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s390x/tcg: Implement MULTIPLY HALFWORD (MGH) 

Just like MULTIPLY HALFWORD IMMEDIATE (MGHI), only the second operand
(signed 16 bit) comes from memory.

Signed-off-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20200928122717.30586-6-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
David Hildenbrand 2020-09-28 14:27:13 +02:00 committed by Cornelia Huck
parent fa5e82ccb4
commit 6645e4542f
1 changed files with 1 additions and 0 deletions
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target/s390x/insn-data.def
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@ -669,6 +669,7 @@
/* 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)