Fix clobber_abi in RV32E and RV64E inline assembly

This commit is contained in:
Taiki Endo 2024-11-25 00:36:22 +09:00
parent ab3cf268b5
commit 736c397f41
5 changed files with 95 additions and 6 deletions

View file

@ -472,9 +472,14 @@ impl<'tcx> InlineAssemblyGenerator<'_, 'tcx> {
let mut new_slot = |x| new_slot_fn(&mut slot_size, x);
// Allocate stack slots for saving clobbered registers
let abi_clobber = InlineAsmClobberAbi::parse(self.arch, &self.tcx.sess.target, sym::C)
.unwrap()
.clobbered_regs();
let abi_clobber = InlineAsmClobberAbi::parse(
self.arch,
&self.tcx.sess.target,
&self.tcx.sess.unstable_target_features,
sym::C,
)
.unwrap()
.clobbered_regs();
for (i, reg) in self.registers.iter().enumerate().filter_map(|(i, r)| r.map(|r| (i, r))) {
let mut need_save = true;
// If the register overlaps with a register clobbered by function call, then