diff --git a/cc_core.c b/cc_core.c
index e22f8f7..d821650 100644
--- a/cc_core.c
+++ b/cc_core.c
@@ -1005,6 +1005,8 @@ void postfix_expr_array()
  *         - postfix-expr
  *         !postfix-expr
  *         sizeof ( type )
+ *         ++postfix-expr
+ *         --postfix-expr
  */
 struct type* type_name();
 void unary_expr_sizeof()
@@ -1027,6 +1029,44 @@ void unary_expr_sizeof()
 	emit_out("\n");
 }
 
+void unary_expr_increment()
+{
+	if((KNIGHT_POSIX == Architecture) || (KNIGHT_NATIVE == Architecture))  emit_out("LOADI R0 1\n");
+	else if(X86 == Architecture) emit_out("LOAD_IMMEDIATE_eax %1\n");
+	else if(AMD64 == Architecture) emit_out("LOAD_IMMEDIATE_rax %1\n");
+	else if(ARMV7L == Architecture) emit_out("!1 R0 LOADI8_ALWAYS\n");
+	else if(AARCH64 == Architecture) emit_out("SET_X0_TO_1\n");
+	else if(RISCV64 == Architecture) emit_out("RD_A0 !1 ADDI\n");
+
+	common_recursion(primary_expr);
+
+	if((KNIGHT_POSIX == Architecture) || (KNIGHT_NATIVE == Architecture)) emit_out("ADD R0 R0 R1\n");
+	else if(X86 == Architecture) emit_out("ADD_ebx_to_eax\n");
+	else if(AMD64 == Architecture) emit_out("ADD_rbx_to_rax\n");
+	else if(ARMV7L == Architecture) emit_out("'0' R0 R0 ADD R1 ARITH2_ALWAYS\n");
+	else if(AARCH64 == Architecture) emit_out("ADD_X0_X1_X0\n");
+	else if(RISCV64 == Architecture) emit_out("RD_A0 RS1_A1 RS2_A0 ADD\n");
+}
+
+void unary_expr_decrement()
+{
+	if((KNIGHT_POSIX == Architecture) || (KNIGHT_NATIVE == Architecture))  emit_out("LOADI R0 -1\n");
+	else if(X86 == Architecture) emit_out("LOAD_IMMEDIATE_eax %-1\n");
+	else if(AMD64 == Architecture) emit_out("LOAD_IMMEDIATE_rax %-1\n");
+	else if(ARMV7L == Architecture) emit_out("!-1 R0 LOADI8_ALWAYS\n");
+	else if(AARCH64 == Architecture) emit_out("SET_X0_TO_MINUS_1\n");
+	else if(RISCV64 == Architecture) emit_out("RD_A0 !1 ADDI\n");
+
+	common_recursion(primary_expr);
+
+	if((KNIGHT_POSIX == Architecture) || (KNIGHT_NATIVE == Architecture)) emit_out("ADD R0 R0 R1\n");
+	else if(X86 == Architecture) emit_out("ADD_ebx_to_eax\n");
+	else if(AMD64 == Architecture) emit_out("ADD_rbx_to_rax\n");
+	else if(ARMV7L == Architecture) emit_out("'0' R0 R0 ADD R1 ARITH2_ALWAYS\n");
+	else if(AARCH64 == Architecture) emit_out("ADD_X0_X1_X0\n");
+	else if(RISCV64 == Architecture) emit_out("RD_A0 RS1_A1 RS2_A0 SUB\n");
+}
+
 void postfix_expr_stub()
 {
 	require(NULL != global_token, "Unexpected EOF, improperly terminated primary expression\n");
@@ -1294,6 +1334,8 @@ void primary_expr()
 	}
 
 	if(match("sizeof", global_token->s)) unary_expr_sizeof();
+	else if (match("++", global_token->s)) unary_expr_increment();
+	else if (match("--", global_token->s)) unary_expr_decrement();
 	else if('-' == global_token->s[0])
 	{
 		if(X86 == Architecture) emit_out("LOAD_IMMEDIATE_eax %0\n");
diff --git a/test/test.answers b/test/test.answers
index 1aa4ce0..673a1d7 100644
--- a/test/test.answers
+++ b/test/test.answers
@@ -227,9 +227,9 @@ eb1f6aab09a1a4966f9f49a518d8aa03ca97aa7c46e443871d758a306671a85e  test/results/t
 a2cbfd5f76d3be8049c6737e3fa02f191caf29b6885db006fa23f86e6eacc186  test/results/test0106-knight-posix-binary
 d75e450e2fcdf19df63f9d6a3fe5e032933e57b33f6f06b39a8ed2f3dc759f17  test/results/test0106-riscv64-binary
 473cc504d6cba9eaf648abcf15c83a317ff3f4a7f08f5e8936e3b35b2cc4fbc6  test/results/test0106-x86-binary
-7729e3279192002ce69af057534670779b30c7ae0feaef82e11d4c8b74278b94  test/results/test1000-aarch64-binary
-be88d5e1b0c5584192beb7b7380e578925993a636a0e338a319f39b56407a192  test/results/test1000-amd64-binary
-92f9f8134a2213d45919a562160d57f58de94870979af80ff7d52b47c196536f  test/results/test1000-armv7l-binary
-e47006b7829ddfc1a4f1aa545e8a09950e8053ff6841c5d5922a330c8849b384  test/results/test1000-knight-posix-binary
-bbeb55c436f1c26e1cddfb0a47da350219f817017ba0139dbde56392522f4406  test/results/test1000-riscv64-binary
-0891395cd28e6d0adb6feed07b0fce5b8c1245eeb2bf673aa488fe037daf349c  test/results/test1000-x86-binary
+1d29e1fbf41dfcadd1e26706e7dda9102091754b8a4cf933ad8bb5089bb07927  test/results/test1000-aarch64-binary
+e2b6f5340d0fae25312e0e11e8ea5b7897feb42dfe89bcf0fdc2ee00a67441f7  test/results/test1000-amd64-binary
+dd419f09779884c800b0976618d7990bd9fb5efc72dd2551e2acf258af77d94e  test/results/test1000-armv7l-binary
+f8d2ad16e144a1139149d43f12f02b3123543d29c83d12702be9ebeb10bf1cde  test/results/test1000-knight-posix-binary
+387c617a114c3fd1b80c6bee794b8c33ec85a8d7c75fd0f9c55ea07a3f6afbdb  test/results/test1000-riscv64-binary
+cf60a72943ba3e496247ae68b56cd4d5dbf7c18be13d78ced10b2a7e6376d5ee  test/results/test1000-x86-binary
diff --git a/test/test1000/proof.answer b/test/test1000/proof.answer
index 6f7f2ac..6c6849e 100644
--- a/test/test1000/proof.answer
+++ b/test/test1000/proof.answer
@@ -1 +1 @@
-9ee96e67f254dab17c5a2aa697dfd609d1b07103e0a8b873ba3d7e22386a8c3c  test/test1000/proof
+ae6c9ee97d289c2575a969f78425db0fc9230b961bf239b63940fb31a1f5c204  test/test1000/proof