| Issue |
134730
|
| Summary |
[RISC-V] clang++ 20 fails to compile highway
|
| Labels |
clang
|
| Assignees |
|
| Reporter |
andreas-schwab
|
https://github.com/google/highway
$ clang++ -c -stdlib=libc++ -I. hwy/per_target.cc
In file included from hwy/per_target.cc:28:
In file included from ./hwy/highway.h:629:
./hwy/ops/rvv-inl.h:644:17: error: use of undeclared identifier '__riscv_vsetvlmax_e8mf8'
644 | HWY_RVV_FOREACH(HWY_RVV_LANES, Lanes, setvlmax_e, _ALL)
| ^
./hwy/ops/rvv-inl.h:644:17: error: use of undeclared identifier '__riscv_vsetvl_e8mf8'
./hwy/ops/rvv-inl.h:644:17: error: use of undeclared identifier '__riscv_vsetvl_e8mf8'
./hwy/ops/rvv-inl.h:644:17: error: use of undeclared identifier '__riscv_vsetvlmax_e16mf4'
./hwy/ops/rvv-inl.h:644:17: error: use of undeclared identifier '__riscv_vsetvl_e16mf4'
./hwy/ops/rvv-inl.h:644:17: error: use of undeclared identifier '__riscv_vsetvl_e16mf4'
./hwy/ops/rvv-inl.h:644:17: error: use of undeclared identifier '__riscv_vsetvlmax_e32mf2'
./hwy/ops/rvv-inl.h:644:17: error: use of undeclared identifier '__riscv_vsetvl_e32mf2'
./hwy/ops/rvv-inl.h:644:17: error: use of undeclared identifier '__riscv_vsetvl_e32mf2'
./hwy/ops/rvv-inl.h:644:17: error: use of undeclared identifier '__riscv_vsetvlmax_e64m1'
./hwy/ops/rvv-inl.h:644:17: error: use of undeclared identifier '__riscv_vsetvl_e64m1'
./hwy/ops/rvv-inl.h:644:17: error: use of undeclared identifier '__riscv_vsetvl_e64m1'
./hwy/ops/rvv-inl.h:644:17: error: use of undeclared identifier '__riscv_vsetvlmax_e64m2'
./hwy/ops/rvv-inl.h:644:17: error: use of undeclared identifier '__riscv_vsetvl_e64m2'
./hwy/ops/rvv-inl.h:644:17: error: use of undeclared identifier '__riscv_vsetvl_e64m2'
./hwy/ops/rvv-inl.h:644:17: error: use of undeclared identifier '__riscv_vsetvlmax_e64m4'
./hwy/ops/rvv-inl.h:644:17: error: use of undeclared identifier '__riscv_vsetvl_e64m4'
./hwy/ops/rvv-inl.h:644:17: error: use of undeclared identifier '__riscv_vsetvl_e64m4'
./hwy/ops/rvv-inl.h:644:17: error: use of undeclared identifier '__riscv_vsetvlmax_e64m8'
fatal error: too many errors emitted, stopping now [-ferror-limit=]
20 errors generated.
This is s regression from clang++ 19
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