From 86dc27e426b3ce9d85443f4792d40cbb807738f1 Mon Sep 17 00:00:00 2001
From: Pierre Pronchery <khorben@defora.org>
Date: Sun, 17 Apr 2011 13:40:58 +0000
Subject: [PATCH] Added the "div" instruction (with differentiation where
 required)

---
 src/arch/i386.ins | 10 ++++++++++
 test/i386.S       |  9 +++++++++
 2 files changed, 19 insertions(+)

diff --git a/src/arch/i386.ins b/src/arch/i386.ins
index 18680f5..ae7b303 100644
--- a/src/arch/i386.ins
+++ b/src/arch/i386.ins
@@ -297,5 +297,15 @@
 /* CDQ		0x99		1					*/
 { "cdq",	0x99,		OP1F, AOT_NONE,   AOT_NONE,  AOT_NONE	},
 #endif
+/* DIV		0xf6 /6		1                 r/m8			*/
+{ "divb",	0xf6,		OP1F, OP_RM8_D0+6,AOT_NONE,  AOT_NONE	},
+{ "divb",	0xf6,		OP1F, OP_RM8_D8+6,AOT_NONE,  AOT_NONE	},
+{ "divb",	0xf6,		OP1F, OP_RM8_DW+6,AOT_NONE,  AOT_NONE	},
+{ "div",	0xf6,		OP1F, OP_RM8_R8+6,AOT_NONE,  AOT_NONE	},
+/* DIV		0xf7 /6		1                 r/mW			*/
+{ "div",	0xf7,		OP1F, OP_RMW_D0+6,AOT_NONE,  AOT_NONE	},
+{ "div",	0xf7,		OP1F, OP_RMW_D8+6,AOT_NONE,  AOT_NONE	},
+{ "div",	0xf7,		OP1F, OP_RMW_DW+6,AOT_NONE,  AOT_NONE	},
+{ "div",	0xf7,		OP1F, OP_RMW_RW+6,AOT_NONE,  AOT_NONE	},
 /* NOP									*/
 { "nop",	0x90,		OP1F, AOT_NONE,   AOT_NONE,  AOT_NONE	},
diff --git a/test/i386.S b/test/i386.S
index f04339d..b88263d 100644
--- a/test/i386.S
+++ b/test/i386.S
@@ -82,4 +82,13 @@
 	cmc					/* f5			*/
 	cpuid					/* 0f a2		*/
 	cdq					/* 0x99			*/
+	/* DIV */
+	divb	[%ecx]				/* f6 31		*/
+	divb	[%eax + $0x02]			/* f6 70 02		*/
+	divb	[%ebx + $0x4012]		/* f6 b3 12 40 00 00	*/
+	div	%dl				/* f6 f2		*/
+	div	[%ecx]				/* f7 31		*/
+	div	[%eax + $0x02]			/* f7 70 02		*/
+	div	[%ebx + $0x4012]		/* f7 b3 12 40 00 00	*/
+	div	%edx				/* f7 f2		*/
 	nop					/* 0x90			*/