提交 699e1a3a 编写于 作者: A Andy Polyakov

This is also informational commit exposing loop modulo scheduling "factor."

上级 64214a21
......@@ -267,12 +267,147 @@ $code=<<___;
fcfid $nb,$nb
fcfid $nc,$nc
fcfid $nd,$nd
addi $j,$j,-1
addi $tp,$sp,`$FRAME+$TRANSFER-8`
li $carry,0
mtctr $j
lwz $t0,4($ap) ; load a[j] as 32-bit word pair
lwz $t1,0($ap)
lwz $t2,4($np) ; load n[j] as 32-bit word pair
lwz $t3,0($np)
std $t0,`$FRAME+0`($sp)
std $t1,`$FRAME+8`($sp)
std $t2,`$FRAME+16`($sp)
std $t3,`$FRAME+24`($sp)
lfd $A0,`$FRAME+0`($sp)
lfd $A1,`$FRAME+8`($sp)
lfd $N0,`$FRAME+16`($sp)
lfd $N1,`$FRAME+24`($sp)
fcfid $A0,$A0
fcfid $A1,$A1
fcfid $N0,$N0
fcfid $N1,$N1
stfdu $A0,8($ap_l) ; save a[j] in double format
stfdu $A1,8($ap_h)
stfdu $N0,8($np_l) ; save n[j] in double format
stfdu $N1,8($np_h)
lwz $t4,12($ap) ; load a[j+1] as 32-bit word pair
lwz $t5,8($ap)
lwz $t6,12($np) ; load n[j+1] as 32-bit word pair
lwz $t7,8($np)
std $t4,`$FRAME+32`($sp)
std $t5,`$FRAME+40`($sp)
std $t6,`$FRAME+48`($sp)
std $t7,`$FRAME+56`($sp)
lfd $A2,`$FRAME+32`($sp)
lfd $A3,`$FRAME+40`($sp)
lfd $N2,`$FRAME+48`($sp)
lfd $N3,`$FRAME+56`($sp)
fcfid $A2,$A2
fcfid $A3,$A3
fcfid $N2,$N2
fcfid $N3,$N3
stfdu $A2,8($ap_l) ; save a[j+1] in double format
stfdu $A3,8($ap_h)
stfdu $N2,8($np_l) ; save n[j+1] in double format
stfdu $N3,8($np_h)
addi $ap,$ap,16
addi $np,$np,16
fmadd $T0a,$A0,$ba,$dota
fmadd $T0b,$A0,$bb,$dotb
fmul $T1a,$A1,$ba
fmul $T1b,$A1,$bb
fmul $T2a,$A2,$ba
fmul $T2b,$A2,$bb
fmul $T3a,$A3,$ba
fmul $T3b,$A3,$bb
fmadd $T1a,$A0,$bc,$T1a
fmadd $T1b,$A0,$bd,$T1b
fmadd $T2a,$A1,$bc,$T2a
fmadd $T2b,$A1,$bd,$T2b
fmadd $T3a,$A2,$bc,$T3a
fmadd $T3b,$A2,$bd,$T3b
fmul $dota,$A3,$bc
fmul $dotb,$A3,$bd
fmadd $T0a,$N0,$na,$T0a
fmadd $T0b,$N0,$nb,$T0b
fmadd $T1a,$N1,$na,$T1a
fmadd $T1b,$N1,$nb,$T1b
fmadd $T2a,$N2,$na,$T2a
fmadd $T2b,$N2,$nb,$T2b
fmadd $T3a,$N3,$na,$T3a
fmadd $T3b,$N3,$nb,$T3b
fmadd $T1a,$N0,$nc,$T1a
fmadd $T1b,$N0,$nd,$T1b
fmadd $T2a,$N1,$nc,$T2a
fmadd $T2b,$N1,$nd,$T2b
fmadd $T3a,$N2,$nc,$T3a
fmadd $T3b,$N2,$nd,$T3b
fmadd $dota,$N3,$nc,$dota
fmadd $dotb,$N3,$nd,$dotb
fctid $T0a,$T0a
fctid $T0b,$T0b
fctid $T1a,$T1a
fctid $T1b,$T1b
fctid $T2a,$T2a
fctid $T2b,$T2b
