added mul instruction with tests

Author: sabrinamanickam

Makefile.am

@@ -207,6 +207,7 @@ TEST_ASM = \
 		  test/movntq.asm \
 		  test/movq.asm \
 		  test/movzx.asm \
+		  test/mul.asm \
 		  test/mulx.asm \
 		  test/neg.asm \
 		  test/negative_mem_disp.asm \

src/instructions.c

@@ -165,7 +165,7 @@ const struct instr_table INSTR_TABLE[] = {
     {{'\0'},        movq,        {vm, vv},   RM,  VECTOR,         NA,  NA,  5,  {0xf3, REX, 0x0f, 0x7e, REG}},
     {"movzx",       movzx,       {rr, rm},   RM,  DATA_TRANSFER,  NA,  NA,  4,  {REX, 0x0f, 0xb6, REG}},
     {"mulpd",       mulpd,       {NA, vv},   RM,  VECTOR,         NA,  NA,  5,  {0x66, REX, 0x0f, 0x59, REG}},
-    {"mul",         mul,         {r,  m},    M,   OPERATION,      NA,  4,   3,  {REX, 0xf7, REG}}
+    {"mul",         mul,         {r,  m},    M,   OPERATION,      NA,  4,   3,  {REX, 0xf7, REG}},
     {"mulx",        mulx,        {rrr, rrm}, RVM, VECTOR_EXT,     NA,  NA,  3,  {VEX(NDD,LZ,XF2,X0F38,W0_W1), 0xf6, REG}},
     {"neg",         neg,         {r,  m},    M,   OTHER,          1,   3,   3,  {REX, 0xf6, REG}},
     {"nop",         nop,         {n,  n},    NA,  OTHER,          NA,  NA,  1,  {NOP}},

test/mul.asm

@@ -0,0 +1,48 @@
+SECTION .text
+GLOBAL test
+test:
+mul rax
+mul rbx
+mul rcx
+mul rdx
+mul rdi
+mul r8
+mul r9
+mul r10
+mul r11
+mul r12
+mul r13
+mul r14
+mul r15
+mul eax
+mul ebx
+mul ecx
+mul edx
+mul edi
+mul r8d
+mul r9d
+mul r10d
+mul r11d
+mul r12d
+mul r13d
+mul r14d
+mul r15d
+mul esp
+mul esi
+mul ebp
+mul ax
+mul bx
+mul cx
+mul dx
+mul di
+mul r8w
+mul r9w
+mul r10w
+mul r11w
+mul r12w
+mul r13w
+mul r14w
+mul r15w
+mul sp
+mul si
+mul bp