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
Inline Side-by-side
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 6122 case FOP(18, 16):
6123 6123 {
6124 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 6131 gen_load_fpr32(fp0, fs);
6131 6132 gen_store_fpr32(fp0, fd);
6132 6133 tcg_temp_free_i32(fp0);
6133 6134 gen_set_label(l1);
6134   - tcg_temp_free(t0);
6135 6135 }
6136 6136 opn = "movz.s";
6137 6137 break;
6138 6138 case FOP(19, 16):
6139 6139 {
6140 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 6152 opn = "movn.s";
6153 6153 break;
... ... @@ -6541,32 +6541,32 @@ static void gen_farith (DisasContext *ctx, uint32_t op1,
6541 6541 case FOP(18, 17):
6542 6542 {
6543 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 6550 gen_load_fpr64(ctx, fp0, fs);
6550 6551 gen_store_fpr64(ctx, fp0, fd);
6551 6552 tcg_temp_free_i64(fp0);
6552 6553 gen_set_label(l1);
6553   - tcg_temp_free(t0);
6554 6554 }
6555 6555 opn = "movz.d";
6556 6556 break;
6557 6557 case FOP(19, 17):
6558 6558 {
6559 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 6571 opn = "movn.d";
6572 6572 break;
... ... @@ -6876,20 +6876,15 @@ static void gen_farith (DisasContext *ctx, uint32_t op1,
6876 6876 check_cp1_64bitmode(ctx);
6877 6877 {
6878 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 6887 gen_set_label(l1);
6892   - tcg_temp_free(t0);
6893 6888 }
6894 6889 opn = "movz.ps";
6895 6890 break;
... ... @@ -6897,20 +6892,16 @@ static void gen_farith (DisasContext *ctx, uint32_t op1,
6897 6892 check_cp1_64bitmode(ctx);
6898 6893 {
6899 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 6906 opn = "movn.ps";
6916 6907 break;
... ...