[PATCH,committed] arc: fix accumulator first register.

[Claudiu Zissulescu via Gcc-patches]

gcc/
2021-01-05  Claudiu Zissulescu  <claz...@synopsys.com>

        * config/arc/arc.md (maddsidi4_split): Use ACC_REG_FIRST.
        (umaddsidi4_split): Likewise.

Signed-off-by: Claudiu Zissulescu <claz...@synopsys.com>
---
 gcc/config/arc/arc.md | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/gcc/config/arc/arc.md b/gcc/config/arc/arc.md
index 3e544430167..7a52551eef5 100644
--- a/gcc/config/arc/arc.md
+++ b/gcc/config/arc/arc.md
@@ -6177,12 +6177,12 @@ (define_insn_and_split "maddsidi4_split"
    rtx acc_reg = gen_rtx_REG (DImode, ACC_REG_FIRST);
    emit_move_insn (acc_reg, operands[3]);
    if (TARGET_PLUS_MACD && even_register_operand (operands[0], DImode)
-       && REGNO (operands[0]) != ACCL_REGNO)
+       && REGNO (operands[0]) != ACC_REG_FIRST)
       emit_insn (gen_macd (operands[0], operands[1], operands[2]));
    else
      {
       emit_insn (gen_mac (operands[1], operands[2]));
-      if (REGNO (operands[0]) != ACCL_REGNO)
+      if (REGNO (operands[0]) != ACC_REG_FIRST)
         emit_move_insn (operands[0], acc_reg);
      }
    DONE;
@@ -6279,12 +6279,12 @@ (define_insn_and_split "umaddsidi4_split"
    rtx acc_reg = gen_rtx_REG (DImode, ACC_REG_FIRST);
    emit_move_insn (acc_reg, operands[3]);
    if (TARGET_PLUS_MACD && even_register_operand (operands[0], DImode)
-       && REGNO (operands[0]) != ACCL_REGNO)
+       && REGNO (operands[0]) != ACC_REG_FIRST)
       emit_insn (gen_macdu (operands[0], operands[1], operands[2]));
    else
      {
       emit_insn (gen_macu (operands[1], operands[2]));
-      if (REGNO (operands[0]) != ACCL_REGNO)
+      if (REGNO (operands[0]) != ACC_REG_FIRST)
         emit_move_insn (operands[0], acc_reg);
      }
    DONE;
-- 
2.26.2