Commit 6c9deca8 authored by Aurelien Jarno's avatar Aurelien Jarno Committed by Richard Henderson

target/s390x: implement MOVE INVERSE

Reviewed-by: 's avatarRichard Henderson <rth@twiddle.net>
Signed-off-by: 's avatarAurelien Jarno <aurelien@aurel32.net>
Message-Id: <20170531220129.27724-11-aurelien@aurel32.net>
Signed-off-by: 's avatarRichard Henderson <rth@twiddle.net>
parent 9c8be598
......@@ -3,6 +3,7 @@ DEF_HELPER_FLAGS_4(nc, TCG_CALL_NO_WG, i32, env, i32, i64, i64)
DEF_HELPER_FLAGS_4(oc, TCG_CALL_NO_WG, i32, env, i32, i64, i64)
DEF_HELPER_FLAGS_4(xc, TCG_CALL_NO_WG, i32, env, i32, i64, i64)
DEF_HELPER_FLAGS_4(mvc, TCG_CALL_NO_WG, void, env, i32, i64, i64)
DEF_HELPER_FLAGS_4(mvcin, TCG_CALL_NO_WG, void, env, i32, i64, i64)
DEF_HELPER_FLAGS_4(clc, TCG_CALL_NO_WG, i32, env, i32, i64, i64)
DEF_HELPER_3(mvcl, i32, env, i32, i32)
DEF_HELPER_FLAGS_4(clm, TCG_CALL_NO_WG, i32, env, i32, i32, i64)
......
......@@ -570,6 +570,8 @@
C(0xe548, MVGHI, SIL, GIE, la1, i2, 0, m1_64, mov2, 0)
C(0x9200, MVI, SI, Z, la1, i2, 0, m1_8, mov2, 0)
C(0xeb52, MVIY, SIY, LD, la1, i2, 0, m1_8, mov2, 0)
/* MOVE INVERSE */
C(0xe800, MVCIN, SS_a, Z, la1, a2, 0, 0, mvcin, 0)
/* MOVE LONG */
C(0x0e00, MVCL, RR_a, Z, 0, 0, 0, 0, mvcl, 0)
/* MOVE LONG EXTENDED */
......
......@@ -231,6 +231,18 @@ void HELPER(mvc)(CPUS390XState *env, uint32_t l, uint64_t dest, uint64_t src)
do_helper_mvc(env, l, dest, src, GETPC());
}
/* move inverse */
void HELPER(mvcin)(CPUS390XState *env, uint32_t l, uint64_t dest, uint64_t src)
{
uintptr_t ra = GETPC();
int i;
for (i = 0; i <= l; i++) {
uint8_t v = cpu_ldub_data_ra(env, src - i, ra);
cpu_stb_data_ra(env, dest + i, v, ra);
}
}
/* compare unsigned byte arrays */
static uint32_t do_helper_clc(CPUS390XState *env, uint32_t l, uint64_t s1,
uint64_t s2, uintptr_t ra)
......
......@@ -2938,6 +2938,14 @@ static ExitStatus op_mvc(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
static ExitStatus op_mvcin(DisasContext *s, DisasOps *o)
{
TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1));
gen_helper_mvcin(cpu_env, l, o->addr1, o->in2);
tcg_temp_free_i32(l);
return NO_EXIT;
}
static ExitStatus op_mvcl(DisasContext *s, DisasOps *o)
{
TCGv_i32 r1 = tcg_const_i32(get_field(s->fields, r1));
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment