target/mips: Extract gen_base_index_addr() helper

Factor out gen_base_index_addr() which is used twice
but we'll use it more.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241111222936.59869-2-philmd@linaro.org>

diff --git a/target/mips/tcg/translate.c b/target/mips/tcg/translate.c
index 5c80b0303298f908c335ee1301d6ade74519de60..8816237e92923d1f3e9c9687bd68cd77147566b1 100644 (file)
--- a/target/mips/tcg/translate.c
+++ b/target/mips/tcg/translate.c
@@ -1957,6 +1957,17 @@ void gen_base_offset_addr(DisasContext *ctx, TCGv addr, int base, int offset)
     }
 }
 
+void gen_base_index_addr(DisasContext *ctx, TCGv addr, int base, int index)
+{
+    if (base == 0) {
+        gen_load_gpr(addr, index);
+    } else if (index == 0) {
+        gen_load_gpr(addr, base);
+    } else {
+        gen_op_addr_add(ctx, addr, cpu_gpr[base], cpu_gpr[index]);
+    }
+}
+
 static target_ulong pc_relative_pc(DisasContext *ctx)
 {
     target_ulong pc = ctx->base.pc_next;
@@ -10546,13 +10557,7 @@ static void gen_flt3_ldst(DisasContext *ctx, uint32_t opc,
 {
     TCGv t0 = tcg_temp_new();
 
-    if (base == 0) {
-        gen_load_gpr(t0, index);
-    } else if (index == 0) {
-        gen_load_gpr(t0, base);
-    } else {
-        gen_op_addr_add(ctx, t0, cpu_gpr[base], cpu_gpr[index]);
-    }
+    gen_base_index_addr(ctx, t0, base, index);
     /*
      * Don't do NOP if destination is zero: we must perform the actual
      * memory access.
@@ -11334,13 +11339,7 @@ static void gen_mips_lx(DisasContext *ctx, uint32_t opc,
     }
     t0 = tcg_temp_new();
 
-    if (base == 0) {
-        gen_load_gpr(t0, offset);
-    } else if (offset == 0) {
-        gen_load_gpr(t0, base);
-    } else {
-        gen_op_addr_add(ctx, t0, cpu_gpr[base], cpu_gpr[offset]);
-    }
+    gen_base_index_addr(ctx, t0, base, offset);
 
     switch (opc) {
     case OPC_LBUX:

diff --git a/target/mips/tcg/translate.h b/target/mips/tcg/translate.h
index 428b53a0dacb2d7879dbd163c18e1ef23a0a2120..e65593815e697ad218b8baea0e67ee4d9939bdf5 100644 (file)
--- a/target/mips/tcg/translate.h
+++ b/target/mips/tcg/translate.h
@@ -154,6 +154,7 @@ void check_cp1_registers(DisasContext *ctx, int regs);
 void check_cop1x(DisasContext *ctx);
 
 void gen_base_offset_addr(DisasContext *ctx, TCGv addr, int base, int offset);
+void gen_base_index_addr(DisasContext *ctx, TCGv addr, int base, int index);
 void gen_move_low32(TCGv ret, TCGv_i64 arg);
 void gen_move_high32(TCGv ret, TCGv_i64 arg);
 void gen_load_gpr(TCGv t, int reg);