diff mbox series

[v1,4/8] s390x/tcg: Implement MULTIPLY HALFWORD (MGH)

Message ID 20200922103129.12824-5-david@redhat.com
State Superseded
Headers show
Series s390x/tcg: Implement some z14 facilities | expand

Commit Message

David Hildenbrand Sept. 22, 2020, 10:31 a.m. UTC 
Just like MULTIPLY HALFWORD IMMEDIATE (MGHI), only the second operand
(signed 16 bit) comes from memory.

Signed-off-by: David Hildenbrand <david@redhat.com>
---
 target/s390x/insn-data.def | 1 +
 1 file changed, 1 insertion(+)

Comments

Richard Henderson Sept. 25, 2020, 9:39 p.m. UTC | #1 
On 9/22/20 3:31 AM, David Hildenbrand wrote:
> Just like MULTIPLY HALFWORD IMMEDIATE (MGHI), only the second operand
> (signed 16 bit) comes from memory.
> 
> Signed-off-by: David Hildenbrand <david@redhat.com>
> ---
>  target/s390x/insn-data.def | 1 +
>  1 file changed, 1 insertion(+)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~
diff mbox series

Patch

diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index 2b4ad1530d..455efe73da 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -666,6 +666,7 @@ 
 /* MULTIPLY HALFWORD */
     C(0x4c00, MH,      RX_a,  Z,   r1_o, m2_16s, new, r1_32, mul, 0)
     C(0xe37c, MHY,     RXY_a, GIE, r1_o, m2_16s, new, r1_32, mul, 0)
+    C(0xe33c, MGH,     RXY_a, MIE2,r1_o, m2_16s, r1, 0, mul, 0)
 /* MULTIPLY HALFWORD IMMEDIATE */
     C(0xa70c, MHI,     RI_a,  Z,   r1_o, i2, new, r1_32, mul, 0)
     C(0xa70d, MGHI,    RI_a,  Z,   r1_o, i2, r1, 0, mul, 0)