[SystemZ] Add support for IBM z14 processor (1/3)
This patch series adds support for the IBM z14 processor. This part includes:
- Basic support for the new processor and its features.
- Support for new instructions (except vector 32-bit float and 128-bit float).
- CodeGen for new instructions, including new LLVM intrinsics.
- Scheduler description for the new processor.
- Detection of z14 as host processor.
Support for the new 32-bit vector float and 128-bit vector float
instructions is provided by separate patches.
llvm-svn: 308194
diff --git a/llvm/test/CodeGen/SystemZ/fp-mul-10.ll b/llvm/test/CodeGen/SystemZ/fp-mul-10.ll
new file mode 100644
index 0000000..977e5c6
--- /dev/null
+++ b/llvm/test/CodeGen/SystemZ/fp-mul-10.ll
@@ -0,0 +1,23 @@
+; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z14 | FileCheck %s
+
+declare double @llvm.fma.f64(double %f1, double %f2, double %f3)
+
+define double @f1(double %f1, double %f2, double %acc) {
+; CHECK-LABEL: f1:
+; CHECK: wfnmadb %f0, %f0, %f2, %f4
+; CHECK: br %r14
+ %res = call double @llvm.fma.f64 (double %f1, double %f2, double %acc)
+ %negres = fsub double -0.0, %res
+ ret double %negres
+}
+
+define double @f2(double %f1, double %f2, double %acc) {
+; CHECK-LABEL: f2:
+; CHECK: wfnmsdb %f0, %f0, %f2, %f4
+; CHECK: br %r14
+ %negacc = fsub double -0.0, %acc
+ %res = call double @llvm.fma.f64 (double %f1, double %f2, double %negacc)
+ %negres = fsub double -0.0, %res
+ ret double %negres
+}
+