On 5/3/23 05:56, Richard Henderson wrote:
Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---

Reviewed-by: Daniel Henrique Barboza <dbarb...@ventanamicro.com>

  tcg/riscv/tcg-target.h     | 4 ++--
  tcg/riscv/tcg-target.c.inc | 9 +++++++++
  2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/tcg/riscv/tcg-target.h b/tcg/riscv/tcg-target.h
index 8e327afc3a..e0b23006c4 100644
--- a/tcg/riscv/tcg-target.h
+++ b/tcg/riscv/tcg-target.h
@@ -127,7 +127,7 @@ extern bool have_zbb;
  #define TCG_TARGET_HAS_nor_i32          0
  #define TCG_TARGET_HAS_clz_i32          0
  #define TCG_TARGET_HAS_ctz_i32          0
-#define TCG_TARGET_HAS_ctpop_i32        0
+#define TCG_TARGET_HAS_ctpop_i32        have_zbb
  #define TCG_TARGET_HAS_brcond2          1
  #define TCG_TARGET_HAS_setcond2         1
  #define TCG_TARGET_HAS_qemu_st8_i32     0
@@ -161,7 +161,7 @@ extern bool have_zbb;
  #define TCG_TARGET_HAS_nor_i64          0
  #define TCG_TARGET_HAS_clz_i64          0
  #define TCG_TARGET_HAS_ctz_i64          0
-#define TCG_TARGET_HAS_ctpop_i64        0
+#define TCG_TARGET_HAS_ctpop_i64        have_zbb
  #define TCG_TARGET_HAS_add2_i64         1
  #define TCG_TARGET_HAS_sub2_i64         1
  #define TCG_TARGET_HAS_mulu2_i64        0
diff --git a/tcg/riscv/tcg-target.c.inc b/tcg/riscv/tcg-target.c.inc
index 9cbefb2833..044ddfb160 100644
--- a/tcg/riscv/tcg-target.c.inc
+++ b/tcg/riscv/tcg-target.c.inc
@@ -1512,6 +1512,13 @@ static void tcg_out_op(TCGContext *s, TCGOpcode opc,
          }
          break;
+ case INDEX_op_ctpop_i32:
+        tcg_out_opc_imm(s, OPC_CPOPW, a0, a1, 0);
+        break;
+    case INDEX_op_ctpop_i64:
+        tcg_out_opc_imm(s, OPC_CPOP, a0, a1, 0);
+        break;
+
      case INDEX_op_add2_i32:
          tcg_out_addsub2(s, a0, a1, a2, args[3], args[4], args[5],
                          const_args[4], const_args[5], false, true);
@@ -1634,6 +1641,8 @@ static TCGConstraintSetIndex tcg_target_op_def(TCGOpcode 
op)
      case INDEX_op_bswap16_i64:
      case INDEX_op_bswap32_i64:
      case INDEX_op_bswap64_i64:
+    case INDEX_op_ctpop_i32:
+    case INDEX_op_ctpop_i64:
          return C_O1_I1(r, r);
case INDEX_op_st8_i32:


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