- rebuild with ppl 1.0

[packages/crossavr-gcc.git] / 505-gcc-avrtc381-tiny.patch

diff -Naurp gcc/config/avr/avr.md gcc/config/avr/avr.md
--- gcc/config/avr/avr.md	2012-04-13 11:19:25.000000000 +0530
+++ gcc/config/avr/avr.md	2012-04-13 13:21:49.000000000 +0530
@@ -72,7 +72,8 @@
    (UNSPECV_DELAY_CYCLES_1    101)
    (UNSPECV_DELAY_CYCLES_2    102)
    (UNSPECV_DELAY_CYCLES_3    103)
-   (UNSPECV_DELAY_CYCLES_4    104)])
+   (UNSPECV_DELAY_CYCLES_4    104)
+   (UNSPECV_DELAY_CYCLES_2_TINY 105)])
 
 (include "predicates.md")
 (include "constraints.md")
@@ -3370,7 +3371,12 @@
       if (loop_count > 0xFFFF)
         loop_count = 0xFFFF;
       unsigned int cycles_used = (((loop_count - 1) * 4) + 5);
-      emit_insn (gen_delay_cycles_2 (gen_int_mode (loop_count, HImode)));
+      if (AVR_TINY) {
+        emit_insn (gen_delay_cycles_2_tiny (gen_int_mode (loop_count, HImode)));
+      }
+      else {
+        emit_insn (gen_delay_cycles_2 (gen_int_mode (loop_count, HImode)));
+      }
       cycles -= cycles_used;
     }
   if (IN_RANGE(cycles, 6, 767))
@@ -3418,6 +3424,19 @@
   [(set_attr "length" "4")
    (set_attr "cc" "clobber")])
 
+(define_insn "delay_cycles_2_tiny"
+  [(unspec_volatile [(const_int 0)] UNSPECV_DELAY_CYCLES_2_TINY)
+   (match_operand:HI 0 "immediate_operand" "")
+   (clobber (match_scratch:HI 1 "=&d"))]
+  ""
+  " ldi %A1,lo8(%0)
+    ldi %B1,hi8(%0)
+    1:subi %A1,1
+    sbci %B1,0
+    brne 1b"
+  [(set_attr "length" "5")
+   (set_attr "cc" "clobber")])
+
 (define_insn "delay_cycles_3"
   [(unspec_volatile [(const_int 0)] UNSPECV_DELAY_CYCLES_3)
    (match_operand:SI 0 "immediate_operand" "")