diff options
Diffstat (limited to 'crypto/bn/asm/x86_64-gf2m.pl')
| -rw-r--r-- | crypto/bn/asm/x86_64-gf2m.pl | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/crypto/bn/asm/x86_64-gf2m.pl b/crypto/bn/asm/x86_64-gf2m.pl index d962f62033..d237c1e3d2 100644 --- a/crypto/bn/asm/x86_64-gf2m.pl +++ b/crypto/bn/asm/x86_64-gf2m.pl @@ -174,8 +174,9 @@ $code.=<<___; .type bn_GF2m_mul_2x2,\@abi-omnipotent .align 16 bn_GF2m_mul_2x2: - mov OPENSSL_ia32cap_P(%rip),%rax - bt \$33,%rax + mov %rsp,%rax + mov OPENSSL_ia32cap_P(%rip),%r10 + bt \$33,%r10 jnc .Lvanilla_mul_2x2 movq $a1,%xmm0 @@ -280,6 +281,7 @@ $code.=<<___ if ($win64); ___ $code.=<<___; lea 8*17(%rsp),%rsp +.Lepilogue_mul_2x2: ret .Lend_mul_2x2: .size bn_GF2m_mul_2x2,.-bn_GF2m_mul_2x2 @@ -312,13 +314,19 @@ se_handler: pushfq sub \$64,%rsp - mov 152($context),%rax # pull context->Rsp + mov 120($context),%rax # pull context->Rax mov 248($context),%rbx # pull context->Rip lea .Lbody_mul_2x2(%rip),%r10 cmp %r10,%rbx # context->Rip<"prologue" label jb .Lin_prologue + mov 152($context),%rax # pull context->Rsp + + lea .Lepilogue_mul_2x2(%rip),%r10 + cmp %r10,%rbx # context->Rip>="epilogue" label + jae .Lin_prologue + mov 8*10(%rax),%r14 # mimic epilogue mov 8*11(%rax),%r13 mov 8*12(%rax),%r12 @@ -335,8 +343,9 @@ se_handler: mov %r13,224($context) # restore context->R13 mov %r14,232($context) # restore context->R14 -.Lin_prologue: lea 8*17(%rax),%rax + +.Lin_prologue: mov %rax,152($context) # restore context->Rsp mov 40($disp),%rdi # disp->ContextRecord |