#
# NOTE: rd_constructor and args are only optional if and only if arity is 0,1,2 or 3
-%reg_classes = (
- "general_purpose" => [
- { "name" => "eax", "type" => 0 },
- { "name" => "ebx", "type" => 0 },
- { "name" => "ecx", "type" => 0 },
- { "name" => "edx", "type" => 0 },
- { "name" => "edi", "type" => 0 },
- { "name" => "esi", "type" => 0 },
- { "name" => "ebp", "type" => 0 }
- ],
- "floating_point" => [
- { "name" => "xmm0", "type" => 0 },
- { "name" => "xmm1", "type" => 0 },
- { "name" => "xmm2", "type" => 0 },
- { "name" => "xmm3", "type" => 0 },
- { "name" => "xmm4", "type" => 0 },
- { "name" => "xmm5", "type" => 0 },
- { "name" => "xmm6", "type" => 0 },
- { "name" => "xmm7", "type" => 0 },
- ],
- "flag_register" => [
- { "name" => "eflags", "type" => 0 }
- ]
-); # %reg_classes
-
#--------------------------------------------------#
# _ #
# (_) #
# commutative operations
"Add" => {
- "op_flags" => "C",
- "arity" => 2,
- "remat" => 1,
- "comment" => "construct Add: Add(a, b) = Add(b, a) = a + b",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. addl %s2, %d1\t\t\t/* Add(%s1, %s2) -> %d1 */'
+ "op_flags" => "C",
+ "arity" => 2,
+ "comment" => "construct Add: Add(a, b) = Add(b, a) = a + b",
+ "emit" => '. addl %s2, %d1\t\t\t/* Add(%s1, %s2) -> %d1 */'
},
"Add_i" => {
- "arity" => 1,
- "remat" => 1,
- "comment" => "construct Add: Add(a, const) = Add(const, a) = a + const",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. addl %c, %d1\t\t\t/* Add(%c, %s1) -> %d1 */'
+ "arity" => 1,
+ "comment" => "construct Add: Add(a, const) = Add(const, a) = a + const",
+ "emit" => '. addl %c, %d1\t\t\t/* Add(%c, %s1) -> %d1 */'
},
"Mul" => {
- "op_flags" => "C",
- "arity" => 2,
- "comment" => "construct Mul: Mul(a, b) = Mul(b, a) = a * b",
- "reg_req" => { "in" => [ "eax", "general_purpose" ], "out" => [ "eax" ] },
- "emit" =>
+ "op_flags" => "C",
+ "arity" => 2,
+ "comment" => "construct Mul: Mul(a, b) = Mul(b, a) = a * b",
+ "emit" =>
' if (mode_is_signed(get_irn_mode(n))) {
4. imull %s2\t\t\t/* signed Mul(%s1, %s2) -> %d1 */
}
},
"Mul_i" => {
- "state" => "pinned",
- "arity" => 1,
- "comment" => "construct Mul: Mul(a, const) = Mul(const, a) = a * const",
-# "reg_req" => { "in" => [ "eax" ], "out" => [ "eax" ] },
- "reg_req" => { "in" => [ "!eax" ], "out" => [ "eax" ] },
- "emit" =>
+ "state" => "pinned",
+ "arity" => 1,
+ "comment" => "construct Mul: Mul(a, const) = Mul(const, a) = a * const",
+ "emit" =>
' if (mode_is_signed(get_irn_mode(n))) {
4. imull %c\t\t\t/* signed Mul(%c, %s1) -> %d1 */
}
},
"Mulh" => {
- "op_flags" => "C",
- "arity" => 2,
- "comment" => "construct Mulh: Mulh(a, b) = Mulh(b, a) = get_32_highest_bits(a * b)",
- "reg_req" => { "in" => [ "eax", "general_purpose" ], "out" => [ "edx" ] },
- "emit" =>
+ "op_flags" => "C",
+ "arity" => 2,
+ "comment" => "construct Mulh: Mulh(a, b) = Mulh(b, a) = get_32_highest_bits(a * b)",
