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[017/147] target-s390: Implement SUBTRACT HALFWORD

Message ID 1348785610-23418-18-git-send-email-rth@twiddle.net
State New
Headers show

Commit Message

Richard Henderson Sept. 27, 2012, 10:39 p.m. UTC 
Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 target-s390x/insn-data.def | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/target-s390x/insn-data.def b/target-s390x/insn-data.def
index 2acc8f0..44e1ca7 100644
--- a/target-s390x/insn-data.def
+++ b/target-s390x/insn-data.def
@@ -46,6 +46,9 @@ 
     C(0xb9e9, SGRK,    RRF_a, DO,  r2, r3, r1, 0, sub, subs64)
     C(0xe309, SG,      RXY_a, Z,   r1, m2_64, r1, 0, sub, subs64)
     C(0xe319, SGF,     RXY_a, Z,   r1, m2_32s, r1, 0, sub, subs64)
+/* SUBTRACT HALFWORD */
+    C(0x4b00, SH,      RX_a,  Z,   r1, m2_16s, new, r1_32, sub, subs32)
+    C(0xe37b, SHY,     RXY_a, LD,  r1, m2_16s, new, r1_32, sub, subs32)
 /* SUBTRACT LOGICAL */
     C(0x1f00, SLR,     RR_a,  Z,   r1, r2, new, r1_32, sub, subu32)
     C(0xb9fb, SLRK,    RRF_a, DO,  r2, r3, new, r1_32, sub, subu32)