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[Qemu-devel] [PATCH] m68k: fix subx mem, mem instruction
From: |
Pavel Dovgalyuk |
Subject: |
[Qemu-devel] [PATCH] m68k: fix subx mem, mem instruction |
Date: |
Wed, 18 Apr 2018 09:41:53 +0300 |
User-agent: |
StGit/0.17.1-dirty |
This patch fixes decrement of the pointers for subx mem, mem instructions.
Without the patch pointers are decremented by OS_* constant value instead of
retrieving the corresponding data size and using it as a decrement.
Signed-off-by: Pavel Dovgalyuk <address@hidden>
---
target/m68k/translate.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/target/m68k/translate.c b/target/m68k/translate.c
index 6beaf9e..e407ba2 100644
--- a/target/m68k/translate.c
+++ b/target/m68k/translate.c
@@ -3166,11 +3166,11 @@ DISAS_INSN(subx_mem)
opsize = insn_opsize(insn);
addr_src = AREG(insn, 0);
- tcg_gen_subi_i32(addr_src, addr_src, opsize);
+ tcg_gen_subi_i32(addr_src, addr_src, opsize_bytes(opsize));
src = gen_load(s, opsize, addr_src, 1, IS_USER(s));
addr_dest = AREG(insn, 9);
- tcg_gen_subi_i32(addr_dest, addr_dest, opsize);
+ tcg_gen_subi_i32(addr_dest, addr_dest, opsize_bytes(opsize));
dest = gen_load(s, opsize, addr_dest, 1, IS_USER(s));
gen_subx(s, src, dest, opsize);
- [Qemu-devel] [PATCH] m68k: fix subx mem, mem instruction,
Pavel Dovgalyuk <=