1 #if defined(__x86_64__) 2 .text 3 4 .globl _OPENSSL_ia32_cpuid 5 .private_extern _OPENSSL_ia32_cpuid 6 7 .p2align 4 8 _OPENSSL_ia32_cpuid: 9 10 11 movq %rdi,%rdi 12 movq %rbx,%r8 13 14 xorl %eax,%eax 15 movl %eax,8(%rdi) 16 cpuid 17 movl %eax,%r11d 18 19 xorl %eax,%eax 20 cmpl $1970169159,%ebx 21 setne %al 22 movl %eax,%r9d 23 cmpl $1231384169,%edx 24 setne %al 25 orl %eax,%r9d 26 cmpl $1818588270,%ecx 27 setne %al 28 orl %eax,%r9d 29 jz L$intel 30 31 cmpl $1752462657,%ebx 32 setne %al 33 movl %eax,%r10d 34 cmpl $1769238117,%edx 35 setne %al 36 orl %eax,%r10d 37 cmpl $1145913699,%ecx 38 setne %al 39 orl %eax,%r10d 40 jnz L$intel 41 42 43 44 45 movl $2147483648,%eax 46 cpuid 47 48 49 cmpl $2147483649,%eax 50 jb L$intel 51 movl %eax,%r10d 52 movl $2147483649,%eax 53 cpuid 54 55 56 orl %ecx,%r9d 57 andl $2049,%r9d 58 59 cmpl $2147483656,%r10d 60 jb L$intel 61 62 movl $2147483656,%eax 63 cpuid 64 65 movzbq %cl,%r10 66 incq %r10 67 68 movl $1,%eax 69 cpuid 70 71 btl $28,%edx 72 jnc L$generic 73 shrl $16,%ebx 74 cmpb %r10b,%bl 75 ja L$generic 76 andl $4026531839,%edx 77 jmp L$generic 78 79 L$intel: 80 cmpl $4,%r11d 81 movl $-1,%r10d 82 jb L$nocacheinfo 83 84 movl $4,%eax 85 movl $0,%ecx 86 cpuid 87 movl %eax,%r10d 88 shrl $14,%r10d 89 andl $4095,%r10d 90 91 cmpl $7,%r11d 92 jb L$nocacheinfo 93 94 movl $7,%eax 95 xorl %ecx,%ecx 96 cpuid 97 movl %ebx,8(%rdi) 98 99 L$nocacheinfo: 100 movl $1,%eax 101 cpuid 102 103 andl $3220176895,%edx 104 cmpl $0,%r9d 105 jne L$notintel 106 orl $1073741824,%edx 107 andb $15,%ah 108 cmpb $15,%ah 109 jne L$notintel 110 orl $1048576,%edx 111 L$notintel: 112 btl $28,%edx 113 jnc L$generic 114 andl $4026531839,%edx 115 cmpl $0,%r10d 116 je L$generic 117 118 orl $268435456,%edx 119 shrl $16,%ebx 120 cmpb $1,%bl 121 ja L$generic 122 andl $4026531839,%edx 123 L$generic: 124 andl $2048,%r9d 125 andl $4294965247,%ecx 126 orl %ecx,%r9d 127 128 movl %edx,%r10d 129 btl $27,%r9d 130 jnc L$clear_avx 131 xorl %ecx,%ecx 132 .byte 0x0f,0x01,0xd0 133 andl $6,%eax 134 cmpl $6,%eax 135 je L$done 136 L$clear_avx: 137 movl $4026525695,%eax 138 andl %eax,%r9d 139 andl $4294967263,8(%rdi) 140 L$done: 141 movl %r9d,4(%rdi) 142 movl %r10d,0(%rdi) 143 movq %r8,%rbx 144 .byte 0xf3,0xc3 145 146 147 #endif 148
