[llvm] [X86][ConstraintFP] Model rounding control registers for inline asm (PR #92846)
Matt Arsenault via llvm-commits
llvm-commits at lists.llvm.org
Mon May 20 22:37:49 PDT 2024
================
@@ -1412,6 +1412,13 @@ EmitSpecialNode(SDNode *Node, bool IsClone, bool IsCloned,
}
}
+ // Add rounding control registers as implicit def for inline asm.
+ if (MF->getFunction().hasFnAttribute(Attribute::StrictFP)) {
+ ArrayRef<MCPhysReg> RCRegs = TLI->getRoundingControlRegisters(AsmStr);
+ for (MCPhysReg Reg : RCRegs)
+ MIB.addReg(Reg, RegState::ImplicitDefine);
+ }
----------------
arsenm wrote:
This is also missing an implicit use for any use instructions?
https://github.com/llvm/llvm-project/pull/92846
More information about the llvm-commits
mailing list