mirror of
https://github.com/crosstool-ng/crosstool-ng.git
synced 2024-12-30 17:46:57 +00:00
58 lines
1.9 KiB
Diff
58 lines
1.9 KiB
Diff
From d462e776df56a72f68545054f6d722bf447f0519 Mon Sep 17 00:00:00 2001
|
|
From: Max Filippov <jcmvbkbc@gmail.com>
|
|
Date: Mon, 8 Jun 2015 22:29:11 +0300
|
|
Subject: [PATCH] xtensa: implement trap pattern
|
|
|
|
gcc/
|
|
* config/xtensa/xtensa.h (TARGET_DEBUG): New definition.
|
|
* config/xtensa/xtensa.md (define_attr "type"): New type "trap".
|
|
(define_insn "trap"): New definition.
|
|
|
|
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
|
|
---
|
|
gcc/config/xtensa/xtensa.h | 1 +
|
|
gcc/config/xtensa/xtensa.md | 15 ++++++++++++++-
|
|
2 files changed, 15 insertions(+), 1 deletion(-)
|
|
|
|
--- a/gcc/config/xtensa/xtensa.h
|
|
+++ b/gcc/config/xtensa/xtensa.h
|
|
@@ -67,6 +67,7 @@
|
|
#define TARGET_THREADPTR XCHAL_HAVE_THREADPTR
|
|
#define TARGET_LOOPS XCHAL_HAVE_LOOPS
|
|
#define TARGET_WINDOWED_ABI (XSHAL_ABI == XTHAL_ABI_WINDOWED)
|
|
+#define TARGET_DEBUG XCHAL_HAVE_DEBUG
|
|
|
|
#define TARGET_DEFAULT \
|
|
((XCHAL_HAVE_L32R ? 0 : MASK_CONST16) | \
|
|
--- a/gcc/config/xtensa/xtensa.md
|
|
+++ b/gcc/config/xtensa/xtensa.md
|
|
@@ -86,7 +86,7 @@
|
|
;; Attributes.
|
|
|
|
(define_attr "type"
|
|
- "unknown,jump,call,load,store,move,arith,multi,nop,farith,fmadd,fconv,fload,fstore,mul16,mul32,div32,mac16,rsr,wsr,entry"
|
|
+ "unknown,jump,call,load,store,move,arith,multi,nop,farith,fmadd,fconv,fload,fstore,mul16,mul32,div32,mac16,rsr,wsr,entry,trap"
|
|
(const_string "unknown"))
|
|
|
|
(define_attr "mode"
|
|
@@ -1764,6 +1764,19 @@
|
|
[(set_attr "length" "0")
|
|
(set_attr "type" "nop")])
|
|
|
|
+(define_insn "trap"
|
|
+ [(trap_if (const_int 1) (const_int 0))]
|
|
+ ""
|
|
+{
|
|
+ if (TARGET_DEBUG)
|
|
+ return "break\t1, 15";
|
|
+ else
|
|
+ return (TARGET_DENSITY ? "ill.n" : "ill");
|
|
+}
|
|
+ [(set_attr "type" "trap")
|
|
+ (set_attr "mode" "none")
|
|
+ (set_attr "length" "3")])
|
|
+
|
|
;; Setting up a frame pointer is tricky for Xtensa because GCC doesn't
|
|
;; know if a frame pointer is required until the reload pass, and
|
|
;; because there may be an incoming argument value in the hard frame
|