8311923: TestIRMatching.java fails on RISC-V

Reviewed-by: phh, fyang
Backport-of: e7adbdb1f1506b82392907f7e4a5c8882d3198eb

Author: zifeihan

src/hotspot/cpu/riscv/riscv.ad

@@ -2056,7 +2056,7 @@ bool Matcher::pd_clone_address_expressions(AddPNode* m, Matcher::MStack& mstack,
 encode %{
   // BEGIN Non-volatile memory access
 
-  enc_class riscv_enc_li_imm(iRegIorL dst, immIorL src) %{
+  enc_class riscv_enc_mov_imm(iRegIorL dst, immIorL src) %{
     C2_MacroAssembler _masm(&cbuf);
     int64_t con = (int64_t)$src$$constant;
     Register dst_reg = as_Register($dst$$reg);
@@ -4672,9 +4672,9 @@ instruct loadConI(iRegINoSp dst, immI src)
   match(Set dst src);
 
   ins_cost(ALU_COST);
-  format %{ "li $dst, $src\t# int, #@loadConI" %}
+  format %{ "mv $dst, $src\t# int, #@loadConI" %}
 
-  ins_encode(riscv_enc_li_imm(dst, src));
+  ins_encode(riscv_enc_mov_imm(dst, src));
 
   ins_pipe(ialu_imm);
 %}
@@ -4685,9 +4685,9 @@ instruct loadConL(iRegLNoSp dst, immL src)
   match(Set dst src);
 
   ins_cost(ALU_COST);
-  format %{ "li $dst, $src\t# long, #@loadConL" %}
+  format %{ "mv $dst, $src\t# long, #@loadConL" %}
 
-  ins_encode(riscv_enc_li_imm(dst, src));
+  ins_encode(riscv_enc_mov_imm(dst, src));
 
   ins_pipe(ialu_imm);
 %}

test/hotspot/jtreg/compiler/lib/ir_framework/IRNode.java

@@ -53,13 +53,13 @@ public class IRNode {
     private static final String STORE_OF_CLASS_POSTFIX = "(:|\\+)\\S* \\*" + END;
     private static final String LOAD_OF_CLASS_POSTFIX = "(:|\\+)\\S* \\*" + END;
 
-    public static final String ALLOC = "(.*precise klass .*\\R((.*(?i:mov|xorl|nop|spill).*|\\s*|.*LGHI.*)\\R)*.*(?i:call,static).*wrapper for: _new_instance_Java" + END;
-    public static final String ALLOC_OF = COMPOSITE_PREFIX + "(.*precise klass .*" + IS_REPLACED + ":.*\\R((.*(?i:mov|xorl|nop|spill).*|\\s*|.*LGHI.*)\\R)*.*(?i:call,static).*wrapper for: _new_instance_Java" + END;
-    public static final String ALLOC_ARRAY = "(.*precise klass \\[L.*\\R((.*(?i:mov|xor|nop|spill).*|\\s*|.*LGHI.*)\\R)*.*(?i:call,static).*wrapper for: _new_array_Java" + END;
-    public static final String ALLOC_ARRAY_OF = COMPOSITE_PREFIX + "(.*precise klass \\[L.*" + IS_REPLACED + ";:.*\\R((.*(?i:mov|xorl|nop|spill).*|\\s*|.*LGHI.*)\\R)*.*(?i:call,static).*wrapper for: _new_array_Java" + END;
+    public static final String ALLOC = "(.*precise klass .*\\R((.*(?i:mov|mv|xorl|nop|spill).*|\\s*|.*LGHI.*)\\R)*.*(?i:call,static).*wrapper for: _new_instance_Java" + END;
+    public static final String ALLOC_OF = COMPOSITE_PREFIX + "(.*precise klass .*" + IS_REPLACED + ":.*\\R((.*(?i:mov|mv|xorl|nop|spill).*|\\s*|.*LGHI.*)\\R)*.*(?i:call,static).*wrapper for: _new_instance_Java" + END;
+    public static final String ALLOC_ARRAY = "(.*precise klass \\[L.*\\R((.*(?i:mov|mv|xor|nop|spill).*|\\s*|.*LGHI.*)\\R)*.*(?i:call,static).*wrapper for: _new_array_Java" + END;
+    public static final String ALLOC_ARRAY_OF = COMPOSITE_PREFIX + "(.*precise klass \\[L.*" + IS_REPLACED + ";:.*\\R((.*(?i:mov|mv|xorl|nop|spill).*|\\s*|.*LGHI.*)\\R)*.*(?i:call,static).*wrapper for: _new_array_Java" + END;
 
-    public static final String CHECKCAST_ARRAY = "(((?i:cmp|CLFI|CLR).*precise klass \\[.*;:|.*(?i:mov|or).*precise klass \\[.*;:.*\\R.*(cmp|CMP|CLR))" + END;
-    public static final String CHECKCAST_ARRAY_OF = COMPOSITE_PREFIX + "(((?i:cmp|CLFI|CLR).*precise klass \\[.*" + IS_REPLACED + ";:|.*(?i:mov|or).*precise klass \\[.*" + IS_REPLACED + ";:.*\\R.*(cmp|CMP|CLR))" + END;
+    public static final String CHECKCAST_ARRAY = "(((?i:cmp|CLFI|CLR).*precise klass \\[.*;:|.*(?i:mov|mv|or).*precise klass \\[.*;:.*\\R.*(cmp|CMP|CLR))" + END;
+    public static final String CHECKCAST_ARRAY_OF = COMPOSITE_PREFIX + "(((?i:cmp|CLFI|CLR).*precise klass \\[.*" + IS_REPLACED + ";:|.*(?i:mov|mv|or).*precise klass \\[.*" + IS_REPLACED + ";:.*\\R.*(cmp|CMP|CLR))" + END;
     // Does not work on s390 (a rule containing this regex will be skipped on s390).
     public static final String CHECKCAST_ARRAYCOPY = "(.*((?i:call_leaf_nofp,runtime)|CALL,\\s?runtime leaf nofp|BCTRL.*.leaf call).*checkcast_arraycopy.*" + END;