rs6000.c (rs6000_use_dfa_pipeline_interface): Delete.

	* config/rs6000/rs6000.c (rs6000_use_dfa_pipeline_interface): Delete.
	(TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Redefine a hook_int_void_1.
	(insvdi_rshift_rlwimi_p): New function.
	* config/rs6000/rs6000.md (insvdi_internal2/3): New patterns.
	(extendsfdf2): Convert to define_insn_and_split.
	* config/rs6000/rs6000-protos.h (insvdi_rshift_rlwimi_p): Prototype.

From-SVN: r83568

gcc/ChangeLog

+2004-06-23  David Edelsohn  <edelsohn@gnu.org>
+
+	* config/rs6000/rs6000.c (rs6000_use_dfa_pipeline_interface): Delete.
+	(TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Redefine a hook_int_void_1.
+	(insvdi_rshift_rlwimi_p): New function.
+	* config/rs6000/rs6000.md (insvdi_internal2/3): New patterns.
+	(extendsfdf2): Convert to define_insn_and_split.
+	* config/rs6000/rs6000-protos.h (insvdi_rshift_rlwimi_p): Prototype.
+
 2004-06-23  Andrew Pinski  <apinski@apple.com>
 
 	* c-typeck.c (composite_type, <case ARRAY_TYPE>): Abort if we have

gcc/config/rs6000/rs6000-protos.h

@@ -101,6 +101,7 @@ extern int includes_lshift_p (rtx, rtx);
 extern int includes_rshift_p (rtx, rtx);
 extern int includes_rldic_lshift_p (rtx, rtx);
 extern int includes_rldicr_lshift_p (rtx, rtx);
+extern int insvdi_rshift_rlwimi_p (rtx, rtx, rtx);
 extern int registers_ok_for_quad_peep (rtx, rtx);
 extern int mems_ok_for_quad_peep (rtx, rtx);
 extern bool gpr_or_gpr_p (rtx, rtx);

gcc/config/rs6000/rs6000.c

@@ -353,7 +353,6 @@ static void rs6000_xcoff_file_end (void);
 #if TARGET_MACHO
 static bool rs6000_binds_local_p (tree);
 #endif
-static int rs6000_use_dfa_pipeline_interface (void);
 static int rs6000_variable_issue (FILE *, int, rtx, int);
 static bool rs6000_rtx_costs (rtx, int, int, int *);
 static int rs6000_adjust_cost (rtx, rtx, rtx, int);
@@ -570,7 +569,7 @@ static const char alt_reg_names[][8] =
 #define TARGET_ASM_FUNCTION_EPILOGUE rs6000_output_function_epilogue
 
 #undef  TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE 
-#define TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE rs6000_use_dfa_pipeline_interface
+#define TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE hook_int_void_1
 #undef  TARGET_SCHED_VARIABLE_ISSUE
 #define TARGET_SCHED_VARIABLE_ISSUE rs6000_variable_issue
 
@@ -8825,6 +8824,26 @@ includes_rldicr_lshift_p (rtx shiftop, rtx andop)
     return 0;
 }
 
+/* Return 1 if operands will generate a valid arguments to rlwimi
+instruction for insert with right shift in 64-bit mode.  The mask may
+not start on the first bit or stop on the last bit because wrap-around
+effects of instruction do not correspond to semantics of RTL insn.  */
+
+int
+insvdi_rshift_rlwimi_p (rtx sizeop, rtx startop, rtx shiftop)
+{
+  if (INTVAL (startop) < 64
+      && INTVAL (startop) > 32
+      && (INTVAL (sizeop) + INTVAL (startop) < 64)
+      && (INTVAL (sizeop) + INTVAL (startop) > 33)
+      && (INTVAL (sizeop) + INTVAL (startop) + INTVAL (shiftop) < 96)
+      && (INTVAL (sizeop) + INTVAL (startop) + INTVAL (shiftop) >= 64)
+      && (64 - (INTVAL (shiftop) & 63)) >= INTVAL (sizeop))
+    return 1;
+
+  return 0;
+}
+
 /* Return 1 if REGNO (reg1) == REGNO (reg2) - 1 making them candidates
    for lfq and stfq insns iff the registers are hard registers.   */
 
