target/mips: Introduce gen_load_gpr_hi() / gen_store_gpr_hi() helpers

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210214175912.732946-7-f4bug@amsat.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>

diff --git a/target/mips/translate.c b/target/mips/translate.c
index 5228e040842c2b26758550866317ec57cb8b9e33..a303c36be3f09cc3e3574324645b7f250b869a66 100644 (file)
--- a/target/mips/translate.c
+++ b/target/mips/translate.c
@@ -2291,6 +2291,24 @@ void gen_store_gpr(TCGv t, int reg)
     }
 }
 
+#if defined(TARGET_MIPS64)
+void gen_load_gpr_hi(TCGv_i64 t, int reg)
+{
+    if (reg == 0) {
+        tcg_gen_movi_i64(t, 0);
+    } else {
+        tcg_gen_mov_i64(t, cpu_gpr_hi[reg]);
+    }
+}
+
+void gen_store_gpr_hi(TCGv_i64 t, int reg)
+{
+    if (reg != 0) {
+        tcg_gen_mov_i64(cpu_gpr_hi[reg], t);
+    }
+}
+#endif /* TARGET_MIPS64 */
+
 /* Moves to/from shadow registers. */
 static inline void gen_load_srsgpr(int from, int to)
 {

diff --git a/target/mips/translate.h b/target/mips/translate.h
index 3014c20cadbe8352e78046af000d448bd4408d62..468e29d7578be81879a766c30527ecb65fb15611 100644 (file)
--- a/target/mips/translate.h
+++ b/target/mips/translate.h
@@ -131,6 +131,10 @@ 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);
 void gen_store_gpr(TCGv t, int reg);
+#if defined(TARGET_MIPS64)
+void gen_load_gpr_hi(TCGv_i64 t, int reg);
+void gen_store_gpr_hi(TCGv_i64 t, int reg);
+#endif /* TARGET_MIPS64 */
 void gen_load_fpr32(DisasContext *ctx, TCGv_i32 t, int reg);
 void gen_load_fpr64(DisasContext *ctx, TCGv_i64 t, int reg);
 void gen_store_fpr32(DisasContext *ctx, TCGv_i32 t, int reg);