mirror of
https://sourceware.org/git/glibc.git
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Fix gUSA sequence in SH atomic functions in
sysdeps/unix/sysv/linux/sh/bits/atomic.h.
This commit is contained in:
Kaz Kojima
parent
0479b305c5
commit
d230f50a06
13
ChangeLog
13
ChangeLog
@ -1,3 +1,16 @@
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2012-06-22 Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
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Kaz Kojima <kkojima@rr.iij4u.or.jp>
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* sysdeps/unix/sysv/linux/sh/bits/atomic.h
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(__arch_compare_and_exchange_val_8_acq): Remove explicit nop.
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(__arch_compare_and_exchange_val_16_acq): Likewise.
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(__arch_compare_and_exchange_val_32_acq): Likewise.
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(atomic_exchange_and_add): Fix gUSA sequence.
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(atomic_add): Likewise.
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(atomic_add_negative): Likewise.
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(atomic_add_zero): Likewise.
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(atomic_bit_test_set): Likewise.
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2012-06-22 Andreas Schwab <schwab@redhat.com>
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[BZ #13579]
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@ -1,5 +1,5 @@
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/* Atomic operations used inside libc. Linux/SH version.
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Copyright (C) 2003, 2011 Free Software Foundation, Inc.
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Copyright (C) 2003-2012 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -73,11 +73,10 @@ typedef uintmax_t uatomic_max_t;
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#define __arch_compare_and_exchange_val_8_acq(mem, newval, oldval) \
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({ __typeof (*(mem)) __result; \
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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nop\n\
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.align 2\n\
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mov r15,r1\n\
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mov #-8,r15\n\
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mov #(0f-1f),r15\n\
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0: mov.b @%1,%0\n\
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cmp/eq %0,%3\n\
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bf 1f\n\
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@ -90,10 +89,10 @@ typedef uintmax_t uatomic_max_t;
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#define __arch_compare_and_exchange_val_16_acq(mem, newval, oldval) \
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({ __typeof (*(mem)) __result; \
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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nop\n\
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mov r15,r1\n\
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.align 2\n\
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mov #(0f-1f),r15\n\
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mov #-8,r15\n\
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0: mov.w @%1,%0\n\
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cmp/eq %0,%3\n\
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@ -107,11 +106,10 @@ typedef uintmax_t uatomic_max_t;
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#define __arch_compare_and_exchange_val_32_acq(mem, newval, oldval) \
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({ __typeof (*(mem)) __result; \
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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nop\n\
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.align 2\n\
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mov r15,r1\n\
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mov #-8,r15\n\
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mov #(0f-1f),r15\n\
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0: mov.l @%1,%0\n\
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cmp/eq %0,%3\n\
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bf 1f\n\
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@ -133,40 +131,43 @@ typedef uintmax_t uatomic_max_t;
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({ __typeof (*(mem)) __result, __tmp, __value = (value); \
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if (sizeof (*(mem)) == 1) \
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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.align 2\n\
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mov r15,r1\n\
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mov #-6,r15\n\
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mov #(0f-1f),r15\n\
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0: mov.b @%2,%0\n\
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add %0,%1\n\
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mov.b %1,@%2\n\
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mov %1,r2\n\
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add %0,r2\n\
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mov.b r2,@%2\n\
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1: mov r1,r15"\
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: "=&r" (__result), "=&r" (__tmp) : rNOSP (mem), "1" (__value) \
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: "r0", "r1", "memory"); \
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: "r0", "r1", "r2", "memory"); \
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else if (sizeof (*(mem)) == 2) \
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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.align 2\n\
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mov r15,r1\n\
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mov #-6,r15\n\
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mov #(0f-1f),r15\n\
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0: mov.w @%2,%0\n\
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add %0,%1\n\
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mov.w %1,@%2\n\
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mov %1,r2\n\
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add %0,r2\n\
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mov.w r2,@%2\n\
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1: mov r1,r15"\
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: "=&r" (__result), "=&r" (__tmp) : rNOSP (mem), "1" (__value) \
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: "r0", "r1", "memory"); \
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: "r0", "r1", "r2", "memory"); \
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else if (sizeof (*(mem)) == 4) \
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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.align 2\n\
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mov r15,r1\n\
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mov #-6,r15\n\
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mov #(0f-1f),r15\n\
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0: mov.l @%2,%0\n\
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add %0,%1\n\
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mov.l %1,@%2\n\
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mov %1,r2\n\
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add %0,r2\n\
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mov.l r2,@%2\n\
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1: mov r1,r15"\
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: "=&r" (__result), "=&r" (__tmp) : rNOSP (mem), "1" (__value) \
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: "r0", "r1", "memory"); \
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: "r0", "r1", "r2", "memory"); \
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else \
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{ \
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__typeof (mem) memp = (mem); \
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@ -182,37 +183,37 @@ typedef uintmax_t uatomic_max_t;
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(void) ({ __typeof (*(mem)) __tmp, __value = (value); \
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if (sizeof (*(mem)) == 1) \
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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mov r15,r1\n\
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mov #-6,r15\n\
