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Attempt to resolve sporadic SEGV crashes in bn_sub_words in OpenSSH. I'm

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baffled why it crashes and does it sporadically...
This commit is contained in:
Andy Polyakov
2005-11-11 20:07:07 +00:00
parent d6a03a23a8
commit c52c82ffc1
1 changed files with 2 additions and 2 deletions
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4
crypto/bn/asm/sparcv8plus.S
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@@ -445,6 +445,7 @@ bn_div_words:
* int n;
*/
bn_add_words:
sra %o3,%g0,%o3 ! signx %o3
brgz,a %o3,.L_bn_add_words_proceed
lduw [%o1],%o4
retl
@@ -454,7 +455,6 @@ bn_add_words:
andcc %o3,-4,%g0
bz,pn %icc,.L_bn_add_words_tail
addcc %g0,0,%g0 ! clear carry flag
nop
.L_bn_add_words_loop: ! wow! 32 aligned!
dec 4,%o3
@@ -523,6 +523,7 @@ bn_add_words:
* int n;
*/
bn_sub_words:
sra %o3,%g0,%o3 ! signx %o3
brgz,a %o3,.L_bn_sub_words_proceed
lduw [%o1],%o4
retl
@@ -532,7 +533,6 @@ bn_sub_words:
andcc %o3,-4,%g0
bz,pn %icc,.L_bn_sub_words_tail
addcc %g0,0,%g0 ! clear carry flag
nop
.L_bn_sub_words_loop: ! wow! 32 aligned!
dec 4,%o3