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 |