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November 20, 2024 01:12
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Supported_amd64.s
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| // +build amd64 | |
| // func Supported() bool | |
| TEXT ·Supported(SB), 4, $0 | |
| MOVQ $1, AX | |
| CPUID | |
| TESTQ $(1<<26), CX | |
| JZ avxFalse | |
| TESTQ $(1<<28), CX | |
| JZ avxFalse | |
| MOVQ $0, CX | |
| XGETBV | |
| TESTQ $(1<<1), AX | |
| JZ avxFalse | |
| TESTQ $(1<<2), AX | |
| JZ avxFalse | |
| MOVB $1, bool+0(FP) | |
| RET | |
| avxFalse: | |
| MOVB $0, bool+0(FP) | |
| RET |
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