ia64-protos.h (ia64_dconst_0_5): New.

	* config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
	(ia64_dconst_0_375): New.
	* config/ia64/ia64.c (ia64_override_options): Remove
	-minline-sqrt-min-latency warning.
	(ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
	(ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
	* config/ia64/ia64.md (*sqrt_approx): Remove.
	(sqrtsf2): Remove #if 0.
	(sqrtsf2_internal_thr): Rewrite and move to div.md.
	(sqrtdf): Remove assert.
	(sqrtdf2_internal_thr): Rewrite and move to div.md.
	(sqrtxf2): Remove #if 0.
	(sqrtxf2_internal_thr): Rewrite and move to div.md.
	* div.md (sqrt_approx_rf): New.
	(sqrtsf2_internal_thr): New implementation.
	(sqrtsf2_internal_lat): New.
	(sqrtdf2_internal_thr: New implementation.
	(sqrtxf2_internal): New implementation.

From-SVN: r147713

gcc/ChangeLog

+2009-05-19  Steve Ellcey  <sje@cup.hp.com>
+
+	* config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
+	(ia64_dconst_0_375): New.
+	* config/ia64/ia64.c (ia64_override_options): Remove
+	-minline-sqrt-min-latency warning.
+	(ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
+	(ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
+	* config/ia64/ia64.md (*sqrt_approx): Remove.
+	(sqrtsf2): Remove #if 0.
+	(sqrtsf2_internal_thr): Rewrite and move to div.md.
+	(sqrtdf): Remove assert.
+	(sqrtdf2_internal_thr): Rewrite and move to div.md.
+	(sqrtxf2): Remove #if 0.
+	(sqrtxf2_internal_thr): Rewrite and move to div.md.
+	* div.md (sqrt_approx_rf): New.
+	(sqrtsf2_internal_thr): New implementation.
+	(sqrtsf2_internal_lat): New.
+	(sqrtdf2_internal_thr: New implementation.
+	(sqrtxf2_internal): New implementation.
+
 2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
 	    Hans-Peter Nilsson  <hp@axis.com>
 

gcc/config/ia64/ia64-protos.h

@@ -102,3 +102,6 @@ extern void ia64_profile_hook (int);
 
 extern void ia64_optimization_options (int, int);
 extern void ia64_init_expanders (void);
+
+extern rtx ia64_dconst_0_5 (void);
+extern rtx ia64_dconst_0_375 (void);

gcc/config/ia64/ia64.c

@@ -5280,12 +5280,6 @@ ia64_override_options (void)
   if (TARGET_AUTO_PIC)
     target_flags |= MASK_CONST_GP;
 
-  if (TARGET_INLINE_SQRT == INL_MIN_LAT)
-    {
-      warning (0, "not yet implemented: latency-optimized inline square root");
-      TARGET_INLINE_SQRT = INL_MAX_THR;
-    }
-
   ia64_flag_schedule_insns2 = flag_schedule_insns_after_reload;
   flag_schedule_insns_after_reload = 0;
 
@@ -10571,4 +10565,33 @@ ia64_c_mode_for_suffix (char suffix)
   return VOIDmode;
 }
 
+static GTY(()) rtx ia64_dconst_0_5_rtx;
+
+rtx
+ia64_dconst_0_5 (void)
+{
+  if (! ia64_dconst_0_5_rtx)
+    {
+      REAL_VALUE_TYPE rv;
+      real_from_string (&rv, "0.5");
+      ia64_dconst_0_5_rtx = const_double_from_real_value (rv, DFmode);
+    }
+  return ia64_dconst_0_5_rtx;
+}
+
+static GTY(()) rtx ia64_dconst_0_375_rtx;
+
+rtx
+ia64_dconst_0_375 (void)
+{
+  if (! ia64_dconst_0_375_rtx)
+    {
+      REAL_VALUE_TYPE rv;
+      real_from_string (&rv, "0.375");
+      ia64_dconst_0_375_rtx = const_double_from_real_value (rv, DFmode);
+    }
+  return ia64_dconst_0_375_rtx;
+}
+
+
 #include "gt-ia64.h"