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authorChris Lattner <sabre@nondot.org>2006-04-02 03:59:11 +0000
committerChris Lattner <sabre@nondot.org>2006-04-02 03:59:11 +0000
commitc55bfd0265214f18ddd6bf4515bcf2c5a3973f00 (patch)
tree0379555861c5de7e95a3ca06150205e7bc7a4da4
parentbc70cf8be95f33f9aa30c8c3d0fd79e3fa636360 (diff)
add a note
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27348 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/PowerPC/README_ALTIVEC.txt11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/README_ALTIVEC.txt b/lib/Target/PowerPC/README_ALTIVEC.txt
index 824dc6cafc..881ba020f4 100644
--- a/lib/Target/PowerPC/README_ALTIVEC.txt
+++ b/lib/Target/PowerPC/README_ALTIVEC.txt
@@ -137,3 +137,14 @@ Instcombine llvm.ppc.altivec.vperm with an immediate into a shuffle operation.
Handle VECTOR_SHUFFLE nodes with the appropriate shuffle mask with vsldoi,
vpkuhum and vpkuwum.
+
+//===----------------------------------------------------------------------===//
+
+Implement multiply for vector integer types, to avoid the horrible scalarized
+code produced by legalize.
+
+void test(vector int *X, vector int *Y) {
+ *X = *X * *Y;
+}
+
+//===----------------------------------------------------------------------===//