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.align 2\n\
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mov #(0f-1f),r15\n\
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0: mov.b @%1,r2\n\
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add r2,%0\n\
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mov.b %0,@%1\n\
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add %0,r2\n\
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mov.b r2,@%1\n\
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1: mov r1,r15"\
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: "=&r" (__tmp) : rNOSP (mem), "0" (__value) \
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: "r0", "r1", "r2", "memory"); \
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else if (sizeof (*(mem)) == 2) \
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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mov r15,r1\n\
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mov #-6,r15\n\
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.align 2\n\
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mov #(0f-1f),r15\n\
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0: mov.w @%1,r2\n\
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add r2,%0\n\
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mov.w %0,@%1\n\
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add %0,r2\n\
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mov.w r2,@%1\n\
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1: mov r1,r15"\
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: "=&r" (__tmp) : rNOSP (mem), "0" (__value) \
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: "r0", "r1", "r2", "memory"); \
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else if (sizeof (*(mem)) == 4) \
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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mov r15,r1\n\
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mov #-6,r15\n\
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.align 2\n\
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mov #(0f-1f),r15\n\
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0: mov.l @%1,r2\n\
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add r2,%0\n\
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mov.l %0,@%1\n\
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add %0,r2\n\
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mov.l r2,@%1\n\
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1: mov r1,r15"\
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: "=&r" (__tmp) : rNOSP (mem), "0" (__value) \
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: "r0", "r1", "r2", "memory"); \
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@ -233,43 +234,43 @@ typedef uintmax_t uatomic_max_t;
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__typeof (*(mem)) __tmp, __value = (value); \
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if (sizeof (*(mem)) == 1) \
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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mov r15,r1\n\
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mov #-6,r15\n\
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.align 2\n\
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mov #(0f-1f),r15\n\
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0: mov.b @%2,r2\n\
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add r2,%1\n\
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mov.b %1,@%2\n\
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add %1,r2\n\
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mov.b r2,@%2\n\
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1: mov r1,r15\n\
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shal %1\n\
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shal r2\n\
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movt %0"\
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: "=r" (__result), "=&r" (__tmp) : rNOSP (mem), "1" (__value) \
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: "r0", "r1", "r2", "t", "memory"); \
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else if (sizeof (*(mem)) == 2) \
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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mov r15,r1\n\
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mov #-6,r15\n\
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.align 2\n\
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mov #(0f-1f),r15\n\
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0: mov.w @%2,r2\n\
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add r2,%1\n\
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mov.w %1,@%2\n\
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add %1,r2\n\
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mov.w r2,@%2\n\
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1: mov r1,r15\n\
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shal %1\n\
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shal r2\n\
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movt %0"\
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: "=r" (__result), "=&r" (__tmp) : rNOSP (mem), "1" (__value) \
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: "r0", "r1", "r2", "t", "memory"); \
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else if (sizeof (*(mem)) == 4) \
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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mov r15,r1\n\
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mov #-6,r15\n\
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.align 2\n\
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mov #(0f-1f),r15\n\
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0: mov.l @%2,r2\n\
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add r2,%1\n\
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mov.l %1,@%2\n\
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add %1,r2\n\
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mov.l r2,@%2\n\
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1: mov r1,r15\n\
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shal %1\n\
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shal r2\n\
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movt %0"\
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: "=r" (__result), "=&r" (__tmp) : rNOSP (mem), "1" (__value) \
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: "r0", "r1", "r2", "t", "memory"); \
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@ -282,43 +283,43 @@ typedef uintmax_t uatomic_max_t;
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__typeof (*(mem)) __tmp, __value = (value); \
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if (sizeof (*(mem)) == 1) \
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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mov r15,r1\n\
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mov #-6,r15\n\
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.align 2\n\
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mov #(0f-1f),r15\n\
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0: mov.b @%2,r2\n\
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add r2,%1\n\
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mov.b %1,@%2\n\
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add %1,r2\n\
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mov.b r2,@%2\n\
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1: mov r1,r15\n\
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tst %1,%1\n\
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tst r2,r2\n\
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movt %0"\
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: "=r" (__result), "=&r" (__tmp) : rNOSP (mem), "1" (__value) \
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: "r0", "r1", "r2", "t", "memory"); \
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else if (sizeof (*(mem)) == 2) \
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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mov r15,r1\n\
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mov #-6,r15\n\
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.align 2\n\
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mov #(0f-1f),r15\n\
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0: mov.w @%2,r2\n\
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add r2,%1\n\
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mov.w %1,@%2\n\
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add %1,r2\n\
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mov.w r2,@%2\n\
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1: mov r1,r15\n\
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tst %1,%1\n\
