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authorLaurent Vivier <laurent@vivier.eu>2016-01-10 23:53:20 +0100
committerLaurent Vivier <laurent@vivier.eu>2016-10-28 10:38:48 +0200
commitd5a3cf33f2f65069d2f79a6e349f0d8140f02bb4 (patch)
treeeab5a7e6fca8a80b6a232085c8a9dce324f15041 /target-m68k
parent29cf437da4eeacb46cd7076014d06c85ca47c91d (diff)
target-m68k: add addressing modes to scc
Signed-off-by: Laurent Vivier <laurent@vivier.eu> Reviewed-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'target-m68k')
-rw-r--r--target-m68k/translate.c40
1 files changed, 20 insertions, 20 deletions
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index b407623548..e59567360a 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -1008,25 +1008,6 @@ static void gen_jmpcc(DisasContext *s, int cond, TCGLabel *l1)
free_cond(&c);
}
-DISAS_INSN(scc)
-{
- DisasCompare c;
- int cond;
- TCGv reg, tmp;
-
- cond = (insn >> 8) & 0xf;
- gen_cc_cond(&c, s, cond);
-
- tmp = tcg_temp_new();
- tcg_gen_setcond_i32(c.tcond, tmp, c.v1, c.v2);
- free_cond(&c);
-
- reg = DREG(insn, 0);
- tcg_gen_neg_i32(tmp, tmp);
- tcg_gen_deposit_i32(reg, reg, tmp, 0, 8);
- tcg_temp_free(tmp);
-}
-
/* Force a TB lookup after an instruction that changes the CPU state. */
static void gen_lookup_tb(DisasContext *s)
{
@@ -1106,6 +1087,24 @@ static void gen_jmp_tb(DisasContext *s, int n, uint32_t dest)
s->is_jmp = DISAS_TB_JUMP;
}
+DISAS_INSN(scc)
+{
+ DisasCompare c;
+ int cond;
+ TCGv tmp;
+
+ cond = (insn >> 8) & 0xf;
+ gen_cc_cond(&c, s, cond);
+
+ tmp = tcg_temp_new();
+ tcg_gen_setcond_i32(c.tcond, tmp, c.v1, c.v2);
+ free_cond(&c);
+
+ tcg_gen_neg_i32(tmp, tmp);
+ DEST_EA(env, insn, OS_BYTE, tmp, NULL);
+ tcg_temp_free(tmp);
+}
+
DISAS_INSN(undef_mac)
{
gen_exception(s, s->pc - 2, EXCP_LINEA);
@@ -3136,7 +3135,8 @@ void register_m68k_insns (CPUM68KState *env)
INSN(jump, 4ec0, ffc0, M68000);
INSN(addsubq, 5000, f080, M68000);
INSN(addsubq, 5080, f0c0, M68000);
- INSN(scc, 50c0, f0f8, CF_ISA_A);
+ INSN(scc, 50c0, f0f8, CF_ISA_A); /* Scc.B Dx */
+ INSN(scc, 50c0, f0c0, M68000); /* Scc.B <EA> */
INSN(addsubq, 5080, f1c0, CF_ISA_A);
INSN(tpf, 51f8, fff8, CF_ISA_A);