diff options
Diffstat (limited to 'target-ppc')
| -rw-r--r-- | target-ppc/translate.c | 50 |
1 files changed, 30 insertions, 20 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index fe36b5816e..35c3a16091 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -2077,6 +2077,21 @@ static void gen_srd(DisasContext *ctx) } #endif +#if defined(TARGET_PPC64) +static void gen_set_cr1_from_fpscr(DisasContext *ctx) +{ + TCGv_i32 tmp = tcg_temp_new_i32(); + tcg_gen_trunc_tl_i32(tmp, cpu_fpscr); + tcg_gen_shri_i32(cpu_crf[1], tmp, 28); + tcg_temp_free_i32(tmp); +} +#else +static void gen_set_cr1_from_fpscr(DisasContext *ctx) +{ + tcg_gen_shri_tl(cpu_crf[1], cpu_fpscr, 28); +} +#endif + /*** Floating-Point arithmetic ***/ #define _GEN_FLOAT_ACB(name, op, op1, op2, isfloat, set_fprf, type) \ static void gen_f##name(DisasContext *ctx) \ @@ -2370,7 +2385,9 @@ static void gen_fabs(DisasContext *ctx) } tcg_gen_andi_i64(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rB(ctx->opcode)], ~(1ULL << 63)); - gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], 0, Rc(ctx->opcode) != 0); + if (unlikely(Rc(ctx->opcode))) { + gen_set_cr1_from_fpscr(ctx); + } } /* fmr - fmr. */ @@ -2382,7 +2399,9 @@ static void gen_fmr(DisasContext *ctx) return; } tcg_gen_mov_i64(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rB(ctx->opcode)]); - gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], 0, Rc(ctx->opcode) != 0); + if (unlikely(Rc(ctx->opcode))) { + gen_set_cr1_from_fpscr(ctx); + } } /* fnabs */ @@ -2395,7 +2414,9 @@ static void gen_fnabs(DisasContext *ctx) } tcg_gen_ori_i64(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rB(ctx->opcode)], 1ULL << 63); - gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], 0, Rc(ctx->opcode) != 0); + if (unlikely(Rc(ctx->opcode))) { + gen_set_cr1_from_fpscr(ctx); + } } /* fneg */ @@ -2408,7 +2429,9 @@ static void gen_fneg(DisasContext *ctx) } tcg_gen_xori_i64(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rB(ctx->opcode)], 1ULL << 63); - gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], 0, Rc(ctx->opcode) != 0); + if (unlikely(Rc(ctx->opcode))) { + gen_set_cr1_from_fpscr(ctx); + } } /* fcpsgn: PowerPC 2.05 specification */ @@ -2421,7 +2444,9 @@ static void gen_fcpsgn(DisasContext *ctx) } tcg_gen_deposit_i64(cpu_fpr[rD(ctx->opcode)], cpu_fpr[rA(ctx->opcode)], cpu_fpr[rB(ctx->opcode)], 0, 63); - gen_compute_fprf(cpu_fpr[rD(ctx->opcode)], 0, Rc(ctx->opcode) != 0); + if (unlikely(Rc(ctx->opcode))) { + gen_set_cr1_from_fpscr(ctx); + } } static void gen_fmrgew(DisasContext *ctx) @@ -8211,21 +8236,6 @@ static inline TCGv_ptr gen_fprp_ptr(int reg) return r; } -#if defined(TARGET_PPC64) -static void gen_set_cr1_from_fpscr(DisasContext *ctx) -{ - TCGv_i32 tmp = tcg_temp_new_i32(); - tcg_gen_trunc_tl_i32(tmp, cpu_fpscr); - tcg_gen_shri_i32(cpu_crf[1], tmp, 28); - tcg_temp_free_i32(tmp); -} -#else -static void gen_set_cr1_from_fpscr(DisasContext *ctx) -{ - tcg_gen_shri_tl(cpu_crf[1], cpu_fpscr, 28); -} -#endif - #define GEN_DFP_T_A_B_Rc(name) \ static void gen_##name(DisasContext *ctx) \ { \ |