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| author | Richard Henderson <rth@twiddle.net> | 2012-09-01 09:45:20 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2013-01-05 12:18:44 -0800 |
| commit | b92fa33486b240404923308b483a3318eb804c4a (patch) | |
| tree | 44394b1db4ee9948fb7be57d48be5ae6c843323d /target-s390x | |
| parent | 632086da28e1682c0129276656ee0d32274fcd17 (diff) | |
| download | qemu-b92fa33486b240404923308b483a3318eb804c4a.tar.gz | |
target-s390: Implement STORE ON CONDITION
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-s390x')
| -rw-r--r-- | target-s390x/insn-data.def | 3 | ||||
| -rw-r--r-- | target-s390x/translate.c | 29 |
2 files changed, 32 insertions, 0 deletions
diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def index 91ee0551bb..00b95b681d 100644 --- a/target-s390x/insn-data.def +++ b/target-s390x/insn-data.def @@ -601,6 +601,9 @@ C(0xe370, STHY, RXY_a, LD, r1_o, a2, 0, 0, st16, 0) /* STORE HALFWORD RELATIVE LONG */ C(0xc407, STHRL, RIL_b, GIE, r1_o, ri2, 0, 0, st16, 0) +/* STORE ON CONDITION */ + D(0xebf3, STOC, RSY_b, LOC, 0, 0, 0, 0, soc, 0, 0) + D(0xebe3, STOCG, RSY_b, LOC, 0, 0, 0, 0, soc, 0, 1) /* STORE REVERSED */ C(0xe33f, STRVH, RXY_a, Z, la2, r1_16u, new, m1_16, rev16, 0) C(0xe33e, STRV, RXY_a, Z, la2, r1_32u, new, m1_32, rev32, 0) diff --git a/target-s390x/translate.c b/target-s390x/translate.c index 1edb066463..321fc46a13 100644 --- a/target-s390x/translate.c +++ b/target-s390x/translate.c @@ -2747,6 +2747,35 @@ static ExitStatus op_sigp(DisasContext *s, DisasOps *o) } #endif +static ExitStatus op_soc(DisasContext *s, DisasOps *o) +{ + DisasCompare c; + TCGv_i64 a; + int lab, r1; + + disas_jcc(s, &c, get_field(s->fields, m3)); + + lab = gen_new_label(); + if (c.is_64) { + tcg_gen_brcond_i64(c.cond, c.u.s64.a, c.u.s64.b, lab); + } else { + tcg_gen_brcond_i32(c.cond, c.u.s32.a, c.u.s32.b, lab); + } + free_compare(&c); + + r1 = get_field(s->fields, r1); + a = get_address(s, 0, get_field(s->fields, b2), get_field(s->fields, d2)); + if (s->insn->data) { + tcg_gen_qemu_st64(regs[r1], a, get_mem_index(s)); + } else { + tcg_gen_qemu_st32(regs[r1], a, get_mem_index(s)); + } + tcg_temp_free_i64(a); + + gen_set_label(lab); + return NO_EXIT; +} + static ExitStatus op_sla(DisasContext *s, DisasOps *o) { uint64_t sign = 1ull << s->insn->data; |