[NDS32] Add 'trap' pattern for __builtin_trap ().

gcc/
	* config/nds32/nds32.md (trap): New pattern.

From-SVN: r268741

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5c415d8..7b8c81e 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,9 @@
 2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
 
+       * config/nds32/nds32.md (trap): New pattern.
+
+2019-02-10  Monk Chiang  <sh.chiang04@gmail.com>
+
        * config/nds32/nds32.c (nds32_dwarf_register_span): Refine register
        dwarf span.
 

diff --git a/gcc/config/nds32/nds32.md b/gcc/config/nds32/nds32.md
index 51d92ab..cba04c0 100644 (file)
--- a/gcc/config/nds32/nds32.md
+++ b/gcc/config/nds32/nds32.md
@@ -2316,6 +2316,14 @@
 
 ;; ----------------------------------------------------------------------------
 
+;; Patterns for __builtin_trap.
+(define_insn "trap"
+  [(trap_if (const_int 1) (const_int 0))]
+  ""
+  "trap\t0")
+
+;; ----------------------------------------------------------------------------
+
 ;; Patterns for TLS.
 ;; The following two tls patterns don't be expanded directly because the
 ;; intermediate value may be spilled into the stack.  As a result, it is