mirror/gcc
2
0
Fork 0
mirror of git://gcc.gnu.org/git/gcc.git synced 2025-04-04 02:40:27 +08:00
Code Issues Packages Projects Releases Wiki Activity

rs6000.c (num_insns_constant_wide): Change satisfies_constraint_[IL] to explicit tests on value.

Browse Source 
* config/rs6000/rs6000.c (num_insns_constant_wide): Change
	satisfies_constraint_[IL] to explicit tests on value.

From-SVN: r112676
This commit is contained in:
David Edelsohn 2006-04-04 17:58:55 +00:00 committed by David Edelsohn
parent dc61cc6bd6
commit 547b216d76
2 changed files with 8 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 @@
2006-04-04 David Edelsohn <edelsohn@gnu.org>
* config/rs6000/rs6000.c (num_insns_constant_wide): Change
satisfies_constraint_[IL] to explicit tests on value.
2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
* tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,

5
gcc/config/rs6000/rs6000.c
View File

@ -2004,11 +2004,12 @@ int
num_insns_constant_wide (HOST_WIDE_INT value)
{
/* signed constant loadable with {cal|addi} */
if (satisfies_constraint_I (GEN_INT (value)))
if ((unsigned HOST_WIDE_INT) (value + 0x8000) < 0x10000)
return 1;
/* constant loadable with {cau|addis} */
else if (satisfies_constraint_L (GEN_INT (value)))
else if ((value & 0xffff) == 0
&& (value >> 31 == -1 || value >> 31 == 0))
return 1;
#if HOST_BITS_PER_WIDE_INT == 64