fctid $T3a,$T3a
fctid $T3b,$T3b
stfd $T0a,`$FRAME+0`($sp)
stfd $T0b,`$FRAME+8`($sp)
stfd $T1a,`$FRAME+16`($sp)
stfd $T1b,`$FRAME+24`($sp)
stfd $T2a,`$FRAME+32`($sp)
stfd $T2b,`$FRAME+40`($sp)
stfd $T3a,`$FRAME+48`($sp)
stfd $T3b,`$FRAME+56`($sp)
.align 4
L1st:
ld $t0,`$FRAME+0`($sp)
ld $t1,`$FRAME+8`($sp)
ld $t2,`$FRAME+16`($sp)
ld $t3,`$FRAME+24`($sp)
ld $t4,`$FRAME+32`($sp)
ld $t5,`$FRAME+40`($sp)
ld $t6,`$FRAME+48`($sp)
ld $t7,`$FRAME+56`($sp)
add $t0,$t0,$carry ; can not overflow
srdi $carry,$t0,16
add $t1,$t1,$carry
srdi $carry,$t1,16
add $t2,$t2,$carry
srdi $carry,$t2,16
add $t3,$t3,$carry
srdi $carry,$t3,16
add $t4,$t4,$carry
srdi $carry,$t4,16
add $t5,$t5,$carry
srdi $carry,$t5,16
add $t6,$t6,$carry
srdi $carry,$t6,16
add $t7,$t7,$carry
insrdi $t0,$t1,16,32
insrdi $t0,$t2,16,16
insrdi $t0,$t3,16,0 ; 0..63 bits
insrdi $t4,$t5,16,32
insrdi $t4,$t6,16,16
insrdi $t4,$t7,16,0 ; 64..127 bits
srdi $carry,$t7,16 ; upper 33 bits
std $t0,8($tp) ; tp[j-1]
stdu $t4,16($tp) ; tp[j]
lwz $t0,4($ap) ; load a[j] as 32-bit word pair
lwz $t1,0($ap)
lwz $t2,4($np) ; load n[j] as 32-bit word pair
......@@ -370,6 +505,8 @@ L1st:
stfd $T2b,`$FRAME+40`($sp)
stfd $T3a,`$FRAME+48`($sp)
stfd $T3b,`$FRAME+56`($sp)
bdnz- L1st
ld $t0,`$FRAME+0`($sp)
ld $t1,`$FRAME+8`($sp)
ld $t2,`$FRAME+16`($sp)
......@@ -405,7 +542,6 @@ L1st:
std $t0,8($tp) ; tp[j-1]
stdu $t4,16($tp) ; tp[j]
bdnz- L1st
fctid $dota,$dota
fctid $dotb,$dotb
......@@ -475,8 +611,114 @@ Louter:
fsub $dotb,$dotb,$dotb
li $carry,0
mtctr $j
lfdu $A0,8($ap_l) ; load a[j] in double format
lfdu $A1,8($ap_h)
lfdu $N0,8($np_l) ; load n[j] in double format
lfdu $N1,8($np_h)
lfdu $A2,8($ap_l) ; load a[j+1] in double format
lfdu $A3,8($ap_h)
lfdu $N2,8($np_l) ; load n[j+1] in double format
lfdu $N3,8($np_h)
fmadd $T0a,$A0,$ba,$dota
fmadd $T0b,$A0,$bb,$dotb
fmul $T1a,$A1,$ba
fmul $T1b,$A1,$bb
fmul $T2a,$A2,$ba
fmul $T2b,$A2,$bb
fmul $T3a,$A3,$ba
fmul $T3b,$A3,$bb
fmadd $T1a,$A0,$bc,$T1a
fmadd $T1b,$A0,$bd,$T1b
fmadd $T2a,$A1,$bc,$T2a
fmadd $T2b,$A1,$bd,$T2b
fmadd $T3a,$A2,$bc,$T3a
fmadd $T3b,$A2,$bd,$T3b
fmul $dota,$A3,$bc
fmul $dotb,$A3,$bd
fmadd $T0a,$N0,$na,$T0a
fmadd $T0b,$N0,$nb,$T0b