+ "emit" =>
' if (mode_is_signed(get_irn_mode(n))) {
4. imull %s2\t\t\t/* signed Mulh(%s1, %s2) -> %d1 */
}
},
"Mulh_i" => {
- "state" => "pinned",
- "arity" => 1,
- "comment" => "construct Mulh: Mulh(a, const) = Mulh(const, a) = get_32_highest_bits(a * const)",
- "reg_req" => { "in" => [ "eax" ], "out" => [ "edx" ] },
- "emit" =>
+ "state" => "pinned",
+ "arity" => 1,
+ "comment" => "construct Mulh: Mulh(a, const) = Mulh(const, a) = get_32_highest_bits(a * const)",
+ "emit" =>
' if (mode_is_signed(get_irn_mode(n))) {
4. imull %c\t\t\t/* signed Mulh(%c, %s1) -> %d1 */
}
},
"And" => {
- "op_flags" => "C",
- "arity" => 2,
- "remat" => 1,
- "comment" => "construct And: And(a, b) = And(b, a) = a AND b",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. andl %s2, %d1\t\t\t/* And(%s1, %s2) -> %d1 */'
+ "op_flags" => "C",
+ "arity" => 2,
+ "comment" => "construct And: And(a, b) = And(b, a) = a AND b",
+ "emit" => '. andl %s2, %d1\t\t\t/* And(%s1, %s2) -> %d1 */'
},
"And_i" => {
- "arity" => 1,
- "remat" => 1,
- "comment" => "construct And: And(a, const) = And(const, a) = a AND const",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. andl %c, %d1\t\t\t/* And(%c, %s1) -> %d1 */'
+ "arity" => 1,
+ "comment" => "construct And: And(a, const) = And(const, a) = a AND const",
+ "emit" => '. andl %c, %d1\t\t\t/* And(%c, %s1) -> %d1 */'
},
"Or" => {
- "op_flags" => "C",
- "arity" => 2,
- "remat" => 1,
- "comment" => "construct Or: Or(a, b) = Or(b, a) = a OR b",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. orl %s2, %d1\t\t\t/* Or(%s1, %s2) -> %d1 */'
+ "op_flags" => "C",
+ "arity" => 2,
+ "comment" => "construct Or: Or(a, b) = Or(b, a) = a OR b",
+ "emit" => '. orl %s2, %d1\t\t\t/* Or(%s1, %s2) -> %d1 */'
},
"Or_i" => {
- "arity" => 1,
- "remat" => 1,
- "comment" => "construct Or: Or(a, const) = Or(const, a) = a OR const",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. orl %c, %d1\t\t\t/* Or(%c, %s1) -> %d1 */'
+ "arity" => 1,
+ "comment" => "construct Or: Or(a, const) = Or(const, a) = a OR const",
+ "emit" => '. orl %c, %d1\t\t\t/* Or(%c, %s1) -> %d1 */'
},
"Eor" => {
- "op_flags" => "C",
- "arity" => 2,
- "remat" => 1,
- "comment" => "construct Eor: Eor(a, b) = Eor(b, a) = a EOR b",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. xorl %s2, %d1\t\t\t/* Xor(%s1, %s2) -> %d1 */'
+ "op_flags" => "C",
+ "arity" => 2,
+ "comment" => "construct Eor: Eor(a, b) = Eor(b, a) = a EOR b",
+ "emit" => '. xorl %s2, %d1\t\t\t/* Xor(%s1, %s2) -> %d1 */'
},
"Eor_i" => {
- "arity" => 1,
- "remat" => 1,
- "comment" => "construct Eor: Eor(a, const) = Eor(const, a) = a EOR const",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. xorl %c, %d1\t\t\t/* Xor(%c, %s1) -> %d1 */'
+ "arity" => 1,
+ "comment" => "construct Eor: Eor(a, const) = Eor(const, a) = a EOR const",
+ "emit" => '. xorl %c, %d1\t\t\t/* Xor(%c, %s1) -> %d1 */'
},
"Max" => {