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tst r2,r2\n\
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movt %0"\
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: "=r" (__result), "=&r" (__tmp) : rNOSP (mem), "1" (__value) \
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: "r0", "r1", "r2", "t", "memory"); \
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else if (sizeof (*(mem)) == 4) \
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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mov r15,r1\n\
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mov #-6,r15\n\
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.align 2\n\
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mov #(0f-1f),r15\n\
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0: mov.l @%2,r2\n\
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add r2,%1\n\
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mov.l %1,@%2\n\
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add %1,r2\n\
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mov.l r2,@%2\n\
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1: mov r1,r15\n\
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tst %1,%1\n\
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tst r2,r2\n\
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movt %0"\
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: "=r" (__result), "=&r" (__tmp) : rNOSP (mem), "1" (__value) \
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: "r0", "r1", "r2", "t", "memory"); \
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@ -333,10 +334,10 @@ typedef uintmax_t uatomic_max_t;
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(void) ({ unsigned int __mask = 1 << (bit); \
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if (sizeof (*(mem)) == 1) \
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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mov r15,r1\n\
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mov #-6,r15\n\
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.align 2\n\
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mov #(0f-1f),r15\n\
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0: mov.b @%0,r2\n\
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or %1,r2\n\
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mov.b r2,@%0\n\
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@ -345,10 +346,10 @@ typedef uintmax_t uatomic_max_t;
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: "r0", "r1", "r2", "memory"); \
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else if (sizeof (*(mem)) == 2) \
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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mov r15,r1\n\
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mov #-6,r15\n\
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.align 2\n\
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mov #(0f-1f),r15\n\
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0: mov.w @%0,r2\n\
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or %1,r2\n\
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mov.w r2,@%0\n\
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@ -357,10 +358,10 @@ typedef uintmax_t uatomic_max_t;
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: "r0", "r1", "r2", "memory"); \
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else if (sizeof (*(mem)) == 4) \
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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mov r15,r1\n\
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mov #-6,r15\n\
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.align 2\n\
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mov #(0f-1f),r15\n\
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0: mov.l @%0,r2\n\
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or %1,r2\n\
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mov.l r2,@%0\n\
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@ -376,49 +377,49 @@ typedef uintmax_t uatomic_max_t;
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unsigned int __result = __mask; \
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if (sizeof (*(mem)) == 1) \
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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nop\n\
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.align 2\n\
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mov r15,r1\n\
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mov #-8,r15\n\
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mov #(0f-1f),r15\n\
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0: mov.b @%2,r2\n\
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or r2,%1\n\
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and r2,%0\n\
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mov.b %1,@%2\n\
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1: mov r1,r15"\
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mov r2,r3\n\
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or %1,r2\n\
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mov.b r2,@%2\n\
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1: mov r1,r15\n\
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and r3,%0"\
|
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: "=&r" (__result), "=&r" (__mask) \
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: rNOSP (mem), "0" (__result), "1" (__mask) \
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: "r0", "r1", "r2", "memory"); \
|
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: "r0", "r1", "r2", "r3", "memory"); \
|
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else if (sizeof (*(mem)) == 2) \
|
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__asm __volatile ("\
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.align 2\n\
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mova 1f,r0\n\
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nop\n\
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.align 2\n\
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mov r15,r1\n\
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mov #-8,r15\n\
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mov #(0f-1f),r15\n\
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0: mov.w @%2,r2\n\
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or r2,%1\n\
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and r2,%0\n\
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mov r2,r3\n\
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or %1,r2\n\
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mov.w %1,@%2\n\
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1: mov r1,r15"\
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1: mov r1,r15\n\
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and r3,%0"\
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: "=&r" (__result), "=&r" (__mask) \
|
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: rNOSP (mem), "0" (__result), "1" (__mask) \
|
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: "r0", "r1", "r2", "memory"); \
|
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: "r0", "r1", "r2", "r3", "memory"); \
|
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else if (sizeof (*(mem)) == 4) \
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__asm __volatile ("\
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.align 2\n\
|
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mova 1f,r0\n\
|
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nop\n\
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.align 2\n\
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mov r15,r1\n\
|
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mov #-8,r15\n\
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mov #(0f-1f),r15\n\
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0: mov.l @%2,r2\n\
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mov r2,r3\n\
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or r2,%1\n\
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and r2,%0\n\
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mov.l %1,@%2\n\
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1: mov r1,r15"\
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1: mov r1,r15\n\
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and r3,%0"\
|
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: "=&r" (__result), "=&r" (__mask) \
|
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: rNOSP (mem), "0" (__result), "1" (__mask) \
|
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: "r0", "r1", "r2", "memory"); \
|
||||
: "r0", "r1", "r2", "r3", "memory"); \
|
||||
else \
|
||||
abort (); \
|
||||
__result; })
|
||||
|
||||
Loading…
Reference in New Issue
Block a user