diff options
Diffstat (limited to 'sysdeps/alpha/udiv_qrnnd.S')
| -rw-r--r-- | sysdeps/alpha/udiv_qrnnd.S | 44 |
1 files changed, 27 insertions, 17 deletions
diff --git a/sysdeps/alpha/udiv_qrnnd.S b/sysdeps/alpha/udiv_qrnnd.S index eb134f25c7..75d11827f9 100644 --- a/sysdeps/alpha/udiv_qrnnd.S +++ b/sysdeps/alpha/udiv_qrnnd.S @@ -27,8 +27,15 @@ .text LEAF(__udiv_qrnnd, 0) - +#ifdef PROF + ldgp gp, 0(pv) + lda AT, _mcount + jsr AT, (AT), _mcount + .prologue 1 +#else .prologue 0 +#endif + #define cnt $2 #define tmp $3 #define rem_ptr $16 @@ -38,9 +45,9 @@ LEAF(__udiv_qrnnd, 0) #define qb $20 ldiq cnt,16 - blt d,.Largedivisor + blt d,$largedivisor -.Loop1: cmplt n0,0,tmp +$loop1: cmplt n0,0,tmp addq n1,n1,n1 bis n1,tmp,n1 addq n0,n0,n0 @@ -73,12 +80,12 @@ LEAF(__udiv_qrnnd, 0) cmovne qb,tmp,n1 bis n0,qb,n0 subq cnt,1,cnt - bgt cnt,.Loop1 + bgt cnt,$loop1 stq n1,0(rem_ptr) bis $31,n0,$0 ret $31,($26),1 -.Largedivisor: +$largedivisor: and n0,1,$4 srl n0,1,n0 @@ -90,7 +97,7 @@ LEAF(__udiv_qrnnd, 0) srl d,1,$5 addq $5,$6,$5 -.Loop2: cmplt n0,0,tmp +$loop2: cmplt n0,0,tmp addq n1,n1,n1 bis n1,tmp,n1 addq n0,n0,n0 @@ -123,27 +130,30 @@ LEAF(__udiv_qrnnd, 0) cmovne qb,tmp,n1 bis n0,qb,n0 subq cnt,1,cnt - bgt cnt,.Loop2 + bgt cnt,$loop2 addq n1,n1,n1 addq $4,n1,n1 - bne $6,.LOdd + bne $6,$Odd stq n1,0(rem_ptr) bis $31,n0,$0 ret $31,($26),1 -.LOdd: +$Odd: /* q' in n0. r' in n1 */ addq n1,n0,n1 + cmpult n1,n0,tmp # tmp := carry from addq - beq tmp,.LLp6 - addq n0,1,n0 - subq n1,d,n1 -.LLp6: cmpult n1,d,tmp - bne tmp,.LLp7 - addq n0,1,n0 - subq n1,d,n1 -.LLp7: + subq n1,d,AT + addq n0,tmp,n0 + cmovne tmp,AT,n1 + + cmpult n1,d,tmp + addq n0,1,AT + cmoveq tmp,AT,n0 + subq n1,d,AT + cmoveq tmp,AT,n1 + stq n1,0(rem_ptr) bis $31,n0,$0 ret $31,($26),1 |