diff options
Diffstat (limited to 'mpn/x86')
| -rw-r--r-- | mpn/x86/k7/mod_1_1.asm | 23 |
1 files changed, 5 insertions, 18 deletions
diff --git a/mpn/x86/k7/mod_1_1.asm b/mpn/x86/k7/mod_1_1.asm index 9a527ce74..bb19626b2 100644 --- a/mpn/x86/k7/mod_1_1.asm +++ b/mpn/x86/k7/mod_1_1.asm @@ -77,9 +77,6 @@ PROLOGUE(mpn_mod_1_1p) mov 12(%ebp), %eax C B2modb push %eax C Put it on stack - mov 4(%ebp), %cl - shrl %cl, b - mov n, %edx mov 24(%esp), ap @@ -147,7 +144,6 @@ L(reduce_two): mov t0, %eax C Left-shift to normalize - shll %cl, b shld %cl, r0, %eax C Always use shld? shl %cl, r0 @@ -185,7 +181,6 @@ L(fix): sub %ebx, %eax EPILOGUE() PROLOGUE(mpn_mod_1_1p_cps) -C CAUTION: This is the same code as in pentium4/sse2//mod_1_1.asm push %ebp mov 12(%esp), %ebp push %esi @@ -197,25 +192,17 @@ C CAUTION: This is the same code as in pentium4/sse2//mod_1_1.asm mov %ebp, %edx not %edx mov $-1, %eax - div %ebp + div %ebp C On K7, invert_limb would be a few cycles faster. mov %eax, (%esi) C store bi mov %ecx, 4(%esi) C store cnt - xor %ebx, %ebx - sub %ebp, %ebx + neg %ebp mov $1, %edx shld %cl, %eax, %edx - imul %edx, %ebx - mul %ebx - add %ebx, %edx - not %edx imul %ebp, %edx - add %edx, %ebp - cmp %edx, %eax - cmovc( %ebp, %edx) - shr %cl, %ebx - mov %ebx, 8(%esi) C store B1modb shr %cl, %edx - mov %edx, 12(%esi) C store B2modb + imul %ebp, %eax + mov %edx, 8(%esi) C store B1modb + mov %eax, 12(%esi) C store B2modb pop %ebx pop %esi pop %ebp |