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target-s390: Convert LAM, STAM

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Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2012-09-05 09:38:22 -07:00
parent 145cdb4019
commit 7df3e93aa9
2 changed files with 28 additions and 24 deletions
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6
target-s390x/insn-data.def
View File

@ -279,6 +279,9 @@
C(0xeb04, LMG, RSY_a, Z, 0, a2, 0, 0, lm64, 0)
/* LOAD MULTIPLE HIGH */
C(0xeb96, LMH, RSY_a, Z, 0, a2, 0, 0, lmh, 0)
/* LOAD ACCESS MULTIPLE */
C(0x9a00, LAM, RS_a, Z, 0, a2, 0, 0, lam, 0)
C(0xeb9a, LAMY, RSY_a, LD, 0, a2, 0, 0, lam, 0)
/* MOVE */
C(0xe544, MVHHI, SIL, GIE, la1, i2, 0, m1_16, mov2, 0)
@ -389,6 +392,9 @@
D(0xeb24, STMG, RSY_a, Z, 0, a2, 0, 0, stm, 0, 8)
/* STORE MULTIPLE HIGH */
C(0xeb26, STMH, RSY_a, Z, 0, a2, 0, 0, stmh, 0)
/* STORE ACCESS MULTIPLE */
C(0x9b00, STAM, RS_a, Z, 0, a2, 0, 0, stam, 0)
C(0xeb9b, STAMY, RSY_a, LD, 0, a2, 0, 0, stam, 0)
/* SUBTRACT */
C(0x1b00, SR, RR_a, Z, r1, r2, new, r1_32, sub, subs32)

46
target-s390x/translate.c
View File

@ -2233,30 +2233,6 @@ static void disas_s390_insn(CPUS390XState *env, DisasContext *s)
LOG_DISAS("opc 0x%x\n", opc);
switch (opc) {
case 0x9a: /* LAM R1,R3,D2(B2) [RS] */
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
gen_helper_lam(cpu_env, tmp32_1, tmp, tmp32_2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0x9b: /* STAM R1,R3,D2(B2) [RS] */
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp32_1 = tcg_const_i32(r1);
tmp32_2 = tcg_const_i32(r3);
potential_page_fault(s);
gen_helper_stam(cpu_env, tmp32_1, tmp, tmp32_2);
tcg_temp_free_i64(tmp);
tcg_temp_free_i32(tmp32_1);
tcg_temp_free_i32(tmp32_2);
break;
case 0xa8: /* MVCLE R1,R3,D2(B2) [RS] */
insn = ld_code4(env, s->pc);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
@ -3265,6 +3241,17 @@ static ExitStatus op_lpsw(DisasContext *s, DisasOps *o)
}
#endif
static ExitStatus op_lam(DisasContext *s, DisasOps *o)
{
TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3));
potential_page_fault(s);
gen_helper_lam(cpu_env, r1, o->in2, r3);
tcg_temp_free_i32(r1);
tcg_temp_free_i32(r3);
return NO_EXIT;
}
static ExitStatus op_lm32(DisasContext *s, DisasOps *o)
{
int r1 = get_field(s->fields, r1);
@ -3518,6 +3505,17 @@ static ExitStatus op_st64(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
static ExitStatus op_stam(DisasContext *s, DisasOps *o)
{
TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
TCGv_i32 r3 = tcg_const_i32(get_field(s->fields, r3));
potential_page_fault(s);
gen_helper_stam(cpu_env, r1, o->in2, r3);
tcg_temp_free_i32(r1);
tcg_temp_free_i32(r3);
return NO_EXIT;
}
static ExitStatus op_stm(DisasContext *s, DisasOps *o)
{
int r1 = get_field(s->fields, r1);