diff options
Diffstat (limited to 'secure/lib/libcrypto/amd64/x86_64-mont.S')
| -rw-r--r-- | secure/lib/libcrypto/amd64/x86_64-mont.S | 40 |
1 files changed, 37 insertions, 3 deletions
diff --git a/secure/lib/libcrypto/amd64/x86_64-mont.S b/secure/lib/libcrypto/amd64/x86_64-mont.S index 5997f3c..9e7fa54 100644 --- a/secure/lib/libcrypto/amd64/x86_64-mont.S +++ b/secure/lib/libcrypto/amd64/x86_64-mont.S @@ -31,6 +31,20 @@ bn_mul_mont: movq %r11,8(%rsp,%r9,8) .Lmul_body: + + + + + + + subq %rsp,%r11 + andq $-4096,%r11 +.Lmul_page_walk: + movq (%rsp,%r11,1),%r10 + subq $4096,%r11 +.byte 0x66,0x2e + jnc .Lmul_page_walk + movq %rdx,%r12 movq (%r8),%r8 movq (%r12),%rbx @@ -228,6 +242,14 @@ bn_mul4x_mont: movq %r11,8(%rsp,%r9,8) .Lmul4x_body: + subq %rsp,%r11 + andq $-4096,%r11 +.Lmul4x_page_walk: + movq (%rsp,%r11,1),%r10 + subq $4096,%r11 +.byte 0x2e + jnc .Lmul4x_page_walk + movq %rdi,16(%rsp,%r9,8) movq %rdx,%r12 movq (%r8),%r8 @@ -610,6 +632,7 @@ bn_mul4x_mont: .align 16 bn_sqr4x_mont: .Lsqr4x_enter: + movq %rsp,%rax pushq %rbx pushq %rbp pushq %r12 @@ -618,13 +641,24 @@ bn_sqr4x_mont: pushq %r15 shll $3,%r9d - xorq %r10,%r10 movq %rsp,%r11 - subq %r9,%r10 + negq %r9 movq (%r8),%r8 - leaq -72(%rsp,%r10,2),%rsp + leaq -72(%rsp,%r9,2),%rsp andq $-1024,%rsp + subq %rsp,%r11 + andq $-4096,%r11 +.Lsqr4x_page_walk: + movq (%rsp,%r11,1),%r10 + subq $4096,%r11 +.byte 0x2e + jnc .Lsqr4x_page_walk + + movq %r9,%r10 + negq %r9 + leaq -48(%rax),%r11 + |
