From 8f42a19fb0793e1af465e9cf315524fa81396c76 Mon Sep 17 00:00:00 2001 From: Jakob Stoklund Olesen Date: Wed, 6 Oct 2010 23:56:46 +0000 Subject: [PATCH] Properly handle GR32_NOSP in X86RegisterInfo::getMatchingSuperRegClass. This function looks like it is about ready to be generated by TebleGen. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115876 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/X86/X86RegisterInfo.cpp | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/lib/Target/X86/X86RegisterInfo.cpp b/lib/Target/X86/X86RegisterInfo.cpp index 5d5dc6a9c7a..c043554b321 100644 --- a/lib/Target/X86/X86RegisterInfo.cpp +++ b/lib/Target/X86/X86RegisterInfo.cpp @@ -270,9 +270,14 @@ X86RegisterInfo::getMatchingSuperRegClass(const TargetRegisterClass *A, } break; case X86::sub_32bit: - if (B == &X86::GR32RegClass || B == &X86::GR32_NOSPRegClass) { + if (B == &X86::GR32RegClass) { if (A->getSize() == 8) return A; + } else if (B == &X86::GR32_NOSPRegClass) { + if (A == &X86::GR64RegClass || &X86::GR64_NOSPRegClass) + return &X86::GR64_NOSPRegClass; + if (A->getSize() == 8) + return getCommonSubClass(A, &X86::GR64_NOSPRegClass); } else if (B == &X86::GR32_ABCDRegClass) { if (A == &X86::GR64RegClass || A == &X86::GR64_ABCDRegClass || A == &X86::GR64_NOREXRegClass || -- 2.34.1