gcc: xtensa: use define_c_enums instead of define_constants

This improves RTL dumps readability. No functional changes.

gcc/
	* config/xtensa/xtensa.md (unspec): Extract UNSPEC_* constants
	into this enum.
	(unspecv): Extract UNSPECV_* constants into this enum.

diff --git a/gcc/config/xtensa/xtensa.md b/gcc/config/xtensa/xtensa.md
index e72fd9ac3f61b361496dadbaeba2070482800181..0a26d3dccf44c356c26839d7e2c6845939a1f9f8 100644 (file)
--- a/gcc/config/xtensa/xtensa.md
+++ b/gcc/config/xtensa/xtensa.md
@@ -25,28 +25,32 @@
   (A7_REG              7)
   (A8_REG              8)
   (A9_REG              9)
+])
+
+(define_c_enum "unspec" [
+  UNSPEC_NOP
+  UNSPEC_PLT
+  UNSPEC_RET_ADDR
+  UNSPEC_TPOFF
+  UNSPEC_DTPOFF
+  UNSPEC_TLS_FUNC
+  UNSPEC_TLS_ARG
+  UNSPEC_TLS_CALL
+  UNSPEC_TP
+  UNSPEC_MEMW
+  UNSPEC_LSETUP_START
+  UNSPEC_LSETUP_END
+  UNSPEC_FRAME_BLOCKAGE
+])
 
-  (UNSPEC_NOP          2)
-  (UNSPEC_PLT          3)
-  (UNSPEC_RET_ADDR     4)
-  (UNSPEC_TPOFF                5)
-  (UNSPEC_DTPOFF       6)
-  (UNSPEC_TLS_FUNC     7)
-  (UNSPEC_TLS_ARG      8)
-  (UNSPEC_TLS_CALL     9)
-  (UNSPEC_TP           10)
-  (UNSPEC_MEMW         11)
-  (UNSPEC_LSETUP_START  12)
-  (UNSPEC_LSETUP_END    13)
-  (UNSPEC_FRAME_BLOCKAGE 14)
-
-  (UNSPECV_SET_FP      1)
-  (UNSPECV_ENTRY       2)
-  (UNSPECV_S32RI       4)
-  (UNSPECV_S32C1I      5)
-  (UNSPECV_EH_RETURN   6)
-  (UNSPECV_SET_TP      7)
-  (UNSPECV_BLOCKAGE    8)
+(define_c_enum "unspecv" [
+  UNSPECV_SET_FP
+  UNSPECV_ENTRY
+  UNSPECV_S32RI
+  UNSPECV_S32C1I
+  UNSPECV_EH_RETURN
+  UNSPECV_SET_TP
+  UNSPECV_BLOCKAGE
 ])
 
 ;; This code iterator allows signed and unsigned widening multiplications