target/mips: Use tcg_constant_i32() in gen_msa_2rf()

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: <20211003175743.3738710-4-f4bug@amsat.org>

diff --git a/target/mips/tcg/msa_translate.c b/target/mips/tcg/msa_translate.c
index 20036ae49684bca14baa1873003dbbd8556f6c9b..5e8f80f2f234616c7947a03da373f1496c6dcb78 100644 (file)
--- a/target/mips/tcg/msa_translate.c
+++ b/target/mips/tcg/msa_translate.c
@@ -2028,7 +2028,7 @@ static void gen_msa_2rf(DisasContext *ctx)
     TCGv_i32 twd = tcg_const_i32(wd);
     TCGv_i32 tws = tcg_const_i32(ws);
     /* adjust df value for floating-point instruction */
-    TCGv_i32 tdf = tcg_const_i32(df + 2);
+    TCGv_i32 tdf = tcg_constant_i32(df + 2);
 
     switch (MASK_MSA_2RF(ctx->opcode)) {
     case OPC_FCLASS_df:
@@ -2083,7 +2083,6 @@ static void gen_msa_2rf(DisasContext *ctx)
 
     tcg_temp_free_i32(twd);
     tcg_temp_free_i32(tws);
-    tcg_temp_free_i32(tdf);
 }
 
 static void gen_msa_vec_v(DisasContext *ctx)