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author | Jens Arnold <amiconn@rockbox.org> | 2010-05-02 19:36:20 +0000 |
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committer | Jens Arnold <amiconn@rockbox.org> | 2010-05-02 19:36:20 +0000 |
commit | e891e90883fa816536a0b8771ca4b18234d83088 (patch) | |
tree | 8729ae69f1913a1e70848fd56b405d477323b1f0 /firmware/target/coldfire | |
parent | 5768f2b145bbf4fff6d7fbfb91648b05495c5248 (diff) | |
download | rockbox-e891e90883fa816536a0b8771ca4b18234d83088.tar.gz rockbox-e891e90883fa816536a0b8771ca4b18234d83088.zip |
Save a few instructions by better use of conditions.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25786 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/coldfire')
-rw-r--r-- | firmware/target/coldfire/ata-as-coldfire.S | 18 |
1 files changed, 5 insertions, 13 deletions
diff --git a/firmware/target/coldfire/ata-as-coldfire.S b/firmware/target/coldfire/ata-as-coldfire.S index 7f46a987ee..28993c1769 100644 --- a/firmware/target/coldfire/ata-as-coldfire.S +++ b/firmware/target/coldfire/ata-as-coldfire.S @@ -80,7 +80,7 @@ copy_read_sectors: and.l #0xFFFFFFF0,%d0 /* d0 == first line bound */ cmp.l %a0, %d0 /* any leading longwords? */ bls.b .r_end_u_l1 /* no: skip loop */ - + .r_loop_u_l1: move.w (%a2), %d3 /* load first word */ swap %d3 /* move to upper 16 bit */ @@ -150,9 +150,7 @@ copy_read_sectors: bhi.b .r_loop_u_l2 .r_end_u_l2: - addq.l #2, %a1 /* back to final end address */ - cmp.l %a0, %a1 /* one word left? */ - bls.b .r_end_u_w2 + blo.b .r_end_u_w2 /* one word left? */ swap %d2 /* move old word to upper 16 bits */ move.w (%a2), %d2 /* load final word */ @@ -220,9 +218,7 @@ copy_read_sectors: bhi.b .r_loop_a_l2 .r_end_a_l2: - addq.l #2, %a1 /* back to final end address */ - cmp.l %a0, %a1 /* one word left? */ - bls.b .r_end_a_w2 + blo.b .r_end_a_w2 /* one word left? */ move.w (%a2), (%a0)+ /* copy final word */ @@ -366,9 +362,7 @@ copy_write_sectors: bhi.b .w_loop_u_l2 .w_end_u_l2: - addq.l #2, %a1 /* back to final end address */ - cmp.l %a0, %a1 /* one word left? */ - bls.b .w_end_u_w2 + blo.b .w_end_u_w2 /* one word left? */ swap %d2 move.w (%a0)+, %d2 @@ -444,9 +438,7 @@ copy_write_sectors: bhi.b .w_loop_a_l2 .w_end_a_l2: - addq.l #2, %a1 /* back to final end address */ - cmp.l %a0, %a1 /* one word left? */ - bls.b .w_end_a_w2 + blo.b .w_end_a_w2 /* one word left? */ move.w (%a0)+, (%a2) /* copy final word */ |