4 commits

Author	SHA1	Message	Date
Ralf Jung	f755f4cd1a	add rustc_abi to control ABI decisions LLVM does not have flags for, and use it for x86 softfloat	2025-02-03 16:56:51 +01:00
Ralf Jung	2bf27e09be	explicitly model that certain ABIs require/forbid certain target features	2024-12-31 12:41:20 +01:00
Ralf Jung	d6ddc73dae	forbid toggling x87 and fpregs on hard-float targets	2024-12-11 22:18:50 +01:00
Ralf Jung	ffad9aac27	mark some target features as 'forbidden' so they cannot be (un)set ... For now, this is just a warning, but should become a hard error in the future	2024-11-04 22:56:47 +01:00