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target-m68k: add addressing modes to neg 

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Reviewed-by: Richard Henderson <rth@twiddle.net>
master
Laurent Vivier 2016-01-16 23:13:23 +01:00
parent db3d7945ae
commit 227de713e0
1 changed files with 12 additions and 8 deletions
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20
target-m68k/translate.c
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@ -1631,16 +1631,20 @@ DISAS_INSN(move_from_ccr)
DISAS_INSN(neg)
{
TCGv reg;
TCGv src1;
TCGv dest;
TCGv addr;
int opsize;
reg = DREG(insn, 0);
src1 = tcg_temp_new();
tcg_gen_mov_i32(src1, reg);
tcg_gen_neg_i32(reg, src1);
gen_update_cc_add(reg, src1, OS_LONG);
tcg_gen_setcondi_i32(TCG_COND_NE, QREG_CC_X, src1, 0);
set_cc_op(s, CC_OP_SUBL);
opsize = insn_opsize(insn);
SRC_EA(env, src1, opsize, 1, &addr);
dest = tcg_temp_new();
tcg_gen_neg_i32(dest, src1);
set_cc_op(s, CC_OP_SUBB + opsize);
gen_update_cc_add(dest, src1, opsize);
tcg_gen_setcondi_i32(TCG_COND_NE, QREG_CC_X, dest, 0);
DEST_EA(env, insn, opsize, dest, &addr);
tcg_temp_free(dest);
}
static void gen_set_sr_im(DisasContext *s, uint16_t val, int ccr_only)