diff options
Diffstat (limited to 'main/openssl/crypto/x86cpuid.S')
| -rw-r--r-- | main/openssl/crypto/x86cpuid.S | 46 |
1 files changed, 29 insertions, 17 deletions
diff --git a/main/openssl/crypto/x86cpuid.S b/main/openssl/crypto/x86cpuid.S index 73b5d98e..87a46d4b 100644 --- a/main/openssl/crypto/x86cpuid.S +++ b/main/openssl/crypto/x86cpuid.S @@ -226,6 +226,18 @@ OPENSSL_wipe_cpu: movl (%ecx),%ecx btl $1,(%ecx) jnc .L015no_x87 + andl $83886080,%ecx + cmpl $83886080,%ecx + jne .L016no_sse2 + pxor %xmm0,%xmm0 + pxor %xmm1,%xmm1 + pxor %xmm2,%xmm2 + pxor %xmm3,%xmm3 + pxor %xmm4,%xmm4 + pxor %xmm5,%xmm5 + pxor %xmm6,%xmm6 + pxor %xmm7,%xmm7 +.L016no_sse2: .long 4007259865,4007259865,4007259865,4007259865,2430851995 .L015no_x87: leal 4(%esp),%eax @@ -241,11 +253,11 @@ OPENSSL_atomic_add: pushl %ebx nop movl (%edx),%eax -.L016spin: +.L017spin: leal (%eax,%ecx,1),%ebx nop .long 447811568 - jne .L016spin + jne .L017spin movl %ebx,%eax popl %ebx ret @@ -286,32 +298,32 @@ OPENSSL_cleanse: movl 8(%esp),%ecx xorl %eax,%eax cmpl $7,%ecx - jae .L017lot + jae .L018lot cmpl $0,%ecx - je .L018ret -.L019little: + je .L019ret +.L020little: movb %al,(%edx) subl $1,%ecx leal 1(%edx),%edx - jnz .L019little -.L018ret: + jnz .L020little +.L019ret: ret .align 16 -.L017lot: +.L018lot: testl $3,%edx - jz .L020aligned + jz .L021aligned movb %al,(%edx) leal -1(%ecx),%ecx leal 1(%edx),%edx - jmp .L017lot -.L020aligned: + jmp .L018lot +.L021aligned: movl %eax,(%edx) leal -4(%ecx),%ecx testl $-4,%ecx leal 4(%edx),%edx - jnz .L020aligned + jnz .L021aligned cmpl $0,%ecx - jne .L019little + jne .L020little ret .size OPENSSL_cleanse,.-.L_OPENSSL_cleanse_begin .globl OPENSSL_ia32_rdrand @@ -320,11 +332,11 @@ OPENSSL_cleanse: OPENSSL_ia32_rdrand: .L_OPENSSL_ia32_rdrand_begin: movl $8,%ecx -.L021loop: +.L022loop: .byte 15,199,240 - jc .L022break - loop .L021loop -.L022break: + jc .L023break + loop .L022loop +.L023break: cmpl $0,%eax cmovel %ecx,%eax ret |