bestate: Remove unnecessary test.

[libfirm] / ir / be / ia32 / ia32_nodes_attr.h

diff --git a/ir/be/ia32/ia32_nodes_attr.h b/ir/be/ia32/ia32_nodes_attr.h
index 340946b..152a476 100644 (file)
--- a/ir/be/ia32/ia32_nodes_attr.h
+++ b/ir/be/ia32/ia32_nodes_attr.h
@@ -27,7 +27,6 @@
 
 #include "firm_types.h"
 #include "bearch.h"
-#include "bemachine.h"
 #include "irnode_t.h"
 
 /** ia32 condition codes (the numbers correspond to the real encoding order) */
@@ -132,19 +131,26 @@ typedef enum {
        match_8bit_am           = 1 << 3, /**< node supports 8bit source AM */
        match_16bit_am          = 1 << 4, /**< node supports 16bit source AM */
        match_immediate         = 1 << 5, /**< node supports immediates */
-       match_mode_neutral      = 1 << 6, /**< 16 and 8 bit modes can be emulated
-                                              by 32 bit operations */
-       match_try_am            = 1 << 7, /**< only try to produce AM node, don't
+       /** for 8/16 bit modes, mode_neutral operations can be emulated by their
+        * 32bit equivalents, they just don't care about the upper bits (they can be
+        * arbitrary before the insn and are unknown after the instruction). */
+       match_mode_neutral      = 1 << 6,
+       /** for 8/16 bit modes, zero_ext operations can be emulated by their
+        * 32bit equivalents, however the upper bits must be zero extended. */
+       match_zero_ext          = 1 << 7,
+       /** for 8/16 bit modes, upconv operations can be emulated by their
+        * 32bit equivalents, however the upper bits have to sign/zero extended
+        * based on the operations mode. */
+       match_upconv            = 1 << 8,
+       match_try_am            = 1 << 9, /**< only try to produce AM node, don't
                                               do anything if AM isn't possible */
-       match_two_users         = 1 << 8, /**< the instruction uses a load two times ... */
-       match_upconv_32         = 1 << 9  /**< 8/16 bit insn are processed by doing
-                                              an upconv to 32bit */
+       match_two_users         = 1 << 10,/**< the instruction uses a load two times ... */
 } match_flags_t;
 ENUM_BITSET(match_flags_t)
 
 typedef struct ia32_op_attr_t ia32_op_attr_t;
 struct ia32_op_attr_t {
-       match_flags_t  flags;
+       //match_flags_t  flags;
        unsigned       latency;
 };
 
@@ -200,8 +206,6 @@ struct ia32_attr_t {
 
        ir_entity *frame_ent; /**< the frame entity attached to this node */
 
-       const be_execution_unit_t ***exec_units; /**< list of units this operation can be executed on */
-
        ir_label_t        exc_label;       /**< the exception label iff this instruction can throw an exception */
 
 #ifndef NDEBUG
@@ -265,8 +269,10 @@ struct ia32_immediate_attr_t {
  */
 typedef struct ia32_x87_attr_t ia32_x87_attr_t;
 struct ia32_x87_attr_t {
-       ia32_attr_t            attr;      /**< the generic attribute */
-       const arch_register_t *x87[3];    /**< register slots for x87 register */
+       ia32_attr_t            attr;       /**< the generic attribute */
+       arch_register_t const *reg;        /**< The explicit register operand. */
+       bool                   res_in_reg; /**< True if the result is in the explicit register operand, %st0 otherwise. */
+       bool                   pop;        /**< Emit a pop suffix. */
 };
 
 typedef struct ia32_asm_reg_t ia32_asm_reg_t;