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target-alpha: Convert opcode 0x13 to source/sink 

Signed-off-by: Richard Henderson <rth@twiddle.net>
master
Richard Henderson 2014-03-18 23:36:49 -07:00
parent 3bd67b7dab
commit de4d3555fa
1 changed files with 10 additions and 39 deletions
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49
target-alpha/translate.c
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@ -2340,55 +2340,26 @@ static ExitStatus translate_one(DisasContext *ctx, uint32_t insn)
goto invalid_opc;
}
break;
case 0x13:
vc = dest_gpr(ctx, rc);
vb = load_gpr_lit(ctx, rb, lit, islit);
va = load_gpr(ctx, ra);
switch (fn7) {
case 0x00:
/* MULL */
if (likely(rc != 31)) {
if (ra == 31) {
tcg_gen_movi_i64(cpu_ir[rc], 0);
} else {
if (islit) {
tcg_gen_muli_i64(cpu_ir[rc], cpu_ir[ra], lit);
} else {
tcg_gen_mul_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
}
tcg_gen_ext32s_i64(cpu_ir[rc], cpu_ir[rc]);
}
}
tcg_gen_mul_i64(vc, va, vb);
tcg_gen_ext32s_i64(vc, vc);
break;
case 0x20:
/* MULQ */
if (likely(rc != 31)) {
if (ra == 31) {
tcg_gen_movi_i64(cpu_ir[rc], 0);
} else if (islit) {
tcg_gen_muli_i64(cpu_ir[rc], cpu_ir[ra], lit);
} else {
tcg_gen_mul_i64(cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
}
}
tcg_gen_mul_i64(vc, va, vb);
break;
case 0x30:
/* UMULH */
{
TCGv low;
if (unlikely(rc == 31)){
break;
}
if (ra == 31) {
tcg_gen_movi_i64(cpu_ir[rc], 0);
break;
}
low = tcg_temp_new();
if (islit) {
tcg_gen_movi_tl(low, lit);
tcg_gen_mulu2_i64(low, cpu_ir[rc], cpu_ir[ra], low);
} else {
tcg_gen_mulu2_i64(low, cpu_ir[rc], cpu_ir[ra], cpu_ir[rb]);
}
tcg_temp_free(low);
}
tmp = tcg_temp_new();
tcg_gen_mulu2_i64(tmp, vc, va, vb);
tcg_temp_free(tmp);
break;
case 0x40:
/* MULL/V */