diff options
| author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2021-10-03 14:39:05 +0200 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2021-10-18 00:41:36 +0200 |
| commit | 1b5c0a11471cd0c3c2f206fd49e31972a2dc3bad (patch) | |
| tree | 694e19aaef2f3bf80a672c9bdb0976a59ffc537e /target/mips | |
| parent | 74341af7d6c7093bba0893a7efd53d30aa50a200 (diff) | |
| download | qemu-1b5c0a11471cd0c3c2f206fd49e31972a2dc3bad.zip qemu-1b5c0a11471cd0c3c2f206fd49e31972a2dc3bad.tar.gz qemu-1b5c0a11471cd0c3c2f206fd49e31972a2dc3bad.tar.bz2 | |
target/mips: Use tcg_constant_i32() in gen_msa_3rf()
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>
Diffstat (limited to 'target/mips')
| -rw-r--r-- | target/mips/tcg/msa_translate.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/target/mips/tcg/msa_translate.c b/target/mips/tcg/msa_translate.c index bbe9146..e107cad 100644 --- a/target/mips/tcg/msa_translate.c +++ b/target/mips/tcg/msa_translate.c @@ -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) |