gwj / at91sam9263 · Commits

Commit c9297f4d1d488bedba02242cc2c532582258c74e

Authored by aurel32
1 parent c905fdac

target-mips: optimize gen_farith() 

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7046 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 1 changed file with 47 additions and 56 deletions
target-mips/translate.c
  View file @c9297f4
@@ -6122,32 +6122,32 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, @@ -6122,32 +6122,32 @@ static void gen_farith (DisasContext *ctx, uint32_t op1,
6122 case FOP(18, 16): 6122 case FOP(18, 16):
6123 { 6123 {
6124 int l1 = gen_new_label(); 6124 int l1 = gen_new_label();
6125 - TCGv t0 = tcg_temp_new();  
6126 - TCGv_i32 fp0 = tcg_temp_local_new_i32(); 6125 + TCGv_i32 fp0;
6127 6126
6128 - gen_load_gpr(t0, ft);  
6129 - tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); 6127 + if (ft != 0) {
  6128 + tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
  6129 + }
  6130 + fp0 = tcg_temp_new_i32();
6130 gen_load_fpr32(fp0, fs); 6131 gen_load_fpr32(fp0, fs);
6131 gen_store_fpr32(fp0, fd); 6132 gen_store_fpr32(fp0, fd);
6132 tcg_temp_free_i32(fp0); 6133 tcg_temp_free_i32(fp0);
6133 gen_set_label(l1); 6134 gen_set_label(l1);
6134 - tcg_temp_free(t0);  
6135 } 6135 }
6136 opn = "movz.s"; 6136 opn = "movz.s";
6137 break; 6137 break;
6138 case FOP(19, 16): 6138 case FOP(19, 16):
6139 { 6139 {
6140 int l1 = gen_new_label(); 6140 int l1 = gen_new_label();
6141 - TCGv t0 = tcg_temp_new();  
6142 - TCGv_i32 fp0 = tcg_temp_local_new_i32();  
6143 -  
6144 - gen_load_gpr(t0, ft);  
6145 - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);  
6146 - gen_load_fpr32(fp0, fs);  
6147 - gen_store_fpr32(fp0, fd);  
6148 - tcg_temp_free_i32(fp0);  
6149 - gen_set_label(l1);  
6150 - tcg_temp_free(t0); 6141 + TCGv_i32 fp0;
  6142 +
  6143 + if (ft != 0) {
  6144 + tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
  6145 + fp0 = tcg_temp_new_i32();
  6146 + gen_load_fpr32(fp0, fs);
  6147 + gen_store_fpr32(fp0, fd);
  6148 + tcg_temp_free_i32(fp0);
  6149 + gen_set_label(l1);
  6150 + }
6151 } 6151 }
6152 opn = "movn.s"; 6152 opn = "movn.s";
6153 break; 6153 break;
@@ -6541,32 +6541,32 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, @@ -6541,32 +6541,32 @@ static void gen_farith (DisasContext *ctx, uint32_t op1,
6541 case FOP(18, 17): 6541 case FOP(18, 17):
6542 { 6542 {
6543 int l1 = gen_new_label(); 6543 int l1 = gen_new_label();
6544 - TCGv t0 = tcg_temp_new();  
6545 - TCGv_i64 fp0 = tcg_temp_local_new_i64(); 6544 + TCGv_i64 fp0;
6546 6545
6547 - gen_load_gpr(t0, ft);  
6548 - tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); 6546 + if (ft != 0) {
  6547 + tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
  6548 + }
  6549 + fp0 = tcg_temp_new_i64();
6549 gen_load_fpr64(ctx, fp0, fs); 6550 gen_load_fpr64(ctx, fp0, fs);
6550 gen_store_fpr64(ctx, fp0, fd); 6551 gen_store_fpr64(ctx, fp0, fd);
6551 tcg_temp_free_i64(fp0); 6552 tcg_temp_free_i64(fp0);
6552 gen_set_label(l1); 6553 gen_set_label(l1);
6553 - tcg_temp_free(t0);  
6554 } 6554 }
6555 opn = "movz.d"; 6555 opn = "movz.d";
6556 break; 6556 break;
6557 case FOP(19, 17): 6557 case FOP(19, 17):
