rs6000.c (rs6000_rtx_costs): Add EQ, GTU, and LTU.

	* config/rs6000/rs6000.c (rs6000_rtx_costs): Add EQ, GTU, and LTU.
	* config/rs6000/rs6000.md (sCC): Split GTU and LTU patterns.

From-SVN: r90345

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d9cd2213d10a68d4942419388b0b67d1a2c7c291..baaecc236e890efb6f644832dd2c95c592f18779 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-11-09  David Edelsohn  <edelsohn@gnu.org>
+
+       * config/rs6000/rs6000.c (rs6000_rtx_costs): Add EQ, GTU, and LTU.
+       * config/rs6000/rs6000.md (sCC): Split GTU and LTU patterns.
+
 2004-11-09  Kazu Hirata  <kazu@cs.umass.edu>
 
        * tree-phinodes.c (phi_reverse): New.

diff --git a/gcc/config/rs6000/rs6000.c b/gcc/config/rs6000/rs6000.c
index 54c76dba30430b27653d243b172be04df0ba255a..947ae2030e1ce76ed9ccbc9f6dc8676f2e3b8d7c 100644 (file)
--- a/gcc/config/rs6000/rs6000.c
+++ b/gcc/config/rs6000/rs6000.c
@@ -17984,9 +17984,32 @@ rs6000_rtx_costs (rtx x, int code, int outer_code, int *total)
          *total = rs6000_cost->fp;
          return false;
        }
-
       break;
 
+    case EQ:
+    case GTU:
+    case LTU:
+      if (mode == Pmode)
+       {
+         switch (outer_code)
+           {
+           case PLUS:
+           case NEG:
+             /* PLUS or NEG already counted so only add one more.  */
+             *total = COSTS_N_INSNS (1);
+             break;
+           case SET:
+             *total = COSTS_N_INSNS (3);
+             break;
+           case COMPARE:
+             *total = 0;
+             return true;
+           default:
+             break;
+           }
+         return false;
+       }
+
     default:
       break;
     }

diff --git a/gcc/config/rs6000/rs6000.md b/gcc/config/rs6000/rs6000.md
index 79a9ad1558d90480bc55f8a795e96dea5f591cce..87c442ff51131df861dc0195b43aa32d3269041a 100644 (file)
--- a/gcc/config/rs6000/rs6000.md
+++ b/gcc/config/rs6000/rs6000.md
@@ -12460,15 +12460,27 @@
   "doz%I2 %0,%1,%2\;nabs %0,%0\;{srai|srawi} %0,%0,31"
   [(set_attr "length" "12")])
 
-(define_insn ""
+(define_insn_and_split ""
   [(set (match_operand:SI 0 "gpc_reg_operand" "=r,r")
        (ltu:SI (match_operand:SI 1 "gpc_reg_operand" "r,r")
                (match_operand:SI 2 "reg_or_neg_short_operand" "r,P")))]
   "TARGET_32BIT"
-  "@
-   {sf|subfc} %0,%2,%1\;{sfe|subfe} %0,%0,%0\;neg %0,%0
-   {ai|addic} %0,%1,%n2\;{sfe|subfe} %0,%0,%0\;neg %0,%0"
-  [(set_attr "length" "12")])
+  "#"
+  "TARGET_32BIT"
+  [(set (match_dup 0) (neg:SI (ltu:SI (match_dup 1) (match_dup 2))))
+   (set (match_dup 0) (neg:SI (match_dup 0)))]
+  "")
+
+(define_insn_and_split ""
+  [(set (match_operand:DI 0 "gpc_reg_operand" "=r,r")
+       (ltu:DI (match_operand:DI 1 "gpc_reg_operand" "r,r")
+               (match_operand:DI 2 "reg_or_neg_short_operand" "r,P")))]
+  "TARGET_64BIT"
+  "#"
+  "TARGET_64BIT"
+  [(set (match_dup 0) (neg:DI (ltu:DI (match_dup 1) (match_dup 2))))
+   (set (match_dup 0) (neg:DI (match_dup 0)))]
+  "")
 
 (define_insn ""
   [(set (match_operand:CC 3 "cc_reg_operand" "=x,x,?y,?y")
@@ -12503,18 +12515,29 @@
                    (const_int 0)))]
   "")
 
