microblaze: Clarify expected input of write_carry

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
This commit is contained in:
Edgar E. Iglesias 2013-10-24 22:31:22 +02:00
parent fc8ead7467
commit 04ec7df708

View file

@ -150,6 +150,10 @@ static void read_carry(DisasContext *dc, TCGv d)
tcg_gen_shri_tl(d, cpu_SR[SR_MSR], 31);
}
/*
* write_carry sets the carry bits in MSR based on bit 0 of v.
* v[31:1] are ignored.
*/
static void write_carry(DisasContext *dc, TCGv v)
{
TCGv t0 = tcg_temp_new();