1 files changed, 14 insertions, 2 deletions

diff --git a/src/lib/libcrypto/bn/asm/sparcv8plus.S b/src/lib/libcrypto/bn/asm/sparcv8plus.S
index 0074dfdb75..8c56e2e7e7 100644
--- a/src/lib/libcrypto/bn/asm/sparcv8plus.S
+++ b/src/lib/libcrypto/bn/asm/sparcv8plus.S
@@ -162,10 +162,14 @@
  * BN_ULONG w;
  */
 bn_mul_add_words:
+        sra     %o2,%g0,%o2     ! signx %o2
         brgz,a  %o2,.L_bn_mul_add_words_proceed
         lduw    [%o1],%g2
         retl
         clr     %o0
+        nop
+        nop
+        nop
 
 .L_bn_mul_add_words_proceed:
         srl     %o3,%g0,%o3     ! clruw %o3
@@ -260,10 +264,14 @@ bn_mul_add_words:
  * BN_ULONG w;
  */
 bn_mul_words:
+        sra     %o2,%g0,%o2     ! signx %o2
         brgz,a  %o2,.L_bn_mul_words_proceeed
         lduw    [%o1],%g2
         retl
         clr     %o0
+        nop
+        nop
+        nop
 
 .L_bn_mul_words_proceeed:
         srl     %o3,%g0,%o3     ! clruw %o3
@@ -344,10 +352,14 @@ bn_mul_words:
  * int n;
  */
 bn_sqr_words:
+        sra     %o2,%g0,%o2     ! signx %o2
         brgz,a  %o2,.L_bn_sqr_words_proceeed
         lduw    [%o1],%g2
         retl
         clr     %o0
+        nop
+        nop
+        nop
 
 .L_bn_sqr_words_proceeed:
         andcc   %o2,-4,%g0
@@ -445,6 +457,7 @@ 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 +467,6 @@ 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 +535,7 @@ 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 +545,6 @@ 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