-(define_insn ""
-  [(set (match_operand:SI 0 "gpc_reg_operand" "=&r,&r,&r,&r")
-       (plus:SI (ltu:SI (match_operand:SI 1 "gpc_reg_operand" "r,r,r,r")
-                        (match_operand:SI 2 "reg_or_neg_short_operand" "r,r,P,P"))
-                (match_operand:SI 3 "reg_or_short_operand" "r,I,r,I")))]
+(define_insn_and_split ""
+  [(set (match_operand:SI 0 "gpc_reg_operand" "=r,r")
+       (plus:SI (ltu:SI (match_operand:SI 1 "gpc_reg_operand" "r,r")
+                        (match_operand:SI 2 "reg_or_neg_short_operand" "r,P"))
+                (match_operand:SI 3 "reg_or_short_operand" "rI,rI")))]
   "TARGET_32BIT"
-  "@
-  {sf|subfc} %0,%2,%1\;{sfe|subfe} %0,%0,%0\;{sf|subf} %0,%0,%3
-  {sf|subfc} %0,%2,%1\;{sfe|subfe} %0,%0,%0\;{sfi|subfic} %0,%0,%3
-  {ai|addic} %0,%1,%n2\;{sfe|subfe} %0,%0,%0\;{sf|subf} %0,%0,%3
-  {ai|addic} %0,%1,%n2\;{sfe|subfe} %0,%0,%0\;{sfi|subfic} %0,%0,%3"
- [(set_attr "length" "12")])
+  "#"
+  "TARGET_32BIT"
+  [(set (match_dup 0) (neg:SI (ltu:SI (match_dup 1) (match_dup 2))))
+   (set (match_dup 0) (minus:SI (match_dup 3) (match_dup 0)))]
+  "")
+
+(define_insn_and_split ""
+  [(set (match_operand:DI 0 "gpc_reg_operand" "=r,r")
+       (plus:DI (ltu:DI (match_operand:DI 1 "gpc_reg_operand" "r,r")
+                        (match_operand:DI 2 "reg_or_neg_short_operand" "r,P"))
+                (match_operand:DI 3 "reg_or_short_operand" "rI,rI")))]
+  "TARGET_64BIT"
+  "#"
+  "TARGET_64BIT"
+  [(set (match_dup 0) (neg:DI (ltu:DI (match_dup 1) (match_dup 2))))
+   (set (match_dup 0) (minus:DI (match_dup 3) (match_dup 0)))]
+  "")
 
 (define_insn ""
   [(set (match_operand:CC 0 "cc_reg_operand" "=x,x,?y,?y")
@@ -12593,7 +12616,19 @@
   "@
    {sf|subfc} %0,%2,%1\;{sfe|subfe} %0,%0,%0
    {ai|addic} %0,%1,%n2\;{sfe|subfe} %0,%0,%0"
-  [(set_attr "length" "8")])
+  [(set_attr "type" "insert_word")
+   (set_attr "length" "8")])
+
+(define_insn ""
+  [(set (match_operand:DI 0 "gpc_reg_operand" "=r,r")
+       (neg:DI (ltu:DI (match_operand:DI 1 "gpc_reg_operand" "r,r")
+                       (match_operand:DI 2 "reg_or_neg_short_operand" "r,P"))))]
+  "TARGET_64BIT"
+  "@
+   {sf|subfc} %0,%2,%1\;{sfe|subfe} %0,%0,%0
+   {ai|addic} %0,%1,%n2\;{sfe|subfe} %0,%0,%0"
+  [(set_attr "type" "insert_word")
+   (set_attr "length" "8")])
 
 (define_insn ""
   [(set (match_operand:SI 0 "gpc_reg_operand" "=r")
@@ -13343,21 +13378,27 @@
   "doz %0,%2,%1\;nabs %0,%0\;{srai|srawi} %0,%0,31"
   [(set_attr "length" "12")])
 
-(define_insn ""
+(define_insn_and_split ""
   [(set (match_operand:SI 0 "gpc_reg_operand" "=r")
-       (gtu:SI (match_operand:SI 1 "gpc_reg_operand" "r")
-               (match_operand:SI 2 "reg_or_short_operand" "rI")))]
+        (gtu:SI (match_operand:SI 1 "gpc_reg_operand" "r")
+                (match_operand:SI 2 "reg_or_short_operand" "rI")))]
   "TARGET_32BIT"
-  "{sf%I2|subf%I2c} %0,%1,%2\;{sfe|subfe} %0,%0,%0\;neg %0,%0"
-  [(set_attr "length" "12")])
+  "#"
+  "TARGET_32BIT"
+  [(set (match_dup 0) (neg:SI (gtu:SI (match_dup 1) (match_dup 2))))
+   (set (match_dup 0) (neg:SI (match_dup 0)))]
+  "")
 