- "op_flags" => "C",
- "arity" => 2,
- "remat" => 1,
- "comment" => "construct Max: Max(a, b) = Max(b, a) = a > b ? a : b",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" =>
-'2. cmpl %s2, %s1\t\t\t/* prepare Max (%s1 should be %d1) */
+ "op_flags" => "C",
+ "arity" => 2,
+ "comment" => "construct Max: Max(a, b) = Max(b, a) = a > b ? a : b",
+ "emit" =>
+'2. cmpl %s2, %s1\t\t\t/* prepare Max */
if (mode_is_signed(get_irn_mode(n))) {
-4. cmovl %s2, %d1\t\t\t/* %s1 is less %s2 */
+2. cmovg %s1, %d1\t\t\t/* Max(%s1, %s2) -> %d1 */
}
else {
-4. cmovb %s2, %d1\t\t\t/* %s1 is below %s2 */
+2. cmova %s1, %d1\t\t\t/* Max(%s1, %s2) -> %d1 */
}
'
},
"Min" => {
- "op_flags" => "C",
- "arity" => 2,
- "remat" => 1,
- "comment" => "construct Min: Min(a, b) = Min(b, a) = a < b ? a : b",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" =>
-'2. cmpl %s2, %s1\t\t\t/* prepare Min (%s1 should be %d1) */
+ "op_flags" => "C",
+ "arity" => 2,
+ "comment" => "construct Min: Min(a, b) = Min(b, a) = a < b ? a : b",
+ "emit" =>
+'2. cmpl %s2, %s1\t\t\t/* prepare Min (%s1 - %s2) */
if (mode_is_signed(get_irn_mode(n))) {
-2. cmovg %s2, %d1\t\t\t/* %s1 is greater %s2 */
+2. cmovl %s1, %d1\t\t\t/* Min(%s1, %s2) -> %d1 */
}
else {
-2. cmova %s2, %d1\t\t\t/* %s1 is above %s2 */
+2. cmovb %s1, %d1\t\t\t/* Min(%s1, %s2) -> %d1 */
}
'
},
# not commutative operations
"Sub" => {
- "arity" => 2,
- "remat" => 1,
- "comment" => "construct Sub: Sub(a, b) = a - b",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. subl %s2, %d1\t\t\t/* Sub(%s1, %s2) -> %d1 */'
+ "arity" => 2,
+ "comment" => "construct Sub: Sub(a, b) = a - b",
+ "emit" => '. subl %s2, %s1\t\t\t/* Sub(%s1, %s2) -> %d1 */'
},
"Sub_i" => {
- "arity" => 1,
- "remat" => 1,
- "comment" => "construct Sub: Sub(a, const) = a - const",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. subl %c, %d1\t\t\t/* Sub(%s1, %c) -> %d1 */'
+ "arity" => 1,
+ "comment" => "construct Sub: Sub(a, const) = a - const",
+ "emit" => '. subl %c, %s1\t\t\t/* Sub(%s1, %c) -> %d1 */'
},
-"DivMod" => {
- "arity" => 3,
- "comment" => "construct DivMod: DivMod(a,b) = (a / b, a % b)",
- "reg_req" => { "in" => [ "eax", "general_purpose", "edx" ], "out" => [ "eax", "edx" ] },
- "emit" =>
+"Mod" => {
+ "arity" => 2,
+ "comment" => "construct Mod: Mod(a, b) = a % b",
+ "emit" =>
' if (mode_is_signed(get_irn_mode(n))) {
+4. cltd\t\t\t/* sign extend EAX -> EDX:EAX */\n
4. idivl %s2\t\t\t/* signed Mod(%s1, %s2) -> %d1 */
}
else {
+4. xorl edx, edx\t\t\t/* EDX = 0 */
4. divl %s2\t\t\t/* unsigned Mod(%s1, %s2) -> %d1 */
}
-',
- "args" => [
- { "type" => "ir_node *", "name" => "divisor" },
- { "type" => "ir_node *", "name" => "dividend" },
- { "type" => "divmod_flavour_t", "name" => "dm_flav" }, # flavours (flavour_Div, flavour_Mod, flavour_DivMod)
- { "type" => "ir_mode *", "name" => "mode" },
- ],
- "rd_constructor" =>
-" ir_node *res;
- ir_node *in[3];
