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| author | Ulrich Drepper <drepper@redhat.com> | 2000-12-27 23:31:49 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2000-12-27 23:31:49 +0000 |
| commit | 1c7f9c93959671fe4c7884991238b8f7fcb08a22 (patch) | |
| tree | aef34c6f59e2416bc2cefedd7df1deed421f1461 | |
| parent | 22fea1a1b600c68a96aa5f0edc4329b239900a65 (diff) | |
| download | glibc-1c7f9c93959671fe4c7884991238b8f7fcb08a22.tar glibc-1c7f9c93959671fe4c7884991238b8f7fcb08a22.tar.gz glibc-1c7f9c93959671fe4c7884991238b8f7fcb08a22.tar.bz2 glibc-1c7f9c93959671fe4c7884991238b8f7fcb08a22.zip | |
Don't go through unrolled loop if we would go through it only once.
| -rw-r--r-- | sysdeps/alpha/alphaev6/memcpy.S | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/sysdeps/alpha/alphaev6/memcpy.S b/sysdeps/alpha/alphaev6/memcpy.S index 35f17e7f9e..e3af259f8c 100644 --- a/sysdeps/alpha/alphaev6/memcpy.S +++ b/sysdeps/alpha/alphaev6/memcpy.S @@ -16,7 +16,7 @@ License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - + /* * Much of the information about 21264 scheduling/coding comes from: * Compiler Writer's Guide for the Alpha 21264 @@ -86,9 +86,9 @@ $single_head_quad: $do_unroll: addq $16, 64, $7 # E : Initial (+1 trip) wh64 address - cmple $18, 63, $1 # E : Can we go through the unrolled loop? + cmple $18, 127, $1 # E : Can we go through the unrolled loop? bne $1, $tail_quads # U : Nope - nop # E : + nop # E : $unroll_body: wh64 ($7) # L1 : memory subsystem hint: 64 bytes at |