diff options
| author | tege <tege@gmplib.org> | 2005-05-19 16:58:16 +0200 |
|---|---|---|
| committer | tege <tege@gmplib.org> | 2005-05-19 16:58:16 +0200 |
| commit | d16f7cb701575263336e91f38255804adb02bacf (patch) | |
| tree | 89ff52bd2cb46595c4a84eef674c9a56032dbc63 | |
| parent | 7b22f51c32c3103dd5d9efb914a7e41dd422a53e (diff) | |
| download | gmp-d16f7cb701575263336e91f38255804adb02bacf.tar.gz | |
Make it actually work.
| -rw-r--r-- | mpn/alpha/diveby3.asm | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/mpn/alpha/diveby3.asm b/mpn/alpha/diveby3.asm index f1257aa28..b75a028c1 100644 --- a/mpn/alpha/diveby3.asm +++ b/mpn/alpha/diveby3.asm @@ -1,6 +1,6 @@ -dnl Alpha mpn_divexact_by3 -- mpn division by 3, expecting no remainder. +dnl Alpha mpn_divexact_by3c -- mpn division by 3, expecting no remainder. -dnl Copyright 2004 Free Software Foundation, Inc. +dnl Copyright 2004, 2005 Free Software Foundation, Inc. dnl This file is part of the GNU MP Library. @@ -29,6 +29,10 @@ C EV6: 6.3 C TODO C * Trim this to 6.0 c/l for ev6. C * Write special ev5 version, should reach 9 c/l, and could be smaller. +C * Try prefetch for destination, using lds. +C * Improve feed-in code, by moving initial mulq earlier; make initial load +C to u0/u0 to save smoe copying. +C * Combine u0 and u2, u1 and u3. C INPUT PARAMETERS define(`rp', `r16') @@ -86,16 +90,19 @@ $Lb11: ldq u3, 8(up) lda up, -24(up) lda rp, -24(rp) mulq r28, xAAAAAAAAAAAAAAAB, q0 + mov r28, u2 br r31, $L11 $Lb00: ldq u2, 8(up) lda up, -16(up) lda rp, -16(rp) mulq r28, xAAAAAAAAAAAAAAAB, q1 + mov r28, u1 br r31, $L00 $Lb01: lda rp, -8(rp) mulq r28, xAAAAAAAAAAAAAAAB, q0 + mov r28, u0 blt n, $Lcj1 ldq u1, 8(up) lda up, -8(up) @@ -103,6 +110,7 @@ $Lb01: lda rp, -8(rp) $Lb10: ldq u0, 8(up) mulq r28, xAAAAAAAAAAAAAAAB, q1 + mov r28, u3 blt n, $Lend ALIGN(16) |