target/mips: Use tcg_constant_i32() in gen_msa_2r()

Avoid using a TCG temporary by moving Data Format to the constant pool.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20211003175743.3738710-5-f4bug@amsat.org>

diff --git a/target/mips/tcg/msa_translate.c b/target/mips/tcg/msa_translate.c
index 5e8f80f2f234616c7947a03da373f1496c6dcb78..bbe9146513afddf94cf9b7310d584cfb82307e0c 100644 (file)
--- a/target/mips/tcg/msa_translate.c
+++ b/target/mips/tcg/msa_translate.c
@@ -1946,7 +1946,6 @@ static void gen_msa_2r(DisasContext *ctx)
     uint8_t df = (ctx->opcode >> 16) & 0x3;
     TCGv_i32 twd = tcg_const_i32(wd);
     TCGv_i32 tws = tcg_const_i32(ws);
-    TCGv_i32 tdf = tcg_const_i32(df);
 
     switch (MASK_MSA_2R(ctx->opcode)) {
     case OPC_FILL_df:
@@ -1957,7 +1956,8 @@ static void gen_msa_2r(DisasContext *ctx)
             break;
         }
 #endif
-        gen_helper_msa_fill_df(cpu_env, tdf, twd, tws); /* trs */
+        gen_helper_msa_fill_df(cpu_env, tcg_constant_i32(df),
+                               twd, tws); /* trs */
         break;
     case OPC_NLOC_df:
         switch (df) {
@@ -2015,7 +2015,6 @@ static void gen_msa_2r(DisasContext *ctx)
 
     tcg_temp_free_i32(twd);
     tcg_temp_free_i32(tws);
-    tcg_temp_free_i32(tdf);
 }
 
 static void gen_msa_2rf(DisasContext *ctx)