fmadd $T1a,$N1,$na,$T1a
fmadd $T1b,$N1,$nb,$T1b
fmadd $T2a,$N2,$na,$T2a
fmadd $T2b,$N2,$nb,$T2b
fmadd $T3a,$N3,$na,$T3a
fmadd $T3b,$N3,$nb,$T3b
fmadd $T1a,$N0,$nc,$T1a
fmadd $T1b,$N0,$nd,$T1b
fmadd $T2a,$N1,$nc,$T2a
fmadd $T2b,$N1,$nd,$T2b
fmadd $T3a,$N2,$nc,$T3a
fmadd $T3b,$N2,$nd,$T3b
fmadd $dota,$N3,$nc,$dota
fmadd $dotb,$N3,$nd,$dotb
fctid $T0a,$T0a
fctid $T0b,$T0b
fctid $T1a,$T1a
fctid $T1b,$T1b
fctid $T2a,$T2a
fctid $T2b,$T2b
fctid $T3a,$T3a
fctid $T3b,$T3b
stfd $T0a,`$FRAME+0`($sp)
stfd $T0b,`$FRAME+8`($sp)
stfd $T1a,`$FRAME+16`($sp)
stfd $T1b,`$FRAME+24`($sp)
stfd $T2a,`$FRAME+32`($sp)
stfd $T2b,`$FRAME+40`($sp)
stfd $T3a,`$FRAME+48`($sp)
stfd $T3b,`$FRAME+56`($sp)
.align 4
Linner:
ld $t0,`$FRAME+0`($sp)
ld $t1,`$FRAME+8`($sp)
ld $t2,`$FRAME+16`($sp)
ld $t3,`$FRAME+24`($sp)
ld $t4,`$FRAME+32`($sp)
ld $t5,`$FRAME+40`($sp)
ld $t6,`$FRAME+48`($sp)
ld $t7,`$FRAME+56`($sp)
add $t0,$t0,$carry ; can not overflow
srdi $carry,$t0,16
add $t1,$t1,$carry
srdi $carry,$t1,16
add $t2,$t2,$carry
srdi $carry,$t2,16
add $t3,$t3,$carry
srdi $carry,$t3,16
add $t4,$t4,$carry
srdi $carry,$t4,16
add $t5,$t5,$carry
srdi $carry,$t5,16
add $t6,$t6,$carry
srdi $carry,$t6,16
add $t7,$t7,$carry
insrdi $t0,$t1,16,32
insrdi $t0,$t2,16,16
insrdi $t0,$t3,16,0 ; 0..63 bits
insrdi $t4,$t5,16,32
insrdi $t4,$t6,16,16
insrdi $t4,$t7,16,0 ; 64..127 bits
srdi $carry,$t7,16 ; upper 33 bits
ld $t1,8($tp) ; tp[j]
ldu $t2,16($tp) ; tp[j+1]
addc $t3,$t0,$t1
adde $t5,$t4,$t2
addze $carry,$carry
std $t3,-16($tp) ; tp[j-1]
std $t5,-8($tp) ; tp[j]
lfdu $A0,8($ap_l) ; load a[j] in double format
lfdu $A1,8($ap_h)
lfdu $N0,8($np_l) ; load n[j] in double format
......@@ -539,6 +781,8 @@ Linner:
stfd $T2b,`$FRAME+40`($sp)
stfd $T3a,`$FRAME+48`($sp)
stfd $T3b,`$FRAME+56`($sp)
bdnz- Linner
ld $t0,`$FRAME+0`($sp)
ld $t1,`$FRAME+8`($sp)
ld $t2,`$FRAME+16`($sp)
......@@ -581,7 +825,6 @@ Linner:
std $t3,-16($tp) ; tp[j-1]
std $t5,-8($tp) ; tp[j]
bdnz- Linner
fctid $dota,$dota
fctid $dotb,$dotb
......@@ -611,6 +854,7 @@ Linner:
addi $t4,$sp,`$FRAME+$TRANSFER+16`
addi $t5,$np,8
addi $t6,$rp,8
addi $j,$j,1
mtctr $j
.align 4
......
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