i386.md (jump): Explicitly set "memory" attribute.

        * i386.md (jump): Explicitly set "memory" attribute.
        (indirect_jump, prologue_set_stack_ptr): Likewise.
        (prologue_get_pc_and_set_got, pop): Likewise.
        (allocate_stack_worder, blockage, return_internal): Likewise.
        (return_pop_internal, nop): Likewise.
        (epilogue_set_stack_ptr, leave): Likewise.

From-SVN: r23718

gcc/ChangeLog

+Thu Nov 19 19:34:13 1998  Jeffrey A Law  (law@cygnus.com)
+
+	* i386.md (jump): Explicitly set "memory" attribute.
+	(indirect_jump, prologue_set_stack_ptr): Likewise.
+	(prologue_get_pc_and_set_got, pop): Likewise.
+	(allocate_stack_worder, blockage, return_internal): Likewise.
+	(return_pop_internal, nop): Likewise.
+	(epilogue_set_stack_ptr, leave): Likewise.
+
 Thu Nov 19 15:42:54 1998  Nick Clifton  <nickc@cygnus.com>
 
 	* config/arm/coff.h: Set USER_LABEL_PREFIX to "_".

gcc/config/i386/i386.md

@@ -5789,7 +5789,8 @@ byte_xor_operation:
   [(set (pc)
 	(label_ref (match_operand 0 "" "")))]
   ""
-  "jmp %l0")
+  "jmp %l0"
+  [(set_attr "memory" "none")])
 
 (define_insn "indirect_jump"
   [(set (pc) (match_operand:SI 0 "nonimmediate_operand" "rm"))]
@@ -5799,7 +5800,8 @@ byte_xor_operation:
   CC_STATUS_INIT;
 
   return AS1 (jmp,%*%0);
-}")
+}"
+  [(set_attr "memory" "none")])
 
 ;; ??? could transform while(--i > 0) S; to if (--i > 0) do S; while(--i);
 ;;     if S does not change i
@@ -6354,7 +6356,8 @@ byte_xor_operation:
 (define_insn "blockage"
   [(unspec_volatile [(const_int 0)] 0)]
   ""
-  "")
+  ""
+  [(set_attr "memory" "none")])
 
 ;; Insn emitted into the body of a function to return from a function.
 ;; This is only done if the function's epilogue is known to be simple.
@@ -6368,18 +6371,21 @@ byte_xor_operation:
 (define_insn "return_internal"
   [(return)]
   "reload_completed"
-  "ret")
+  "ret"
+  [(set_attr "memory" "none")])
 
 (define_insn "return_pop_internal"
   [(return)
    (use (match_operand:SI 0 "const_int_operand" ""))]
   "reload_completed"
-  "ret %0")
+  "ret %0"
+  [(set_attr "memory" "none")])
 
 (define_insn "nop"
   [(const_int 0)]
   ""
-  "nop")
+  "nop"
+  [(set_attr "memory" "none")])
 
 (define_expand "prologue"
   [(const_int 1)]
@@ -6406,7 +6412,8 @@ byte_xor_operation:
   xops[1] = stack_pointer_rtx;
   output_asm_insn (AS2 (sub%L1,%0,%1), xops);
   RET;
-}")
+}"
+  [(set_attr "memory" "none")])
 
 (define_insn "prologue_set_got"
   [(set (match_operand:SI 0 "" "")
@@ -6446,7 +6453,8 @@ byte_xor_operation:
       ASM_OUTPUT_INTERNAL_LABEL (asm_out_file, \"L\", CODE_LABEL_NUMBER (operands[1]));
     }    
   RET;
-}")
+}"
+  [(set_attr "memory" "none")])
 
 (define_insn "prologue_get_pc_and_set_got"
   [(unspec_volatile [(match_operand:SI 0 "" "")] 3)]
@@ -6460,7 +6468,8 @@ byte_xor_operation:
   output_asm_insn (AS1 (pop%L0,%0), operands);
   output_asm_insn (\"addl $_GLOBAL_OFFSET_TABLE_+[.-%X1],%0\", operands);
   RET;
-}")
+}"
+  [(set_attr "memory" "none")])
 
 (define_expand "epilogue"
   [(const_int 1)]
@@ -6483,14 +6492,16 @@ byte_xor_operation:
     xops[1] = stack_pointer_rtx;
     output_asm_insn (AS2 (mov%L0,%0,%1), xops);
     RET;
-}")
+}"
+  [(set_attr "memory" "none")])
 
 (define_insn "leave"
   [(const_int 2)
       (clobber (reg:SI 6))
       (clobber (reg:SI 7))]
   ""
-  "leave")
+  "leave"
+  [(set_attr "memory" "none")])
 
 (define_insn "pop"
   [(set (match_operand:SI 0 "register_operand" "r")
@@ -6501,7 +6512,8 @@ byte_xor_operation:
 {
     output_asm_insn (AS1 (pop%L0,%P0), operands);
     RET;
-}")
+}"
+  [(set_attr "memory" "load")])
 
 (define_expand "movstrsi"
   [(parallel [(set (match_operand:BLK 0 "memory_operand" "")
@@ -7688,7 +7700,8 @@ byte_xor_operation:
    (set (reg:SI 7) (minus:SI (reg:SI 7) (match_dup 0)))
    (clobber (match_dup 0))]
   "TARGET_STACK_PROBE"
-  "* return AS1(call,__alloca);")
+  "* return AS1(call,__alloca);"
+  [(set_attr "memory" "none")])
 
 (define_expand "allocate_stack"
   [(set (match_operand:SI 0 "register_operand" "=r")