[llvm] r182222 - Add floating point selects on %xcc predicates.

Jakob Stoklund Olesen stoklund at 2pi.dk
Sun May 19 13:33:11 PDT 2013


Author: stoklund
Date: Sun May 19 15:33:11 2013
New Revision: 182222

URL: http://llvm.org/viewvc/llvm-project?rev=182222&view=rev
Log:
Add floating point selects on %xcc predicates.

Modified:
    llvm/trunk/lib/Target/Sparc/SparcInstr64Bit.td
    llvm/trunk/test/CodeGen/SPARC/64cond.ll

Modified: llvm/trunk/lib/Target/Sparc/SparcInstr64Bit.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/Sparc/SparcInstr64Bit.td?rev=182222&r1=182221&r2=182222&view=diff
==============================================================================
--- llvm/trunk/lib/Target/Sparc/SparcInstr64Bit.td (original)
+++ llvm/trunk/lib/Target/Sparc/SparcInstr64Bit.td Sun May 19 15:33:11 2013
@@ -323,6 +323,16 @@ def MOVXCCri : Pseudo<(outs IntRegs:$rd)
                       "mov$cond %xcc, $i, $rd",
                       [(set i32:$rd,
                        (SPselectxcc simm11:$i, i32:$f, imm:$cond))]>;
+def FMOVS_XCC : Pseudo<(outs FPRegs:$rd),
+                      (ins FPRegs:$rs2, FPRegs:$f, CCOp:$cond),
+                      "fmovs$cond %xcc, $rs2, $rd",
+                      [(set f32:$rd,
+                       (SPselectxcc f32:$rs2, f32:$f, imm:$cond))]>;
+def FMOVD_XCC : Pseudo<(outs DFPRegs:$rd),
+                      (ins DFPRegs:$rs2, DFPRegs:$f, CCOp:$cond),
+                      "fmovd$cond %xcc, $rs2, $rd",
+                      [(set f64:$rd,
+                       (SPselectxcc f64:$rs2, f64:$f, imm:$cond))]>;
 } // Uses, Constraints
 
 def : Pat<(SPselectxcc i64:$t, i64:$f, imm:$cond),

Modified: llvm/trunk/test/CodeGen/SPARC/64cond.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/CodeGen/SPARC/64cond.ll?rev=182222&r1=182221&r2=182222&view=diff
==============================================================================
--- llvm/trunk/test/CodeGen/SPARC/64cond.ll (original)
+++ llvm/trunk/test/CodeGen/SPARC/64cond.ll Sun May 19 15:33:11 2013
@@ -65,3 +65,25 @@ entry:
   %rv = select i1 %tobool, i64 %a, i64 %b
   ret i64 %rv
 }
+
+; CHECK: selectf32_xcc
+; CHECK: subcc %i0, %i1
+; CHECK: fmovsg %xcc, %f5, %f7
+; CHECK: fmovs %f7, %f1
+define float @selectf32_xcc(i64 %x, i64 %y, float %a, float %b) {
+entry:
+  %tobool = icmp sgt i64 %x, %y
+  %rv = select i1 %tobool, float %a, float %b
+  ret float %rv
+}
+
+; CHECK: selectf64_xcc
+; CHECK: subcc %i0, %i1
+; CHECK: fmovdg %xcc, %f4, %f6
+; CHECK: fmovd %f6, %f0
+define double @selectf64_xcc(i64 %x, i64 %y, double %a, double %b) {
+entry:
+  %tobool = icmp sgt i64 %x, %y
+  %rv = select i1 %tobool, double %a, double %b
+  ret double %rv
+}





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