Micro-profiling assisted "optimization" for Power6. Essentially it's so

to say educational commit. Reordering instructions doesn't improve
performance much, rather exhibits Power6 limitations.
This commit is contained in:
Andy Polyakov 2008-02-06 10:18:19 +00:00
parent 089458b096
commit 96d13fe62b

View File

@ -396,42 +396,42 @@ Lppc_AES_encrypt:
Lenc_loop:
rlwinm $acc00,$s0,`32-24+3`,21,28
rlwinm $acc01,$s1,`32-24+3`,21,28
rlwinm $acc02,$s2,`32-24+3`,21,28
rlwinm $acc03,$s3,`32-24+3`,21,28
lwz $t0,0($key)
lwz $t1,4($key)
rlwinm $acc02,$s2,`32-24+3`,21,28
rlwinm $acc03,$s3,`32-24+3`,21,28
lwz $t2,8($key)
lwz $t3,12($key)
rlwinm $acc04,$s1,`32-16+3`,21,28
rlwinm $acc05,$s2,`32-16+3`,21,28
rlwinm $acc06,$s3,`32-16+3`,21,28
rlwinm $acc07,$s0,`32-16+3`,21,28
lwzx $acc00,$Tbl0,$acc00
lwzx $acc01,$Tbl0,$acc01
rlwinm $acc06,$s3,`32-16+3`,21,28
rlwinm $acc07,$s0,`32-16+3`,21,28
lwzx $acc02,$Tbl0,$acc02
lwzx $acc03,$Tbl0,$acc03
rlwinm $acc08,$s2,`32-8+3`,21,28
rlwinm $acc09,$s3,`32-8+3`,21,28
rlwinm $acc10,$s0,`32-8+3`,21,28
rlwinm $acc11,$s1,`32-8+3`,21,28
lwzx $acc04,$Tbl1,$acc04
lwzx $acc05,$Tbl1,$acc05
rlwinm $acc10,$s0,`32-8+3`,21,28
rlwinm $acc11,$s1,`32-8+3`,21,28
lwzx $acc06,$Tbl1,$acc06
lwzx $acc07,$Tbl1,$acc07
rlwinm $acc12,$s3,`0+3`,21,28
rlwinm $acc13,$s0,`0+3`,21,28
rlwinm $acc14,$s1,`0+3`,21,28
rlwinm $acc15,$s2,`0+3`,21,28
lwzx $acc08,$Tbl2,$acc08
lwzx $acc09,$Tbl2,$acc09
rlwinm $acc14,$s1,`0+3`,21,28
rlwinm $acc15,$s2,`0+3`,21,28
lwzx $acc10,$Tbl2,$acc10
lwzx $acc11,$Tbl2,$acc11
xor $t0,$t0,$acc00
xor $t1,$t1,$acc01
xor $t2,$t2,$acc02
xor $t3,$t3,$acc03
lwzx $acc12,$Tbl3,$acc12
lwzx $acc13,$Tbl3,$acc13
xor $t2,$t2,$acc02
xor $t3,$t3,$acc03
lwzx $acc14,$Tbl3,$acc14
lwzx $acc15,$Tbl3,$acc15
xor $t0,$t0,$acc04
@ -461,42 +461,42 @@ Lenc_loop:
lwz $acc11,`2048+224`($Tbl0)
rlwinm $acc00,$s0,`32-24`,24,31
rlwinm $acc01,$s1,`32-24`,24,31
rlwinm $acc02,$s2,`32-24`,24,31
rlwinm $acc03,$s3,`32-24`,24,31
lwz $t0,0($key)
lwz $t1,4($key)
rlwinm $acc02,$s2,`32-24`,24,31
rlwinm $acc03,$s3,`32-24`,24,31
lwz $t2,8($key)
