From 2805bce6562ac677d358d3698f82929c83513331 Mon Sep 17 00:00:00 2001 From: Chris Lattner Date: Thu, 12 Apr 2007 04:14:49 +0000 Subject: [PATCH] Fix mmx paddq, add support for the 'y' register class, though it isn't tested. llvm-svn: 35940 --- llvm/lib/Target/X86/X86ISelLowering.cpp | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp index 0f97c24c369f..dbdc13207f59 100644 --- a/llvm/lib/Target/X86/X86ISelLowering.cpp +++ b/llvm/lib/Target/X86/X86ISelLowering.cpp @@ -321,6 +321,7 @@ X86TargetLowering::X86TargetLowering(TargetMachine &TM) setOperationAction(ISD::ADD, MVT::v8i8, Legal); setOperationAction(ISD::ADD, MVT::v4i16, Legal); setOperationAction(ISD::ADD, MVT::v2i32, Legal); + setOperationAction(ISD::ADD, MVT::v1i64, Legal); setOperationAction(ISD::SUB, MVT::v8i8, Legal); setOperationAction(ISD::SUB, MVT::v4i16, Legal); @@ -4636,7 +4637,10 @@ X86TargetLowering::getRegForInlineAsmConstraint(const std::string &Constraint, else if (VT == MVT::i8) return std::make_pair(0U, X86::GR8RegisterClass); break; - // FIXME: not handling MMX registers yet ('y' constraint). + case 'y': // MMX_REGS if MMX allowed. + if (!Subtarget->hasMMX()) break; + return std::make_pair(0U, X86::VR64RegisterClass); + break; case 'Y': // SSE_REGS if SSE2 allowed if (!Subtarget->hasSSE2()) break; // FALL THROUGH.