--- /dev/null
+#include "iredges.h"
+#include "emitter.h"
+
+char *get_dest_reg_name(ir_node *n, int num) {
+}
+
+char *get_source_reg_name(ir_node *n, int num) {
+}
+
+char *node_const_to_str(ir_node *n) {
+}
+
+char *node_offset_to_str(ir_node *n) {
+}
+
+void equalize_dest_src(ir_node *n) {
+ if (get_dest_reg(n, 1) != get_source_reg(n, 1))
+ fprintf("\tmovl %%%s, %%%s\t\t\t/* src -> dest for 2 address code */\n", get_source_reg_name(n, 1), get_dest_reg_name(n, 1));
+}
+
+/*
+ * coding of conditions
+ */
+struct cmp2conditon_t {
+ const char *name;
+ pn_Cmp num;
+};
+
+/*
+ * positive conditions for signed compares
+ */
+static const struct cmp2conditon_t cmp2condition_s[] = {
+ { NULL, pn_Cmp_False }, /* always false */
+ { "e", pn_Cmp_Eq }, /* == */
+ { "l", pn_Cmp_Lt }, /* < */
+ { "le", pn_Cmp_Le }, /* <= */
+ { "g", pn_Cmp_Gt }, /* > */
+ { "ge", pn_Cmp_Ge }, /* >= */
+ { "ne", pn_Cmp_Lg }, /* != */
+ { "ordered", pn_Cmp_Leg }, /* Floating point: ordered */
+ { "unordered", pn_Cmp_Uo }, /* FLoting point: unordered */
+ { "unordered or ==", pn_Cmp_Ue }, /* Floating point: unordered or == */
+ { "unordered or <", pn_Cmp_Ul }, /* Floating point: unordered or < */
+ { "unordered or <=", pn_Cmp_Ule }, /* Floating point: unordered or <= */
+ { "unordered or >", pn_Cmp_Ug }, /* Floating point: unordered or > */
+ { "unordered or >=", pn_Cmp_Uge }, /* Floating point: unordered or >= */
+ { "unordered or !=", pn_Cmp_Ne }, /* Floating point: unordered or != */
+ { NULL, pn_Cmp_True }, /* always true */
+};
+
+/*
+ * positive conditions for unsigned compares
+ */
+static const struct cmp2conditon_t cmp2condition_u[] = {
+ { NULL, pn_Cmp_False }, /* always false */
+ { "e", pn_Cmp_Eq }, /* == */
+ { "b", pn_Cmp_Lt }, /* < */
+ { "be", pn_Cmp_Le }, /* <= */
+ { "a", pn_Cmp_Gt }, /* > */
+ { "ae", pn_Cmp_Ge }, /* >= */
+ { "ne", pn_Cmp_Lg }, /* != */
+ { "ordered", pn_Cmp_Leg }, /* Floating point: ordered */
+ { "unordered", pn_Cmp_Uo }, /* FLoting point: unordered */
+ { "unordered or ==", pn_Cmp_Ue }, /* Floating point: unordered or == */
+ { "unordered or <", pn_Cmp_Ul }, /* Floating point: unordered or < */
+ { "unordered or <=", pn_Cmp_Ule }, /* Floating point: unordered or <= */
+ { "unordered or >", pn_Cmp_Ug }, /* Floating point: unordered or > */
+ { "unordered or >=", pn_Cmp_Uge }, /* Floating point: unordered or >= */
+ { "unordered or !=", pn_Cmp_Ne }, /* Floating point: unordered or != */
+ { NULL, pn_Cmp_True }, /* always true */
+};
+
+/*
+ * returns the condition code
+ */
+const char *get_cmp_suffix(int cmp_code, int unsigned_cmp)
+{
+ assert(cmp2condition_s[cmp_code].num == cmp_code);
+ assert(cmp2condition_u[cmp_code].num == cmp_code);
+
+ return unsigned_cmp ? cmp2condition_u[cmp_code & 7].name : cmp2condition_s[cmp_code & 7].name;
+}
+
+void emit_ia32_Proj_Cond(FILE *F, ir_node *n, ir_node *cond) {
+ ir_node *succ_block = get_irn_out_edges_first(n);
+ ir_node *sel = get_Cond_selector(cond);
+ ir_mode *sel_mode = get_irn_mode(sel);
+
+ assert(succ_block && "Target block of Proj_Cond missing!");
+
+ if (sel_mode == mode_b) { // Boolean condition
+ int label = get_irn_node_nr(succ_block);
+ int nr = get_Proj_proj(n);
+ fprintf(F, "j%s%s Label%d\t\t\t/* if (%sCond) goto Label */\n",
+ nr == pn_Cond_true ? "" : "n",
+ get_cmp_suffix(get_Proj_proj(sel), mode_is_signed(cmp mode)),
+ label,
+ nr == pn_Cond_true ? "" : "!");