lwz $t3,12($key)
rlwinm $acc04,$s1,`32-16`,24,31
rlwinm $acc05,$s2,`32-16`,24,31
rlwinm $acc06,$s3,`32-16`,24,31
rlwinm $acc07,$s0,`32-16`,24,31
lbzx $acc00,$Tbl2,$acc00
lbzx $acc01,$Tbl2,$acc01
rlwinm $acc06,$s3,`32-16`,24,31
rlwinm $acc07,$s0,`32-16`,24,31
lbzx $acc02,$Tbl2,$acc02
lbzx $acc03,$Tbl2,$acc03
rlwinm $acc08,$s2,`32-8`,24,31
rlwinm $acc09,$s3,`32-8`,24,31
rlwinm $acc10,$s0,`32-8`,24,31
rlwinm $acc11,$s1,`32-8`,24,31
lbzx $acc04,$Tbl2,$acc04
lbzx $acc05,$Tbl2,$acc05
rlwinm $acc10,$s0,`32-8`,24,31
rlwinm $acc11,$s1,`32-8`,24,31
lbzx $acc06,$Tbl2,$acc06
lbzx $acc07,$Tbl2,$acc07
rlwinm $acc12,$s3,`0`,24,31
rlwinm $acc13,$s0,`0`,24,31
rlwinm $acc14,$s1,`0`,24,31
rlwinm $acc15,$s2,`0`,24,31
lbzx $acc08,$Tbl2,$acc08
lbzx $acc09,$Tbl2,$acc09
rlwinm $acc14,$s1,`0`,24,31
rlwinm $acc15,$s2,`0`,24,31
lbzx $acc10,$Tbl2,$acc10
lbzx $acc11,$Tbl2,$acc11
rlwinm $s0,$acc00,24,0,7
rlwinm $s1,$acc01,24,0,7
rlwinm $s2,$acc02,24,0,7
rlwinm $s3,$acc03,24,0,7
lbzx $acc12,$Tbl2,$acc12
lbzx $acc13,$Tbl2,$acc13
rlwinm $s2,$acc02,24,0,7
rlwinm $s3,$acc03,24,0,7
lbzx $acc14,$Tbl2,$acc14
lbzx $acc15,$Tbl2,$acc15
rlwimi $s0,$acc04,16,8,15
@ -541,42 +541,38 @@ Lenc_compact_loop:
rlwinm $acc01,$s1,`32-24`,24,31
rlwinm $acc02,$s2,`32-24`,24,31
rlwinm $acc03,$s3,`32-24`,24,31
lwz $t0,0($key)
lwz $t1,4($key)
lwz $t2,8($key)
lwz $t3,12($key)
rlwinm $acc04,$s1,`32-16`,24,31
rlwinm $acc05,$s2,`32-16`,24,31
rlwinm $acc06,$s3,`32-16`,24,31
rlwinm $acc07,$s0,`32-16`,24,31
lbzx $acc00,$Tbl1,$acc00
lbzx $acc01,$Tbl1,$acc01
rlwinm $acc04,$s1,`32-16`,24,31
rlwinm $acc05,$s2,`32-16`,24,31
lbzx $acc02,$Tbl1,$acc02
lbzx $acc03,$Tbl1,$acc03
rlwinm $acc08,$s2,`32-8`,24,31
rlwinm $acc09,$s3,`32-8`,24,31
rlwinm $acc10,$s0,`32-8`,24,31
rlwinm $acc11,$s1,`32-8`,24,31
rlwinm $acc06,$s3,`32-16`,24,31
rlwinm $acc07,$s0,`32-16`,24,31
lbzx $acc04,$Tbl1,$acc04
lbzx $acc05,$Tbl1,$acc05
rlwinm $acc08,$s2,`32-8`,24,31
rlwinm $acc09,$s3,`32-8`,24,31
lbzx $acc06,$Tbl1,$acc06
lbzx $acc07,$Tbl1,$acc07
rlwinm $acc12,$s3,`0`,24,31
rlwinm $acc13,$s0,`0`,24,31
rlwinm $acc14,$s1,`0`,24,31
