diff options
Diffstat (limited to 'crypto/perlasm/x86unix.pl')
| -rw-r--r-- | crypto/perlasm/x86unix.pl | 42 |
1 files changed, 3 insertions, 39 deletions
diff --git a/crypto/perlasm/x86unix.pl b/crypto/perlasm/x86unix.pl index e71050b..a4c9471 100644 --- a/crypto/perlasm/x86unix.pl +++ b/crypto/perlasm/x86unix.pl @@ -171,6 +171,7 @@ sub main'exch { &out2($_[0]=~/%[a-d][lh]/?"xchgb":"xchgl",@_); } sub main'cmp { &out2("cmpl",@_); } sub main'lea { &out2("leal",@_); } sub main'mul { &out1("mull",@_); } +sub main'imul { &out2("imull",@_); } sub main'div { &out1("divl",@_); } sub main'jmp { &out1("jmp",@_); } sub main'jmp_ptr { &out1p("jmp",@_); } @@ -541,50 +542,13 @@ sub main'set_label sub main'file_end { # try to detect if SSE2 or MMX extensions were used on ELF platform... - if ($main'elf && grep {/%[x]*mm[0-7]/i} @out) { + if ($main'elf && grep {/\b%[x]*mm[0-7]\b|OPENSSL_ia32cap_P\b/i} @out) { local($tmp); push (@out,"\n.section\t.bss\n"); push (@out,".comm\t${under}OPENSSL_ia32cap_P,4,4\n"); - push (@out,".section\t.init\n"); - # One can argue that it's wasteful to craft every - # SSE/MMX module with this snippet... Well, it's 72 - # bytes long and for the moment we have two modules. - # Let's argue when we have 7 modules or so... - # - # $1<<10 sets a reserved bit to signal that variable - # was initialized already... - &main'picmeup("edx","OPENSSL_ia32cap_P"); - $tmp=<<___; - cmpl \$0,(%edx) - jne 1f - movl \$1<<10,(%edx) - pushf - popl %eax - movl %eax,%ecx - xorl \$1<<21,%eax - pushl %eax - popf - pushf - popl %eax - xorl %ecx,%eax - btl \$21,%eax - jnc 1f - pushl %edi - pushl %ebx - movl %edx,%edi - movl \$1,%eax - .byte 0x0f,0xa2 - orl \$1<<10,%edx - movl %edx,0(%edi) - popl %ebx - popl %edi - jmp 1f - .align $align - 1: -___ - push (@out,$tmp); + return; } if ($const ne "") |
