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authorEdgar E. Iglesias <edgar.iglesias@gmail.com>2013-10-24 22:31:22 +0200
committerEdgar E. Iglesias <edgar.iglesias@gmail.com>2013-10-24 22:32:55 +0200
commit04ec7df7085b71894f18668c5164370547eb2e76 (patch)
treea0fb30fa29c8613f4390a8cbfd2787ba5c177359 /target-microblaze
parentfc8ead74674b7129e8f31c2595c76658e5622197 (diff)
microblaze: Clarify expected input of write_carry
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Diffstat (limited to 'target-microblaze')
-rw-r--r--target-microblaze/translate.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/target-microblaze/translate.c b/target-microblaze/translate.c
index 1b937b3f0d..76b25704ba 100644
--- a/target-microblaze/translate.c
+++ b/target-microblaze/translate.c
@@ -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();