From 754d494bef083e7f4c8733e7142555726ca7efef Mon Sep 17 00:00:00 2001 From: Richard Levitte Date: Fri, 9 Mar 2001 01:13:23 +0000 Subject: [PATCH] Bug fixes. --- crypto/bn/asm/vms.mar | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/crypto/bn/asm/vms.mar b/crypto/bn/asm/vms.mar index 754ab5347a..5eab242706 100644 --- a/crypto/bn/asm/vms.mar +++ b/crypto/bn/asm/vms.mar @@ -261,6 +261,7 @@ d=12 ;(AP) d by value (input) movl #0,r5 movl #0,r8 movl #0,r0 +; movl #0,r1 rotl #-1,r2,r6 ; a20 = l >> 1 (almost) rotl #-1,r3,r7 ; a21 = h >> 1 (almost) @@ -278,17 +279,17 @@ d=12 ;(AP) d by value (input) xorl2 #^X80000000,r7 ; fixup a21 so highest bit is 1 2$: tstl r9 - bgeq 666$ ; Uh-oh, the divisor is 0... + beq 666$ ; Uh-oh, the divisor is 0... bgtr 3$ - xorl2 #^X80000000,r9 ; fixup b2 so highest bit is 1 - incl r8 + xorl2 #^X80000000,r9 ; fixup b2 so highest bit is 0 + incl r8 ; b' = 1 3$: tstl r9 - bneq 4$ ; if b2 is 0, we know that bprim is 1 - tstl r7 + bneq 4$ ; if b2 is 0, we know that b' is 1 + tstl r3 bneq 666$ ; if higher half isn't 0, we overflow - movl r0,r6 ; otherwise, we have our result - brb 42$ + movl r2,r10 ; otherwise, we have our result + brb 42$ ; This is a success, really. 4$: ediv r9,r6,r10,r11 -- 2.25.1