diff options
Diffstat (limited to 'sysdeps/alpha/alphaev5/lshift.s')
| -rw-r--r-- | sysdeps/alpha/alphaev5/lshift.s | 30 |
1 files changed, 14 insertions, 16 deletions
diff --git a/sysdeps/alpha/alphaev5/lshift.s b/sysdeps/alpha/alphaev5/lshift.s index fdb089550f..392b4249b8 100644 --- a/sysdeps/alpha/alphaev5/lshift.s +++ b/sysdeps/alpha/alphaev5/lshift.s @@ -25,7 +25,7 @@ # size r18 # cnt r19 - # This code runs at 4.25 cycles/limb on the EV5. + # This code runs at 3.25 cycles/limb on the EV5. .set noreorder .set noat @@ -44,11 +44,11 @@ __mpn_lshift: and $18,4-1,$28 # number of limbs in first loop srl $4,$20,$0 # compute function result - beq $28,L0 + beq $28,.L0 subq $18,$28,$18 .align 3 -Loop0: ldq $3,-16($17) +.Loop0: ldq $3,-16($17) subq $16,8,$16 sll $4,$19,$5 subq $17,8,$17 @@ -57,17 +57,17 @@ Loop0: ldq $3,-16($17) or $3,$3,$4 or $5,$6,$8 stq $8,0($16) - bne $28,Loop0 + bne $28,.Loop0 -L0: sll $4,$19,$24 - beq $18,Lend +.L0: sll $4,$19,$24 + beq $18,.Lend # warm up phase 1 ldq $1,-16($17) subq $18,4,$18 ldq $2,-24($17) ldq $3,-32($17) ldq $4,-40($17) - beq $18,Lcool1 + beq $18,.Lend1 # warm up phase 2 srl $1,$20,$7 sll $1,$19,$21 @@ -84,10 +84,10 @@ L0: sll $4,$19,$24 sll $4,$19,$24 ldq $4,-72($17) subq $18,4,$18 - beq $18,Lcool1 + beq $18,.Lend2 .align 4 # main loop -Loop: stq $7,-8($16) +.Loop: stq $7,-8($16) or $5,$22,$5 stq $8,-16($16) or $6,$23,$6 @@ -113,16 +113,14 @@ Loop: stq $7,-8($16) subq $16,32,$16 srl $4,$20,$6 - ldq $3,-96($17 + ldq $3,-96($17) sll $4,$19,$24 ldq $4,-104($17) subq $17,32,$17 - bne $18,Loop - unop - unop + bne $18,.Loop # cool down phase 2/1 -Lcool1: stq $7,-8($16) +.Lend2: stq $7,-8($16) or $5,$22,$5 stq $8,-16($16) or $6,$23,$6 @@ -150,7 +148,7 @@ Lcool1: stq $7,-8($16) ret $31,($26),1 # cool down phase 1/1 -Lcool1: srl $1,$20,$7 +.Lend1: srl $1,$20,$7 sll $1,$19,$21 srl $2,$20,$8 sll $2,$19,$22 @@ -170,6 +168,6 @@ Lcool1: srl $1,$20,$7 stq $24,-40($16) ret $31,($26),1 -Lend stq $24,-8($16) +.Lend: stq $24,-8($16) ret $31,($26),1 .end __mpn_lshift |