-(define_insn ""
+(define_insn_and_split ""
   [(set (match_operand:DI 0 "gpc_reg_operand" "=r")
-       (gtu:DI (match_operand:DI 1 "gpc_reg_operand" "r")
-               (match_operand:DI 2 "reg_or_short_operand" "rI")))]
+        (gtu:DI (match_operand:DI 1 "gpc_reg_operand" "r")
+                (match_operand:DI 2 "reg_or_short_operand" "rI")))]
   "TARGET_64BIT"
-  "subf%I2c %0,%1,%2\;subfe %0,%0,%0\;neg %0,%0"
-  [(set_attr "length" "12")])
+  "#"
+  "TARGET_64BIT"
+  [(set (match_dup 0) (neg:DI (gtu:DI (match_dup 1) (match_dup 2))))
+   (set (match_dup 0) (neg:DI (match_dup 0)))]
+  "")
 
 (define_insn ""
   [(set (match_operand:CC 3 "cc_reg_operand" "=x,?y")
@@ -13421,29 +13462,29 @@
                    (const_int 0)))]
   "")
 
-(define_insn ""
-  [(set (match_operand:SI 0 "gpc_reg_operand" "=&r,&r,&r")
-       (plus:SI (gtu:SI (match_operand:SI 1 "gpc_reg_operand" "r,r,r")
-                        (match_operand:SI 2 "reg_or_short_operand" "I,rI,rI"))
-                (match_operand:SI 3 "reg_or_short_operand" "r,r,I")))]
+(define_insn_and_split ""
+  [(set (match_operand:SI 0 "gpc_reg_operand" "=r")
+        (plus:SI (gtu:SI (match_operand:SI 1 "gpc_reg_operand" "r")
+                         (match_operand:SI 2 "reg_or_short_operand" "rI"))
+                 (match_operand:SI 3 "reg_or_short_operand" "rI")))]
   "TARGET_32BIT"
-  "@
-   {ai|addic} %0,%1,%k2\;{aze|addze} %0,%3
-   {sf%I2|subf%I2c} %0,%1,%2\;{sfe|subfe} %0,%0,%0\;{sf|subf} %0,%0,%3
-   {sf%I2|subf%I2c} %0,%1,%2\;{sfe|subfe} %0,%0,%0\;{sfi|subfic} %0,%0,%3"
-  [(set_attr "length" "8,12,12")])
+  "#"
+  "TARGET_32BIT"
+  [(set (match_dup 0) (neg:SI (gtu:SI (match_dup 1) (match_dup 2))))
+   (set (match_dup 0) (minus:SI (match_dup 3) (match_dup 0)))]
+  "")
 
-(define_insn ""
-  [(set (match_operand:DI 0 "gpc_reg_operand" "=&r,&r,&r")
-       (plus:DI (gtu:DI (match_operand:DI 1 "gpc_reg_operand" "r,r,r")
-                        (match_operand:DI 2 "reg_or_short_operand" "I,rI,rI"))
-                (match_operand:DI 3 "reg_or_short_operand" "r,r,I")))]
+(define_insn_and_split ""
+  [(set (match_operand:DI 0 "gpc_reg_operand" "=r")
+        (plus:DI (gtu:DI (match_operand:DI 1 "gpc_reg_operand" "r")
+                         (match_operand:DI 2 "reg_or_short_operand" "rI"))
+                 (match_operand:DI 3 "reg_or_short_operand" "rI")))]
   "TARGET_64BIT"
-  "@
-   addic %0,%1,%k2\;addze %0,%3
-   subf%I2c %0,%1,%2\;subfe %0,%0,%0\;subf %0,%0,%3
-   subf%I2c %0,%1,%2\;subfe %0,%0,%0\;subfic %0,%0,%3"
-  [(set_attr "length" "8,12,12")])
+  "#"
+  "TARGET_64BIT"
+  [(set (match_dup 0) (neg:DI (gtu:DI (match_dup 1) (match_dup 2))))
+   (set (match_dup 0) (minus:DI (match_dup 3) (match_dup 0)))]
+  "")
 
 (define_insn ""
   [(set (match_operand:CC 0 "cc_reg_operand" "=x,x,?y,?y")
@@ -13589,7 +13630,8 @@
                        (match_operand:SI 2 "reg_or_short_operand" "rI"))))]
   "TARGET_32BIT"
   "{sf%I2|subf%I2c} %0,%1,%2\;{sfe|subfe} %0,%0,%0"
-  [(set_attr "length" "8")])
+  [(set_attr "type" "insert_word")
+   (set_attr "length" "8")])
 
 (define_insn ""
   [(set (match_operand:DI 0 "gpc_reg_operand" "=r")
@@ -13597,7 +13639,8 @@
                        (match_operand:DI 2 "reg_or_short_operand" "rI"))))]
   "TARGET_64BIT"
   "subf%I2c %0,%1,%2\;subfe %0,%0,%0"
-  [(set_attr "length" "8")])
+  [(set_attr "type" "insert_word")
+   (set_attr "length" "8")])
 \f
 ;; Define both directions of branch and return.  If we need a reload
 ;; register, we'd rather use CR0 since it is much easier to copy a