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target/s390x: Implement load-on-condition-2 insns 

Reviewed-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2017-06-16 16:35:34 -07:00
parent e1a5d922b4
commit 45aa9aa3b7
3 changed files with 25 additions and 3 deletions
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9
target/s390x/insn-data.def
View File

@ -514,6 +514,13 @@
C(0xb9e2, LOCGR, RRF_c, LOC, r1, r2, r1, 0, loc, 0)
C(0xebf2, LOC, RSY_b, LOC, r1, m2_32u, new, r1_32, loc, 0)
C(0xebe2, LOCG, RSY_b, LOC, r1, m2_64, r1, 0, loc, 0)
/* LOAD HALFWORD IMMEDIATE ON CONDITION */
C(0xec42, LOCHI, RIE_g, LOC2, r1, i2, new, r1_32, loc, 0)
C(0xec46, LOCGHI, RIE_g, LOC2, r1, i2, r1, 0, loc, 0)
C(0xec4e, LOCHHI, RIE_g, LOC2, r1_sr32, i2, new, r1_32h, loc, 0)
/* LOAD HIGH ON CONDITION */
C(0xb9e0, LOCFHR, RRF_c, LOC2, r1_sr32, r2, new, r1_32h, loc, 0)
C(0xebe0, LOCFH, RSY_b, LOC2, r1_sr32, m2_32u, new, r1_32h, loc, 0)
/* LOAD PAIR DISJOINT */
D(0xc804, LPD, SSF, ILA, 0, 0, new_P, r3_P32, lpd, 0, MO_TEUL)
D(0xc805, LPDG, SSF, ILA, 0, 0, new_P, r3_P64, lpd, 0, MO_TEQ)
@ -779,6 +786,8 @@
/* 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 HIGH ON CONDITION */
D(0xebe1, STOCFH, RSY_b, LOC2, 0, 0, 0, 0, soc, 0, 2)
/* 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)

1
target/s390x/insn-format.def
View File

@ -11,6 +11,7 @@ F4(RIE_c, R(1, 8), I(2,32, 8), M(3,12), I(4,16,16))
F3(RIE_d, R(1, 8), I(2,16,16), R(3,12))
F3(RIE_e, R(1, 8), I(2,16,16), R(3,12))
F5(RIE_f, R(1, 8), R(2,12), I(3,16,8), I(4,24,8), I(5,32,8))
F3(RIE_g, R(1, 8), I(2,16,16), M(3,12))
F2(RIL_a, R(1, 8), I(2,16,32))
F2(RIL_b, R(1, 8), I(2,16,32))
F2(RIL_c, M(1, 8), I(2,16,32))

18
target/s390x/translate.c
View File

@ -3641,7 +3641,7 @@ static ExitStatus op_sigp(DisasContext *s, DisasOps *o)
static ExitStatus op_soc(DisasContext *s, DisasOps *o)
{
DisasCompare c;
TCGv_i64 a;
TCGv_i64 a, h;
TCGLabel *lab;
int r1;
@ -3661,10 +3661,21 @@ static ExitStatus op_soc(DisasContext *s, DisasOps *o)
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) {
switch (s->insn->data) {
case 1: /* STOCG */
tcg_gen_qemu_st64(regs[r1], a, get_mem_index(s));
} else {
break;
case 0: /* STOC */
tcg_gen_qemu_st32(regs[r1], a, get_mem_index(s));
break;
case 2: /* STOCFH */
h = tcg_temp_new_i64();
tcg_gen_shri_i64(h, regs[r1], 32);
tcg_gen_qemu_st32(h, a, get_mem_index(s));
tcg_temp_free_i64(h);
break;
default:
g_assert_not_reached();
}
tcg_temp_free_i64(a);
@ -5416,6 +5427,7 @@ enum DisasInsnEnum {
#define FAC_MIE S390_FEAT_STFLE_49 /* misc-instruction-extensions */
#define FAC_LAT S390_FEAT_STFLE_49 /* load-and-trap */
#define FAC_LOC S390_FEAT_STFLE_45 /* load/store on condition 1 */
#define FAC_LOC2 S390_FEAT_STFLE_53 /* load/store on condition 2 */
#define FAC_LD S390_FEAT_LONG_DISPLACEMENT
#define FAC_PC S390_FEAT_STFLE_45 /* population count */
#define FAC_SCF S390_FEAT_STORE_CLOCK_FAST