From d82287dee9d8bfe2c4cb520e30c76244fcbb705c Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Thu, 16 Aug 2012 14:09:45 -0700 Subject: [PATCH] target-s390: Convert ADD HALFWORD Signed-off-by: Richard Henderson --- target-s390x/insn-data.def | 7 +++++++ target-s390x/translate.c | 43 +++++++------------------------------------ 2 files changed, 14 insertions(+), 36 deletions(-) diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def index 7d81928..2acc8f0 100644 --- a/target-s390x/insn-data.def +++ b/target-s390x/insn-data.def @@ -15,6 +15,13 @@ C(0xc208, AGFI, RIL_a, EI, r1, i2, r1, 0, add, adds64) C(0xeb7a, AGSI, SIY, GIE, m1_64, i2, new, m1_64, add, adds64) C(0xecd9, AGHIK, RIE_d, DO, r3, i2, r1, 0, add, adds64) +/* ADD HALFWORD */ + C(0x4a00, AH, RX_a, Z, r1, m2_16s, new, r1_32, add, adds32) + C(0xe37a, AHY, RXY_a, LD, r1, m2_16s, new, r1_32, add, adds32) +/* ADD HALFWORD IMMEDIATE */ + C(0xa70a, AHI, RI_a, Z, r1, i2, new, r1_32, add, adds32) + C(0xa70b, AGHI, RI_a, Z, r1, i2, r1, 0, add, adds64) + /* ADD LOGICAL */ C(0x1e00, ALR, RR_a, Z, r1, r2, new, r1_32, add, addu32) C(0xb9fa, ALRK, RRF_a, DO, r2, r3, new, r1_32, add, addu32) diff --git a/target-s390x/translate.c b/target-s390x/translate.c index 076bb7f..0a916b1 100644 --- a/target-s390x/translate.c +++ b/target-s390x/translate.c @@ -559,11 +559,6 @@ static inline void set_cc_s64(DisasContext *s, TCGv_i64 val) gen_op_update1_cc_i64(s, CC_OP_LTGT0_64, val); } -static void set_cc_add64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2, TCGv_i64 vr) -{ - gen_op_update3_cc_i64(s, CC_OP_ADD_64, v1, v2, vr); -} - static void set_cc_addu64(DisasContext *s, TCGv_i64 v1, TCGv_i64 v2, TCGv_i64 vr) { @@ -2267,7 +2262,7 @@ static void disas_a7(CPUS390XState *env, DisasContext *s, int op, int r1, int i2) { TCGv_i64 tmp, tmp2; - TCGv_i32 tmp32_1, tmp32_2, tmp32_3; + TCGv_i32 tmp32_1; int l1; LOG_DISAS("disas_a7: op 0x%x r1 %d i2 0x%x\n", op, r1, i2); @@ -2342,36 +2337,6 @@ static void disas_a7(CPUS390XState *env, DisasContext *s, int op, int r1, store_reg(r1, tmp); tcg_temp_free_i64(tmp); break; - case 0xa: /* AHI R1,I2 [RI] */ - tmp32_1 = load_reg32(r1); - tmp32_2 = tcg_temp_new_i32(); - tmp32_3 = tcg_const_i32(i2); - - if (i2 < 0) { - tcg_gen_subi_i32(tmp32_2, tmp32_1, -i2); - } else { - tcg_gen_add_i32(tmp32_2, tmp32_1, tmp32_3); - } - - store_reg32(r1, tmp32_2); - set_cc_add32(s, tmp32_1, tmp32_3, tmp32_2); - tcg_temp_free_i32(tmp32_1); - tcg_temp_free_i32(tmp32_2); - tcg_temp_free_i32(tmp32_3); - break; - case 0xb: /* aghi r1, i2 */ - tmp = load_reg(r1); - tmp2 = tcg_const_i64(i2); - - if (i2 < 0) { - tcg_gen_subi_i64(regs[r1], tmp, -i2); - } else { - tcg_gen_add_i64(regs[r1], tmp, tmp2); - } - set_cc_add64(s, tmp, tmp2, regs[r1]); - tcg_temp_free_i64(tmp); - tcg_temp_free_i64(tmp2); - break; case 0xc: /* MHI R1,I2 [RI] */ tmp32_1 = load_reg32(r1); tcg_gen_muli_i32(tmp32_1, tmp32_1, i2); @@ -5078,6 +5043,12 @@ static void in2_a2(DisasContext *s, DisasFields *f, DisasOps *o) o->in2 = get_address(s, x2, get_field(f, b2), get_field(f, d2)); } +static void in2_m2_16s(DisasContext *s, DisasFields *f, DisasOps *o) +{ + in2_a2(s, f, o); + tcg_gen_qemu_ld16s(o->in2, o->in2, get_mem_index(s)); +} + static void in2_m2_32s(DisasContext *s, DisasFields *f, DisasOps *o) { in2_a2(s, f, o); -- 2.7.4