diff options
| -rw-r--r-- | target-ppc/translate.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/target-ppc/translate.c b/target-ppc/translate.c index f08901470b..a641fb0e71 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -467,6 +467,12 @@ EXTRACT_HELPER(AA, 1, 1); /* Link */ EXTRACT_HELPER(LK, 0, 1); +/* DFP Z22-form */ +EXTRACT_HELPER(DCM, 10, 6) + +/* DFP Z23-form */ +EXTRACT_HELPER(RMC, 9, 2) + /* Create a mask between <start> and <end> bits */ static inline target_ulong MASK(uint32_t start, uint32_t end) { @@ -503,6 +509,7 @@ EXTRACT_HELPER_SPLIT(xC, 3, 1, 6, 5); EXTRACT_HELPER(DM, 8, 2); EXTRACT_HELPER(UIM, 16, 2); EXTRACT_HELPER(SHW, 8, 2); +EXTRACT_HELPER(SP, 19, 2); /*****************************************************************************/ /* PowerPC instructions table */ @@ -8180,6 +8187,176 @@ static void gen_xxsldwi(DisasContext *ctx) tcg_temp_free_i64(xtl); } +/*** Decimal Floating Point ***/ + +static inline TCGv_ptr gen_fprp_ptr(int reg) +{ + TCGv_ptr r = tcg_temp_new_ptr(); + tcg_gen_addi_ptr(r, cpu_env, offsetof(CPUPPCState, fpr[reg])); + return r; +} + +#if defined(TARGET_PPC64) +__attribute__ ((unused)) +static void gen_set_cr6_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 +__attribute__ ((unused)) +static void gen_set_cr6_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) \ +{ \ + TCGv_ptr rd, ra, rb; \ + if (unlikely(!ctx->fpu_enabled)) { \ + gen_exception(ctx, POWERPC_EXCP_FPU); \ + return; \ + } \ + gen_update_nip(ctx, ctx->nip - 4); \ + rd = gen_fprp_ptr(rD(ctx->opcode)); \ + ra = gen_fprp_ptr(rA(ctx->opcode)); \ + rb = gen_fprp_ptr(rB(ctx->opcode)); \ + gen_helper_##name(cpu_env, rd, ra, rb); \ + if (unlikely(Rc(ctx->opcode) != 0)) { \ + gen_set_cr6_from_fpscr(ctx); \ + } \ + tcg_temp_free_ptr(rd); \ + tcg_temp_free_ptr(ra); \ + tcg_temp_free_ptr(rb); \ +} + +#define GEN_DFP_BF_A_B(name) \ +static void gen_##name(DisasContext *ctx) \ +{ \ + TCGv_ptr ra, rb; \ + if (unlikely(!ctx->fpu_enabled)) { \ + gen_exception(ctx, POWERPC_EXCP_FPU); \ + return; \ + } \ + gen_update_nip(ctx, ctx->nip - 4); \ + ra = gen_fprp_ptr(rA(ctx->opcode)); \ + rb = gen_fprp_ptr(rB(ctx->opcode)); \ + gen_helper_##name(cpu_crf[crfD(ctx->opcode)], \ + cpu_env, ra, rb); \ + tcg_temp_free_ptr(ra); \ + tcg_temp_free_ptr(rb); \ +} + +#define GEN_DFP_BF_A_DCM(name) \ +static void gen_##name(DisasContext *ctx) \ +{ \ + TCGv_ptr ra; \ + TCGv_i32 dcm; \ + if (unlikely(!ctx->fpu_enabled)) { \ + gen_exception(ctx, POWERPC_EXCP_FPU); \ + return; \ + } \ + gen_update_nip(ctx, ctx->nip - 4); \ + ra = gen_fprp_ptr(rA(ctx->opcode)); \ + dcm = tcg_const_i32(DCM(ctx->opcode)); \ + gen_helper_##name(cpu_crf[crfD(ctx->opcode)], \ + cpu_env, ra, dcm); \ + tcg_temp_free_ptr(ra); \ + tcg_temp_free_i32(dcm); \ +} + +#define GEN_DFP_T_B_U32_U32_Rc(name, u32f1, u32f2) \ +static void gen_##name(DisasContext *ctx) \ +{ \ + TCGv_ptr rt, rb; \ + TCGv_i32 u32_1, u32_2; \ + if (unlikely(!ctx->fpu_enabled)) { \ + gen_exception(ctx, POWERPC_EXCP_FPU); \ + return; \ + } \ + gen_update_nip(ctx, ctx->nip - 4); \ + rt = gen_fprp_ptr(rD(ctx->opcode)); \ + rb = gen_fprp_ptr(rB(ctx->opcode)); \ + u32_1 = tcg_const_i32(u32f1(ctx->opcode)); \ + u32_2 = tcg_const_i32(u32f2(ctx->opcode)); \ + gen_helper_##name(cpu_env, rt, rb, u32_1, u32_2); \ + if (unlikely(Rc(ctx->opcode) != 0)) { \ + gen_set_cr6_from_fpscr(ctx); \ + } \ + tcg_temp_free_ptr(rt); \ + tcg_temp_free_ptr(rb); \ + tcg_temp_free_i32(u32_1); \ + tcg_temp_free_i32(u32_2); \ +} + +#define GEN_DFP_T_A_B_I32_Rc(name, i32fld) \ +static void gen_##name(DisasContext *ctx) \ +{ \ + TCGv_ptr rt, ra, rb; \ + TCGv_i32 i32; \ + if (unlikely(!ctx->fpu_enabled)) { \ + gen_exception(ctx, POWERPC_EXCP_FPU); \ + return; \ + } \ + gen_update_nip(ctx, ctx->nip - 4); \ + rt = gen_fprp_ptr(rD(ctx->opcode)); \ + ra = gen_fprp_ptr(rA(ctx->opcode)); \ + rb = gen_fprp_ptr(rB(ctx->opcode)); \ + i32 = tcg_const_i32(i32fld(ctx->opcode)); \ + gen_helper_##name(cpu_env, rt, ra, rb, i32); \ + if (unlikely(Rc(ctx->opcode) != 0)) { \ + gen_set_cr6_from_fpscr(ctx); \ + } \ + tcg_temp_free_ptr(rt); \ + tcg_temp_free_ptr(rb); \ + tcg_temp_free_ptr(ra); \ + tcg_temp_free_i32(i32); \ + } + +#define GEN_DFP_T_B_Rc(name) \ +static void gen_##name(DisasContext *ctx) \ +{ \ + TCGv_ptr rt, rb; \ + if (unlikely(!ctx->fpu_enabled)) { \ + gen_exception(ctx, POWERPC_EXCP_FPU); \ + return; \ + } \ + gen_update_nip(ctx, ctx->nip - 4); \ + rt = gen_fprp_ptr(rD(ctx->opcode)); \ + rb = gen_fprp_ptr(rB(ctx->opcode)); \ + gen_helper_##name(cpu_env, rt, rb); \ + if (unlikely(Rc(ctx->opcode) != 0)) { \ + gen_set_cr6_from_fpscr(ctx); \ + } \ + tcg_temp_free_ptr(rt); \ + tcg_temp_free_ptr(rb); \ + } + +#define GEN_DFP_T_FPR_I32_Rc(name, fprfld, i32fld) \ +static void gen_##name(DisasContext *ctx) \ +{ \ + TCGv_ptr rt, rs; \ + TCGv_i32 i32; \ + if (unlikely(!ctx->fpu_enabled)) { \ + gen_exception(ctx, POWERPC_EXCP_FPU); \ + return; \ + } \ + gen_update_nip(ctx, ctx->nip - 4); \ + rt = gen_fprp_ptr(rD(ctx->opcode)); \ + rs = gen_fprp_ptr(fprfld(ctx->opcode)); \ + i32 = tcg_const_i32(i32fld(ctx->opcode)); \ + gen_helper_##name(cpu_env, rt, rs, i32); \ + if (unlikely(Rc(ctx->opcode) != 0)) { \ + gen_set_cr6_from_fpscr(ctx); \ + } \ + tcg_temp_free_ptr(rt); \ + tcg_temp_free_ptr(rs); \ + tcg_temp_free_i32(i32); \ +} /*** SPE extension ***/ /* Register moves */ |