summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorTorok Edwin <edwintorok@gmail.com>2009-01-25 17:58:56 +0000
committerTorok Edwin <edwintorok@gmail.com>2009-01-25 17:58:56 +0000
commita23c73bbdc7198f457c6d39b446b589dc5cab22b (patch)
treebf7caddc8a75283c4f82a3315b954dbbf8c83b49
parentf1d38be265f49b09bc3c9dec620aabd2ad3269a7 (diff)
downloadbcm5719-llvm-a23c73bbdc7198f457c6d39b446b589dc5cab22b.tar.gz
bcm5719-llvm-a23c73bbdc7198f457c6d39b446b589dc5cab22b.zip
If user explicitly asks not to use SSE, don't force it. This fixes LLVM part of PR3402.
llvm-svn: 62967
-rw-r--r--llvm/lib/Target/X86/X86Subtarget.cpp2
-rw-r--r--llvm/test/CodeGen/X86/2009-01-25-NoSSE.ll20
2 files changed, 20 insertions, 2 deletions
diff --git a/llvm/lib/Target/X86/X86Subtarget.cpp b/llvm/lib/Target/X86/X86Subtarget.cpp
index 5dc5103727d..99708e04cf9 100644
--- a/llvm/lib/Target/X86/X86Subtarget.cpp
+++ b/llvm/lib/Target/X86/X86Subtarget.cpp
@@ -331,8 +331,6 @@ X86Subtarget::X86Subtarget(const Module &M, const std::string &FS, bool is64Bit)
// 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
diff --git a/llvm/test/CodeGen/X86/2009-01-25-NoSSE.ll b/llvm/test/CodeGen/X86/2009-01-25-NoSSE.ll
new file mode 100644
index 00000000000..b12e4137dbd
--- /dev/null
+++ b/llvm/test/CodeGen/X86/2009-01-25-NoSSE.ll
@@ -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*)
+
OpenPOWER on IntegriCloud