-
- if (!op_ia32_DivMod) assert(0);
+'
+},
- in[1] = dividend;
- if (mode_is_signed(mode)) {
- ir_node *cltd;
- /* in signed mode , we need to sign extend the divisor */
- cltd = new_rd_ia32_Cltd(db, current_ir_graph, block, divisor, mode_T);
- in[0] = new_rd_Proj(db, current_ir_graph, block, cltd, mode, pn_EAX);
- in[2] = new_rd_Proj(db, current_ir_graph, block, cltd, mode, pn_EDX);
+"DivMod" => {
+ "arity" => 2,
+ "comment" => "construct DivMod: DivMod(a,b) = (a / b, a % b)",
+ "emit" =>
+' if (mode_is_signed(get_irn_mode(n))) {
+4. cltd\t\t\t/* sign extend EAX -> EDX:EAX */\n
+4. idivl %s2\t\t\t/* signed DivMod(%s1, %s2) -> (%d1:%d2) (Div, Mod) */
}
else {
- in[0] = divisor;
- in[2] = new_rd_ia32_Const(dbg, current_ir_graph, block, mode);
- set_Const_type(in[2], asmop_Const);
- set_Immop_tarval(in[2], get_tarval_null(mode_Iu));
+4. xorl edx, edx\t\t\t/* EDX = 0 */
+4. divl %s2\t\t\t/* unsigned DivMod(%s1, %s2) -> (%d1:%d2) (Div, Mod) */
}
+'
+},
- res = new_ir_node(db, irg, block, op_ia32_DivMod, mode, 1, in);
- res = optimize_node(res);
- irn_vrfy_irg(res, irg);
-
- set_DivMod_flavour(dm_flav);
-
- return res;
-"
+"Div" => {
+ "arity" => 2,
+ "comment" => "construct Div: Div(a, b) = a / b",
+ "emit" =>
+' if (mode_is_signed(get_irn_mode(n))) {
+4. cltd\t\t\t/* sign extend EAX -> EDX:EAX */\n
+4. idivl %s2\t\t\t/* signed Div(%s1, %s2) -> %d1 */
+ }
+ else {
+4. xorl edx, edx\t\t\t/* EDX = 0 */
+4. divl %s2\t\t\t/* unsigned Div(%s1, %s2) -> %d1 */
+ }
+'
},
"Shl" => {
- "arity" => 2,
- "remat" => 1,
- "comment" => "construct Shl: Shl(a, b) = a << b",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. shll %s2, %d1\t\t\t/* Shl(%s1, %s2) -> %d1 */'
+ "arity" => 2,
+ "comment" => "construct Shl: Shl(a, b) = a << b",
+ "emit" => '. shll %s2, %d1\t\t\t/* Shl(%s1, %s2) -> %d1 */'
},
"Shl_i" => {
- "arity" => 1,
- "remat" => 1,
- "comment" => "construct Shl: Shl(a, const) = a << const",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. shll %c, %d1\t\t\t/* Shl(%s1, %c) -> %d1 */'
+ "arity" => 1,
+ "comment" => "construct Shl: Shl(a, const) = a << const",
+ "emit" => '. shll %c, %d1\t\t\t/* Shl(%s1, %c) -> %d1 */'
},
"Shr" => {
- "arity" => 2,
- "remat" => 1,
- "comment" => "construct Shr: Shr(a, b) = a >> b",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. shrl %s2, %d1\t\t\t/* Shr(%s1, %s2) -> %d1 */'
+ "arity" => 2,
+ "comment" => "construct Shr: Shr(a, b) = a >> b",
+ "emit" => '. shrl %s2, %d1\t\t\t/* Shr(%s1, %s2) -> %d1 */'
},
"Shr_i" => {
- "arity" => 1,
- "remat" => 1,
- "comment" => "construct Shr: Shr(a, const) = a >> const",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. shrl %c, %d1\t\t\t/* Shr(%s1, %c) -> %d1 */'
+ "arity" => 1,
+ "comment" => "construct Shr: Shr(a, const) = a >> const",
+ "emit" => '. shrl %c, %d1\t\t\t/* Shr(%s1, %c) -> %d1 */'
},
"Shrs" => {
- "arity" => 2,
- "remat" => 1,
