target-xtensa: add attributes to helper functions

Mark exception generating functions 'noreturn' and pure constant
functions as such.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

diff --git a/target-xtensa/helper.h b/target-xtensa/helper.h
index 48a741e46d62a2a310cc5d0352db5dab93f3b67f..9dd6f89b1e45d1b29f73c133ef4ec83c54f6d51c 100644 (file)
--- a/target-xtensa/helper.h
+++ b/target-xtensa/helper.h
@@ -1,12 +1,12 @@
 #include "def-helper.h"
 
-DEF_HELPER_1(exception, void, i32)
-DEF_HELPER_2(exception_cause, void, i32, i32)
-DEF_HELPER_3(exception_cause_vaddr, void, i32, i32, i32)
-DEF_HELPER_2(debug_exception, void, i32, i32)
+DEF_HELPER_1(exception, noreturn, i32)
+DEF_HELPER_2(exception_cause, noreturn, i32, i32)
+DEF_HELPER_3(exception_cause_vaddr, noreturn, i32, i32, i32)
+DEF_HELPER_2(debug_exception, noreturn, i32, i32)
 
-DEF_HELPER_1(nsa, i32, i32)
-DEF_HELPER_1(nsau, i32, i32)
+DEF_HELPER_FLAGS_1(nsa, TCG_CALL_CONST | TCG_CALL_PURE, i32, i32)
+DEF_HELPER_FLAGS_1(nsau, TCG_CALL_CONST | TCG_CALL_PURE, i32, i32)
 DEF_HELPER_1(wsr_windowbase, void, i32)
 DEF_HELPER_3(entry, void, i32, i32, i32)
 DEF_HELPER_1(retw, i32, i32)
@@ -25,8 +25,8 @@ DEF_HELPER_1(advance_ccount, void, i32)
 DEF_HELPER_1(check_interrupts, void, env)
 
 DEF_HELPER_1(wsr_rasid, void, i32)
-DEF_HELPER_2(rtlb0, i32, i32, i32)
-DEF_HELPER_2(rtlb1, i32, i32, i32)
+DEF_HELPER_FLAGS_2(rtlb0, TCG_CALL_CONST | TCG_CALL_PURE, i32, i32, i32)
+DEF_HELPER_FLAGS_2(rtlb1, TCG_CALL_CONST | TCG_CALL_PURE, i32, i32, i32)
 DEF_HELPER_2(itlb, void, i32, i32)
 DEF_HELPER_2(ptlb, i32, i32, i32)
 DEF_HELPER_3(wtlb, void, i32, i32, i32)