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60 lines
1.0 KiB
60 lines
1.0 KiB
/*
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* Copyright 2002-2019 Intel Corporation.
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*
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* This software is provided to you as Sample Source Code as defined in the accompanying
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* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
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* section 1.L.
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*
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* This software and the related documents are provided as is, with no express or implied
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* warranties, other than those that are expressly stated in the License.
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*/
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.text
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.align 4
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#ifdef TARGET_MAC
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.globl _ProcessorSupportsAvx;
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_ProcessorSupportsAvx:
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#else
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.globl ProcessorSupportsAvx;
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ProcessorSupportsAvx:
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#endif
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push %rbp
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mov %rsp, %rbp
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push %rax
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push %rbx
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push %rcx
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push %rdx
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push %rsi
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mov $1, %rax
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cpuid
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and $0x018000000, %ecx
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cmp $0x018000000, %ecx
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jne .lNOT_SUPPORTED
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mov $0, %ecx
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# command name
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.byte 0x0F, 0x01, 0xD0
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and $6, %eax
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cmp $6, %eax
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jne .lNOT_SUPPORTED
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mov $1, %rax
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jmp .lDONE3
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.lNOT_SUPPORTED:
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mov $0, %rax
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.lDONE3:
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pop %rsi
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pop %rdx
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pop %rcx
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pop %rbx
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mov %rbp, %rsp
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pop %rbp
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ret
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