- "comment" => "construct Shrs: Shrs(a, b) = a >> b",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. sarl %s2, %d1\t\t\t/* Shrs(%s1, %s2) -> %d1 */'
+ "arity" => 2,
+ "comment" => "construct Shrs: Shrs(a, b) = a >> b",
+ "emit" => '. sarl %s2, %d1\t\t\t/* Shrs(%s1, %s2) -> %d1 */'
},
"Shrs_i" => {
- "arity" => 1,
- "remat" => 1,
- "comment" => "construct Shrs: Shrs(a, const) = a >> const",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. sarl %c, %d1\t\t\t/* Shrs(%s1, %c) -> %d1 */'
+ "arity" => 1,
+ "comment" => "construct Shrs: Shrs(a, const) = a >> const",
+ "emit" => '. sarl %c, %d1\t\t\t/* Shrs(%s1, %c) -> %d1 */'
},
"RotR" => {
- "arity" => 2,
- "remat" => 1,
- "comment" => "construct RotR: RotR(a, b) = a ROTR b",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. rorl %s2, %d1\t\t\t/* RotR(%s1, %s2) -> %d1 */'
+ "arity" => 2,
+ "comment" => "construct RotR: RotR(a, b) = a ROTR b",
+ "emit" => '. rorl %s2, %d1\t\t\t/* RotR(%s1, %s2) -> %d1 */'
+},
+
+"RotR_i" => {
+ "arity" => 1,
+ "comment" => "construct RotR: RotR(a, const) = a ROTR const",
+ "emit" => '. rorl %c, %d1\t\t\t/* RotR(%s1, %c) -> %d1 */'
},
"RotL" => {
- "arity" => 2,
- "remat" => 1,
- "comment" => "construct RotL: RotL(a, b) = a ROTL b",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. roll %s2, %d1\t\t\t/* RotL(%s1, %s2) -> %d1 */'
+ "arity" => 2,
+ "comment" => "construct RotL: RotL(a, b) = a ROTL b",
+ "emit" => '. roll %s2, %d1\t\t\t/* RotL(%s1, %s2) -> %d1 */'
},
"RotL_i" => {
- "arity" => 1,
- "remat" => 1,
- "comment" => "construct RotL: RotL(a, const) = a ROTL const",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. roll %c, %d1\t\t\t/* RotL(%s1, %c) -> %d1 */'
+ "arity" => 1,
+ "comment" => "construct RotL: RotL(a, const) = a ROTL const",
+ "emit" => '. roll %c, %d1\t\t\t/* RotL(%s1, %c) -> %d1 */'
},
"Minus" => {
- "arity" => 1,
- "remat" => 1,
- "comment" => "construct Minus: Minus(a) = -a",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. negl %d1\t\t\t/* Neg(%s1) -> %d1 */'
+ "arity" => 1,
+ "comment" => "construct Minus: Minus(a) = -a",
+ "emit" => '. negl %d1\t\t\t/* Neg(%s1) -> %d1 */'
},
"Inc" => {
- "arity" => 1,
- "remat" => 1,
- "comment" => "construct Increment: Inc(a) = a++",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. incl %d1\t\t\t/* Inc(%s1) -> %d1 */'
+ "arity" => 1,
+ "comment" => "construct Increment: Inc(a) = a++",
+ "emit" => '. incl %d1\t\t\t/* Inc(%s1) -> %d1 */'
},
"Dec" => {
- "arity" => 1,
- "remat" => 1,
- "comment" => "construct Decrement: Dec(a) = a--",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. decl %d1\t\t\t/* Dec(%s1) -> %d1 */'
+ "arity" => 1,
+ "comment" => "construct Decrement: Dec(a) = a--",
+ "emit" => '. decl %d1\t\t\t/* Dec(%s1) -> %d1 */'
+},
+
+"Abs" => {
+ "arity" => 1,
+ "comment" => "construct Abs: Abs(a) = |a|",
+ "emit" =>
+'2. cdq\t\t\t/* Abs: EAX->EDX:EAX */
