diff options
Diffstat (limited to 'target-mips')
-rw-r--r-- | target-mips/translate.c | 164 |
1 files changed, 57 insertions, 107 deletions
diff --git a/target-mips/translate.c b/target-mips/translate.c index e2e5847e5d..ea90776694 100644 --- a/target-mips/translate.c +++ b/target-mips/translate.c @@ -643,18 +643,12 @@ static inline void gen_store_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg) } } -static inline void get_fp_cond (TCGv_i32 t) +static inline int get_fp_bit (int cc) { - TCGv_i32 r_tmp1 = tcg_temp_new_i32(); - TCGv_i32 r_tmp2 = tcg_temp_new_i32(); - - tcg_gen_shri_i32(r_tmp2, fpu_fcr31, 24); - tcg_gen_andi_i32(r_tmp2, r_tmp2, 0xfe); - tcg_gen_shri_i32(r_tmp1, fpu_fcr31, 23); - tcg_gen_andi_i32(r_tmp1, r_tmp1, 0x1); - tcg_gen_or_i32(t, r_tmp1, r_tmp2); - tcg_temp_free_i32(r_tmp1); - tcg_temp_free_i32(r_tmp2); + if (cc) + return 24 + cc; + else + return 23; } #define FOP_CONDS(type, fmt, bits) \ @@ -5500,132 +5494,88 @@ static void gen_compute_branch1 (CPUState *env, DisasContext *ctx, uint32_t op, switch (op) { case OPC_BC1F: - { - int l1 = gen_new_label(); - int l2 = gen_new_label(); - - get_fp_cond(t0); - tcg_gen_andi_i32(t0, t0, 0x1 << cc); - tcg_gen_brcondi_i32(TCG_COND_EQ, t0, 0, l1); - tcg_gen_movi_tl(bcond, 0); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_movi_tl(bcond, 1); - gen_set_label(l2); - } + tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); + tcg_gen_not_i32(t0, t0); + tcg_gen_andi_i32(t0, t0, 1); + tcg_gen_extu_i32_tl(bcond, t0); opn = "bc1f"; goto not_likely; case OPC_BC1FL: - { - int l1 = gen_new_label(); - int l2 = gen_new_label(); - - get_fp_cond(t0); - tcg_gen_andi_i32(t0, t0, 0x1 << cc); - tcg_gen_brcondi_i32(TCG_COND_EQ, t0, 0, l1); - tcg_gen_movi_tl(bcond, 0); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_movi_tl(bcond, 1); - gen_set_label(l2); - } + tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); + tcg_gen_not_i32(t0, t0); + tcg_gen_andi_i32(t0, t0, 1); + tcg_gen_extu_i32_tl(bcond, t0); opn = "bc1fl"; goto likely; case OPC_BC1T: - { - int l1 = gen_new_label(); - int l2 = gen_new_label(); - - get_fp_cond(t0); - tcg_gen_andi_i32(t0, t0, 0x1 << cc); - tcg_gen_brcondi_i32(TCG_COND_NE, t0, 0, l1); - tcg_gen_movi_tl(bcond, 0); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_movi_tl(bcond, 1); - gen_set_label(l2); - } + tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); + tcg_gen_andi_i32(t0, t0, 1); + tcg_gen_extu_i32_tl(bcond, t0); opn = "bc1t"; goto not_likely; case OPC_BC1TL: - { - int l1 = gen_new_label(); - int l2 = gen_new_label(); - - get_fp_cond(t0); - tcg_gen_andi_i32(t0, t0, 0x1 << cc); - tcg_gen_brcondi_i32(TCG_COND_NE, t0, 0, l1); - tcg_gen_movi_tl(bcond, 0); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_movi_tl(bcond, 1); - gen_set_label(l2); - } + tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); + tcg_gen_andi_i32(t0, t0, 1); + tcg_gen_extu_i32_tl(bcond, t0); opn = "bc1tl"; likely: ctx->hflags |= MIPS_HFLAG_BL; break; case OPC_BC1FANY2: { - int l1 = gen_new_label(); - int l2 = gen_new_label(); - - get_fp_cond(t0); - tcg_gen_andi_i32(t0, t0, 0x3 << cc); - tcg_gen_brcondi_i32(TCG_COND_EQ, t0, 0, l1); - tcg_gen_movi_tl(bcond, 0); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_movi_tl(bcond, 1); - gen_set_label(l2); + TCGv_i32 t1 = tcg_temp_new_i32(); + tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); + tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1)); + tcg_gen_or_i32(t0, t0, t1); + tcg_temp_free_i32(t1); + tcg_gen_not_i32(t0, t0); + tcg_gen_andi_i32(t0, t0, 1); + tcg_gen_extu_i32_tl(bcond, t0); } opn = "bc1any2f"; goto not_likely; case OPC_BC1TANY2: { - int l1 = gen_new_label(); - int l2 = gen_new_label(); - - get_fp_cond(t0); - tcg_gen_andi_i32(t0, t0, 0x3 << cc); - tcg_gen_brcondi_i32(TCG_COND_NE, t0, 0, l1); - tcg_gen_movi_tl(bcond, 0); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_movi_tl(bcond, 1); - gen_set_label(l2); + TCGv_i32 t1 = tcg_temp_new_i32(); + tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); + tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1)); + tcg_gen_or_i32(t0, t0, t1); + tcg_temp_free_i32(t1); + tcg_gen_andi_i32(t0, t0, 1); + tcg_gen_extu_i32_tl(bcond, t0); } opn = "bc1any2t"; goto not_likely; case OPC_BC1FANY4: { - int l1 = gen_new_label(); - int l2 = gen_new_label(); - - get_fp_cond(t0); - tcg_gen_andi_i32(t0, t0, 0xf << cc); - tcg_gen_brcondi_i32(TCG_COND_EQ, t0, 0, l1); - tcg_gen_movi_tl(bcond, 0); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_movi_tl(bcond, 1); - gen_set_label(l2); + TCGv_i32 t1 = tcg_temp_new_i32(); + tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); + tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1)); + tcg_gen_or_i32(t0, t0, t1); + tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2)); + tcg_gen_or_i32(t0, t0, t1); + tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3)); + tcg_gen_or_i32(t0, t0, t1); + tcg_temp_free_i32(t1); + tcg_gen_not_i32(t0, t0); + tcg_gen_andi_i32(t0, t0, 1); + tcg_gen_extu_i32_tl(bcond, t0); } opn = "bc1any4f"; goto not_likely; case OPC_BC1TANY4: { - int l1 = gen_new_label(); - int l2 = gen_new_label(); - - get_fp_cond(t0); - tcg_gen_andi_i32(t0, t0, 0xf << cc); - tcg_gen_brcondi_i32(TCG_COND_NE, t0, 0, l1); - tcg_gen_movi_tl(bcond, 0); - tcg_gen_br(l2); - gen_set_label(l1); - tcg_gen_movi_tl(bcond, 1); - gen_set_label(l2); + TCGv_i32 t1 = tcg_temp_new_i32(); + tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); + tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1)); + tcg_gen_or_i32(t0, t0, t1); + tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2)); + tcg_gen_or_i32(t0, t0, t1); + tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3)); + tcg_gen_or_i32(t0, t0, t1); + tcg_temp_free_i32(t1); + tcg_gen_andi_i32(t0, t0, 1); + tcg_gen_extu_i32_tl(bcond, t0); } opn = "bc1any4t"; not_likely: |