rlwinm $acc15,$s2,`0`,24,31
rlwinm $acc10,$s0,`32-8`,24,31
rlwinm $acc11,$s1,`32-8`,24,31
lbzx $acc08,$Tbl1,$acc08
lbzx $acc09,$Tbl1,$acc09
rlwinm $acc12,$s3,`0`,24,31
rlwinm $acc13,$s0,`0`,24,31
lbzx $acc10,$Tbl1,$acc10
lbzx $acc11,$Tbl1,$acc11
rlwinm $s0,$acc00,24,0,7
rlwinm $s1,$acc01,24,0,7
rlwinm $s2,$acc02,24,0,7
rlwinm $s3,$acc03,24,0,7
rlwinm $acc14,$s1,`0`,24,31
rlwinm $acc15,$s2,`0`,24,31
lbzx $acc12,$Tbl1,$acc12
lbzx $acc13,$Tbl1,$acc13
rlwinm $s0,$acc00,24,0,7
rlwinm $s1,$acc01,24,0,7
lbzx $acc14,$Tbl1,$acc14
lbzx $acc15,$Tbl1,$acc15
rlwinm $s2,$acc02,24,0,7
rlwinm $s3,$acc03,24,0,7
rlwimi $s0,$acc04,16,8,15
rlwimi $s1,$acc05,16,8,15
rlwimi $s2,$acc06,16,8,15
@ -585,8 +581,12 @@ Lenc_compact_loop:
rlwimi $s1,$acc09,8,16,23
rlwimi $s2,$acc10,8,16,23
rlwimi $s3,$acc11,8,16,23
lwz $t0,0($key)
lwz $t1,4($key)
or $s0,$s0,$acc12
or $s1,$s1,$acc13
lwz $t2,8($key)
lwz $t3,12($key)
or $s2,$s2,$acc14
or $s3,$s3,$acc15
@ -745,42 +745,42 @@ Lppc_AES_decrypt:
Ldec_loop:
rlwinm $acc00,$s0,`32-24+3`,21,28
rlwinm $acc01,$s1,`32-24+3`,21,28
rlwinm $acc02,$s2,`32-24+3`,21,28
rlwinm $acc03,$s3,`32-24+3`,21,28
lwz $t0,0($key)
lwz $t1,4($key)
rlwinm $acc02,$s2,`32-24+3`,21,28
rlwinm $acc03,$s3,`32-24+3`,21,28
lwz $t2,8($key)
lwz $t3,12($key)
rlwinm $acc04,$s3,`32-16+3`,21,28
rlwinm $acc05,$s0,`32-16+3`,21,28
rlwinm $acc06,$s1,`32-16+3`,21,28
rlwinm $acc07,$s2,`32-16+3`,21,28
lwzx $acc00,$Tbl0,$acc00
lwzx $acc01,$Tbl0,$acc01
rlwinm $acc06,$s1,`32-16+3`,21,28
rlwinm $acc07,$s2,`32-16+3`,21,28
lwzx $acc02,$Tbl0,$acc02
lwzx $acc03,$Tbl0,$acc03
rlwinm $acc08,$s2,`32-8+3`,21,28
rlwinm $acc09,$s3,`32-8+3`,21,28
rlwinm $acc10,$s0,`32-8+3`,21,28
rlwinm $acc11,$s1,`32-8+3`,21,28
lwzx $acc04,$Tbl1,$acc04
lwzx $acc05,$Tbl1,$acc05
rlwinm $acc10,$s0,`32-8+3`,21,28
rlwinm $acc11,$s1,`32-8+3`,21,28
lwzx $acc06,$Tbl1,$acc06
lwzx $acc07,$Tbl1,$acc07
rlwinm $acc12,$s1,`0+3`,21,28
rlwinm $acc13,$s2,`0+3`,21,28
rlwinm $acc14,$s3,`0+3`,21,28
rlwinm $acc15,$s0,`0+3`,21,28
lwzx $acc08,$Tbl2,$acc08
lwzx $acc09,$Tbl2,$acc09
rlwinm $acc14,$s3,`0+3`,21,28
