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fix RVV 1.0 detection code #5432

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Merged
martin-frbg merged 1 commit into from
Sep 5, 2025
Merged

fix RVV 1.0 detection code #5432

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4 changes: 2 additions & 2 deletions driver/others/detect_riscv64.c
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Original file line number Diff line number Diff line change
Expand Up @@ -63,12 +63,12 @@ uint64_t detect_riscv64_rvv100(void)
* RVV 1.0 and we return 0.
*/

asm volatile("vsetvli x0, x0, e8, m1, ta, ma\n\t"
asm volatile("vsetvli t0, x0, e8, m1, ta, ma\n\t"
"csrr %0, vtype\n\t"
"slt %0, x0, %0\n"
: "=r" (rvv10_supported)
:
:);
:"t0", "vtype");

return rvv10_supported;
}
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