Some dummy cost model for s390x:

 - Prefer short-imm instructions over ext-imm, when possible
 - Prefer Z10 instructions over Z9, when possible

This hopefully should fix some dejagnu test fails on solaris

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79741 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 3 deletions

diff --git a/lib/Target/SystemZ/SystemZInstrFormats.td b/lib/Target/SystemZ/SystemZInstrFormats.td
index 81f704f977..b4a8993c19 100644
--- a/lib/Target/SystemZ/SystemZInstrFormats.td
+++ b/lib/Target/SystemZ/SystemZInstrFormats.td
@@ -94,19 +94,25 @@ class RREI<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern>
   : I16<op, RREForm, outs, ins, asmstr, pattern>;
 
 class RXI<bits<8> op, dag outs, dag ins, string asmstr, list<dag> pattern>
-  : I8<op, RXForm, outs, ins, asmstr, pattern>;
+  : I8<op, RXForm, outs, ins, asmstr, pattern> {
+  let AddedComplexity = 1;
+}
 
 class RXYI<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern>
   : I16<op, RXYForm, outs, ins, asmstr, pattern>;
 
 class RSI<bits<8> op, dag outs, dag ins, string asmstr, list<dag> pattern>
-  : I8<op, RSForm, outs, ins, asmstr, pattern>;
+  : I8<op, RSForm, outs, ins, asmstr, pattern> {
+  let AddedComplexity = 1;
+}
 
 class RSYI<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern>
   : I16<op, RSYForm, outs, ins, asmstr, pattern>;
 
 class SII<bits<8> op, dag outs, dag ins, string asmstr, list<dag> pattern>
-  : I8<op, SIForm, outs, ins, asmstr, pattern>;
+  : I8<op, SIForm, outs, ins, asmstr, pattern> {
+  let AddedComplexity = 1;
+}
 
 class SIYI<bits<16> op, dag outs, dag ins, string asmstr, list<dag> pattern>
   : I16<op, SIYForm, outs, ins, asmstr, pattern>;