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m68k: fix 64bit atomic ops

This commit is contained in:
Andreas Schwab 2017-02-01 01:30:24 +01:00
parent efeca5dac6
commit 64ae9fe456
2 changed files with 15 additions and 6 deletions
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7
ChangeLog
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@ -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.

14
sysdeps/m68k/m680x0/m68020/atomic-machine.h
View File

@ -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"); \
} \
})