pa.h (REGISTER_MOVE_COST): Make moving between FP and non-FP register more expensive.

	* pa.h (REGISTER_MOVE_COST): Make moving between FP and non-FP
	register more expensive.

From-SVN: r3040

diff --git a/gcc/config/pa/pa.h b/gcc/config/pa/pa.h
index 1ed9a98..a56c9a5 100644 (file)
--- a/gcc/config/pa/pa.h
+++ b/gcc/config/pa/pa.h
@@ -1393,10 +1393,12 @@ while (0)
 #define REGISTER_MOVE_COST(CLASS1, CLASS2) \
  ((((CLASS1 == FP_REGS || CLASS1 == SNAKE_FP_REGS      \
      || CLASS1 == HI_SNAKE_FP_REGS)                    \
-    && (CLASS2 == R1_REGS || CLASS2 == GENERAL_REGS))  \
-   || ((CLASS1 == R1_REGS || CLASS1 == GENERAL_REGS)   \
+    && (CLASS2 == R1_REGS || CLASS2 == GENERAL_REGS    \
+       || CLASS2 == SHIFT_REGS))                       \
+   || ((CLASS1 == R1_REGS || CLASS1 == GENERAL_REGS    \
+       || CLASS1 == SHIFT_REGS)                        \
        && (CLASS2 == FP_REGS || CLASS2 == SNAKE_FP_REGS        \
-          || CLASS2 == HI_SNAKE_FP_REGS))) ? 6 : 2)    
+          || CLASS2 == HI_SNAKE_FP_REGS))) ? 16 : 2)   
 
 /* Provide the costs of a rtl expression.  This is in the body of a
    switch on CODE.  The purpose for the cost of MULT is to encourage