mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

target-s390: Convert CONVERT TO DECIMAL

Browse Source 
Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2012-08-21 14:05:11 -07:00
parent 00574261e1
commit c49daa51a8
2 changed files with 16 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
target-s390x/insn-data.def
View File

@ -131,6 +131,10 @@
C(0xc607, CLHRL, RIL_b, GIE, r1_o, mri2_16u, 0, 0, 0, cmpu32)
C(0xc606, CLGHRL, RIL_b, GIE, r1_o, mri2_16u, 0, 0, 0, cmpu64)
/* CONVERT TO DECIMAL */
C(0x4e00, CVD, RX_a, Z, r1_o, a2, 0, 0, cvd, 0)
C(0xe326, CVDY, RXY_a, LD, r1_o, a2, 0, 0, cvd, 0)
/* DIVIDE */
C(0x1d00, DR, RR_a, Z, r1_D32, r2_32s, new_P, r1_P32, divs32, 0)
C(0x5d00, D, RX_a, Z, r1_D32, m2_32s, new_P, r1_P32, divs32, 0)

24
target-s390x/translate.c
View File

@ -2355,18 +2355,6 @@ static void disas_s390_insn(CPUS390XState *env, DisasContext *s)
LOG_DISAS("opc 0x%x\n", opc);
switch (opc) {
case 0x4e: /* CVD R1,D2(X2,B2) [RX] */
insn = ld_code4(env, s->pc);
tmp = decode_rx(s, insn, &r1, &x2, &b2, &d2);
tmp2 = tcg_temp_new_i64();
tmp32_1 = tcg_temp_new_i32();
tcg_gen_trunc_i64_i32(tmp32_1, regs[r1]);
gen_helper_cvd(tmp2, tmp32_1);
tcg_gen_qemu_st64(tmp2, tmp, get_mem_index(s));
tcg_temp_free_i64(tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i32(tmp32_1);
break;
#ifndef CONFIG_USER_ONLY
case 0x80: /* SSM D2(B2) [S] */
/* Set System Mask */
@ -3363,6 +3351,18 @@ static ExitStatus op_bct64(DisasContext *s, DisasOps *o)
return help_branch(s, &c, is_imm, imm, o->in2);
}
static ExitStatus op_cvd(DisasContext *s, DisasOps *o)
{
TCGv_i64 t1 = tcg_temp_new_i64();
TCGv_i32 t2 = tcg_temp_new_i32();
tcg_gen_trunc_i64_i32(t2, o->in1);
gen_helper_cvd(t1, t2);
tcg_temp_free_i32(t2);
tcg_gen_qemu_st64(t1, o->in2, get_mem_index(s));
tcg_temp_free_i64(t1);
return NO_EXIT;
}
static ExitStatus op_divs32(DisasContext *s, DisasOps *o)
{
gen_helper_divs32(o->out2, cpu_env, o->in1, o->in2);