[llvm-commits] [llvm] r62967 - in /llvm/trunk: lib/Target/X86/X86Subtarget.cpp test/CodeGen/X86/2009-01-25-NoSSE.ll

[Torok Edwin]

Author: edwin
Date: Sun Jan 25 11:58:56 2009
New Revision: 62967

URL: http://llvm.org/viewvc/llvm-project?rev=62967&view=rev
Log:
If user explicitly asks not to use SSE, don't force it. This fixes LLVM part of PR3402.

Added:
    llvm/trunk/test/CodeGen/X86/2009-01-25-NoSSE.ll
Modified:
    llvm/trunk/lib/Target/X86/X86Subtarget.cpp

Modified: llvm/trunk/lib/Target/X86/X86Subtarget.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86Subtarget.cpp?rev=62967&r1=62966&r2=62967&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86Subtarget.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86Subtarget.cpp Sun Jan 25 11:58:56 2009
@@ -331,8 +331,6 @@
   // are enabled.  These are available on all x86-64 CPUs.
   if (Is64Bit) {
     HasX86_64 = true;
-    if (X86SSELevel < SSE2)
-      X86SSELevel = SSE2;
   }
   DOUT << "Subtarget features: SSELevel " << X86SSELevel
        << ", 3DNowLevel " << X863DNowLevel

Added: llvm/trunk/test/CodeGen/X86/2009-01-25-NoSSE.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/X86/2009-01-25-NoSSE.ll?rev=62967&view=auto

==============================================================================
--- llvm/trunk/test/CodeGen/X86/2009-01-25-NoSSE.ll (added)
+++ llvm/trunk/test/CodeGen/X86/2009-01-25-NoSSE.ll Sun Jan 25 11:58:56 2009
@@ -0,0 +1,20 @@
+; RUN: llvm-as < %s | llc -march=x86-64 -mattr=-sse,-sse2 | not grep xmm
+; PR3402
+target datalayout =
+"e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128"
+target triple = "x86_64-unknown-linux-gnu"
+        %struct.ktermios = type { i32, i32, i32, i32, i8, [19 x i8], i32, i32 }
+
+define void @foo() nounwind {
+entry:
+        %termios = alloca %struct.ktermios, align 8
+        %termios1 = bitcast %struct.ktermios* %termios to i8*
+        call void @llvm.memset.i64(i8* %termios1, i8 0, i64 44, i32 8)
+        call void @bar(%struct.ktermios* %termios) nounwind
+        ret void
+}
+
+declare void @llvm.memset.i64(i8* nocapture, i8, i64, i32) nounwind
+
+declare void @bar(%struct.ktermios*)
+