[Qemu-devel] [PATCH 018/111] m68k: add word data size for suba/adda

[Bryce Lanham]

From: Laurent Vivier <address@hidden>

Allows suba and adda to manage word sized effective address, and attach
them to M68000 feature.

Signed-off-by: Andreas Schwab <address@hidden>
Signed-off-by: Laurent Vivier <address@hidden>
---
 target-m68k/translate.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index 74faabf..0321349 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -1881,7 +1881,7 @@ DISAS_INSN(suba)
     TCGv src;
     TCGv reg;
 
-    SRC_EA(src, OS_LONG, 0, NULL);
+    SRC_EA(src, (insn & 0x100) ? OS_LONG : OS_WORD, -1, NULL);
     reg = AREG(insn, 9);
     tcg_gen_sub_i32(reg, reg, src);
 }
@@ -1991,7 +1991,7 @@ DISAS_INSN(adda)
     TCGv src;
     TCGv reg;
 
-    SRC_EA(src, OS_LONG, 0, NULL);
+    SRC_EA(src, (insn & 0x100) ? OS_LONG : OS_WORD, -1, NULL);
     reg = AREG(insn, 9);
     tcg_gen_add_i32(reg, reg, src);
 }
@@ -3109,6 +3109,7 @@ void register_m68k_insns (CPUM68KState *env)
     INSN(subx,      9180, f1f8, CF_ISA_A);
     INSN(subx,      9100, f138, M68000);
     INSN(suba,      91c0, f1c0, CF_ISA_A);
+    INSN(suba,      90c0, f0c0, M68000);
 
     INSN(undef_mac, a000, f000, CF_ISA_A);
     INSN(undef_mac, a000, f000, M68000);
@@ -3144,6 +3145,7 @@ void register_m68k_insns (CPUM68KState *env)
     INSN(addx,      d180, f1f8, CF_ISA_A);
     INSN(addx,      d100, f138, M68000);
     INSN(adda,      d1c0, f1c0, CF_ISA_A);
+    INSN(adda,      d0c0, f0c0, M68000);
     INSN(shift_im,  e080, f0f0, CF_ISA_A);
     INSN(shift_reg, e0a0, f0f0, CF_ISA_A);
     INSN(shift_im,    e080, f0f0, M68000);
-- 
1.7.2.3