+ }
+}
#
# 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,
- "comment" => "construct Add: Add(a, b) = Add(b, a) = a + b",
- "emit" => '. addl %s2, %d1\t\t\t/* Add(%s1, %s2) -> %d1 */'
+ "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 */'
},
"Add_i" => {
- "arity" => 1,
- "comment" => "construct Add: Add(a, const) = Add(const, a) = a + const",
- "emit" => '. addl %c, %d1\t\t\t/* Add(%c, %s1) -> %d1 */'
+ "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 */'
},
"Mul" => {
- "op_flags" => "C",
- "arity" => 2,
- "comment" => "construct Mul: Mul(a, b) = Mul(b, a) = a * b",
- "emit" =>
+ "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" =>
' 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",
- "emit" =>
+ "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" =>
' 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)",
- "emit" =>
+ "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" =>
' 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)",
- "emit" =>
+ "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" =>
' 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,
- "comment" => "construct And: And(a, b) = And(b, a) = a AND b",
- "emit" => '. andl %s2, %d1\t\t\t/* And(%s1, %s2) -> %d1 */'
+ "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 */'
},
"And_i" => {
- "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 */'
+ "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 */'
},
"Or" => {
- "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 */'
+ "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 */'
},
"Or_i" => {
- "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 */'
+ "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 */'
},
"Eor" => {
- "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 */'
+ "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 */'
},
"Eor_i" => {
- "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 */'
+ "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 */'
},
"Max" => {
- "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 */
+ "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) */
if (mode_is_signed(get_irn_mode(n))) {
-2. cmovg %s1, %d1\t\t\t/* Max(%s1, %s2) -> %d1 */
+4. cmovl %s2, %d1\t\t\t/* %s1 is less %s2 */
}
else {
-2. cmova %s1, %d1\t\t\t/* Max(%s1, %s2) -> %d1 */
+4. cmovb %s2, %d1\t\t\t/* %s1 is below %s2 */
}
'
},
"Min" => {
- "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) */
+ "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) */
if (mode_is_signed(get_irn_mode(n))) {
-2. cmovl %s1, %d1\t\t\t/* Min(%s1, %s2) -> %d1 */
+2. cmovg %s2, %d1\t\t\t/* %s1 is greater %s2 */
}
else {
-2. cmovb %s1, %d1\t\t\t/* Min(%s1, %s2) -> %d1 */
+2. cmova %s2, %d1\t\t\t/* %s1 is above %s2 */
}
'
},
# not commutative operations
"Sub" => {
- "arity" => 2,
- "comment" => "construct Sub: Sub(a, b) = a - b",
- "emit" => '. subl %s2, %s1\t\t\t/* Sub(%s1, %s2) -> %d1 */'
+ "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 */'
},
"Sub_i" => {
- "arity" => 1,
- "comment" => "construct Sub: Sub(a, const) = a - const",
- "emit" => '. subl %c, %s1\t\t\t/* Sub(%s1, %c) -> %d1 */'
+ "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 */'
},
-"Mod" => {
- "arity" => 2,
- "comment" => "construct Mod: Mod(a, b) = a % b",
- "emit" =>
+"DivMod" => {
+ "arity" => 3,
+ "comment" => "construct DivMod: DivMod(a,b) = (a / b, a % b)",