6558 { 6558 {
6559 int l1 = gen_new_label(); 6559 int l1 = gen_new_label();
6560 - TCGv t0 = tcg_temp_new();  
6561 - TCGv_i64 fp0 = tcg_temp_local_new_i64();  
6562 -  
6563 - gen_load_gpr(t0, ft);  
6564 - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);  
6565 - gen_load_fpr64(ctx, fp0, fs);  
6566 - gen_store_fpr64(ctx, fp0, fd);  
6567 - tcg_temp_free_i64(fp0);  
6568 - gen_set_label(l1);  
6569 - tcg_temp_free(t0); 6560 + TCGv_i64 fp0;
  6561 +
  6562 + if (ft != 0) {
  6563 + tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
  6564 + fp0 = tcg_temp_new_i64();
  6565 + gen_load_fpr64(ctx, fp0, fs);
  6566 + gen_store_fpr64(ctx, fp0, fd);
  6567 + tcg_temp_free_i64(fp0);
  6568 + gen_set_label(l1);
  6569 + }
6570 } 6570 }
6571 opn = "movn.d"; 6571 opn = "movn.d";
6572 break; 6572 break;
@@ -6876,20 +6876,15 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, @@ -6876,20 +6876,15 @@ static void gen_farith (DisasContext *ctx, uint32_t op1,
6876 check_cp1_64bitmode(ctx); 6876 check_cp1_64bitmode(ctx);
6877 { 6877 {
6878 int l1 = gen_new_label(); 6878 int l1 = gen_new_label();
6879 - TCGv t0 = tcg_temp_new();  
6880 - TCGv_i32 fp0 = tcg_temp_local_new_i32();  
6881 - TCGv_i32 fph0 = tcg_temp_local_new_i32(); 6879 + TCGv_i32 fp0;
6882 6880
6883 - gen_load_gpr(t0, ft);  
6884 - tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1);  
6885 - gen_load_fpr32(fp0, fs);  
6886 - gen_load_fpr32h(fph0, fs);  
6887 - gen_store_fpr32(fp0, fd);  
6888 - gen_store_fpr32h(fph0, fd);  
6889 - tcg_temp_free_i32(fp0);  
6890 - tcg_temp_free_i32(fph0); 6881 + if (ft != 0)
  6882 + tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
  6883 + fp0 = tcg_temp_new_i64();
  6884 + gen_load_fpr64(ctx, fp0, fs);
  6885 + gen_store_fpr64(ctx, fp0, fd);
  6886 + tcg_temp_free_i64(fp0);
6891 gen_set_label(l1); 6887 gen_set_label(l1);
6892 - tcg_temp_free(t0);  
6893 } 6888 }
6894 opn = "movz.ps"; 6889 opn = "movz.ps";
6895 break; 6890 break;
@@ -6897,20 +6892,16 @@ static void gen_farith (DisasContext *ctx, uint32_t op1, @@ -6897,20 +6892,16 @@ static void gen_farith (DisasContext *ctx, uint32_t op1,
6897 check_cp1_64bitmode(ctx); 6892 check_cp1_64bitmode(ctx);
6898 { 6893 {
6899 int l1 = gen_new_label(); 6894 int l1 = gen_new_label();
6900 - TCGv t0 = tcg_temp_new();  
6901 - TCGv_i32 fp0 = tcg_temp_local_new_i32();  
6902 - TCGv_i32 fph0 = tcg_temp_local_new_i32();  
6903 -  
6904 - gen_load_gpr(t0, ft);  
6905 - tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1);  
6906 - gen_load_fpr32(fp0, fs);  
6907 - gen_load_fpr32h(fph0, fs);  
6908 - gen_store_fpr32(fp0, fd);  
6909 - gen_store_fpr32h(fph0, fd);  
6910 - tcg_temp_free_i32(fp0);  
6911 - tcg_temp_free_i32(fph0);  
6912 - gen_set_label(l1);  
6913 - tcg_temp_free(t0); 6895 + TCGv_i32 fp0;
  6896 +
  6897 + if (ft != 0) {
  6898 + tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
  6899 + fp0 = tcg_temp_new_i64();
  6900 + gen_load_fpr64(ctx, fp0, fs);
  6901 + gen_store_fpr64(ctx, fp0, fd);
  6902 + tcg_temp_free_i64(fp0);
  6903 + gen_set_label(l1);
  6904 + }
6914 } 6905 }
6915 opn = "movn.ps"; 6906 opn = "movn.ps";
6916 break; 6907 break;