On 3/31/25 1:05 PM, Alexandre Oliva wrote:
[testsuite] [riscv] limit vwaddsub-1.c to rv64
The desired vw{add,sub}.wx instructions don't come up on rv32 for the
first two functions, we get v{add,sub}.vx instead.
I suppose this is an oversight, and something about the test is meant
for rv64 only, but the fact that the instruction is spelled out in the
intrinsic name and a different instruction is generated suggests
something may be wrong after all.
I could use a pointer to specs for these intrinsics and instructions to
tell for sure, but a closer look from someone more familiar with them
would definitely be welcome.
Tested on x86_64-linux-gnu native, and gcc-14 target riscv{64,32}-elf.
Ok to install?
for gcc/testsuite/ChangeLog
* gcc.target/riscv/rvv/base/vwaddsub-1.c: Require rv64.
I don't immediately see anything in this test or its history to indicate
it's only supposed to work for rv64. So it'd be better dig a bit
further into this one.
jeff
