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| author | David S. Miller <davem@nuts.davemloft.net> | 2004-06-09 18:26:11 +0000 |
|---|---|---|
| committer | David S. Miller <davem@gcc.gnu.org> | 2004-06-09 11:26:11 -0700 |
| commit | 5162e02a26ed0bc8ba29a5caae71f807f50c8875 (patch) | |
| tree | d547f91f0017b93fd9a7408a7aff0c737821d9cd /gcc | |
| parent | b7115e7ff56ab2f84ad57366bf49d032829175cc (diff) | |
| download | gcc-5162e02a26ed0bc8ba29a5caae71f807f50c8875.zip gcc-5162e02a26ed0bc8ba29a5caae71f807f50c8875.tar.gz gcc-5162e02a26ed0bc8ba29a5caae71f807f50c8875.tar.bz2 | |
sparc.h (MOVE_RATIO): New definition.
2004-06-09 David S. Miller <davem@nuts.davemloft.net>
* config/sparc/sparc.h (MOVE_RATIO): New definition.
From-SVN: r82844
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/config/sparc/sparc.h | 5 |
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 09d1c8e..388a8bb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2004-06-09 David S. Miller <davem@nuts.davemloft.net> + + * config/sparc/sparc.h (MOVE_RATIO): New definition. + 2004-06-09 Richard Henderson <rth@redhat.com> * basic-block.h (struct edge_def): Add goto_locus. diff --git a/gcc/config/sparc/sparc.h b/gcc/config/sparc/sparc.h index 3e0b1c9..d1c8049 100644 --- a/gcc/config/sparc/sparc.h +++ b/gcc/config/sparc/sparc.h @@ -2181,6 +2181,11 @@ do { \ in one reasonably fast instruction. */ #define MOVE_MAX 8 +/* If a memory-to-memory move would take MOVE_RATIO or more simple + move-instruction pairs, we will do a movstr or libcall instead. */ + +#define MOVE_RATIO (optimize_size ? 3 : 8) + /* Define if operations between registers always perform the operation on the full register even if a narrower mode is specified. */ #define WORD_REGISTER_OPERATIONS |