From 2112bf1bfb696def31b211425e5e74e89f9574c3 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Sat, 1 Sep 2012 11:08:17 -0700 Subject: [PATCH] target-s390: Implement CONVERT FROM LOGICAL Signed-off-by: Richard Henderson --- target-s390x/fpu_helper.c | 31 +++++++++++++++++++++++++++++++ target-s390x/helper.h | 3 +++ target-s390x/insn-data.def | 7 +++++++ target-s390x/translate.c | 25 +++++++++++++++++++++++++ 4 files changed, 66 insertions(+) diff --git a/target-s390x/fpu_helper.c b/target-s390x/fpu_helper.c index 6a76541833..58c2e6135c 100644 --- a/target-s390x/fpu_helper.c +++ b/target-s390x/fpu_helper.c @@ -395,6 +395,37 @@ uint64_t HELPER(cxgb)(CPUS390XState *env, int64_t v2, uint32_t m3) return RET128(ret); } +/* convert 64-bit uint to 32-bit float */ +uint64_t HELPER(celgb)(CPUS390XState *env, uint64_t v2, uint32_t m3) +{ + int hold = swap_round_mode(env, m3); + float32 ret = uint64_to_float32(v2, &env->fpu_status); + set_float_rounding_mode(hold, &env->fpu_status); + handle_exceptions(env, GETPC()); + return ret; +} + +/* convert 64-bit uint to 64-bit float */ +uint64_t HELPER(cdlgb)(CPUS390XState *env, uint64_t v2, uint32_t m3) +{ + int hold = swap_round_mode(env, m3); + float64 ret = uint64_to_float64(v2, &env->fpu_status); + set_float_rounding_mode(hold, &env->fpu_status); + handle_exceptions(env, GETPC()); + return ret; +} + +/* convert 64-bit uint to 128-bit float */ +uint64_t HELPER(cxlgb)(CPUS390XState *env, uint64_t v2, uint32_t m3) +{ + int hold = swap_round_mode(env, m3); + /* ??? Not 50% correct. */ + float128 ret = int64_to_float128(v2, &env->fpu_status); + set_float_rounding_mode(hold, &env->fpu_status); + handle_exceptions(env, GETPC()); + return RET128(ret); +} + /* convert 32-bit float to 64-bit int */ uint64_t HELPER(cgeb)(CPUS390XState *env, uint64_t v2, uint32_t m3) { diff --git a/target-s390x/helper.h b/target-s390x/helper.h index 0204e8505f..aef6f0faf8 100644 --- a/target-s390x/helper.h +++ b/target-s390x/helper.h @@ -32,6 +32,9 @@ DEF_HELPER_4(clcle, i32, env, i32, i64, i32) DEF_HELPER_3(cegb, i64, env, s64, i32) DEF_HELPER_3(cdgb, i64, env, s64, i32) DEF_HELPER_3(cxgb, i64, env, s64, i32) +DEF_HELPER_3(celgb, i64, env, i64, i32) +DEF_HELPER_3(cdlgb, i64, env, i64, i32) +DEF_HELPER_3(cxlgb, i64, env, i64, i32) DEF_HELPER_3(aeb, i64, env, i64, i64) DEF_HELPER_3(adb, i64, env, i64, i64) DEF_HELPER_5(axb, i64, env, i64, i64, i64, i64) diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def index a67fdcc6ad..0777b5567b 100644 --- a/target-s390x/insn-data.def +++ b/target-s390x/insn-data.def @@ -233,6 +233,13 @@ C(0xb3ac, CLGEBR, RRF_e, FPE, 0, e2, r1, 0, clgeb, 0) C(0xb3ad, CLGDBR, RRF_e, FPE, 0, f2_o, r1, 0, clgdb, 0) C(0xb3ae, CLGXBR, RRF_e, FPE, 0, x2_o, r1, 0, clgxb, 0) +/* CONVERT FROM LOGICAL */ + C(0xb390, CELFBR, RRF_e, FPE, 0, r2_32u, new, e1, celgb, 0) + C(0xb391, CDLFBR, RRF_e, FPE, 0, r2_32u, f1, 0, cdlgb, 0) + C(0xb392, CXLFBR, RRF_e, FPE, 0, r2_32u, x1, 0, cxlgb, 0) + C(0xb3a0, CELGBR, RRF_e, FPE, 0, r2_o, new, e1, celgb, 0) + C(0xb3a1, CDLGBR, RRF_e, FPE, 0, r2_o, f1, 0, cdlgb, 0) + C(0xb3a2, CXLGBR, RRF_e, FPE, 0, r2_o, x1, 0, cxlgb, 0) /* DIVIDE */ C(0x1d00, DR, RR_a, Z, r1_D32, r2_32s, new_P, r1_P32, divs32, 0) diff --git a/target-s390x/translate.c b/target-s390x/translate.c index 1b7a8dc946..dc5aac7941 100644 --- a/target-s390x/translate.c +++ b/target-s390x/translate.c @@ -1609,6 +1609,31 @@ static ExitStatus op_cxgb(DisasContext *s, DisasOps *o) return NO_EXIT; } +static ExitStatus op_celgb(DisasContext *s, DisasOps *o) +{ + TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3)); + gen_helper_celgb(o->out, cpu_env, o->in2, m3); + tcg_temp_free_i32(m3); + return NO_EXIT; +} + +static ExitStatus op_cdlgb(DisasContext *s, DisasOps *o) +{ + TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3)); + gen_helper_cdlgb(o->out, cpu_env, o->in2, m3); + tcg_temp_free_i32(m3); + return NO_EXIT; +} + +static ExitStatus op_cxlgb(DisasContext *s, DisasOps *o) +{ + TCGv_i32 m3 = tcg_const_i32(get_field(s->fields, m3)); + gen_helper_cxlgb(o->out, cpu_env, o->in2, m3); + tcg_temp_free_i32(m3); + return_low128(o->out2); + return NO_EXIT; +} + static ExitStatus op_cksm(DisasContext *s, DisasOps *o) { int r2 = get_field(s->fields, r2);