+ "reg_req" => { "in" => [ "eax", "general_purpose", "edx" ], "out" => [ "eax", "edx" ] },
+ "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];
-"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 {
-4. xorl edx, edx\t\t\t/* EDX = 0 */
-4. divl %s2\t\t\t/* unsigned DivMod(%s1, %s2) -> (%d1:%d2) (Div, Mod) */
- }
-'
-},
+ if (!op_ia32_DivMod) assert(0);
-"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 */
+ 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);
}
else {
-4. xorl edx, edx\t\t\t/* EDX = 0 */
-4. divl %s2\t\t\t/* unsigned Div(%s1, %s2) -> %d1 */
+ 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));
}
-'
+
+ 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;
+"
},
"Shl" => {
- "arity" => 2,
- "comment" => "construct Shl: Shl(a, b) = a << b",
- "emit" => '. shll %s2, %d1\t\t\t/* Shl(%s1, %s2) -> %d1 */'
+ "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 */'
},
"Shl_i" => {
- "arity" => 1,
- "comment" => "construct Shl: Shl(a, const) = a << const",
- "emit" => '. shll %c, %d1\t\t\t/* Shl(%s1, %c) -> %d1 */'
+ "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 */'
},
"Shr" => {
- "arity" => 2,
- "comment" => "construct Shr: Shr(a, b) = a >> b",
- "emit" => '. shrl %s2, %d1\t\t\t/* Shr(%s1, %s2) -> %d1 */'
+ "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 */'
},
"Shr_i" => {
- "arity" => 1,
- "comment" => "construct Shr: Shr(a, const) = a >> const",
- "emit" => '. shrl %c, %d1\t\t\t/* Shr(%s1, %c) -> %d1 */'
+ "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 */'
},
"Shrs" => {
- "arity" => 2,
- "comment" => "construct Shrs: Shrs(a, b) = a >> b",
- "emit" => '. sarl %s2, %d1\t\t\t/* Shrs(%s1, %s2) -> %d1 */'
+ "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 */'
},
"Shrs_i" => {
- "arity" => 1,
- "comment" => "construct Shrs: Shrs(a, const) = a >> const",
- "emit" => '. sarl %c, %d1\t\t\t/* Shrs(%s1, %c) -> %d1 */'
+ "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 */'
},
"RotR" => {
- "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 */'
+ "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 */'
},
"RotL" => {
- "arity" => 2,
- "comment" => "construct RotL: RotL(a, b) = a ROTL b",
- "emit" => '. roll %s2, %d1\t\t\t/* RotL(%s1, %s2) -> %d1 */'
+ "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 */'
},
"RotL_i" => {
- "arity" => 1,
- "comment" => "construct RotL: RotL(a, const) = a ROTL const",
- "emit" => '. roll %c, %d1\t\t\t/* RotL(%s1, %c) -> %d1 */'
+ "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 */'
},
"Minus" => {
- "arity" => 1,
- "comment" => "construct Minus: Minus(a) = -a",
- "emit" => '. negl %d1\t\t\t/* Neg(%s1) -> %d1 */'
+ "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 */'
},
"Inc" => {
- "arity" => 1,
- "comment" => "construct Increment: Inc(a) = a++",
- "emit" => '. incl %d1\t\t\t/* Inc(%s1) -> %d1 */'
+ "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 */'
},
"Dec" => {
- "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 */
-'
+ "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 */'
},
"Not" => {
- "arity" => 1,
- "comment" => "construct Not: Not(a) = !a",
- "emit" => '. notl %d1\t\t\t/* Not(%s1) -> %d1 */'
+ "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 */'
},
# 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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