Backport from mainline

[pf3gnuchains/gcc-fork.git] / gcc / config / i386 / i386.md

diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 2889166..c66026b 100644 (file)
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -5375,6 +5375,41 @@
   DONE;
 })
 \f
+;; Load effective address instructions
+
+(define_insn_and_split "*lea<mode>"
+  [(set (match_operand:SWI48 0 "register_operand" "=r")
+       (match_operand:SWI48 1 "lea_address_operand" "p"))]
+  ""
+{
+  rtx addr = operands[1];
+
+  if (GET_CODE (addr) == SUBREG)
+    {
+      gcc_assert (TARGET_64BIT);
+      gcc_assert (<MODE>mode == SImode);
+      gcc_assert (GET_MODE (SUBREG_REG (addr)) == DImode);
+      return "lea{l}\t{%E1, %0|%0, %E1}";
+    }
+  else if (GET_CODE (addr) == ZERO_EXTEND
+          || GET_CODE (addr) == AND)
+    {
+      gcc_assert (TARGET_64BIT);
+      gcc_assert (<MODE>mode == DImode);
+      return "lea{l}\t{%E1, %k0|%k0, %E1}";
+    }
+  else 
+    return "lea{<imodesuffix>}\t{%E1, %0|%0, %E1}";
+}
+  "reload_completed && ix86_avoid_lea_for_addr (insn, operands)"
+  [(const_int 0)]
+{
+  ix86_split_lea_for_addr (operands, <MODE>mode);
+  DONE;
+}
+  [(set_attr "type" "lea")
+   (set_attr "mode" "<MODE>")])
+\f
 ;; Add instructions
 
 (define_expand "add<mode>3"
@@ -5433,72 +5468,6 @@
   [(set_attr "type" "alu")
    (set_attr "mode" "QI")])
 
-(define_insn_and_split "*lea_1"
-  [(set (match_operand:SI 0 "register_operand" "=r")
-       (subreg:SI (match_operand:DI 1 "lea_address_operand" "p") 0))]
-  "TARGET_64BIT"
-  "lea{l}\t{%E1, %0|%0, %E1}"
-  "&& reload_completed && ix86_avoid_lea_for_addr (insn, operands)"
-  [(const_int 0)]
-{
-  ix86_split_lea_for_addr (operands, SImode);
-  DONE;
-}
-  [(set_attr "type" "lea")
-   (set_attr "mode" "SI")])
-
-(define_insn_and_split "*lea<mode>_2"
-  [(set (match_operand:SWI48 0 "register_operand" "=r")
-       (match_operand:SWI48 1 "lea_address_operand" "p"))]
-  ""
-  "lea{<imodesuffix>}\t{%E1, %0|%0, %E1}"
-  "reload_completed && ix86_avoid_lea_for_addr (insn, operands)"
-  [(const_int 0)]
-{
-  ix86_split_lea_for_addr (operands, <MODE>mode);
-  DONE;
-}
-  [(set_attr "type" "lea")
-   (set_attr "mode" "<MODE>")])
-
-(define_insn "*lea_3_zext"
-  [(set (match_operand:DI 0 "register_operand" "=r")
-       (zero_extend:DI
-         (subreg:SI (match_operand:DI 1 "lea_address_operand" "j") 0)))]
-  "TARGET_64BIT"
-  "lea{l}\t{%E1, %k0|%k0, %E1}"
-  [(set_attr "type" "lea")
-   (set_attr "mode" "SI")])
-
-(define_insn "*lea_4_zext"
-  [(set (match_operand:DI 0 "register_operand" "=r")
-       (zero_extend:DI
-         (match_operand:SI 1 "lea_address_operand" "j")))]
-  "TARGET_64BIT"
-  "lea{l}\t{%E1, %k0|%k0, %E1}"
-  [(set_attr "type" "lea")
-   (set_attr "mode" "SI")])
-
-(define_insn "*lea_5_zext"
-  [(set (match_operand:DI 0 "register_operand" "=r")
-       (and:DI
-         (subreg:DI (match_operand:SI 1 "lea_address_operand" "p") 0)
-         (match_operand:DI 2 "const_32bit_mask" "n")))]
-  "TARGET_64BIT"
-  "lea{l}\t{%E1, %k0|%k0, %E1}"
-  [(set_attr "type" "lea")
-   (set_attr "mode" "SI")])
-
-(define_insn "*lea_6_zext"
-  [(set (match_operand:DI 0 "register_operand" "=r")
-       (and:DI
-         (match_operand:DI 1 "lea_address_operand" "p")
-         (match_operand:DI 2 "const_32bit_mask" "n")))]
-  "TARGET_64BIT"
-  "lea{l}\t{%E1, %k0|%k0, %E1}"
-  [(set_attr "type" "lea")
-   (set_attr "mode" "SI")])
-
 (define_insn "*add<mode>_1"
   [(set (match_operand:SWI48 0 "nonimmediate_operand" "=r,rm,r,r")
        (plus:SWI48