rlwinm $acc15,$s0,`0+3`,21,28
lwzx $acc10,$Tbl2,$acc10
lwzx $acc11,$Tbl2,$acc11
xor $t0,$t0,$acc00
xor $t1,$t1,$acc01
xor $t2,$t2,$acc02
xor $t3,$t3,$acc03
lwzx $acc12,$Tbl3,$acc12
lwzx $acc13,$Tbl3,$acc13
xor $t2,$t2,$acc02
xor $t3,$t3,$acc03
lwzx $acc14,$Tbl3,$acc14
lwzx $acc15,$Tbl3,$acc15
xor $t0,$t0,$acc04
@ -810,42 +810,42 @@ Ldec_loop:
lwz $acc11,`2048+224`($Tbl0)
rlwinm $acc00,$s0,`32-24`,24,31
rlwinm $acc01,$s1,`32-24`,24,31
rlwinm $acc02,$s2,`32-24`,24,31
rlwinm $acc03,$s3,`32-24`,24,31
lwz $t0,0($key)
lwz $t1,4($key)
rlwinm $acc02,$s2,`32-24`,24,31
rlwinm $acc03,$s3,`32-24`,24,31
lwz $t2,8($key)
lwz $t3,12($key)
rlwinm $acc04,$s3,`32-16`,24,31
rlwinm $acc05,$s0,`32-16`,24,31
rlwinm $acc06,$s1,`32-16`,24,31
rlwinm $acc07,$s2,`32-16`,24,31
lbzx $acc00,$Tbl2,$acc00
lbzx $acc01,$Tbl2,$acc01
rlwinm $acc06,$s1,`32-16`,24,31
rlwinm $acc07,$s2,`32-16`,24,31
lbzx $acc02,$Tbl2,$acc02
lbzx $acc03,$Tbl2,$acc03
rlwinm $acc08,$s2,`32-8`,24,31
rlwinm $acc09,$s3,`32-8`,24,31
rlwinm $acc10,$s0,`32-8`,24,31
rlwinm $acc11,$s1,`32-8`,24,31
lbzx $acc04,$Tbl2,$acc04
lbzx $acc05,$Tbl2,$acc05
rlwinm $acc10,$s0,`32-8`,24,31
rlwinm $acc11,$s1,`32-8`,24,31
lbzx $acc06,$Tbl2,$acc06
lbzx $acc07,$Tbl2,$acc07
rlwinm $acc12,$s1,`0`,24,31
rlwinm $acc13,$s2,`0`,24,31
rlwinm $acc14,$s3,`0`,24,31
rlwinm $acc15,$s0,`0`,24,31
lbzx $acc08,$Tbl2,$acc08
lbzx $acc09,$Tbl2,$acc09
rlwinm $acc14,$s3,`0`,24,31
rlwinm $acc15,$s0,`0`,24,31
lbzx $acc10,$Tbl2,$acc10
lbzx $acc11,$Tbl2,$acc11
rlwinm $s0,$acc00,24,0,7
rlwinm $s1,$acc01,24,0,7
rlwinm $s2,$acc02,24,0,7
rlwinm $s3,$acc03,24,0,7
lbzx $acc12,$Tbl2,$acc12
lbzx $acc13,$Tbl2,$acc13
rlwinm $s2,$acc02,24,0,7
rlwinm $s3,$acc03,24,0,7
lbzx $acc14,$Tbl2,$acc14
lbzx $acc15,$Tbl2,$acc15
rlwimi $s0,$acc04,16,8,15
@ -896,42 +896,38 @@ Ldec_compact_loop:
rlwinm $acc01,$s1,`32-24`,24,31
rlwinm $acc02,$s2,`32-24`,24,31
rlwinm $acc03,$s3,`32-24`,24,31
lwz $t0,0($key)
lwz $t1,4($key)
lwz $t2,8($key)
lwz $t3,12($key)
rlwinm $acc04,$s3,`32-16`,24,31
rlwinm $acc05,$s0,`32-16`,24,31
rlwinm $acc06,$s1,`32-16`,24,31
