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Apply "better safe than sorry" approach after addressing sporadic SEGV in

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bn_sub_words to the rest of the sparcv8plus.S.
This commit is contained in:
Andy Polyakov
2005-11-15 08:02:10 +00:00
parent c52c82ffc1
commit 07645deeb8
1 changed files with 12 additions and 0 deletions
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12
crypto/bn/asm/sparcv8plus.S
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@@ -162,10 +162,14 @@
* BN_ULONG w; * BN_ULONG w;
*/ */
bn_mul_add_words: bn_mul_add_words:
sra %o2,%g0,%o2 ! signx %o2
brgz,a %o2,.L_bn_mul_add_words_proceed brgz,a %o2,.L_bn_mul_add_words_proceed
lduw [%o1],%g2 lduw [%o1],%g2
retl retl
clr %o0 clr %o0
nop
nop
nop
.L_bn_mul_add_words_proceed: .L_bn_mul_add_words_proceed:
srl %o3,%g0,%o3 ! clruw %o3 srl %o3,%g0,%o3 ! clruw %o3
@@ -260,10 +264,14 @@ bn_mul_add_words:
* BN_ULONG w; * BN_ULONG w;
*/ */
bn_mul_words: bn_mul_words:
sra %o2,%g0,%o2 ! signx %o2
brgz,a %o2,.L_bn_mul_words_proceeed brgz,a %o2,.L_bn_mul_words_proceeed
lduw [%o1],%g2 lduw [%o1],%g2
retl retl
clr %o0 clr %o0
nop
nop
nop
.L_bn_mul_words_proceeed: .L_bn_mul_words_proceeed:
srl %o3,%g0,%o3 ! clruw %o3 srl %o3,%g0,%o3 ! clruw %o3
@@ -344,10 +352,14 @@ bn_mul_words:
* int n; * int n;
*/ */
bn_sqr_words: bn_sqr_words:
sra %o2,%g0,%o2 ! signx %o2
brgz,a %o2,.L_bn_sqr_words_proceeed brgz,a %o2,.L_bn_sqr_words_proceeed
lduw [%o1],%g2 lduw [%o1],%g2
retl retl
clr %o0 clr %o0
nop
nop
nop
.L_bn_sqr_words_proceeed: .L_bn_sqr_words_proceeed:
andcc %o2,-4,%g0 andcc %o2,-4,%g0