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target/mips: Use tcg_constant_i32() in gen_msa_3rf()

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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: <20211003175743.3738710-6-f4bug@amsat.org>
This commit is contained in:
Philippe Mathieu-Daudé 2021-10-03 14:39:05 +02:00
parent 74341af7d6
commit 1b5c0a1147
1 changed files with 14 additions and 9 deletions
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23
target/mips/tcg/msa_translate.c
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@ -1790,10 +1790,22 @@ static void gen_msa_3rf(DisasContext *ctx)
TCGv_i32 twd = tcg_const_i32(wd);
TCGv_i32 tws = tcg_const_i32(ws);
TCGv_i32 twt = tcg_const_i32(wt);
TCGv_i32 tdf = tcg_temp_new_i32();
TCGv_i32 tdf;
/* adjust df value for floating-point instruction */
tcg_gen_movi_i32(tdf, df + 2);
switch (MASK_MSA_3RF(ctx->opcode)) {
case OPC_MUL_Q_df:
case OPC_MADD_Q_df:
case OPC_MSUB_Q_df:
case OPC_MULR_Q_df:
case OPC_MADDR_Q_df:
case OPC_MSUBR_Q_df:
tdf = tcg_constant_i32(df + 1);
break;
default:
tdf = tcg_constant_i32(df + 2);
break;
}
switch (MASK_MSA_3RF(ctx->opcode)) {
case OPC_FCAF_df:
@ -1836,7 +1848,6 @@ static void gen_msa_3rf(DisasContext *ctx)
gen_helper_msa_fmadd_df(cpu_env, tdf, twd, tws, twt);
break;
case OPC_MUL_Q_df:
tcg_gen_movi_i32(tdf, df + 1);
gen_helper_msa_mul_q_df(cpu_env, tdf, twd, tws, twt);
break;
case OPC_FCULT_df:
@ -1846,14 +1857,12 @@ static void gen_msa_3rf(DisasContext *ctx)
gen_helper_msa_fmsub_df(cpu_env, tdf, twd, tws, twt);
break;
case OPC_MADD_Q_df:
tcg_gen_movi_i32(tdf, df + 1);
gen_helper_msa_madd_q_df(cpu_env, tdf, twd, tws, twt);
break;
case OPC_FCLE_df:
gen_helper_msa_fcle_df(cpu_env, tdf, twd, tws, twt);
break;
case OPC_MSUB_Q_df:
tcg_gen_movi_i32(tdf, df + 1);
gen_helper_msa_msub_q_df(cpu_env, tdf, twd, tws, twt);
break;
case OPC_FCULE_df:
@ -1896,7 +1905,6 @@ static void gen_msa_3rf(DisasContext *ctx)
gen_helper_msa_fmin_df(cpu_env, tdf, twd, tws, twt);
break;
case OPC_MULR_Q_df:
tcg_gen_movi_i32(tdf, df + 1);
gen_helper_msa_mulr_q_df(cpu_env, tdf, twd, tws, twt);
break;
case OPC_FSULT_df:
@ -1906,7 +1914,6 @@ static void gen_msa_3rf(DisasContext *ctx)
gen_helper_msa_fmin_a_df(cpu_env, tdf, twd, tws, twt);
break;
case OPC_MADDR_Q_df:
tcg_gen_movi_i32(tdf, df + 1);
gen_helper_msa_maddr_q_df(cpu_env, tdf, twd, tws, twt);
break;
case OPC_FSLE_df:
@ -1916,7 +1923,6 @@ static void gen_msa_3rf(DisasContext *ctx)
gen_helper_msa_fmax_df(cpu_env, tdf, twd, tws, twt);
break;
case OPC_MSUBR_Q_df:
tcg_gen_movi_i32(tdf, df + 1);
gen_helper_msa_msubr_q_df(cpu_env, tdf, twd, tws, twt);
break;
case OPC_FSULE_df:
@ -1934,7 +1940,6 @@ static void gen_msa_3rf(DisasContext *ctx)
tcg_temp_free_i32(twd);
tcg_temp_free_i32(tws);
tcg_temp_free_i32(twt);
tcg_temp_free_i32(tdf);
}
static void gen_msa_2r(DisasContext *ctx)