rlwinm $acc07,$s2,`32-16`,24,31
lbzx $acc00,$Tbl1,$acc00
lbzx $acc01,$Tbl1,$acc01
rlwinm $acc04,$s3,`32-16`,24,31
rlwinm $acc05,$s0,`32-16`,24,31
lbzx $acc02,$Tbl1,$acc02
lbzx $acc03,$Tbl1,$acc03
rlwinm $acc08,$s2,`32-8`,24,31
rlwinm $acc09,$s3,`32-8`,24,31
rlwinm $acc10,$s0,`32-8`,24,31
rlwinm $acc11,$s1,`32-8`,24,31
rlwinm $acc06,$s1,`32-16`,24,31
rlwinm $acc07,$s2,`32-16`,24,31
lbzx $acc04,$Tbl1,$acc04
lbzx $acc05,$Tbl1,$acc05
rlwinm $acc08,$s2,`32-8`,24,31
rlwinm $acc09,$s3,`32-8`,24,31
lbzx $acc06,$Tbl1,$acc06
lbzx $acc07,$Tbl1,$acc07
rlwinm $acc12,$s1,`0`,24,31
rlwinm $acc13,$s2,`0`,24,31
rlwinm $acc14,$s3,`0`,24,31
rlwinm $acc15,$s0,`0`,24,31
rlwinm $acc10,$s0,`32-8`,24,31
rlwinm $acc11,$s1,`32-8`,24,31
lbzx $acc08,$Tbl1,$acc08
lbzx $acc09,$Tbl1,$acc09
rlwinm $acc12,$s1,`0`,24,31
rlwinm $acc13,$s2,`0`,24,31
lbzx $acc10,$Tbl1,$acc10
lbzx $acc11,$Tbl1,$acc11
rlwinm $s0,$acc00,24,0,7
rlwinm $s1,$acc01,24,0,7
rlwinm $s2,$acc02,24,0,7
rlwinm $s3,$acc03,24,0,7
rlwinm $acc14,$s3,`0`,24,31
rlwinm $acc15,$s0,`0`,24,31
lbzx $acc12,$Tbl1,$acc12
lbzx $acc13,$Tbl1,$acc13
rlwinm $s0,$acc00,24,0,7
rlwinm $s1,$acc01,24,0,7
lbzx $acc14,$Tbl1,$acc14
lbzx $acc15,$Tbl1,$acc15
rlwinm $s2,$acc02,24,0,7
rlwinm $s3,$acc03,24,0,7
rlwimi $s0,$acc04,16,8,15
rlwimi $s1,$acc05,16,8,15
rlwimi $s2,$acc06,16,8,15
@ -940,8 +936,12 @@ Ldec_compact_loop:
rlwimi $s1,$acc09,8,16,23
rlwimi $s2,$acc10,8,16,23
rlwimi $s3,$acc11,8,16,23
lwz $t0,0($key)
lwz $t1,4($key)
or $s0,$s0,$acc12
or $s1,$s1,$acc13
lwz $t2,8($key)
lwz $t3,12($key)
or $s2,$s2,$acc14
or $s3,$s3,$acc15
@ -1003,12 +1003,12 @@ $code.=<<___ if ($SIZE_T==8);
xor $acc04,$acc04,$s0 # r4^r0
xor $acc06,$acc06,$s2
extrdi $acc01,$acc00,0,32
extrdi $acc03,$acc02,0,32
extrdi $acc05,$acc04,0,32
extrdi $acc07,$acc06,0,32
extrdi $acc09,$acc08,0,32
extrdi $acc11,$acc10,0,32
extrdi $acc01,$acc00,32,0
extrdi $acc03,$acc02,32,0
extrdi $acc05,$acc04,32,0
extrdi $acc07,$acc06,32,0
extrdi $acc09,$acc08,32,0
extrdi $acc11,$acc10,32,0
___
$code.=<<___ if ($SIZE_T==4);
and $acc00,$s0,$mask80 # r1=r0&0x80808080