From c9297f4d1d488bedba02242cc2c532582258c74e Mon Sep 17 00:00:00 2001 From: aurel32 Date: Wed, 8 Apr 2009 21:48:27 +0000 Subject: [PATCH] target-mips: optimize gen_farith() Signed-off-by: Aurelien Jarno git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7046 c046a42c-6fe2-441c-8c8c-71466251a162 --- target-mips/translate.c | 97 +++++++++++++++++++---------------------- 1 file changed, 44 insertions(+), 53 deletions(-) diff --git a/target-mips/translate.c b/target-mips/translate.c index 8485ad5c34..0473060f7c 100644 --- a/target-mips/translate.c +++ b/target-mips/translate.c @@ -6122,32 +6122,32 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, case FOP(18, 16): { int l1 = gen_new_label(); - TCGv t0 = tcg_temp_new(); - TCGv_i32 fp0 = tcg_temp_local_new_i32(); + TCGv_i32 fp0; - gen_load_gpr(t0, ft); - tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); + if (ft != 0) { + tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); + } + fp0 = tcg_temp_new_i32(); gen_load_fpr32(fp0, fs); gen_store_fpr32(fp0, fd); tcg_temp_free_i32(fp0); gen_set_label(l1); - tcg_temp_free(t0); } opn = "movz.s"; break; case FOP(19, 16): { int l1 = gen_new_label(); - TCGv t0 = tcg_temp_new(); - TCGv_i32 fp0 = tcg_temp_local_new_i32(); + TCGv_i32 fp0; - gen_load_gpr(t0, ft); - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); - gen_load_fpr32(fp0, fs); - gen_store_fpr32(fp0, fd); - tcg_temp_free_i32(fp0); - gen_set_label(l1); - tcg_temp_free(t0); + if (ft != 0) { + tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); + fp0 = tcg_temp_new_i32(); + gen_load_fpr32(fp0, fs); + gen_store_fpr32(fp0, fd); + tcg_temp_free_i32(fp0); + gen_set_label(l1); + } } opn = "movn.s"; break; @@ -6541,32 +6541,32 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, case FOP(18, 17): { int l1 = gen_new_label(); - TCGv t0 = tcg_temp_new(); - TCGv_i64 fp0 = tcg_temp_local_new_i64(); + TCGv_i64 fp0; - gen_load_gpr(t0, ft); - tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); + if (ft != 0) { + tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); + } + fp0 = tcg_temp_new_i64(); gen_load_fpr64(ctx, fp0, fs); gen_store_fpr64(ctx, fp0, fd); tcg_temp_free_i64(fp0); gen_set_label(l1); - tcg_temp_free(t0); } opn = "movz.d"; break; case FOP(19, 17): { int l1 = gen_new_label(); - TCGv t0 = tcg_temp_new(); - TCGv_i64 fp0 = tcg_temp_local_new_i64(); + TCGv_i64 fp0; - gen_load_gpr(t0, ft); - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); - gen_load_fpr64(ctx, fp0, fs); - gen_store_fpr64(ctx, fp0, fd); - tcg_temp_free_i64(fp0); - gen_set_label(l1); - tcg_temp_free(t0); + if (ft != 0) { + tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); + fp0 = tcg_temp_new_i64(); + gen_load_fpr64(ctx, fp0, fs); + gen_store_fpr64(ctx, fp0, fd); + tcg_temp_free_i64(fp0); + gen_set_label(l1); + } } opn = "movn.d"; break; @@ -6876,20 +6876,15 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, check_cp1_64bitmode(ctx); { int l1 = gen_new_label(); - TCGv t0 = tcg_temp_new(); - TCGv_i32 fp0 = tcg_temp_local_new_i32(); - TCGv_i32 fph0 = tcg_temp_local_new_i32(); + TCGv_i32 fp0; - gen_load_gpr(t0, ft); - tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); - gen_load_fpr32(fp0, fs); - gen_load_fpr32h(fph0, fs); - gen_store_fpr32(fp0, fd); - gen_store_fpr32h(fph0, fd); - tcg_temp_free_i32(fp0); - tcg_temp_free_i32(fph0); + if (ft != 0) + tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); + fp0 = tcg_temp_new_i64(); + gen_load_fpr64(ctx, fp0, fs); + gen_store_fpr64(ctx, fp0, fd); + tcg_temp_free_i64(fp0); gen_set_label(l1); - tcg_temp_free(t0); } opn = "movz.ps"; break; @@ -6897,20 +6892,16 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, check_cp1_64bitmode(ctx); { int l1 = gen_new_label(); - TCGv t0 = tcg_temp_new(); - TCGv_i32 fp0 = tcg_temp_local_new_i32(); - TCGv_i32 fph0 = tcg_temp_local_new_i32(); + TCGv_i32 fp0; - gen_load_gpr(t0, ft); - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); - gen_load_fpr32(fp0, fs); - gen_load_fpr32h(fph0, fs); - gen_store_fpr32(fp0, fd); - gen_store_fpr32h(fph0, fd); - tcg_temp_free_i32(fp0); - tcg_temp_free_i32(fph0); - gen_set_label(l1); - tcg_temp_free(t0); + if (ft != 0) { + tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); + fp0 = tcg_temp_new_i64(); + gen_load_fpr64(ctx, fp0, fs); + gen_store_fpr64(ctx, fp0, fd); + tcg_temp_free_i64(fp0); + gen_set_label(l1); + } } opn = "movn.ps"; break;