+2. xorl %%edx, %%eax\t\t\t/* Abs: one-completent */
+2. subl %%edx, %%eax\t\t\t/* Abs: two-complement */
+'
},
"Not" => {
- "arity" => 1,
- "remat" => 1,
- "comment" => "construct Not: Not(a) = !a",
- "check_inout" => 1,
- "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "in_s1" ] },
- "emit" => '. notl %d1\t\t\t/* Not(%s1) -> %d1 */'
+ "arity" => 1,
+ "comment" => "construct Not: Not(a) = !a",
+ "emit" => '. notl %d1\t\t\t/* Not(%s1) -> %d1 */'
},
# other operations
"Conv" => {
"arity" => 1,
- "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "in_s1" ] },
"comment" => "construct Conv: Conv(a) = (conv)a"
},
"op_flags" => "C",
"arity" => 2,
"comment" => "construct Cmp: Cmp(a, b) = a CMP b",
- "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "flag_register" ] },
"emit" => '. cmpl %s2, %s1\t\t\t/* Cmp(%s1, %s2) -> flags */'
},
"Cmp_i" => {
"arity" => 1,
"comment" => "construct Cmp: Cmp(a, const) = Cmp(const, a) = a CMP const",
- "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "flag_register" ] },
"emit" => '. cmpl %c, %s1\t\t\t/* Cmp(%s1, %c) -> flags */'
},
-"Cond" => {
- "arity" => 1,
- "comment" => "construct Cond: evaluate Cmp node",
- "reg_req" => { "in" => [ "flag_register" ] }
-},
-
-"Const" => {
- "arity" => "0",
- "remat" => 1,
- "comment" => "represents an integer constant",
- "reg_req" => { "out" => [ "general_purpose" ] }
-},
-
-"Cltd" => {
- "arity" => 1,
- "remat" => 1,
- "comment" => "construct Cltd: sign extend EAX -> EDX:EAX",
- "reg_req" => { "in" => [ "eax" ], "out" => [ "eax", "edx" ] },
- "emit" => '. cltd\t\t\t/* sign extend EAX -> EDX:EAX */'
-},
-
# Load / Store
"Load" => {
"arity" => 2,
- "remat" => 1,
"comment" => "construct Load: Load(mem-edge, ptr) = LD ptr",
- "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "general_purpose" ] },
"emit" => '. movl (%s1), %d1\t\t\t/* Load((%s1)) -> %d1 */'
},
"Store" => {
"arity" => 3,
- "remat" => 1,
"comment" => "construct Store: Store(mem-edge, ptr, val) = ST ptr,val",
- "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "general_purpose" ] },
"emit" => '. movl %s1, (%d1)\t\t\t/* Store(%s1) -> (%d1) */'
},
"Lea" => {
"arity" => 2,
"comment" => "construct Lea: Lea(a,b) = lea offs(a,b,const) | res = a + b * const + offs with const = 0,1,2,4,8",
- "reg_req" => { "in" => [ "general_purpose", "general_purpose" ], "out" => [ "general_purpose" ] },
"emit" => '. leal %o(%s1, %s2, %c), %d1\t\t\t/* %d1 = %s1 + %s2 << %c + %o */'
},
"Lea_i" => {
"arity" => 1,
"comment" => "construct Lea: Lea(a) = lea offs(a) | res = a + offs",
- "reg_req" => { "in" => [ "general_purpose" ], "out" => [ "general_purpose" ] },
"emit" => '. leal %c(%s1), %d1\t\t\t/* %d1 = %s1 + %c */'
},
"Call" => {
"arity" => 1,
- "spill" => 0,
"comment" => "construct Call: Call(...)",
"args" => [ { "type" => "ir_node *", "name" => "old_call" } ],
"rd_constructor" =>
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