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authorAndreas Schwab <schwab@linux-m68k.org>2017-02-01 01:30:24 +0100
committerAndreas Schwab <schwab@linux-m68k.org>2017-02-01 01:32:31 +0100
commit64ae9fe45662c8994b0e56ab469b01967408a154 (patch)
treee14d8b9a083b53dd38ba1dea2fbc518fb290980f
parentefeca5dac690aafe7b921c6523eba86b9fbde9fe (diff)
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m68k: fix 64bit atomic ops
-rw-r--r--ChangeLog7
-rw-r--r--sysdeps/m68k/m680x0/m68020/atomic-machine.h14
2 files changed, 15 insertions, 6 deletions
diff --git a/ChangeLog b/ChangeLog
index e715d6f454..194c8c4fd2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2017-02-01 Andreas Schwab <schwab@linux-m68k.org>
+
+ * sysdeps/m68k/m680x0/m68020/atomic-machine.h
+ (__arch_compare_and_exchange_val_64_acq, atomic_exchange_acq)
+ (atomic_exchange_and_add, atomic_add): Add casts to 64 bit asm
+ operands.
+
2017-01-31 Chung-Lin Tang <cltang@codesourcery.com>
* sysdeps/unix/sysv/linux/nios2/ipc_priv.h: New file.
diff --git a/sysdeps/m68k/m680x0/m68020/atomic-machine.h b/sysdeps/m68k/m680x0/m68020/atomic-machine.h
index 5c37d86ce8..00dc22d79d 100644
--- a/sysdeps/m68k/m680x0/m68020/atomic-machine.h
+++ b/sysdeps/m68k/m680x0/m68020/atomic-machine.h
@@ -73,7 +73,7 @@ typedef uintmax_t uatomic_max_t;
__typeof (mem) __memp = (mem); \
__asm __volatile ("cas2%.l %0:%R0,%1:%R1,(%2):(%3)" \
: "=d" (__ret) \
- : "d" (newval), "r" (__memp), \
+ : "d" ((__typeof (*(mem))) (newval)), "r" (__memp), \
"r" ((char *) __memp + 4), "0" (oldval) \
: "memory"); \
__ret; })
@@ -101,8 +101,9 @@ typedef uintmax_t uatomic_max_t;
__asm __volatile ("1: cas2%.l %0:%R0,%1:%R1,(%2):(%3);" \
" jbne 1b" \
: "=d" (__result) \
- : "d" (newvalue), "r" (__memp), \
- "r" ((char *) __memp + 4), "0" (__result) \
+ : "d" ((__typeof (*(mem))) (newvalue)), \
+ "r" (__memp), "r" ((char *) __memp + 4), \
+ "0" (__result) \
: "memory"); \
} \
__result; })
@@ -144,7 +145,7 @@ typedef uintmax_t uatomic_max_t;
" cas2%.l %0:%R0,%1:%R1,(%3):(%4);" \
" jbne 1b" \
: "=d" (__result), "=&d" (__temp) \
- : "d" (value), "r" (__memp), \
+ : "d" ((__typeof (*(mem))) (value)), "r" (__memp), \
"r" ((char *) __memp + 4), "0" (__result) \
: "memory"); \
} \
@@ -175,8 +176,9 @@ typedef uintmax_t uatomic_max_t;
" cas2%.l %0:%R0,%1:%R1,(%3):(%4);" \
" jbne 1b" \
: "=d" (__oldval), "=&d" (__temp) \
- : "d" (value), "r" (__memp), \
- "r" ((char *) __memp + 4), "0" (__oldval) \
+ : "d" ((__typeof (*(mem))) (value)), \
+ "r" (__memp), "r" ((char *) __memp + 4), \
+ "0" (__oldval) \
: "memory"); \
} \
})