From d54f58654187f8bafb4523a286a9baf46c531d06 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Wed, 22 Aug 2012 15:35:40 -0700 Subject: target-s390: Convert LOAD REVERSED Signed-off-by: Richard Henderson --- target-s390x/insn-data.def | 6 ++++ target-s390x/translate.c | 77 ++++++++++++++++++---------------------------- 2 files changed, 36 insertions(+), 47 deletions(-) diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def index a8dffcdcd5..1ee0d42930 100644 --- a/target-s390x/insn-data.def +++ b/target-s390x/insn-data.def @@ -293,6 +293,12 @@ C(0x1000, LPR, RR_a, Z, 0, r2_32s, new, r1_32, abs, abs32) C(0xb900, LPGR, RRE, Z, 0, r2, r1, 0, abs, abs64) C(0xb910, LPGFR, RRE, Z, 0, r2_32s, r1, 0, abs, abs64) +/* LOAD REVERSED */ + C(0xb91f, LRVR, RRE, Z, 0, r2_32u, new, r1_32, rev32, 0) + C(0xb90f, LRVGR, RRE, Z, 0, r2_o, r1, 0, rev64, 0) + C(0xe31f, LRVH, RXY_a, Z, 0, m2_16u, new, r1_16, rev16, 0) + C(0xe31e, LRV, RXY_a, Z, 0, m2_32u, new, r1_32, rev32, 0) + C(0xe30f, LRVG, RXY_a, Z, 0, m2_64, r1, 0, rev64, 0) /* LOAD MULTIPLE */ C(0x9800, LM, RS_a, Z, 0, a2, 0, 0, lm32, 0) diff --git a/target-s390x/translate.c b/target-s390x/translate.c index 0afc25f25b..397511ca44 100644 --- a/target-s390x/translate.c +++ b/target-s390x/translate.c @@ -278,17 +278,6 @@ static inline void store_reg32h_i64(int reg, TCGv_i64 v) tcg_gen_deposit_i64(regs[reg], regs[reg], v, 32, 32); } -static inline void store_reg16(int reg, TCGv_i32 v) -{ - /* 16 bit register writes keep the upper bytes */ -#if HOST_LONG_BITS == 32 - tcg_gen_deposit_i32(TCGV_LOW(regs[reg]), TCGV_LOW(regs[reg]), v, 0, 16); -#else - tcg_gen_deposit_i64(regs[reg], regs[reg], - MAKE_TCGV_I64(GET_TCGV_I32(v)), 0, 16); -#endif -} - static inline void store_freg32(int reg, TCGv_i32 v) { /* 32 bit register writes keep the lower half */ @@ -1022,13 +1011,6 @@ static void disas_e3(CPUS390XState *env, DisasContext* s, int op, int r1, op, r1, x2, b2, d2); addr = get_address(s, x2, b2, d2); switch (op) { - case 0xf: /* LRVG R1,D2(X2,B2) [RXE] */ - tmp2 = tcg_temp_new_i64(); - tcg_gen_qemu_ld64(tmp2, addr, get_mem_index(s)); - tcg_gen_bswap64_i64(tmp2, tmp2); - store_reg(r1, tmp2); - tcg_temp_free_i64(tmp2); - break; case 0x17: /* LLGT R1,D2(X2,B2) [RXY] */ tmp2 = tcg_temp_new_i64(); tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s)); @@ -1036,26 +1018,6 @@ static void disas_e3(CPUS390XState *env, DisasContext* s, int op, int r1, store_reg(r1, tmp2); tcg_temp_free_i64(tmp2); break; - case 0x1e: /* LRV R1,D2(X2,B2) [RXY] */ - tmp2 = tcg_temp_new_i64(); - tmp32_1 = tcg_temp_new_i32(); - tcg_gen_qemu_ld32u(tmp2, addr, get_mem_index(s)); - tcg_gen_trunc_i64_i32(tmp32_1, tmp2); - tcg_temp_free_i64(tmp2); - tcg_gen_bswap32_i32(tmp32_1, tmp32_1); - store_reg32(r1, tmp32_1); - tcg_temp_free_i32(tmp32_1); - break; - case 0x1f: /* LRVH R1,D2(X2,B2) [RXY] */ - tmp2 = tcg_temp_new_i64(); - tmp32_1 = tcg_temp_new_i32(); - tcg_gen_qemu_ld16u(tmp2, addr, get_mem_index(s)); - tcg_gen_trunc_i64_i32(tmp32_1, tmp2); - tcg_temp_free_i64(tmp2); - tcg_gen_bswap16_i32(tmp32_1, tmp32_1); - store_reg16(r1, tmp32_1); - tcg_temp_free_i32(tmp32_1); - break; case 0x3e: /* STRV R1,D2(X2,B2) [RXY] */ tmp32_1 = load_reg32(r1); tmp2 = tcg_temp_new_i64(); @@ -1861,15 +1823,6 @@ static void disas_b9(CPUS390XState *env, DisasContext *s, int op, int r1, tcg_temp_free_i32(tmp32_1); tcg_temp_free_i64(tmp); break; - case 0x0f: /* LRVGR R1,R2 [RRE] */ - tcg_gen_bswap64_i64(regs[r1], regs[r2]); - break; - case 0x1f: /* LRVR R1,R2 [RRE] */ - tmp32_1 = load_reg32(r2); - tcg_gen_bswap32_i32(tmp32_1, tmp32_1); - store_reg32(r1, tmp32_1); - tcg_temp_free_i32(tmp32_1); - break; case 0x83: /* FLOGR R1,R2 [RRE] */ tmp = load_reg(r2); tmp32_1 = tcg_const_i32(r1); @@ -3023,6 +2976,24 @@ static ExitStatus op_ori(DisasContext *s, DisasOps *o) return NO_EXIT; } +static ExitStatus op_rev16(DisasContext *s, DisasOps *o) +{ + tcg_gen_bswap16_i64(o->out, o->in2); + return NO_EXIT; +} + +static ExitStatus op_rev32(DisasContext *s, DisasOps *o) +{ + tcg_gen_bswap32_i64(o->out, o->in2); + return NO_EXIT; +} + +static ExitStatus op_rev64(DisasContext *s, DisasOps *o) +{ + tcg_gen_bswap64_i64(o->out, o->in2); + return NO_EXIT; +} + static ExitStatus op_rll32(DisasContext *s, DisasOps *o) { TCGv_i32 t1 = tcg_temp_new_i32(); @@ -3576,6 +3547,12 @@ static void wout_r1_8(DisasContext *s, DisasFields *f, DisasOps *o) tcg_gen_deposit_i64(regs[r1], regs[r1], o->out, 0, 8); } +static void wout_r1_16(DisasContext *s, DisasFields *f, DisasOps *o) +{ + int r1 = get_field(f, r1); + tcg_gen_deposit_i64(regs[r1], regs[r1], o->out, 0, 16); +} + static void wout_r1_32(DisasContext *s, DisasFields *f, DisasOps *o) { store_reg32_i64(get_field(f, r1), o->out); @@ -3918,6 +3895,12 @@ static void in2_m2_16s(DisasContext *s, DisasFields *f, DisasOps *o) tcg_gen_qemu_ld16s(o->in2, o->in2, get_mem_index(s)); } +static void in2_m2_16u(DisasContext *s, DisasFields *f, DisasOps *o) +{ + in2_a2(s, f, o); + tcg_gen_qemu_ld16u(o->in2, o->in2, get_mem_index(s)); +} + static void in2_m2_32s(DisasContext *s, DisasFields *f, DisasOps *o) { in2_a2(s, f, o); -- cgit v1.2.3