@@ -14179,12 +14198,6 @@ output_function_profiler (FILE *file, int labelno)
 }
 
 
-static int
-rs6000_use_dfa_pipeline_interface (void)
-{
-  return 1;
-}
-
 /* Power4 load update and store update instructions are cracked into a
    load or store and an integer insn which are executed in the same cycle.
    Branches have their own dispatch slot which does not count against the

gcc/config/rs6000/rs6000.md

@@ -3090,6 +3090,46 @@
   return \"rldimi %0,%3,%H1,%H2\";
 }")
 
+(define_insn "*insvdi_internal2"
+  [(set (zero_extract:DI (match_operand:DI 0 "gpc_reg_operand" "+r")
+			 (match_operand:SI 1 "const_int_operand" "i")
+			 (match_operand:SI 2 "const_int_operand" "i"))
+	(ashiftrt:DI (match_operand:DI 3 "gpc_reg_operand" "r")
+		     (match_operand:SI 4 "const_int_operand" "i")))]
+  "TARGET_POWERPC64
+   && insvdi_rshift_rlwimi_p (operands[1], operands[2], operands[4])"
+  "*
+{
+  int shift = INTVAL (operands[4]) & 63;
+  int start = (INTVAL (operands[2]) & 63) - 32;
+  int size = INTVAL (operands[1]) & 63;
+
+  operands[4] = GEN_INT (64 - shift - start - size);
+  operands[2] = GEN_INT (start);
+  operands[1] = GEN_INT (start + size - 1);
+  return \"rlwimi %0,%3,%h4,%h2,%h1\";
+}")
+
+(define_insn "*insvdi_internal3"
+  [(set (zero_extract:DI (match_operand:DI 0 "gpc_reg_operand" "+r")
+			 (match_operand:SI 1 "const_int_operand" "i")
+			 (match_operand:SI 2 "const_int_operand" "i"))
+	(lshiftrt:DI (match_operand:DI 3 "gpc_reg_operand" "r")
+		     (match_operand:SI 4 "const_int_operand" "i")))]
+  "TARGET_POWERPC64
+   && insvdi_rshift_rlwimi_p (operands[1], operands[2], operands[4])"
+  "*
+{
+  int shift = INTVAL (operands[4]) & 63;
+  int start = (INTVAL (operands[2]) & 63) - 32;
+  int size = INTVAL (operands[1]) & 63;
+
+  operands[4] = GEN_INT (64 - shift - start - size);
+  operands[2] = GEN_INT (start);
+  operands[1] = GEN_INT (start + size - 1);
+  return \"rlwimi %0,%3,%h4,%h2,%h1\";
+}")
+
 (define_expand "extzv"
   [(set (match_operand 0 "gpc_reg_operand" "")
 	(zero_extract (match_operand 1 "gpc_reg_operand" "")
@@ -4411,17 +4451,19 @@
 ;; this case, we just lose precision that we would have otherwise gotten but
 ;; is not guaranteed.  Perhaps this should be tightened up at some point.
 
-(define_insn "extendsfdf2"
-  [(set (match_operand:DF 0 "gpc_reg_operand" "=f")
-	(float_extend:DF (match_operand:SF 1 "gpc_reg_operand" "f")))]
+(define_insn_and_split "extendsfdf2"
+  [(set (match_operand:DF 0 "gpc_reg_operand" "=f,?f")
+	(float_extend:DF (match_operand:SF 1 "gpc_reg_operand" "0,f")))]
   "TARGET_HARD_FLOAT && TARGET_FPRS"
-  "*
+  "@
+   #
+   fmr %0,%1"
+  "&& reload_completed && REGNO (operands[0]) == REGNO (operands[1])"
+  [(const_int 0)]
 {
-  if (REGNO (operands[0]) == REGNO (operands[1]))
-    return \"\";
-  else
-    return \"fmr %0,%1\";
-}"
+  emit_note (NOTE_INSN_DELETED);
+  DONE;
+}
   [(set_attr "type" "fp")])
 
 (define_insn "truncdfsf2"