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Backport #5636 ยป backport-r33757-r33758.patch
| ruby_1_9_3/include/ruby/defines.h (working copy) | ||
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#endif
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#if defined(sparc) || defined(__sparc__)
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static inline void
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flush_register_windows(void)
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{
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asm
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#ifdef __GNUC__
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volatile
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#endif
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# if defined(__sparc_v9__) || defined(__sparcv9) || defined(__arch64__)
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("flushw")
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# else
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("ta 0x03")
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# endif /* trap always to flush register windows if we are on a Sparc system */
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;
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}
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# define FLUSH_REGISTER_WINDOWS flush_register_windows()
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void rb_sparc_flush_register_windows(void);
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# define FLUSH_REGISTER_WINDOWS rb_sparc_flush_register_windows()
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#elif defined(__ia64)
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void *rb_ia64_bsp(void);
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void rb_ia64_flushrs(void);
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| ruby_1_9_3/configure.in (working copy) | ||
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[CFLAGS="-mieee $CFLAGS"],
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[osf*], # ccc
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[CFLAGS="-ieee $CFLAGS"],
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)])
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)],
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[sparc*], [AC_LIBOBJ([sparc])])
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ac_cv_header_net_socket_h=${ac_cv_header_net_socket_h=no}
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if test "$ac_cv_header_net_socket_h" = yes; then
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| ruby_1_9_3/sparc.c (revision 0) | ||
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/********************************************************************
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Flush register windows on sparc.
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This function is in a separate file to prevent inlining. The "flushw"
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assembler instruction used on sparcv9 flushes all register windows
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except the current one, so if it is inlined, the current register
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window of the process executing the instruction will not be flushed
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correctly.
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See http://redmine.ruby-lang.org/issues/5244 for discussion.
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*********************************************************************/
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void rb_sparc_flush_register_windows(void)
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{
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asm
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#ifdef __GNUC__
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__volatile__
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#endif
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/* This condition should be in sync with one in configure.in */
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#if defined(__sparcv9) || defined(__sparc_v9__) || defined(__arch64__)
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# ifdef __GNUC__
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("flushw" : : : "%o7")
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# else
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("flushw")
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# endif /* __GNUC__ */
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#else
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("ta 0x03")
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#endif
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;
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}
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