diff options
-rw-r--r-- | target/sparc/fop_helper.c | 17 | ||||
-rw-r--r-- | target/sparc/helper.h | 3 | ||||
-rw-r--r-- | target/sparc/translate.c | 42 |
3 files changed, 16 insertions, 46 deletions
diff --git a/target/sparc/fop_helper.c b/target/sparc/fop_helper.c index f54fa9b..0f8aa3a 100644 --- a/target/sparc/fop_helper.c +++ b/target/sparc/fop_helper.c @@ -382,20 +382,7 @@ static void set_fsr(CPUSPARCState *env, target_ulong fsr) set_float_rounding_mode(rnd_mode, &env->fp_status); } -target_ulong helper_ldfsr(CPUSPARCState *env, target_ulong old_fsr, - uint32_t new_fsr) +void helper_set_fsr(CPUSPARCState *env, target_ulong fsr) { - old_fsr = (new_fsr & FSR_LDFSR_MASK) | (old_fsr & FSR_LDFSR_OLDMASK); - set_fsr(env, old_fsr); - return old_fsr; + set_fsr(env, fsr); } - -#ifdef TARGET_SPARC64 -target_ulong helper_ldxfsr(CPUSPARCState *env, target_ulong old_fsr, - uint64_t new_fsr) -{ - old_fsr = (new_fsr & FSR_LDXFSR_MASK) | (old_fsr & FSR_LDXFSR_OLDMASK); - set_fsr(env, old_fsr); - return old_fsr; -} -#endif diff --git a/target/sparc/helper.h b/target/sparc/helper.h index b116ddc..7907524 100644 --- a/target/sparc/helper.h +++ b/target/sparc/helper.h @@ -42,7 +42,7 @@ DEF_HELPER_FLAGS_4(ld_asi, TCG_CALL_NO_WG, i64, env, tl, int, i32) DEF_HELPER_FLAGS_5(st_asi, TCG_CALL_NO_WG, void, env, tl, i64, int, i32) #endif DEF_HELPER_FLAGS_1(check_ieee_exceptions, TCG_CALL_NO_WG, tl, env) -DEF_HELPER_FLAGS_3(ldfsr, TCG_CALL_NO_RWG, tl, env, tl, i32) +DEF_HELPER_FLAGS_2(set_fsr, TCG_CALL_NO_RWG, void, env, tl) DEF_HELPER_FLAGS_1(fabss, TCG_CALL_NO_RWG_SE, f32, f32) DEF_HELPER_FLAGS_2(fsqrts, TCG_CALL_NO_RWG, f32, env, f32) DEF_HELPER_FLAGS_2(fsqrtd, TCG_CALL_NO_RWG, f64, env, f64) @@ -54,7 +54,6 @@ DEF_HELPER_FLAGS_1(fsqrtq, TCG_CALL_NO_RWG, void, env) DEF_HELPER_FLAGS_1(fcmpq, TCG_CALL_NO_WG, tl, env) DEF_HELPER_FLAGS_1(fcmpeq, TCG_CALL_NO_WG, tl, env) #ifdef TARGET_SPARC64 -DEF_HELPER_FLAGS_3(ldxfsr, TCG_CALL_NO_RWG, tl, env, tl, i64) DEF_HELPER_FLAGS_1(fabsd, TCG_CALL_NO_RWG_SE, f64, f64) DEF_HELPER_FLAGS_3(fcmps_fcc1, TCG_CALL_NO_WG, tl, env, f32, f32) DEF_HELPER_FLAGS_3(fcmps_fcc2, TCG_CALL_NO_WG, tl, env, f32, f32) diff --git a/target/sparc/translate.c b/target/sparc/translate.c index 4c0e7cd..bf8c5a1 100644 --- a/target/sparc/translate.c +++ b/target/sparc/translate.c @@ -45,7 +45,6 @@ # define gen_helper_clear_softint(E, S) qemu_build_not_reached() # define gen_helper_done(E) qemu_build_not_reached() # define gen_helper_flushw(E) qemu_build_not_reached() -# define gen_helper_ldxfsr(D, E, A, B) qemu_build_not_reached() # define gen_helper_rdccr(D, E) qemu_build_not_reached() # define gen_helper_rdcwp(D, E) qemu_build_not_reached() # define gen_helper_restored(E) qemu_build_not_reached() @@ -63,6 +62,8 @@ # define gen_helper_write_softint(E, S) qemu_build_not_reached() # define gen_helper_wrpil(E, S) qemu_build_not_reached() # define gen_helper_wrpstate(E, S) qemu_build_not_reached() +# define FSR_LDXFSR_MASK 0 +# define FSR_LDXFSR_OLDMASK 0 # define MAXTL_MASK 0 #endif @@ -4675,44 +4676,27 @@ static bool trans_STDFQ(DisasContext *dc, arg_STDFQ *a) return true; } -static bool trans_LDFSR(DisasContext *dc, arg_r_r_ri *a) +static bool do_ldfsr(DisasContext *dc, arg_r_r_ri *a, MemOp mop, + target_ulong new_mask, target_ulong old_mask) { - TCGv addr; - TCGv_i32 tmp; - - addr = gen_ldst_addr(dc, a->rs1, a->imm, a->rs2_or_imm); + TCGv tmp, addr = gen_ldst_addr(dc, a->rs1, a->imm, a->rs2_or_imm); if (addr == NULL) { return false; } if (gen_trap_ifnofpu(dc)) { return true; } - tmp = tcg_temp_new_i32(); - tcg_gen_qemu_ld_i32(tmp, addr, dc->mem_idx, MO_TEUL | MO_ALIGN); - gen_helper_ldfsr(cpu_fsr, tcg_env, cpu_fsr, tmp); + tmp = tcg_temp_new(); + tcg_gen_qemu_ld_tl(tmp, addr, dc->mem_idx, mop | MO_ALIGN); + tcg_gen_andi_tl(tmp, tmp, new_mask); + tcg_gen_andi_tl(cpu_fsr, cpu_fsr, old_mask); + tcg_gen_or_tl(cpu_fsr, cpu_fsr, tmp); + gen_helper_set_fsr(tcg_env, cpu_fsr); return advance_pc(dc); } -static bool trans_LDXFSR(DisasContext *dc, arg_r_r_ri *a) -{ - TCGv addr; - TCGv_i64 tmp; - - if (!avail_64(dc)) { - return false; - } - addr = gen_ldst_addr(dc, a->rs1, a->imm, a->rs2_or_imm); - if (addr == NULL) { - return false; - } - if (gen_trap_ifnofpu(dc)) { - return true; - } - tmp = tcg_temp_new_i64(); - tcg_gen_qemu_ld_i64(tmp, addr, dc->mem_idx, MO_TEUQ | MO_ALIGN); - gen_helper_ldxfsr(cpu_fsr, tcg_env, cpu_fsr, tmp); - return advance_pc(dc); -} +TRANS(LDFSR, ALL, do_ldfsr, a, MO_TEUL, FSR_LDFSR_MASK, FSR_LDFSR_OLDMASK) +TRANS(LDXFSR, 64, do_ldfsr, a, MO_TEUQ, FSR_LDXFSR_MASK, FSR_LDXFSR_OLDMASK) static bool do_stfsr(DisasContext *dc, arg_r_r_ri *a, MemOp mop) { |