microblaze.md: Add trap insn and attribute

2014-01-23  David Holsgrove <david.holsgrove@xilinx.com>

	* config/microblaze/microblaze.md: Add trap insn and attribute

From-SVN: r206967

gcc/ChangeLog

+2014-01-23  David Holsgrove <david.holsgrove@xilinx.com>
+
+	* config/microblaze/microblaze.md: Add trap insn and attribute
+
 2014-01-23  Dodji Seketeli  <dodji@redhat.com>
 
 	PR preprocessor/58580

gcc/config/microblaze/microblaze.md

@@ -74,7 +74,7 @@
 ;; bshift 	Shift operations
 
 (define_attr "type"
-  "unknown,branch,jump,call,load,store,move,arith,darith,imul,idiv,icmp,multi,nop,no_delay_arith,no_delay_load,no_delay_store,no_delay_imul,no_delay_move,bshift,fadd,frsub,fmul,fdiv,fcmp,fsl,fsqrt,fcvt"
+  "unknown,branch,jump,call,load,store,move,arith,darith,imul,idiv,icmp,multi,nop,no_delay_arith,no_delay_load,no_delay_store,no_delay_imul,no_delay_move,bshift,fadd,frsub,fmul,fdiv,fcmp,fsl,fsqrt,fcvt,trap"
   (const_string "unknown"))
 
 ;; Main data type used by the insn
@@ -2201,6 +2201,14 @@
   (set_attr "mode"	"none")
   (set_attr "length"	"4")])
 
+;; Trap instruction pattern for __builtin_trap. Same as the glibc ABORT_INSTRUCTION
+(define_insn "trap"
+  [(trap_if (const_int 1) (const_int 0))]
+  ""
+  "brki\tr0,-1"
+ [(set_attr "type" "trap")]
+)
+
 ;; The insn to set GOT. The hardcoded number "8" accounts for $pc difference
 ;; between "mfs" and "addik" instructions.
 (define_insn "set_got"

gcc/testsuite/ChangeLog

+2014-01-23  David Holsgrove <david.holsgrove@xilinx.com>
+
+	* gcc.target/microblaze/others/builtin-trap.c: New test,
+
 2014-01-23  Jakub Jelinek  <jakub@redhat.com>
 
 	PR middle-end/58809

gcc/testsuite/gcc.target/microblaze/others/builtin-trap.c

+/* { dg-do compile } */
+
+void trap ()
+{
+  __builtin_trap ();
+}
+
+/* { dg-final { scan-assembler "brki\tr0,-1" } } */
\ No newline at end of file