Author: Craig Topper Date: 2023-11-22T18:59:41-08:00 New Revision: e99ee06400404d3058e6f379465b9ac50aedb74c
URL: https://github.com/llvm/llvm-project/commit/e99ee06400404d3058e6f379465b9ac50aedb74c DIFF: https://github.com/llvm/llvm-project/commit/e99ee06400404d3058e6f379465b9ac50aedb74c.diff LOG: [X86] Reject fpsr in inline asm constraints other than clobber. Fixes #73197 and #69201. Added: Modified: llvm/lib/Target/X86/X86ISelLowering.cpp Removed: ################################################################################ diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 05a2ab093bb86f9..99866c811eb6faf 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -57236,7 +57236,8 @@ X86TargetLowering::getRegForInlineAsmConstraint(const TargetRegisterInfo *TRI, return std::make_pair(X86::DF, &X86::DFCCRRegClass); // fpsr -> FPSW - if (StringRef("{fpsr}").equals_insensitive(Constraint)) + // Only allow for clobber. + if (StringRef("{fpsr}").equals_insensitive(Constraint) && VT == MVT::Other) return std::make_pair(X86::FPSW, &X86::FPCCRRegClass); return Res; _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
