8236944: The legVecZ operand should be limited to zmm0-zmm15 registers

Associate legVecZ operand with vectorz_reg_legacy register class Reviewed-by: vlivanov, thartmann
2020-01-13 08:27:38 -08:00 · 2020-01-13 08:27:38 -08:00 · 0b5f4f77e4
commit 0b5f4f77e4
parent 44f7fe57a8
1 changed files with 1 additions and 1 deletions
--- a/src/hotspot/cpu/x86/x86.ad
+++ b/src/hotspot/cpu/x86/x86.ad
@ -2143,7 +2143,7 @@ operand vecZ() %{

 // Replaces legVec during post-selection cleanup. See above.
 operand legVecZ() %{
-  constraint(ALLOC_IN_RC(vectorz_reg_vl));
+  constraint(ALLOC_IN_RC(vectorz_reg_legacy));
  match(VecZ);

  format %{ %}