Signed-off-by: Vegard Nossum <vegard.nos...@gmail.com>
---
arch/x86/emit-code.c | 15 +++++++++++++++
arch/x86/include/arch/instruction.h | 1 +
arch/x86/use-def.c | 1 +
3 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/arch/x86/emit-code.c b/arch/x86/emit-code.c
index a7d4da9..4888d2f 100644
--- a/arch/x86/emit-code.c
+++ b/arch/x86/emit-code.c
@@ -750,6 +750,20 @@ static void emit_movsx_16_reg_reg(struct buffer *buf,
struct operand *src,
__emit_reg_reg(buf, 0xbf, mach_reg(&dest->reg), mach_reg(&src->reg));
}
+static void emit_movsx_16_membase_reg(struct buffer *buf,
+ struct operand *src, struct operand *dest)
+{
+ enum machine_reg base_reg, dest_reg;
+ unsigned long disp;
+
+ base_reg = mach_reg(&src->reg);
+ disp = src->disp;
+ dest_reg = mach_reg(&dest->reg);
+
+ emit(buf, 0x0f);
+ __emit_membase_reg(buf, 0xbf, base_reg, disp, dest_reg);
+}
+
static void emit_movzx_16_reg_reg(struct buffer *buf, struct operand *src,
struct operand *dest)
{
@@ -1755,6 +1769,7 @@ struct emitter emitters[] = {
DECL_EMITTER(INSN_MOVSX_8_REG_REG, emit_movsx_8_reg_reg, TWO_OPERANDS),
DECL_EMITTER(INSN_MOVSX_8_MEMBASE_REG, emit_movsx_8_membase_reg,
TWO_OPERANDS),
DECL_EMITTER(INSN_MOVSX_16_REG_REG, emit_movsx_16_reg_reg,
TWO_OPERANDS),
+ DECL_EMITTER(INSN_MOVSX_16_MEMBASE_REG, emit_movsx_16_membase_reg,
TWO_OPERANDS),
DECL_EMITTER(INSN_MOVZX_16_REG_REG, emit_movzx_16_reg_reg,
TWO_OPERANDS),
DECL_EMITTER(INSN_MUL_MEMBASE_EAX, emit_mul_membase_eax, TWO_OPERANDS),
DECL_EMITTER(INSN_MUL_REG_EAX, emit_mul_reg_eax, TWO_OPERANDS),
diff --git a/arch/x86/include/arch/instruction.h
b/arch/x86/include/arch/instruction.h
index 05073a7..1932e47 100644
--- a/arch/x86/include/arch/instruction.h
+++ b/arch/x86/include/arch/instruction.h
@@ -138,6 +138,7 @@ enum insn_type {
INSN_MOVSX_8_REG_REG,
INSN_MOVSX_8_MEMBASE_REG,
INSN_MOVSX_16_REG_REG,
+ INSN_MOVSX_16_MEMBASE_REG,
INSN_MOVZX_16_REG_REG,
INSN_MUL_MEMBASE_EAX,
INSN_MUL_REG_EAX,
diff --git a/arch/x86/use-def.c b/arch/x86/use-def.c
index 074d5c4..f5f0a35 100644
--- a/arch/x86/use-def.c
+++ b/arch/x86/use-def.c
@@ -121,6 +121,7 @@ static struct insn_info insn_infos[] = {
DECLARE_INFO(INSN_MOVSX_8_REG_REG, USE_SRC | DEF_DST),
DECLARE_INFO(INSN_MOVSX_8_MEMBASE_REG, USE_SRC | DEF_DST),
DECLARE_INFO(INSN_MOVSX_16_REG_REG, USE_SRC | DEF_DST),
+ DECLARE_INFO(INSN_MOVSX_16_MEMBASE_REG, USE_SRC | DEF_DST),
DECLARE_INFO(INSN_MOVZX_16_REG_REG, USE_SRC | DEF_DST),
DECLARE_INFO(INSN_MUL_MEMBASE_EAX, USE_SRC | DEF_DST | DEF_xDX |
DEF_xAX),
DECLARE_INFO(INSN_MUL_REG_EAX, USE_SRC | USE_DST | DEF_DST | DEF_xDX |
DEF_xAX),
--
1.6.0.6
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