Comments (3)
Either that or the compiler will have to track the use of set_vstart()
. I'd love to drop set_vstart()
, though. 😀
from rvv-intrinsic-doc.
IMHO, intrinsic should not support setting vstart function.
RVV spec said that "The vstart CSR is writable by unprivileged code, but non-zero vstart values may cause vector instructions to run substantially slower on some implementations, so vstart should not be used by application programmers.
"
I believe intrinsic users are application programmers too. :P
from rvv-intrinsic-doc.
Looks like the discussion may have come a conclusion here. We suggest that advanced users that seeks to manipulate vstart
to directly use the assembly.
from rvv-intrinsic-doc.
Related Issues (20)
- Type-relative overloads for vreinterpret, vlmul_ext, vlmul_trunc, etc. HOT 1
- How to use a class to wrap or derive from a sizeless vector type HOT 1
- Encode all the effects of vsetvl in the return type, for use in subsequent type deductions HOT 1
- Does `__riscv_v_intrinsic >= 1000000` imply overloaded intrinsics are supported?
- Create bibliography from reference section HOT 3
- Simple questions about inline assembly in vmv.x.s instruction HOT 2
- Asterisks are not subscripts
- the wrong result of "vmerge_vvm_i32m1" HOT 5
- ta,ma reduction destination with vl=0 HOT 1
- Clarify the consequences of vxsat not being handled by the intrinsics HOT 3
- Add a section with examples HOT 3
- Rename uses of {implicit,explicit}-frm into {Implicit, Explicit} FP rounding mode HOT 1
- Clarify the mapping of pseudo-intrinsics
- Clarify what float and double means HOT 1
- Fix authors in the document
- How to use LMUL in rvv-intrinsic? HOT 6
- Mismatched bfloat16 autogenerated files HOT 3
- Freeze the specification HOT 1
- `vfirst` and `vcpop` return types unexpectedly changed HOT 1
- Renaming the VL arguments to AVL HOT 4
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from rvv-intrinsic-doc.